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Commonly employed in polyp segmentation, single image UNet architectures lack the temporal insight clinicians gain from video data in diagnosing polyps. To mirror clinical practices more faithfully, our proposed solution, PolypNextLSTM,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Debayan Bhattacharya , Konrad Reuter , Finn Behrendt , Lennart Maack , Sarah Grube , Alexander Schlaefer

To address overfitting and enhance model generalization in gastroenterological polyp size assessment, our study introduces Feature-Selection Gates (FSG) or Hard-Attention Gates (HAG) alongside Gradient Routing (GR) for dynamic feature…

Image and Video Processing · Electrical Eng. & Systems 2024-07-08 Giorgio Roffo , Carlo Biffi , Pietro Salvagnini , Andrea Cherubini

Automatic and accurate segmentation of colon polyps is essential for early diagnosis of colorectal cancer. Advanced deep learning models have shown promising results in polyp segmentation. However, they still have limitations in…

Computer Vision and Pattern Recognition · Computer Science 2023-07-14 Nguyen Hoang Thuan , Nguyen Thi Oanh , Nguyen Thi Thuy , Stuart Perry , Dinh Viet Sang

Colonoscopy is a gold standard procedure but is highly operator-dependent. Efforts have been made to automate the detection and segmentation of polyps, a precancerous precursor, to effectively minimize missed rate. Widely used…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Abhishek Srivastava , Sukalpa Chanda , Debesh Jha , Umapada Pal , Sharib Ali

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

In recent years, polyp segmentation has gained significant importance, and many methods have been developed using CNN, Vision Transformer, and Transformer techniques to achieve competitive results. However, these methods often face…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Quoc-Huy Trinh

During image-guided procedures, real-time image segmentation is often required. This demands lightweight AI models that can operate on resource-constrained devices. One important use case is endoscopy-guided colonoscopy, where polyps must…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 M Iffat Hossain , Laura Brattain

Colonoscopy is a procedure to detect colorectal polyps which are the primary cause for developing colorectal cancer. However, polyp segmentation is a challenging task due to the diverse shape, size, color, and texture of polyps, shuttle…

Image and Video Processing · Electrical Eng. & Systems 2021-05-04 Krushi Patel , Andres M. Bur , Guanghui Wang

Polyps are early cancer indicators, so assessing occurrences of polyps and their removal is critical. They are observed through a colonoscopy screening procedure that generates a stream of video frames. Segmenting polyps in their natural…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Ziang Xu , Jens Rittscher , Sharib Ali

Pixel-wise image segmentation is a highly demanding task in medical-image analysis. In practice, it is difficult to find annotated medical images with corresponding segmentation masks. In this paper, we present Kvasir-SEG: an open-access…

Image and Video Processing · Electrical Eng. & Systems 2019-11-19 Debesh Jha , Pia H. Smedsrud , Michael A. Riegler , Pål Halvorsen , Thomas de Lange , Dag Johansen , Håvard D. Johansen

Precise polyp segmentation is vital for the early diagnosis and prevention of colorectal cancer (CRC) in clinical practice. However, due to scale variation and blurry polyp boundaries, it is still a challenging task to achieve satisfactory…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Tao Zhou , Yizhe Zhang , Geng Chen , Yi Zhou , Ye Wu , Deng-Ping Fan

We present the first comprehensive video polyp segmentation (VPS) study in the deep learning era. Over the years, developments in VPS are not moving forward with ease due to the lack of large-scale fine-grained segmentation annotations. To…

Image and Video Processing · Electrical Eng. & Systems 2023-03-03 Ge-Peng Ji , Guobao Xiao , Yu-Cheng Chou , Deng-Ping Fan , Kai Zhao , Geng Chen , Luc Van Gool

Accurate polyp segmentation in colonoscopy is essential for cancer prevention but remains challenging due to: (1) high morphological variability (from flat to protruding lesions), (2) strong visual similarity to normal structures such as…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Abdul Joseph Fofanah , Lian Wen , Alpha Alimamy Kamara , Zhongyi Zhang , David Chen , Albert Patrick Sankoh

Colonoscopy, currently the most efficient and recognized colon polyp detection technology, is necessary for early screening and prevention of colorectal cancer. However, due to the varying size and complex morphological features of colonic…

Image and Video Processing · Electrical Eng. & Systems 2022-06-29 Jinfeng Wang , Qiming Huang , Feilong Tang , Jia Meng , Jionglong Su , Sifan Song

Automatic segmentation methods of polyps is crucial for assisting doctors in colorectal polyp screening and cancer diagnosis. Despite the progress made by existing methods, polyp segmentation faces several challenges: (1) small-sized polyps…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Wei Wang , Feng Jiang , Xin Wang

Polyp segmentation, a critical concern in medical imaging, has prompted numerous proposed methods aimed at enhancing the quality of segmented masks. While current state-of-the-art techniques produce impressive results, the size and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Quoc-Huy Trinh , Hai-Dang Nguyen , Bao-Tram Nguyen Ngoc , Debesh Jha , Ulas Bagci , Minh-Triet Tran

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

Medical image segmentation is the technique that helps doctor view and has a precise diagnosis, particularly in Colorectal Cancer. Specifically, with the increase in cases, the diagnosis and identification need to be faster and more…

Image and Video Processing · Electrical Eng. & Systems 2023-06-16 Trong-Hieu Nguyen Mau , Quoc-Huy Trinh , Nhat-Tan Bui , Minh-Triet Tran , Hai-Dang Nguyen

Polyp segmentation within colonoscopy video frames using deep learning models has the potential to automate the workflow of clinicians. This could help improve the early detection rate and characterization of polyps which could progress to…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Kerr Fitzgerald , Bogdan Matuszewski

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