ConferenceProgress in Biomedical Optics and Imaging - Proceedings of SPIE · January 1, 2023
Deep learning methods have performed superiorly to segment organs of interest from Computed Tomography images than traditional methods. However, the trained models do not generalize well at the inference phase, and manual validation and correction are not ...
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Journal ArticleBMC Med Inform Decis Mak · April 15, 2022
BACKGROUND: There is progress to be made in building artificially intelligent systems to detect abnormalities that are not only accurate but can handle the true breadth of findings that radiologists encounter in body (chest, abdomen, and pelvis) computed t ...
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Journal ArticleRadiol Artif Intell · January 2022
PURPOSE: To design multidisease classifiers for body CT scans for three different organ systems using automatically extracted labels from radiology text reports. MATERIALS AND METHODS: This retrospective study included a total of 12 092 patients (mean age, ...
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ConferenceProgress in Biomedical Optics and Imaging - Proceedings of SPIE · January 1, 2022
Organ segmentation of medical images is a key step in virtual imaging trials. However, organ segmentation datasets are limited in in terms of quality (because labels cover only a few organs) and quantity (since case numbers are limited). In this study, we ...
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ConferenceProgress in Biomedical Optics and Imaging - Proceedings of SPIE · January 1, 2022
Many published studies use deep learning models to predict COVID-19 from chest x-ray (CXR) images, often reporting high performances. However, the models do not generalize well on independent external testing. Common limitations include the lack of medical ...
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ConferenceProgress in Biomedical Optics and Imaging - Proceedings of SPIE · January 1, 2022
Research studies of artificial intelligence models in medical imaging have been hampered by poor generalization. This problem has been especially concerning over the last year with numerous applications of deep learning for COVID-19 diagnosis. Virtual imag ...
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ConferenceProgress in Biomedical Optics and Imaging - Proceedings of SPIE · January 1, 2022
Despite the potential of weakly supervised learning to automatically annotate massive amounts of data, little is known about its limitations for use in computer-aided diagnosis (CAD). For CT specifically, interpreting the performance of CAD algorithms can ...
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Journal Article · February 4, 2021
Purpose: To develop high throughput multi-label annotators for body (chest,
abdomen, and pelvis) Computed Tomography (CT) reports that can be applied
across a variety of abnormalities, organs, and disease states.
Approach: We used a dictionary approach t ...
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Journal ArticleComputers in biology and medicine · May 2020
Background and objectiveAutomatic segmentation of skin lesions is considered a crucial step in Computer-aided Diagnosis (CAD) systems for melanoma detection. Despite its significance, skin lesion segmentation remains an unsolved challenge due to t ...
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ConferenceProgress in Biomedical Optics and Imaging - Proceedings of SPIE · January 1, 2020
Weakly supervised disease classification of CT imaging suffers from poor localization owing to case-level annotations, where even a positive scan can hold hundreds to thousands of negative slices along multiple planes. Furthermore, although deep learning s ...
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ConferenceProgress in Biomedical Optics and Imaging - Proceedings of SPIE · January 1, 2020
Lack of annotated data is a major challenge to machine learning algorithms, particularly in the field of radiology. Algorithms that can efficiently extract labels in a fast and precise manner are in high demand. Weak supervision is a compromise solution, p ...
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Conference2019 Joint 8th International Conference on Informatics, Electronics & Vision (ICIEV) and 2019 3rd International Conference on Imaging, Vision & Pattern Recognition (icIVPR) · May 2019Full textCite
ConferenceProgress in Biomedical Optics and Imaging - Proceedings of SPIE · January 1, 2019
Our goal is to investigate using only case-level labels extracted automatically from radiology reports to construct a multi-disease classifier for CT scans with deep learning method. We chose four lung diseases as a start: atelectasis, pulmonary edema, nod ...
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