Feng Tian

Journal Article Applied Soft Computing · January 1, 2025 In recent years, reinforcement learning has been used to improve differential evolution algorithms due to its outstanding performance in strategy selection. However, most existing improved algorithms treat the entire population as a single reinforcement le ... Full text Cite

Web3D-Based Lightweight Simulation for Mass Evacuation at Transportation Hubs

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2025 With urban populations soaring, subway systems have become vital arteries of transportation, necessitating robust safety measures. In light of this, the need for effective fire evacuation strategies in these complex infrastructures is both urgent and criti ... Full text Cite

Double Reference Guided Interactive 2D and 3D Caricature Generation

Journal Article ACM Transactions on Multimedia Computing, Communications and Applications · December 16, 2024 In this article, we propose the first geometry and texture (double) referenced interactive two-dimensional (2D) and 3D caricature generating and editing method. The main challenge of caricature generation lies in the fact that it not only exaggerates the f ... Full text Cite

Analytical C² Continuous Surface Blending

Journal Article Mathematics · October 1, 2024 Surface blending is an important topic in geometric modelling and is widely applied in computer-aided design and creative industries to create smooth transition surfaces. Among various surface blending methods, partial differential equation (PDE)-based sur ... Full text Cite

An adaptive population size based Differential Evolution by mining historical population similarity for path planning of unmanned aerial vehicles

Journal Article Information Sciences · May 1, 2024 Various variants have been proposed to improve the search ability and efficiency of Differential Evolution (DE). However, the variants ignore the impact caused by the use of accumulated historical information, resulting in unpromising performance of the se ... Full text Cite

Adaptive and robust fractional gain based interpolatory cubature Kalman filter

Journal Article Measurement and Control (United Kingdom) · April 1, 2024 In this study, we put forward the robust fractional gain based interpolatory cubature Kalman filter (FGBICKF) and the adaptive FGBICKF (AFGBICKF) for the development of the state estimators for stochastic nonlinear dynamics system. FGBICKF introduces a fra ... Full text Cite

G2L-CariGAN: Caricature Generation from Global Structure to Local Features

Conference Proceedings of the AAAI Conference on Artificial Intelligence · March 25, 2024 Existing GAN-based approaches to caricature generation mainly focus on exaggerating a character's global facial structure. This often leads to the failure in highlighting significant facial features such as big eyes and hook nose. To address this limitatio ... Full text Cite

A differential evolution with autonomous strategy selection and its application in remote sensing image denoising

Journal Article Expert Systems with Applications · March 15, 2024 Differential evolution (DE) is an efficient and effective global optimization algorithm, and many DE variants with adaptive strategy selection have been proposed. However, among the existing DE variants with adaptive strategy selection, only a few last gen ... Full text Cite

AG-YOLO: Attention-guided network for real-time object detection

Journal Article Multimedia Tools and Applications · March 1, 2024 Existing neural network models directly add attention mechanisms to the network as a plug-and-play component to capture long-range dependencies and reconstruct feature maps. However, most methods do not fully tap the potential of attention in dealing with ... Full text Cite

Fine-Grained Web3D Culling-Transmitting-Rendering Pipeline

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2024 Web3D has gradually become the mainstream online 3D technology to support Metaverse. However, massive multiplayer online Web3D still faces challenges such as slow culling of potentially visible set at servers, networking congestion and sluggish online rend ... Full text Cite

An adaptive biogeography-based optimization with integrated covariance matrix learning for robust visual object tracking

Journal Article Expert Systems with Applications · December 30, 2023 Biogeography-based optimization (BBO) has gained significant popularity as a population-based metaheuristic optimization algorithm. However, the existing variants of BBO encounter difficulties when tackling complex optimization problems with variable coupl ... Full text Cite

Adaptive Masreliez–Martin fractional interpolatory cubature Kalman filter with recursive noise estimation

Journal Article JVC/Journal of Vibration and Control · September 1, 2023 In this study, we propose a Masreliez–Martin fractional interpolatory cubature Kalman filter and an adaptive Masreliez–Martin fractional interpolatory cubature Kalman filter to design the estimators for fractional-order discrete-time nonlinear systems unde ... Full text Cite

Ventral-Dorsal Attention Capsule Network for facial expression recognition

Journal Article Digital Signal Processing: A Review Journal · May 1, 2023 Recent deep learning-based approaches on facial expression recognition face challenges on achieving optimal solution due to ineffective extraction of semantic expression features and difficulty in perceiving the positional relationship among facial express ... Full text Cite

Facial expression recognition based on strong attention mechanism and residual network

Journal Article Multimedia Tools and Applications · April 1, 2023 Most facial expression recognition (FER) algorithms are based on shallow features, and the deep networks tend to lose some key features in the expression, such as eyes, nose and mouth. To address the limitations, we present in this paper a novel approach, ... Full text Cite

Foreword to AniNex workshop 2022

Journal Article Computers and Graphics (Pergamon) · April 1, 2023 Full text Cite

Tight and fast generalization error bound of graph embedding in metric space

Conference Proceedings of Machine Learning Research · January 1, 2023 Recent studies have experimentally shown that we can achieve in non-Euclidean metric space effective and efficient graph embedding, which aims to obtain the vertices' representations reflecting the graph's structure in the metric space. Specifically, graph ... Cite

An adaptive biogeography-based optimization with cumulative covariance matrix for rule-based network intrusion detection

Journal Article Swarm and Evolutionary Computation · December 1, 2022 Biogeography-based optimization (BBO) is a well-known population-based metaheuristic optimization algorithm. The historical population distribution information is so underutilized that the global optimal value may not be searched efficiently in existing va ... Full text Cite

