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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

Besides the complex nature of colonoscopy frames with intrinsic frame formation artefacts such as light reflections and the diversity of polyp types/shapes, the publicly available polyp segmentation training datasets are limited, small and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Yan Wen , Lei Zhang , Xiangli Meng , Xujiong Ye

Learning robust representations of polyp tracklets is key to enabling multiple AI-assisted colonoscopy applications, from polyp characterization to automated reporting and retrieval. Supervised contrastive learning is an effective approach…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Luca Parolari , Pietro Gori , Lamberto Ballan , Carlo Biffi , Loic Le Folgoc

Early diagnosis is essential for the successful treatment of bowel cancers including colorectal cancer (CRC) and capsule endoscopic imaging with robotic actuation can be a valuable diagnostic tool when combined with automated image…

Accurate polyp segmentation during colonoscopy is critical for the early detection of colorectal cancer and still remains challenging due to significant size, shape, and color variations, and the camouflaged nature of polyps. While…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Shivanshu Agnihotri , Snehashis Majhi , Deepak Ranjan Nayak , Debesh Jha

Precise localization of polyp is crucial for early cancer screening in gastrointestinal endoscopy. Videos given by endoscopy bring both richer contextual information as well as more challenges than still images. The camera-moving situation,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-09 Lingyun Wu , Zhiqiang Hu , Yuanfeng Ji , Ping Luo , Shaoting Zhang

More than 90\% of colorectal cancer is gradually transformed from colorectal polyps. In clinical practice, precise polyp segmentation provides important information in the early detection of colorectal cancer. Therefore, automatic polyp…

Computer Vision and Pattern Recognition · Computer Science 2021-08-12 Xiaoqi Zhao , Lihe Zhang , Huchuan Lu

Colonoscopy is still the main method of detection and segmentation of colonic polyps, and recent advancements in deep learning networks such as U-Net, ResUNet, Swin-UNet, and PraNet have made outstanding performance in polyp segmentation.…

Image and Video Processing · Electrical Eng. & Systems 2025-08-14 Madan Baduwal

Most polyp segmentation methods use CNNs as their backbone, leading to two key issues when exchanging information between the encoder and decoder: 1) taking into account the differences in contribution between different-level features and…

Image and Video Processing · Electrical Eng. & Systems 2024-02-20 Bo Dong , Wenhai Wang , Deng-Ping Fan , Jinpeng Li , Huazhu Fu , Ling Shao

While the Segment Anything Model (SAM) excels in semantic segmentation for general-purpose images, its performance significantly deteriorates when applied to medical images, primarily attributable to insufficient representation of medical…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Yiming Zhang , Tianang Leng , Kun Han , Xiaohui Xie

Colorectal cancer is a one of the highest causes of cancer-related death, especially in men. Polyps are one of the main causes of colorectal cancer and early diagnosis of polyps by colonoscopy could result in successful treatment. Diagnosis…

Image and Video Processing · Electrical Eng. & Systems 2018-02-02 Mojtaba Akbari , Majid Mohrekesh , Ebrahim Nasr-Esfahani , S. M. Reza Soroushmehr , Nader Karimi , Shadrokh Samavi , Kayvan Najarian

Clinically, automated polyp segmentation techniques have the potential to significantly improve the efficiency and accuracy of medical diagnosis, thereby reducing the risk of colorectal cancer in patients. Unfortunately, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Junzhuo Liu , Qiaosong Chen , Ye Zhang , Zhixiang Wang , Deng Xin , Jin Wang

Colonoscopy is a common and practical method for detecting and treating polyps. Segmenting polyps from colonoscopy image is useful for diagnosis and surgery progress. Nevertheless, achieving excellent segmentation performance is still…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Quang Vinh Nguyen , Van Thong Huynh , Soo-Hyung Kim

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

This paper presents a novel supervised convolutional neural network architecture, "DUCK-Net", capable of effectively learning and generalizing from small amounts of medical images to perform accurate segmentation tasks. Our model utilizes…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Razvan-Gabriel Dumitru , Darius Peteleaza , Catalin Craciun

Automatic analysis of colonoscopy images has been an active field of research motivated by the importance of early detection of precancerous polyps. However, detecting polyps during the live examination can be challenging due to various…

Medical endoscopy remains a challenging application for simultaneous localization and mapping (SLAM) due to the sparsity of image features and size constraints that prevent direct depth-sensing. We present a SLAM approach that incorporates…

Image and Video Processing · Electrical Eng. & Systems 2019-07-02 Richard J. Chen , Taylor L. Bobrow , Thomas Athey , Faisal Mahmood , Nicholas J. Durr

Colonic polyps are well-recognized precursors to colorectal cancer (CRC), typically detected during colonoscopy. However, the variability in appearance, location, and size of these polyps complicates their detection and removal, leading to…

To cope with the growing prevalence of colorectal cancer (CRC), screening programs for polyp detection and removal have proven their usefulness. Colonoscopy is considered the best-performing procedure for CRC screening. To ease the…

Image and Video Processing · Electrical Eng. & Systems 2024-01-25 Mathias Ramm Haugland , Hemin Ali Qadir , Ilangko Balasingham

Multi-centre colonoscopy images from various medical centres exhibit distinct complicating factors and overlays that impact the image content, contingent on the specific acquisition centre. Existing Deep Segmentation networks struggle to…

Image and Video Processing · Electrical Eng. & Systems 2023-08-31 Valentina Corbetta , Regina Beets-Tan , Wilson Silva