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Existing vision-text contrastive learning like CLIP aims to match the paired image and caption embeddings while pushing others apart, which improves representation transferability and supports zero-shot prediction. However, medical…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Zifeng Wang , Zhenbang Wu , Dinesh Agarwal , Jimeng Sun

White Light Imaging (WLI) and Narrow Band Imaging (NBI) are the two main colonoscopic modalities for polyp classification. While NBI, as optical chromoendoscopy, offers valuable vascular details, WLI remains the most common and often the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Qiang Hu , Qimei Wang , Jia Chen , Xuantao Ji , Mei Liu , Qiang Li , Zhiwei Wang

Accurate diagnosis of ocular surface diseases is critical in optometry and ophthalmology, which hinge on integrating clinical data sources (e.g., meibography imaging and clinical metadata). Traditional human assessments lack precision in…

Computation and Language · Computer Science 2024-10-02 Chun-Hsiao Yeh , Jiayun Wang , Andrew D. Graham , Andrea J. Liu , Bo Tan , Yubei Chen , Yi Ma , Meng C. Lin

Multi-instance learning (MIL) is widely used in the computer-aided interpretation of pathological Whole Slide Images (WSIs) to solve the lack of pixel-wise or patch-wise annotations. Often, this approach directly applies "natural image…

Endoscopic image analysis is vital for colorectal cancer screening, yet real-world conditions often suffer from lens fogging, motion blur, and specular highlights, which severely compromise automated polyp detection. We propose EndoCaver, a…

Image and Video Processing · Electrical Eng. & Systems 2026-05-19 Zhuoyu Wu , Wenhui Ou , Pei-Sze Tan , Jiayan Yang , Wenqi Fang , Zheng Wang , Raphaël C. -W. Phan

Computerized detection of colonic polyps remains an unsolved issue because of the wide variation in the appearance, texture, color, size, and presence of the multiple polyp-like imitators during colonoscopy. In this paper, we propose a deep…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Tariq Rahim , Syed Ali Hassan , Soo Young Shin

Effective and rapid detection of lesions in the Gastrointestinal tract is critical to gastroenterologist's response to some life-threatening diseases. Wireless Capsule Endoscopy (WCE) has revolutionized traditional endoscopy procedure by…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Sodiq Adewole , Philip Fernandez , Michelle Yeghyayan , James Jablonski , Andrew Copland , Michael Porter , Sana Syed , Donald Brown

Ulcerative colitis (UC) is a chronic mucosal inflammatory condition that places patients at increased risk of colorectal cancer. Colonoscopic surveillance remains the gold standard for assessing disease activity, and reporting typically…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Noha Ghatwary , Jiangbei Yue , Ahmed Elgendy , Hanna Nagdy , Ahmed Galal , Hayam Fathy , Hussein El-Amin , Venkataraman Subramanian , Noor Mohammed , Gilberto Ochoa-Ruiz , Sharib Ali

Low-light image enhancement (LLIE) has traditionally been formulated as a deterministic mapping. However, this paradigm often struggles to account for the ill-posed nature of the task, where unknown ambient conditions and sensor parameters…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Hongru Han , Tingrui Guo , Liming Zhang , Yan Su , Qiwen Xu , Zhuohua Ye

Colorectal cancer (CRC) is the third cause of cancer death worldwide. Currently, the standard approach to reduce CRC-related mortality is to perform regular screening in search for polyps and colonoscopy is the screening tool of choice. The…

Computer Vision and Pattern Recognition · Computer Science 2016-12-05 David Vázquez , Jorge Bernal , F. Javier Sánchez , Gloria Fernández-Esparrach , Antonio M. López , Adriana Romero , Michal Drozdzal , Aaron Courville

This paper presents a novel positive and negative set selection strategy for contrastive learning of medical images based on labels that can be extracted from clinical data. In the medical field, there exists a variety of labels for data…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Kiran Kokilepersaud , Mohit Prabhushankar , Ghassan AlRegib

Endoscopy is a widely used imaging modality to diagnose and treat diseases in hollow organs as for example the gastrointestinal tract, the kidney and the liver. However, due to varied modalities and use of different imaging protocols at…

Computer Vision and Pattern Recognition · Computer Science 2020-03-30 Sharib Ali , Binod Bhattarai , Tae-Kyun Kim , Jens Rittscher

Representation learning offers a conduit to elucidate distinctive features within the latent space and interpret the deep models. However, the randomness of lesion distribution and the complexity of low-quality factors in medical images…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Qingshan Hou , Shuai Cheng , Peng Cao , Jinzhu Yang , Xiaoli Liu , Osmar R. Zaiane , Yih Chung Tham

Colorectal polyps are important precursors to colon cancer, a major health problem. Colon capsule endoscopy (CCE) is a safe and minimally invasive examination procedure, in which the images of the intestine are obtained via digital cameras…

Computer Vision and Pattern Recognition · Computer Science 2014-07-15 Alexander V. Mamonov , Isabel N. Figueiredo , Pedro N. Figueiredo , Yen-Hsi Richard Tsai

Semi-supervised learning (SSL), which aims at leveraging a few labeled images and a large number of unlabeled images for network training, is beneficial for relieving the burden of data annotation in medical image segmentation. According to…

Image and Video Processing · Electrical Eng. & Systems 2022-02-15 Xinkai Zhao , Chaowei Fang , De-Jun Fan , Xutao Lin , Feng Gao , Guanbin Li

Colon polyps are precursors to colorectal cancer, a leading cause of cancer-related mortality worldwide. Early detection is critical for improving patient outcomes. This study investigates the application of deep learning-based object…

Image and Video Processing · Electrical Eng. & Systems 2025-08-20 Md Al Amin , Bikash Kumar Paul

Purpose: Visual 3D scene reconstruction can support colonoscopy navigation. It can help in recognising which portions of the colon have been visualised and characterising the size and shape of polyps. This is still a very challenging…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Rema Daher , Francisco Vasconcelos , Danail Stoyanov

Endoscopic diagnosis is an important means for gastric polyp detection. In this paper, a panoramic image of gastroscopy is developed, which can display the inner surface of the stomach intuitively and comprehensively. Moreover, the proposed…

Image and Video Processing · Electrical Eng. & Systems 2019-10-22 Chenfei Shi , Yan Xue , Chuan Jiang , Hui Tian , Bei Liu

Dynamic full-field optical coherence microscopy (d-FF-OCM) is a label-free imaging technique that captures intrinsic subcellular motions to generate functional contrast. This dynamic approach yields images with fluorescence-like contrast,…

Optics · Physics 2025-08-06 Erikas Tarvydas , Austeja Treciokaite , Egidijus Auksorius

As the demand for more descriptive machine learning models grows within medical imaging, bottlenecks due to data paucity will exacerbate. Thus, collecting enough large-scale data will require automated tools to harvest data/label pairs from…

Image and Video Processing · Electrical Eng. & Systems 2019-10-01 Bo Zhou , Adam P. Harrison , Jiawen Yao , Chi-Tung Cheng , Jing Xiao , Chien-Hung Liao , Le Lu