Adaptive Masreliez–Martin Fractional Embedded Cubature Kalman Filter

Journal Article Circuits, Systems, and Signal Processing · November 1, 2022 In this paper, two fractional embedded cubature Kalman filters are proposed. Based on Masreliez–Martin (M–M) method, the first filter named M–M fractional embedded cubature Kalman filter (MMFECKF) increases the robustness of estimation under the situations ... Full text Cite

Robust Fractional Embedded Cubature Kalman Filter for Fractional Nonlinear Stochastic System

Journal Article International Journal of Control, Automation and Systems · November 1, 2022 In this study, the fractional embedded cubature Kalman filter (FECKF) and robust fractional embedded cubature Kalman filter (RoFECKF) are proposed to design the estimate the states for fractional-order nonlinear discrete systems with Gaussian and non-Gauss ... Full text Cite

An adaptive differential evolution framework based on population feature information

Journal Article Information Sciences · August 1, 2022 Differential Evolution (DE) is an effective global optimization algorithm, and many existing adaptive variants of it have been proposed to solve engineering problems. It is well known that population feature information that refers to some mathematical sta ... Full text Cite

Infrared and low-light-level image registration based on neighborhood difference chain code

Journal Article Journal of Intelligent and Fuzzy Systems · May 8, 2022 The registration of the infrared (IR) image and the low-light-level (LLL) image remains a challenging problem due to poor dispersion of feature points, low correlation of structure and texture information. In this paper, we propose a method based on neighb ... Full text Cite

Differential Evolution with Autonomous Selection of Mutation Strategies and Control Parameters and Its Application

Journal Article Complexity · January 1, 2022 The existing numerous adaptive variants of differential evolution (DE) have been improved the search ability of classic DE to certain extent. Nevertheless, those variants of DE do not obtain the promising performance in solving black box problems with unkn ... Full text Cite

Lightweight Web3D Crowd Rendering for Online Massive Conferencing

Conference Proceedings - 2022 IEEE International Symposium on Mixed and Augmented Reality Adjunct, ISMAR-Adjunct 2022 · January 1, 2022 Massive virtual online conferences have been encountering technical challenges and limitations, such as huge data volume, slow network transmission and low rendering frame rate. To tackle these limitations, in this paper we propose a Lightweight Online Vir ... Full text Cite

An Improved SAC-IA Algorithm Based on Voxel Nearest Neighbor Search.

Journal Article Critical reviews in biomedical engineering · January 2022 To construct a three-dimensional (3D) model of a tooth, multiple charge coupled device (CCD) cameras should be deployed in practice. Each CCD camera captures part of the tooth from a different angle. The images captured by different cameras must be registe ... Full text Cite

Research on Compression Optimization Algorithm for Super-resolution Reconstruction Network

Conference 2022 9th International Forum on Electrical Engineering and Automation, IFEEA 2022 · January 1, 2022 Under the condition of limited resources of embedded systems, the paper proposes a compression optimization algorithm based on pruning and quantization, so that the computational requirements of the super-resolution reconstruction algorithm based on a Conv ... Full text Cite

An Enhanced Moth-Flame Optimization with Multiple Flame Guidance Mechanism for Parameter Extraction of Photovoltaic Models

Journal Article Mathematical Problems in Engineering · January 1, 2022 How to accurately and efficiently extract photovoltaic (PV) model parameters is the primary problem of photovoltaic system optimization. To accurately and efficiently extract the parameters of PV models, an enhanced moth-flame optimization (EMFO) with mult ... Full text Cite

An integrated neural network model for pupil detection and tracking

Journal Article Soft Computing · August 1, 2021 The accurate detection and tracking of pupil is important to many applications such as human–computer interaction, driver’s fatigue detection and diagnosis of brain diseases. Existing approaches however face challenges in handing low quality of pupil image ... Full text Cite

Iris recognition based on few-shot learning

Conference Computer Animation and Virtual Worlds · June 1, 2021 Iris recognition is a popular research field in the biometrics, and it plays an important role in automatic recognition. Given sufficient training data, some deep learning-based approaches have achieved good performance on iris recognition. However, when t ... Full text Cite

Skeleton-Based Parametric 2-D Region Representation: Disk B-Spline Curves.

Journal Article IEEE computer graphics and applications · May 2021 The skeleton, or medial axis, is an important attribute of 2-D shapes. The disk B-spline curve (DBSC) is a skeleton-based parametric freeform 2-D region representation, which is defined in the B-spline form. The DBSC describes not only a 2-D region, which ... Full text Cite

Colorization of fusion image of infrared and visible images based on parallel generative adversarial network approach

Journal Article Journal of Intelligent and Fuzzy Systems · January 1, 2021 Fusing the infrared (IR) and visible images has many advantages and can be applied to applications such as target detection and recognition. Colors can give more accurate and distinct features, but the low resolution and low contrast of fused images make t ... Full text Cite

Infrared and visible image fusion using two-layer generative adversarial network

Journal Article Journal of Intelligent and Fuzzy Systems · January 1, 2021 Infrared (IR) images can distinguish targets from their backgrounds based on difference in thermal radiation, whereas visible images can provide texture details with high spatial resolution. The fusion of the IR and visible images has many advantages and c ... Full text Cite

Influence of personality- ased features for dialogue generation in computational narratives

Conference Frontiers in Artificial Intelligence and Applications · August 24, 2020 In this paper, we present an approach for generating dialogues for characters within the context of computational narratives using personality-based features for deep neural networks. The approach integrates the requirements of both narrative genres and pe ... Full text Cite

