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Polyps are well-known cancer precursors identified by colonoscopy. However, variability in their size, location, and surface largely affect identification, localisation, and characterisation. Moreover, colonoscopic surveillance and removal…

Colonoscopic Polyp Re-Identification aims to match the same polyp from a large gallery with images from different views taken using different cameras, which plays an important role in the prevention and treatment of colorectal cancer in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Suncheng Xiang , Xiaoyang Wang , Junjie Jiang , Hejia Wang , Dahong Qian

Automatic detection of colonic polyps is still an unsolved problem due to the large variation of polyps in terms of shape, texture, size, and color, and the existence of various polyp-like mimics during colonoscopy. In this study, we apply…

Computer Vision and Pattern Recognition · Computer Science 2019-06-28 Younghak Shin , Hemin Ali Qadir , Lars Aabakken , Jacob Bergsland , Ilangko Balasingham

Colorectal cancer is the third most common cause of cancer death worldwide. Optical colonoscopy is the gold standard for detecting colorectal cancer; however, about 25 percent of polyps are missed during the procedure. A vision-based…

Image and Video Processing · Electrical Eng. & Systems 2023-01-20 Alwyn Mathew , Ludovic Magerand , Emanuele Trucco , Luigi Manfredi

Determining the necessity of resecting malignant polyps during colonoscopy screen is crucial for patient outcomes, yet challenging due to the time-consuming and costly nature of histopathology examination. While deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Ruijie Yang , Yan Zhu , Peiyao Fu , Yizhe Zhang , Zhihua Wang , Quanlin Li , Pinghong Zhou , Xian Yang , Shuo Wang

Colon cancer also known as Colorectal cancer, is one of the most malignant types of cancer worldwide. Early-stage detection of colon cancer is highly crucial to prevent its deterioration. This research presents a hybrid multi-scale deep…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Sadra Saremi , Amirhossein Ahmadkhan Kordbacheh

Accurate segmentation of polyps from colonoscopy videos is of great significance to polyp treatment and early prevention of colorectal cancer. However, it is challenging due to the difficulties associated with modelling long-range…

Computer Vision and Pattern Recognition · Computer Science 2024-01-24 Geng Chen , Junqing Yang , Xiaozhou Pu , Ge-Peng Ji , Huan Xiong , Yongsheng Pan , Hengfei Cui , Yong Xia

Deep learning models are used to minimize the number of polyps that goes unnoticed by the experts and to accurately segment the detected polyps during interventions. Although state-of-the-art models are proposed, it remains a challenge to…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Tugberk Erol , Duygu Sarikaya

Polyp segmentation is of great importance in the early diagnosis and treatment of colorectal cancer. Since polyps vary in their shape, size, color, and texture, accurate polyp segmentation is very challenging. One promising way to mitigate…

Image and Video Processing · Electrical Eng. & Systems 2022-01-21 Zijin Yin , Kongming Liang , Zhanyu Ma , Jun Guo

Liver cancer is one of the most common malignant diseases in the world. Segmentation and labeling of liver tumors and blood vessels in CT images can provide convenience for doctors in liver tumor diagnosis and surgical intervention. In the…

Image and Video Processing · Electrical Eng. & Systems 2022-03-01 Xiangyu Meng , Xudong Zhang , Gan Wang , Ying Zhang , Xin Shi , Huanhuan Dai , Zixuan Wang , Xun Wang

Precise segmentation of bladder walls and tumor regions is an essential step towards non-invasive identification of tumor stage and grade, which is critical for treatment decision and prognosis of patients with bladder cancer (BC). However,…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Jose Dolz , Xiaopan Xu , Jerome Rony , Jing Yuan , Yang Liu , Eric Granger , Christian Desrosiers , Xi Zhang , Ismail Ben Ayed , Hongbing Lu

Early identification of a polyp in the lower gastrointestinal (GI) tract can lead to prevention of life-threatening colorectal cancer. Developing computer-aided diagnosis (CAD) systems to detect polyps can improve detection accuracy and…

Image and Video Processing · Electrical Eng. & Systems 2022-06-01 Jan Andre Fagereng , Vajira Thambawita , Andrea M. Storås , Sravanthi Parasa , Thomas de Lange , Pål Halvorsen , Michael A. Riegler

Existing video polyp segmentation (VPS) models typically employ convolutional neural networks (CNNs) to extract features. However, due to their limited receptive fields, CNNs can not fully exploit the global temporal and spatial information…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Ge-Peng Ji , Yu-Cheng Chou , Deng-Ping Fan , Geng Chen , Huazhu Fu , Debesh Jha , Ling Shao

This paper is created to explore deep learning models and algorithms that results in highest accuracy in detecting polyp on colonoscopy images. Previous studies implemented deep learning using convolution neural network (CNN) algorithm in…

Image and Video Processing · Electrical Eng. & Systems 2022-03-09 Ariel E. Isidro , Arnel C. Fajardo , Alexander A. Hernandez

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

Accurate polyp segmentation is of great importance for colorectal cancer diagnosis and treatment. However, due to the high cost of producing accurate mask annotations, existing polyp segmentation methods suffer from severe data shortage and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Jun Wei , Yiwen Hu , Guanbin Li , Shuguang Cui , S Kevin Zhou , Zhen Li

Detecting polyps through colonoscopy is an important task in medical image segmentation, which provides significant assistance and reference value for clinical surgery. However, accurate segmentation of polyps is a challenging task due to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Jianhao Xie , Ruofan Liao , Ziang Zhang , Sida Yi , Yuesheng Zhu , Guibo Luo

Polyp segmentation in colonoscopy is crucial for detecting colorectal cancer. However, it is challenging due to variations in the structure, color, and size of polyps, as well as the lack of clear boundaries with surrounding tissues.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Tapas Kumar Dutta , Snehashis Majhi , Deepak Ranjan Nayak , Debesh Jha

Computer-aided detection, localisation, and segmentation methods can help improve colonoscopy procedures. Even though many methods have been built to tackle automatic detection and segmentation of polyps, benchmarking of state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Debesh Jha , Sharib Ali , Nikhil Kumar Tomar , Håvard D. Johansen , Dag D. Johansen , Jens Rittscher , Michael A. Riegler , Pål Halvorsen

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