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Deep learning models have been proposed for automatic polyp detection and precise segmentation of polyps during colonoscopy procedures. Although these state-of-the-art models achieve high performance, they often require a large number of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Tugberk Erol , Tuba Caglikantar , Duygu Sarikaya

Early identification and removal of polyps can reduce the risk of developing colorectal cancer. However, the diverse morphologies, complex backgrounds and often concealed nature of polyps make polyp segmentation in colonoscopy images highly…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Yanguang Sun , Hengmin Zhang , Jianjun Qian , Jian Yang , Lei Luo

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

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

Since human and environmental factors interfere, captured polyp images usually suffer from issues such as dim lighting, blur, and overexposure, which pose challenges for downstream polyp segmentation tasks. To address the challenges of…

Image and Video Processing · Electrical Eng. & Systems 2025-04-16 Pu Wang , Zhihua Zhang , Dianjie Lu , Guijuan Zhang , Youshan Zhang , Zhuoran Zheng

Polyp segmentation for colonoscopy images is of vital importance in clinical practice. It can provide valuable information for colorectal cancer diagnosis and surgery. While existing methods have achieved relatively good performance, polyp…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Xiaolu Kang , Zhuoqi Ma , Kang Liu , Yunan Li , Qiguang Miao

CNN-based object detection models that strike a balance between performance and speed have been gradually used in polyp detection tasks. Nevertheless, accurately locating polyps within complex colonoscopy video scenes remains challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Kaini Wang , Haolin Wang , Guang-Quan Zhou , Yangang Wang , Ling Yang , Yang Chen , Shuo Li

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

Data-driven methods have shown tremendous progress in medical image analysis. In this context, deep learning-based supervised methods are widely popular. However, they require a large amount of training data and face issues in…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Ziang Xu , Jens Rittscher , Sharib Ali

Purpose: Colorectal cancer (CRC) is the second most common cause of cancer mortality worldwide. Colonoscopy is a widely used technique for colon screening and polyp lesions diagnosis. Nevertheless, manual screening using colonoscopy suffers…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Zhiqiang Shen , Chaonan Lin , Shaohua Zheng

Colorectal cancer is the third most common cancer-related death after lung cancer and breast cancer worldwide. The risk of developing colorectal cancer could be reduced by early diagnosis of polyps during a colonoscopy. Computer-aided…

Image and Video Processing · Electrical Eng. & Systems 2020-04-24 Sara Hosseinzadeh Kassani , Peyman Hosseinzadeh Kassani , Michal J. Wesolowski , Kevin A. Schneider , Ralph Deters

Potentially precancerous polyps detected with CT colonography (CTC) need to be removed subsequently, using an optical colonoscope (OC). Due to large colonic deformations induced by the colonoscope, even very experienced colonoscopists find…

Computer Vision and Pattern Recognition · Computer Science 2015-01-16 Holger R. Roth , Thomas E. Hampshire , Emma Helbren , Mingxing Hu , Roser Vega , Steve Halligan , David J. Hawkes

Automated polyp counting in colonoscopy is a crucial step toward automated procedure reporting and quality control, aiming to enhance the cost-effectiveness of colonoscopy screening. Counting polyps in a procedure involves detecting and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Luca Parolari , Andrea Cherubini , Lamberto Ballan , Carlo Biffi

Automatic outlining of different tissue types in digitized histological specimen provides a basis for follow-up analyses and can potentially guide subsequent medical decisions. The immense size of whole-slide-images (WSI), however, poses a…

We improved an existing end-to-end polyp detection model with better average precision validated by different data sets with trivial cost on detection speed. Our previous work on detecting polyps within colonoscopy provided an efficient…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jialin Yu , Huogen Wang , Ming Chen

In this study, with the goal of reducing the early detection miss rate of colorectal cancer (CRC) polyps, we propose utilizing a novel hyper-sensitive vision-based tactile sensor called HySenSe and a complementary and novel machine learning…

Machine Learning · Computer Science 2022-11-15 Nethra Venkatayogi , Qin Hu , Ozdemir Can Kara , Tarunraj G. Mohanraj , S. Farokh Atashzar , Farshid Alambeigi

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 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…

Assessing microsatellite stability status of a patient's colorectal cancer is crucial in personalizing treatment regime. Recently, convolutional-neural-networks (CNN) combined with transfer-learning approaches were proposed to circumvent…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Daniel Shats , Hadar Hezi , Guy Shani , Yosef E. Maruvka , Moti Freiman

Detecting and segmenting polyps is crucial for expediting the diagnosis of colon cancer. This is a challenging task due to the large variations of polyps in color, texture, and lighting conditions, along with subtle differences between the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Krushi Patel , Fengjun Li , Guanghui Wang