Interaction design for paediatric emergency VR training

Journal Article Virtual Reality and Intelligent Hardware · August 1, 2020 Background: Virtual reality (VR) in healthcare training has increased adoption and support, but efforts are still required to mitigate usability concerns. Methods: This study conducted a usability study of an in-use emergency medicine VR training applicati ... Full text Cite

Affinity matrix with large eigenvalue gap for graph-based subspace clustering and semi-supervised classification

Journal Article Engineering Applications of Artificial Intelligence · August 1, 2020 In the graph-based learning method, the data graph or similarity matrix reveals the relationship between data, and reflects similar attributes within a class and differences between classes. Inspired by Davis–Kahan Theorem that the stability of matrix eige ... Full text Cite

Editorial

Journal Article Computer Animation and Virtual Worlds · July 1, 2020 Full text Cite

Facial expression animation through action units transfer in latent space

Conference Computer Animation and Virtual Worlds · July 1, 2020 Automatic animation synthesis has attracted much attention from the community. As most existing methods take a small number of discrete expressions rather than continuous expressions, their integrity and reality of the facial expressions is often compromis ... Full text Cite

Joint Facial Action Unit Intensity Prediction and Region Localisation

Conference Proceedings - IEEE International Conference on Multimedia and Expo · July 1, 2020 Facial Action Unit (AU) intensity prediction is essential to facial expression analysis and emotion recognition, and thus has attracted much attention from the community. In comparison, AU localization, albeit being important to emotion visualization and t ... Full text Cite

Preface

Book · January 1, 2020 Cite

C² Continuous Blending of Time-Dependent Parametric Surfaces

Journal Article Journal of Computing and Information Science in Engineering · December 1, 2019 Surface blending is widely applied in mechanical engineering. Creating a smooth transition surface of C2 continuity between time-dependent parametric surfaces that change their positions and shapes with time is an important and unsolved topic in surface bl ... Full text Cite

Pose-independent facial action units recognition with attention enhanced residual mapping

Conference Proceedings - 2019 International Conference on Virtual Reality and Visualization, ICVRV 2019 · November 1, 2019 Facial action units (AU) recognition is an essential issue of affective computing, which is important to modern human-computer interaction and virtual reality. Recent advances in deep learning have shown great achievements in facial action unit recognition ... Full text Cite

Highly efficient facial blendshape animation with analytical dynamic deformations

Journal Article Multimedia Tools and Applications · September 30, 2019 Adding physics to facial blendshape animation is an active research topic. Existing physics-based approaches of facial blendshape animation are numerical, so they require special knowledge and skills, additional preprocess, large computer capacity, and exp ... Full text Cite

NMF-Based Comprehensive Latent Factor Learning with Multiview da

Conference Proceedings - International Conference on Image Processing, ICIP · September 1, 2019 Multiview representations reveal the latent information of the data from different perspectives, consistency and complementarity. Unlike most multiview learning approaches, which focus only one perspective, in this paper, we propose a novel unsupervised mu ... Full text Cite

A level set method for image segmentation based on Bregman divergence and multi-scale local binary fitting

Journal Article Multimedia Tools and Applications · August 15, 2019 Image segmentation is an important processing in many applications such as image retrieval and computer vision. The level set method based on local information is one of the most successful models for image segmentation. However, in practice, these models ... Full text Cite

Huber- L1 -based non-isometric surface registration

Journal Article Visual Computer · June 1, 2019 Non-isometric surface registration is an important task in computer graphics and computer vision. It, however, remains challenging to deal with noise from scanned data and distortion from transformation. In this paper, we propose a Huber-L1-based non-isome ... Full text Cite

Sign correlation subspace for face alignment

Journal Article Soft Computing · January 24, 2019 Face alignment is an essential task for facial performance capture and expression analysis. Current methods such as random subspace supervised descent method, stage-wise relational dictionary and coarse-to-fine shape searching can ease multi-pose face alig ... Full text Cite

Attributed subspace clustering

Conference IJCAI International Joint Conference on Artificial Intelligence · January 1, 2019 Existing methods on representation-based subspace clustering mainly treat all features of data as a whole to learn a single self-representation and get one clustering solution. Real data however are often complex and consist of multiple attributes or sub-f ... Full text Cite

Avebury Portal – A Location-Based Augmented Reality Treasure Hunt for Archaeological Sites

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2019 Many archaeological sites are less popular by visits amongst the younger group and overall less popular than majority of other heritage sites. They are often not enhanced by supporting medium like in museums or historic buildings. Many augmented reality (A ... Full text Cite

Orderly subspace clustering

Conference 33rd AAAI Conference on Artificial Intelligence, AAAI 2019, 31st Innovative Applications of Artificial Intelligence Conference, IAAI 2019 and the 9th AAAI Symposium on Educational Advances in Artificial Intelligence, EAAI 2019 · January 1, 2019 Semi-supervised representation-based subspace clustering is to partition data into their underlying subspaces by finding effective data representations with partial supervisions. Essentially, an effective and accurate representation should be able to uncov ... Full text Cite

Hyperbolic Ordinal Embedding

Conference Proceedings of Machine Learning Research · January 1, 2019 Given ordinal relations such as the object i is more similar to j than k is to l, ordinal embedding is to embed these objects into a low-dimensional space with all ordinal constraints preserved. Although existing approaches have preserved ordinal relations ... Cite

Diverse Non-Negative Matrix Factorization for Multiview Data Representation.

