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Accurate polyp segmentation in colonoscopy is essential for early colorectal cancer detection, yet real-world clinical environments pose persistent challenges such as motion blur, specular reflections, and illumination instability. Most…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Zhuoyu Wu , Wenhui Ou , Lexi Zhang , Pei-Sze Tan , Dongjun Wu , Junhe Zhao , Wenqi Fang , Raphaël C. -W. Phan

Colonoscopy is a standard imaging tool for visualizing the entire gastrointestinal (GI) tract of patients to capture lesion areas. However, it takes the clinicians excessive time to review a large number of images extracted from colonoscopy…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Kaiwei Che , Chengwei Ye , Yibing Yao , Nachuan Ma , Ruo Zhang , Jiankun Wang , Max Q. -H. Meng

Endoscopy is a valuable tool for the early diagnosis of colon cancer. However, it requires the expertise of endoscopists and is a time-consuming process. In this work, we propose a new multi-label classification method, which considers two…

Image and Video Processing · Electrical Eng. & Systems 2023-03-14 Zahra Sobhaninia , Nasrin Abharian , Nader Karimi , Shahram Shirani , Shadrokh Samavi

Background: Colonoscopy remains the gold-standard screening for colorectal cancer. However, significant miss rates for polyps have been reported, particularly when there are multiple small adenomas. This presents an opportunity to leverage…

Image and Video Processing · Electrical Eng. & Systems 2021-06-23 Michael Yeung , Evis Sala , Carola-Bibiane Schönlieb , Leonardo Rundo

Colorectal cancer (CRC) is one of the most commonly diagnosed cancers and a leading cause of cancer deaths in the United States. Colorectal polyps that grow on the intima of the colon or rectum is an important precursor for CRC. Currently,…

Image and Video Processing · Electrical Eng. & Systems 2019-12-30 Xinzi Sun , Pengfei Zhang , Dechun Wang , Yu Cao , Benyuan Liu

Colorectal polyps are abnormal tissues growing on the intima of the colon or rectum with a high risk of developing into colorectal cancer, the third leading cause of cancer death worldwide. Early detection and removal of colon polyps via…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Xinzi Sun , Dechun Wang , Chenxi Zhang , Pengfei Zhang , Zinan Xiong , Yu Cao , Benyuan Liu , Xiaowei Liu , Shuijiao Chen

Colorectal cancer (CRC), a lethal disease, begins with the growth of abnormal mucosal cell proliferation called polyps in the inner wall of the colon. When left undetected, polyps can become malignant tumors. Colonoscopy is the standard…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Siddharth Gupta , Jitin Singla

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

Automatic polyp segmentation is crucial for effective diagnosis and treatment in colonoscopy images. Traditional methods encounter significant challenges in accurately delineating polyps due to limitations in feature representation and the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Quang Vinh Nguyen , Thanh Hoang Son Vo , Sae-Ryung Kang , Soo-Hyung Kim

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

Deep learning in gastrointestinal endoscopy can assist to improve clinical performance and be helpful to assess lesions more accurately. To this extent, semantic segmentation methods that can perform automated real-time delineation of a…

Image and Video Processing · Electrical Eng. & Systems 2021-04-23 Debesh Jha , Nikhil Kumar Tomar , Sharib Ali , Michael A. Riegler , Håvard D. Johansen , Dag Johansen , Thomas de Lange , Pål Halvorsen

Automatic detection of polyps is challenging because different polyps vary greatly, while the changes between polyps and their analogues are small. The state-of-the-art methods are based on convolutional neural networks (CNNs). However,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Jianwei Xu , Ran Zhao , Yizhou Yu , Qingwei Zhang , Xianzhang Bian , Jun Wang , Zhizheng Ge , Dahong Qian

Polyps represent an early sign of the development of Colorectal Cancer. The standard procedure for their detection consists of colonoscopic examination of the gastrointestinal tract. However, the wide range of polyp shapes and visual…

Image and Video Processing · Electrical Eng. & Systems 2021-10-06 Adrian Galdran , Gustavo Carneiro , Miguel A. González Ballester

Visualizing colonoscopy is crucial for medical auxiliary diagnosis to prevent undetected polyps in areas that are not fully observed. Traditional feature-based and depth-based reconstruction approaches usually end up with undesirable…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Zhenhua Wu , Yanlin Jin , Liangdong Qiu , Xiaoguang Han , Xiang Wan , Guanbin Li

Objectives: Timely and accurate detection of colorectal polyps plays a crucial role in diagnosing and preventing colorectal cancer, a major cause of mortality worldwide. This study introduces a new, lightweight, and efficient framework for…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Saadat Behzadi , Danial Sharifrazi , Bita Mesbahzadeh , Javad Hassannataj Joloudari , Roohallah Alizadehsani

Segmenting polyps in colonoscopy images is essential for the early identification and diagnosis of colorectal cancer, a significant cause of worldwide cancer deaths. Prior deep learning based models such as Attention based variation, UNet…

Image and Video Processing · Electrical Eng. & Systems 2024-07-30 Al Mohimanul Islam , Sadia Shakiba Bhuiyan , Mysun Mashira , Md. Rayhan Ahmed , Salekul Islam , Swakkhar Shatabda

Colorectal polyps are important precursors to colon cancer, the third most common cause of cancer mortality for both men and women. It is a disease where early detection is of crucial importance. Colonoscopy is commonly used for early…

Computer Vision and Pattern Recognition · Computer Science 2019-11-25 Ahmed Mohammed , Sule Yildirim , Ivar Farup , Marius Pedersen , Øistein Hovde

Colonoscopy is considered the gold standard for detection of colorectal cancer and its precursors. Existing examination methods are, however, hampered by high overall miss-rate, and many abnormalities are left undetected. Computer-Aided…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Debesh Jha , Pia H. Smedsrud , Dag Johansen , Thomas de Lange , Håvard D. Johansen , Pål Halvorsen , Michael A. Riegler

Colonoscopy is considered the most effective screening test to detect colorectal cancer (CRC) and its precursor lesions, i.e., polyps. However, the procedure experiences high miss rates due to polyp heterogeneity and inter-observer…

Image and Video Processing · Electrical Eng. & Systems 2023-03-15 Debesh Jha , Nikhil Kumar Tomar , Vanshali Sharma , Ulas Bagci

Colo-segment recognition in colonoscopy videos is a key requirement for many downstream tasks, but existing automatic recognition methods only use colonoscopy images without fully exploiting the use of temporal information, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Ziyi Wang , Zhengjie Zhang , Jingsheng Gao , Dahong Qian , Suncheng Xiang