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Colorectal cancer (CRC) is one of the few cancers that have an established dysplasia-carcinoma sequence that benefits from screening. Everyone over 50 years of age in Canada is eligible for CRC screening. About 20\% of those people will…

Image and Video Processing · Electrical Eng. & Systems 2024-11-12 Cassandre Notton , Vasudev Sharma , Vincent Quoc-Huy Trinh , Lina Chen , Minqi Xu , Sonal Varma , Mahdi S. Hosseini

Histological classification of colorectal polyps plays a critical role in both screening for colorectal cancer and care of affected patients. An accurate and automated algorithm for the classification of colorectal polyps on digitized…

Semantic segmentation is an essential task in developing medical image diagnosis systems. However, building an annotated medical dataset is expensive. Thus, semi-supervised methods are significant in this circumstance. In semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Toan Pham Van , Linh Bao Doan , Thanh Tung Nguyen , Duc Trung Tran , Quan Van Nguyen , Dinh Viet Sang

Colorectal cancer (CRC) is a major global cause of cancer-related deaths, with early polyp detection and removal during colonoscopy being crucial for prevention. While deep learning methods have shown promise in polyp segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Fiseha B. Tesema , Alejandro Guerra Manzanares , Tianxiang Cui , Qian Zhang , Moses Solomon , Sean He

Wireless Capsule Endoscopy (WCE) is a relatively new technology to record the entire GI trace, in vivo. The large amounts of frames captured during an examination cause difficulties for physicians to review all these frames. The need for…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Omid Haji Maghsoudi

Early and accurate segmentation of colorectal polyps is critical for reducing colorectal cancer mortality, which has been extensively explored by academia and industry. However, current deep learning-based polyp segmentation models either…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Ziyi Wang , Yuanmei Zhang , Dorna Esrafilzadeh , Ali R. Jalili , Suncheng Xiang

Accurate polyp delineation in colonoscopy is crucial for assisting in diagnosis, guiding interventions, and treatments. However, current deep-learning approaches fall short due to integrity deficiency, which often manifests as missing…

Image and Video Processing · Electrical Eng. & Systems 2023-09-18 Ziqiang Chen , Kang Wang , Yun Liu

Accurate assessment of bowel cleanliness is essential for effective colonoscopy procedures. The Boston Bowel Preparation Scale (BBPS) offers a standardized scoring system but suffers from subjectivity and inter-observer variability when…

Image and Video Processing · Electrical Eng. & Systems 2025-12-30 Yujia Fu , Zhiyu Dong , Tianwen Qian , Chenye Zheng , Danian Ji , Linhai Zhuo

This paper proposes a smart handheld textural sensing medical device with complementary Machine Learning (ML) algorithms to enable on-site Colorectal Cancer (CRC) polyp diagnosis and pathology of excised tumors. The proposed unique handheld…

In this paper, we propose and analyse a system that can automatically detect, localise and classify polyps from colonoscopy videos. The detection of frames with polyps is formulated as a few-shot anomaly classification problem, where the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Yu Tian , Leonardo Zorron Cheng Tao Pu , Yuyuan Liu , Gabriel Maicas , Johan W. Verjans , Alastair D. Burt , Seon Ho Shin , Rajvinder Singh , Gustavo Carneiro

Current polyp detection methods from colonoscopy videos use exclusively normal (i.e., healthy) training images, which i) ignore the importance of temporal information in consecutive video frames, and ii) lack knowledge about the polyps.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Yu Tian , Guansong Pang , Fengbei Liu , Yuyuan Liu , Chong Wang , Yuanhong Chen , Johan W Verjans , Gustavo Carneiro

Unlike existing fully-supervised approaches, we rethink colorectal polyp segmentation from an out-of-distribution perspective with a simple but effective self-supervised learning approach. We leverage the ability of masked autoencoders --…

Image and Video Processing · Electrical Eng. & Systems 2024-03-22 Ge-Peng Ji , Jing Zhang , Dylan Campbell , Huan Xiong , Nick Barnes

Colonoscopy is vital in the early diagnosis of colorectal polyps. Regular screenings can effectively prevent benign polyps from progressing to CRC. While deep learning has made impressive strides in polyp segmentation, most existing models…

Image and Video Processing · Electrical Eng. & Systems 2025-04-21 Jun Zeng , KC Santosh , Deepak Rajan Nayak , Thomas de Lange , Jonas Varkey , Tyler Berzin , Debesh Jha

Colorectal polyp segmentation (CPS), an essential problem in medical image analysis, has garnered growing research attention. Recently, the deep learning-based model completely overwhelmed traditional methods in the field of CPS, and more…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Zhenyu Wu , Fengmao Lv , Chenglizhao Chen , Aimin Hao , Shuo Li

Wireless capsule endoscopy (WCE) is a process in which a patient swallows a camera-embedded pill-shaped device that passes through the gastrointestinal (GI) tract, captures and transmits images to an external receiver. WCE devices are…

Image and Video Processing · Electrical Eng. & Systems 2019-10-02 Tariq Rahim , Muhammad Arslan Usman , Soo Young Shin

Colon polyps are considered important precursors for colorectal cancer. Automatic segmentation of colon polyps can significantly reduce the misdiagnosis of colon cancer and improve physician annotation efficiency. While many methods have…

Image and Video Processing · Electrical Eng. & Systems 2023-05-02 Yuheng Li , Mingzhe Hu , Xiaofeng Yang

Accurate polyp detection is critical for early colorectal cancer diagnosis. Although remarkable progress has been achieved in recent years, the complex colon environment and concealed polyps with unclear boundaries still pose severe…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Yuncheng Jiang , Zixun Zhang , Yiwen Hu , Guanbin Li , Xiang Wan , Song Wu , Shuguang Cui , Silin Huang , Zhen Li

Colorectal cancer (CRC) is one of the most common causes of cancer and cancer-related mortality worldwide. Performing colon cancer screening in a timely fashion is the key to early detection. Colonoscopy is the primary modality used to…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 Nikhil Kumar Tomar , Annie Shergill , Brandon Rieders , Ulas Bagci , Debesh Jha

Capsule endoscopy is a novel and non-invasive method for diagnosis, which assists gastroenterologists to monitor the digestive track. Although this new technology has many advantages over the conventional endoscopy, there are weaknesses…

Image and Video Processing · Electrical Eng. & Systems 2018-01-01 Mohammad Amin Khorsandi , Nader Karimi , Shadrokh Samavi

Colonoscopy is a gold standard procedure but is highly operator-dependent. Automated polyp segmentation, a precancerous precursor, can minimize missed rates and timely treatment of colon cancer at an early stage. Even though there are deep…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Nikhil Kumar Tomar , Debesh Jha , Ulas Bagci , Sharib Ali