Journal Article IEEE transactions on cybernetics · September 2018 Non-negative matrix factorization (NMF), a method for finding parts-based representation of non-negative data, has shown remarkable competitiveness in data analysis. Given that real-world datasets are often comprised of multiple features or views which des ... Full text Cite

Image segmentation based on multi-region multi-scale local binary fitting and Kullback–Leibler divergence

Journal Article Signal, Image and Video Processing · July 1, 2018 The inhomogeneity of intensity and the noise of image are the two major obstacles to accurate image segmentation by region-based level set models. To provide a more general solution to these challenges and address the difficulty of image segmentation metho ... Full text Cite

A unified approach to blending of constant and varying parametric surfaces with curvature continuity

Conference ACM International Conference Proceeding Series · June 11, 2018 In this paper, we develop a new approach to blending of constant and varying parametric surfaces with curvature continuity. We propose a new mathematical model consisting of a vector-valued sixth-order partial differential equation (PDE) and time-dependent ... Full text Cite

Ranking preserving nonnegative matrix factorization

Conference IJCAI International Joint Conference on Artificial Intelligence · January 1, 2018 Nonnegative matrix factorization (NMF), a well-known technique to find parts-based representations of nonnegative data, has been widely studied. In reality, ordinal relations often exist among data, such as data i is more related to j than to q. Such relat ... Full text Cite

Constrained Low-Rank Representation for Robust Subspace Clustering.

Journal Article IEEE transactions on cybernetics · December 2017 Subspace clustering aims to partition the data points drawn from a union of subspaces according to their underlying subspaces. For accurate semisupervised subspace clustering, all data that have a must-link constraint or the same label should be grouped in ... Full text Cite

Robust visual tracking based on L1 expanded template

Conference Proceedings of 2017 International Conference on Machine Learning and Cybernetics, ICMLC 2017 · November 14, 2017 Most video tracking algorithms including L1 tracker often fail to track correctly under adverse conditions such as object occlusion, disappearance, etc. To address this issue, we propose an improved L1 tracker algorithm called Tracker-2, based on what we c ... Full text Cite

An advanced level set method based on Bregman divergence for inhomogeneous image segmentation

Conference Proceedings of 2017 International Conference on Machine Learning and Cybernetics, ICMLC 2017 · November 14, 2017 Intensity inhomogeneity often occurs in real images. Local information based level set methods are comparatively effective in segmenting image with inhomogeneous intensity. However, in practice, these models suffer from local minima and high computational ... Full text Cite

Graph-regularized concept factorization for multi-view document clustering

Journal Article Journal of Visual Communication and Image Representation · October 1, 2017 We propose a novel multi-view document clustering method with the graph-regularized concept factorization (MVCF). MVCF makes full use of multi-view features for more comprehensive understanding of the data and learns weights for each view adaptively. It al ... Full text Cite

Perceptually inspired real-time artistic style transfer for video stream

Journal Article Journal of Real-Time Image Processing · September 1, 2017 This study presents a real-time texture transfer method for artistic style transfer for video stream. We propose a parallel framework using a T-shaped kernel to enhance the computational performance. With regard to accelerated motion estimation, which is n ... Full text Cite

Interactive illustration of collage for children with folktale e-book

Journal Article Journal of Visualization · August 1, 2017 Abstract: It is always challenging to teach children foreign languages, due to the difficulty of learning and their short attention span. To address the challenge and take advantage of the popularity of touchable tablets and smartphones, we propose an educ ... Full text Cite

Robust nonnegative matrix factorization with ordered structure constraints

Conference Proceedings of the International Joint Conference on Neural Networks · June 30, 2017 Nonnegative matrix factorization (NMF) as a popular technique to find parts-based representations of nonnegative data has been widely used in real-world applications. Often the data which these applications process, such as motion sequences and video clips ... Full text Cite

Active contour driven by multi-scale local binary fitting and Kullback-Leibler divergence for image segmentation

Journal Article Multimedia Tools and Applications · April 1, 2017 Image segmentation is an important processing in many applications such as image retrieval and computer vision. One of the most successful models for image segmentation is the level set methods which are based on local context. The methods, though comparat ... Full text Cite

Transition contour synthesis with dynamic patch transitions

Journal Article Computers in Entertainment · February 1, 2017 In this article, we present a novel approach formodulating the shape of transitions between terrain materials to produce detailed and varied contours where blend resolution is limited. Whereas texture splatting and blend mapping add detail to transitions a ... Full text Cite

Designing mobile friendly CAPTCHAs: An exploratory study

Conference HCI 2017: Digital Make Believe - Proceedings of the 31st International BCS Human Computer Interaction Conference, HCI 2017 · January 1, 2017 CAPTCHAs (Completely Automated Public Turing Test to Tell Computers and Humans Apart) are one of the most widely used authentication mechanisms that help to prevent online service abuse. With the advent of mobile computing, mobile devices such as smartphon ... Full text Cite

Representation of Intractable Objects and Action Sequences in VR Using Hand Gesture Recognition

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2017 We propose a novel approach on using static and dynamic gesture recognition in VR games to represent interactive objects in games, such as equipment system, weapons and handy-tools. We examine various applications of gesture recognition in games, learning, ... Full text Cite

A Collaborative Aesthetic-Driven Virtual Fitness Game

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2017 By introducing a collaborative aesthetic-driven virtual fitness game, we give a possible solution to guide and encourage people who have sedentary lifestyle to do regular physical activity with enough intensity, duration and frequency. This method bridges ... Full text Cite

Tenochtitlan - An Interactive Virtual Reality Environment that Encourages Museum Exhibit Engagement

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2017 With many cultural institutions experiencing declining visitor figures, a large number have begun introducing the use of engaging technologies to attract more visitors, the use of which seem especially appealing to the younger generations. Due to the stead ... Full text Cite

Multi-component nonnegative matrix factorization

Conference IJCAI International Joint Conference on Artificial Intelligence · January 1, 2017 Real data are usually complex and contain various components. For example, face images have expressions and genders. Each component mainly reflects one aspect of data and provides information others do not have. Therefore, exploring the semantic informatio ... Full text Cite

Preface

Book · January 1, 2017 Cite

Critical analysis of vendor lock-in and its impact on cloud computing migration: a business perspective

Journal Article Journal of Cloud Computing · December 1, 2016 Vendor lock-in is a major barrier to the adoption of cloud computing, due to the lack of standardization. Current solutions and efforts tackling the vendor lock-in problem are predominantly technology-oriented. Limited studies exist to analyse and highligh ... Full text Cite

Foreword to the Special Section on the International Conference on E-Learning and Games 2016 (Edutainment ’16)

Journal Article Computers and Graphics (Pergamon) · December 1, 2016 Full text Cite

A Pleasurable Persuasive Model for E-Fitness System

Conference Proceedings - 2016 International Conference on Cyberworlds, CW 2016 · November 23, 2016 The regular physical activity with enough amounts of intensity, duration and frequency plays a key role in our health and body shape. However, for sedentary individuals who have negative or even painful feeling on exercise, it is a challenge to maintain en ... Full text Cite

Accessing mobile apps with user defined gesture shortcuts: An exploratory study

Conference Proceedings of the 2016 ACM International Conference on Interactive Surfaces and Spaces: Nature Meets Interactive Surfaces, ISS 2016 · November 6, 2016 Smart phones have become the hub of people lives due to the overwhelming number and extensive range of apps available in app stores that are available to support their daily tasks. On average, smart phone users have around 100 apps installed on their devic ... Full text Cite

Tourists as Mobile Gamers: Gamification for Tourism Marketing

Journal Article Journal of Travel and Tourism Marketing · October 12, 2016 ABSTRACT: Gaming as a cutting-edge concept has recently been used by some innovative tourism sectors as a marketing tool and as a method of deeper engagement with visitors. This research aims to explore the gamification trend and its potential for experien ... Full text Cite

Novel correspondence-based approach for consistent human skeleton extraction

Journal Article Multimedia Tools and Applications · October 1, 2016 This paper presents a novel base-points-driven shape correspondence (BSC) approach to extract skeletons of articulated objects from 3D mesh shapes. The skeleton extraction based on BSC approach is more accurate than the traditional direct skeleton extracti ... Full text Cite

Ubiquitous gaming interaction design workshop

Conference Proceedings of the 30th International BCS Human Computer Interaction Conference, HCI 2016 · January 1, 2016 Digital games are ingrained in the 21st centenary culture and lifestyle. Driven by some of the most advanced digital technologies, the increasing affordability of high quality game content on multiple personal devices means that it is more feasible to gene ... Full text Cite

Code lab – A game that teaches high level programming languages

Conference Proceedings of the 30th International BCS Human Computer Interaction Conference, HCI 2016 · January 1, 2016 With a sharp rise in the adoption of technology throughout the younger generation there is a sudden need for more technologically focused teaching methods in the educational sector. Many applications and websites offer games to students in order to decreas ... Full text Cite

Adaptive multi-view semi-supervised nonnegative matrix factorization

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2016 Multi-view clustering, which explores complementary information between multiple distinct feature sets, has received considerable attention. For accurate clustering, all data with the same label should be clustered together regardless of their multiple vie ... Full text Cite

Educational folktale e-book with collage illustratable tool

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2016 It is always challenging to teach children foreign languages, due to the difficulty of learning and their short attention span. To address the challenge and take advantage of the popularity of touchable tablets and smartphones, we propose an educational fo ... Full text Cite

Implications of integration and interoperability for enterprise cloud-based applications

Conference Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST · January 1, 2016 Enterprise’s adoption of cloud-based solutions is often hindered by problems associated with the integration of the cloud environment with onpremise systems. Currently, each cloud provider creates its proprietary application programming interfaces (APIs), ... Full text Cite

Preface

Book · January 1, 2016 Cite

Robust semi-supervised nonnegative matrix factorization

Conference Proceedings of the International Joint Conference on Neural Networks · September 28, 2015 Nonnegative matrix factorization (NMF), which aims at finding parts-based representations of nonnegative data, has been widely applied to a range of applications such as data clustering, pattern recognition and computer vision. Real-world data are often sp ... Full text Cite

Critical review of vendor lock-in and its impact on adoption of cloud computing

Conference International Conference on Information Society, i-Society 2014 · January 13, 2015 Cloud computing offers an innovative business model for organizations to adopt IT services at a reduced cost with increased reliability and scalability. However organizations are slow in adopting the cloud model due to the prevalent vendor lock-in issue an ... Full text Cite

An advanced total variation model in H-1 space for image inpainting

Conference Proceedings of SPIE - The International Society for Optical Engineering · January 1, 2015 Image inpainting is to restore a damaged image with missing information - a fundamental problem and a hot research area in image processing. Many approaches, both geometry oriented and texture oriented, have been proposed on inpainting such as total variat ... Full text Cite

A Business Analysis of Cloud Computing: Data Security and Contract Lock-In Issues

Conference Proceedings - 2015 10th International Conference on P2P, Parallel, Grid, Cloud and Internet Computing, 3PGCIC 2015 · January 1, 2015 The widespread adoption of cloud computing services has a wide range of sourcing issues that companies must take into consideration when they standardize and automate their IT service delivery. In this respect, our paper identifies risks and opportunities ... Full text Cite

Heart-creates-worlds: An aesthetic driven fitness training system

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2015 We present a novel fitness training system called Heart- Creates-Worlds (HCW) as a practical while pervasive solution to encourage effective daily physical activity. In this system, the aesthetic audiovisual effects of a virtual world are tightly associate ... Full text Cite

Stroke-based stylization learning and rendering with inverse reinforcement learning

Conference IJCAI International Joint Conference on Artificial Intelligence · January 1, 2015 Among various traditional art forms, brush stroke drawing is one of the widely used styles in modern computer graphic tools such as GIMP, Photoshop and Painter. In this paper, we develop an AI-aided art authoring (A4) system of non-photorealistic rendering ... Cite

Aesthetic-driven interaction: A pleasurable persuasive technology for health behavior change

Conference SIGGRAPH Asia 2014 Posters, SIGGRAPH ASIA 2014 · November 24, 2014 Full text Cite

An analysis of performance in a hierarchical structured vehicular Ad Hoc network

Journal Article International Journal of Distributed Sensor Networks · January 1, 2014 With the rapid development of vehicle technology and wireless communication technology, a vehicular ad hoc network (VANET) has come into sight as a vehicular application of the well-known mobile ad hoc networks (MANETs). In this paper, we consider the perf ... Full text Cite

Marketing tourism via electronic games: Understanding the motivation of tourist players

Conference 2013 5th International Conference on Games and Virtual Worlds for Serious Applications, VS-GAMES 2013 · December 9, 2013 Marketing tourism via games is a new phenomenon. This research uses a qualitative method to explore the motivation of tourist players. Through content analysis of the focus group results, it identifies five reasons to play a tourism game on holiday, namely ... Full text Cite

A novel gesture-based CAPTCHA design for smart devices

Conference HCI 2013 - 27th International British Computer Society Human Computer Interaction Conference: The Internet of Things · January 1, 2013 CAPTCHAs have been widely used in Web applications to prevent service abuse. With the evolution of computing environment from desktop computing to ubiquitous computing, more and more users are accessing Web applications on smart devices where touch based i ... Full text Cite

Painterly rendering techniques: A state-of-the-art review of current approaches

Journal Article Computer Animation and Virtual Worlds · January 1, 2013 In this publication we will look at the different methods presented over the past few decades which attempt to recreate digital paintings. While previous surveys concentrate on the broader subject of non-photorealistic rendering, the focus of this paper is ... Full text Cite

Augmented reality technology overview for tourism app development

Conference Proceedings - International Conference on Machine Learning and Cybernetics · January 1, 2013 With massive penetration of mobile phones the tourism industry is adopting augmented technology (AR) and apps supported by smartphones to create and provide a memorable and exciting experience to tourists with fun, interaction and learning. In this paper w ... Full text Cite

Feature-based probabilistic texture blending with feature variations for terrains

Conference Computer Animation and Virtual Worlds · May 1, 2012 The use of linear interpolation to blend different terrain types with distinct features produces translucency artefacts that can detract from the realism of the scene. The approach presented in this paper addresses the feature agnosticism of linear blendin ... Full text Cite

Reducing location map in prediction-based difference expansion for reversible image data embedding

Journal Article Signal Processing · March 1, 2012 In this paper, we present a reversible data embedding scheme based on an adaptive edge-directed prediction for images. It is known that the difference expansion is an efficient data embedding method. Since the expansion on a large difference will cause a s ... Full text Cite

Feature-based probability blending

Conference ACM SIGGRAPH ASIA 2010 Posters, SA'10 · December 1, 2010 Texture splatting is a terrain texturing technique that has been used in computer games for the last decade [Bloom 2000]. Although its low footprint and GPU-friendliness makes it an attractive candidate for outdoor environments, the use of linear interpola ... Full text Cite

Crowd modeling and simulation technologies

Journal Article ACM Transactions on Modeling and Computer Simulation · October 1, 2010 As a collective and highly dynamic social group, the human crowd is a fascinating phenomenon that has been frequently studied by experts from various areas. Recently, computer-based modeling and simulation technologies have emerged to support investigation ... Full text Cite

A framework of evaluating partitioning mechanisms for agent-based simulation systems

Conference 42nd Annual Simulation Symposium 2009, ANSS 2009, Part of the 2009 Spring Simulation Multiconference · December 1, 2009 For an agent-based system that aims to simulate a large number of agents under different scenarios, a proper partitioning mechanism is an essential factor to the performance of the system. However, there is still an issue on selecting/ developing an approp ... Cite

Interactive shadowing for 2D anime

Conference Computer Animation and Virtual Worlds · June 1, 2009 In this paper, we propose an instant shadow generation technique for 2D animation, especially Japanese Anime. In traditional 2D Anime production, the entire animation including shadows is drawn by hand so that it takes long time to complete. Shadows play a ... Full text Cite

Sketch-up in the virtual world

Conference Proceedings of the 2008 International Conference on Cyberworlds, CW 2008 · December 1, 2008 This paper proposes a bidirectional modeling approach. It aims to assist online collaboration on 2D to 3D modeling. Two "worlds" of modeling are proposed in our pipeline. A free-form 3D model can be generated in the "Creation World" (CW). Then models are t ... Full text Cite

Style learning with feature-based texture synthesis

Journal Article Computers in Entertainment · December 1, 2008 The objective of artistic style learning is to synthesize a new image from a source image with the style learnt from example images. Existing example-based texture synthesis (EBTS) techniques model style with low-level statistical properties. These methods ... Full text Cite

CONEA: CONsumer editable animation

Conference 2008 5th IEEE Consumer Communications and Networking Conference, CCNC 2008 · September 23, 2008 Animation created using computer graphics is seen through a viewport which is dictated by what the director or producer wants the consumer to watch. This includes the usual cinematography to bring out the best dramatical effects. Consumers, however, do not ... Full text Cite

Skinning on progressive decimated models

Conference 2008 5th IEEE Consumer Communications and Networking Conference, CCNC 2008 · September 23, 2008 Skinning existing animation frames or examples is exploited actively to find the most suitable scheme that is capable of capturing deformations from given mesh sequences. It is necessary to approximate joint transformations by a fitting algorithm that usua ... Full text Cite

Agent-based human behavior modeling for crowd simulation

Conference Computer Animation and Virtual Worlds · August 1, 2008 Human crowd is a fascinating social phenomenon in nature. This paper presents our work on designing behavior model for virtual humans in a crowd simulation under normal-life and emergency situations. Our model adopts an agent-based approach and employs a l ... Full text Cite

Style-learning with feature-based texture synthesis

Journal Article Computers in Entertainment · July 1, 2008 The objective of artistic style learning is to synthesize a new image from a source image with the style learnt from example images. Existing example-based texture synthesis (EBTS) techniques model style with low-level statistical properties. These methods ... Full text Cite

Method for modeling plant root morphology based on ball splines skeleton

Journal Article Journal of Information and Computational Science · March 1, 2008 Plant growth modeling is very important in plant nutrition study. Based on the reconstructed 3D images of plant roots, the skeleton points and their radii are extracted by the Mini-crossing Section Algorithm (MCSA). Then the Many-knot Spline method is appl ... Cite

Feature Guided Texture Synthesis(FGTS) for artistic style transfer

Conference ACM International Conference Proceeding Series · December 1, 2007 Artistic images and paintings can be regarded as a composition of content and style. The aim of artistic style transfer is to synthesize a stylized image with content of source image but novel style from style example. Based on texture synthesis, a novel F ... Full text Cite

An effective illustrative visualization framework based on photic extremum lines (PELs).

Journal Article IEEE transactions on visualization and computer graphics · November 2007 Conveying shape using feature lines is an important visualization tool in visual computing. The existing feature lines (e.g., ridges, valleys, silhouettes, suggestive contours, etc.) are solely determined by local geometry properties (e.g., normals and cur ... Full text Cite

Plant modeling and its application in digital agriculture museum

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2007 This paper presents a 3D plant morpha modeling method based on projection image, and analyzes the influence calibration error on the precision of reconstruction. Mini-section algorithm and Ball B-spline are used to extract the skeleton of the reconstructed ... Full text Cite

DBSC-based animation enhanced with feature and motion

Journal Article Computer Animation and Virtual Worlds · July 1, 2006 Disk B-spline curve (DBSC) is previously proposed for drawing and animation. To generate inbetweens, linear interpolation is applied between points evenly taken in parametric domain of two DBSCs without incorporating characteristics of shape or motion, whi ... Full text Cite

DBSC-based grayscale line image vectorization

Conference Journal of Computer Science and Technology · March 1, 2006 Vector graphics plays an important role in computer animation and imaging technologies. However present techniques and tools cannot fully replace traditional pencil and paper. Additionally, vector representation of an image is not always available. There i ... Full text Cite

Artistic brushstroke representation and animation with disk B-spline curve

Conference ACM International Conference Proceeding Series · December 1, 2005 A novel modeling and representation approach for brushstroke and animation is proposed in this paper based on disk B-spline curve (DBSC). This method represents not only the 2D region of the stroke but also its centerline so that various attributes like sc ... Full text Cite

Interactive free-hand drawing and in-between generation with DBSC

Conference ACM International Conference Proceeding Series · December 1, 2005 Based on our novel shape and stroke model, Disk B-spline Curve (DBSC), this demo provides user an interactive free-hand drawing system. With a digital tablet the user may draw directly onto the computer a picture whose strokes are then represented by DBSC ... Full text Cite

Enhancement of aligning accuracy on zooming camera for augmented reality

Conference ACM International Conference Proceeding Series · December 1, 2005 This paper addresses the problem of the zooming effect of camera on focal length estimation for augmented reality applications. Our proposed method allows us to merge virtual objects properly into a real scene captured with varying focal length. Virtual ob ... Full text Cite

View synthesis from Infrared-visual fused 3D model for face recognition

Conference 2005 Fifth International Conference on Information, Communications and Signal Processing · December 1, 2005 Recently, there has been an increasing interest in infrared (IR) face recognition. However, few works are reported on the face pose problem in IR images. Existing methods have to capture tens of images of each subject at various poses, resulting in a huge ... Cite

Feature- and region-based auto painting for 2D animation

Journal Article Visual Computer · October 1, 2005 This paper presents a novel approach to automating the entire coloring process in traditional cel animation production. A feature-based region-matching algorithm is proposed. It first matches a set of master frames to construct correspondences between regi ... Full text Cite

Enhanced auto coloring with hierarchical region matching

Conference Computer Animation and Virtual Worlds · July 1, 2005 This paper proposes a Hierarchical Region Matching (HRM) approach for computer-assisted auto coloring. The region-level analysis in traditional 2D animation is expanded into several component levels with a novel hierarchization method. With the hierarchy, ... Full text Cite

More optimal strokes for NPR sketching

Conference Proceedings - GRAPHITE 2005 - 3rd International Conference on Computer Graphics and Interactive Techniques in Australasia and Southeast Asia · January 1, 2005 Sketching is a drawing style where approximations and successive refinement in the drawing process are evident. The approximation of contours in sketching involves multiple overlapping strokes that are relatively long in regions of low curvature and shorte ... Full text Cite

Initial value specification in motion estimation for keyframe animation

Conference Proceedings of the Seventh IASTED International Conference on Computer Graphics and Imaging · December 27, 2004 Our research focuses on computer-generated inbetweening, which aims to reduce the workload of manual drawing in traditional cartoon production. Our previous method, Modified Feature-Based Matching Algorithm, MFBA, estimates the motion of the pixels in the ... Cite

Topology enhanced feature-based auto coloring for computer-assisted cel animation

Conference Proceedings of the Seventh IASTED International Conference on Computer Graphics and Imaging · December 27, 2004 Computer-Assisted Auto Coloring (CAAC) has great potential in terms of lowering production cost and saving time in eel animation production. This paper presents our approach in auto coloring the frames in a sequence in traditional eel animation. First our ... Cite

Perceptual-based fusion of IR and visual images for human detection

Conference 2004 International Symposium on Intelligent Multimedia, Video and Speech Processing, ISIMP 2004 · December 1, 2004 With the cost decline of Infrared (IR) cameras, it is envisaged that more IR cameras will be deployed in vision surveillance system for around-clock day and night surveillance. Infrared cameras sense radiation emitted by an object at a non-zero absolute te ... Cite

Frame skeleton based auto-inbetweening in computer assisted cel animation

Conference Proceedings - 2004 International Conference on Cyberworlds, CW 2004 · December 1, 2004 Automatic inbetweening is one of the main focuses in computer assisted cel animation as inbetweening process is traditionally time-consuming and labor-intensive in the production of cartoon animation. Most previous work demand either lots of modeling or wo ... Full text Cite

Computer-assisted cel animation: Post-processing after inbetweening

Conference Proceedings of the 1st International Conference on Computer Graphics and Interactive Techniques in Australasia and South East Asia, GRAPHITE '03 · December 1, 2003 Although 2D animation production today has become more efficient with the help of improved computer technology, it is still very labor intensive. The less creative inking/painting and inbetweening processes take a significant portion of the total work. Our ... Full text Cite

Computer-assisted coloring by matching line drawings

Journal Article Visual Computer · January 1, 2000 An approach to automatically color line drawings based on feature matching is proposed. The motivation is that coloring 2D animation is still a labor-intensive process in current cartoon film production. The objective of our work is to investigate how to a ... Full text Cite

3-D measuring system based on spatial coordinate transformation

Journal Article Guangxue Xuebao/Acta Optica Sinica · December 1, 1998 Many kinds of 3-D profilometry share the drawbacks of not having enough measuring range (especially for the testing of a big object) and of existing shadow problems. A new approach is proposed, which can fit the measurement of big objects and small ones wi ... Cite

Three-dimensional profilometry using a single mode optical fiber phase-shifting method

Journal Article Zhongguo Jiguang/Chinese Journal of Lasers · January 1, 1998 A novel three-dimensional profilometric measurement system based on a computer aided image processing technique is presented. This system consists of a single mode optical fiber coupler with phase shifting as the grating projector. A piezoelectric (PZT) cy ... Cite

Iterative phase demodulation of sinusoidal carrier-fringes pattern

Conference Proceedings of SPIE - The International Society for Optical Engineering · December 1, 1997 Digital approaches for determination of fringe order and principal stress direction in photoelastic coatings are presented. The relationships between the intensity values and the fringe orders of two wavelengths, and relevant theory and explicit conditions ... Cite

3-D surface profilometry using optic fiber phase-shifting DMDP method

Conference Proceedings of SPIE - The International Society for Optical Engineering · December 1, 1997 An interferometric fiber optic sensor is used to monitor the vibration of a bar under tension. An analytical formula is derived to relate the density, Young modulus and the physical dimensions of the bar to its frequency of vibration, which is measured thr ... Cite

Research on the laser photoelectronic 3-dimensional displacements measurement system

Journal Article Chinese Journal of Lasers B (English Edition) · August 1, 1997 New and simple methods for measuring 3-D line and angle displacements of rigid body are proposed. Laser diodes (LD) and CMOS image sensors (CIS) are used as light sources and photodetectors, respectively. The experimental results show that the new methods ... Cite

Novel profilometry based grating projection composite

Journal Article Guangdianzi Jiguang/Journal of Optoelectronics Laser · February 1, 1997 A novel technology for measuring three-dimensional (3-D) profile is proposed. Traditional method of grating projecting exist the problems such as shades and limit of size of objects. The technique can effectively solve the preceding drawbacks by composite ... Cite

Three-dimensional rigid body line displacement and 3D rigid body angle displacement measurements

Journal Article Proceedings of SPIE - The International Society for Optical Engineering · December 1, 1996 Two new and simple methods for measuring the 3D rigid body line displacements and 3D rigid body angle displacements are proposed. And at the same time, two laser diodes and two new CMOS image sensors are used as light sources and photodetectors, respective ... Cite

Novel profilometry with projecting grating

Journal Article Guangxue Xuebao/Acta Optica Sinica · October 1, 1996 A novel optical whole-field profilometry was presented. In the optical whole-field profilometry, a new kind of moire fringe projector controlled by computer was used for changing the spatial frequency to adapt the contour of the object to be measured. Besi ... Cite

Novel measurement method for measuring 3-D contour

Journal Article Guangdianzi Jiguang/Journal of Optoelectronics Laser · June 1, 1996 When a straight-line grating with sinusoidal intensity distribution is projected on an object, the surface height distribution is translated into a phase distribution of the deformed grating. A novel, simple and effective method was put forward to demodula ... Cite