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Segmentation of planar regions from a single RGB image is a particularly important task in the perception of complex scenes. To utilize both visual and geometric properties in images, recent approaches often formulate the problem as a joint…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Cao Dinh Duc , Jongwoo Lim

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

This paper contributes to automating medical image segmentation by proposing generative adversarial network-based models to segment both polyps and instruments in endoscopy images. A major contribution of this work is to provide…

Image and Video Processing · Electrical Eng. & Systems 2021-11-03 Awadelrahman M. A. Ahmed , Leen A. M. Ali

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

Mucous glands lesions analysis and assessing of malignant potential of colon polyps are very important tasks of surgical pathology. However, differential diagnosis of colon polyps often seems impossible by classical methods and it is…

Computer Vision and Pattern Recognition · Computer Science 2018-06-21 A. Khvostikov , A. Krylov , O. Kharlova , N. Oleynikova , I. Mikhailov , P. Malkov

Precise segmentation of brain tumors, particularly contrast-enhancing regions visible in post-contrast MRI (areas highlighted by contrast agent injection), is crucial for accurate clinical diagnosis and treatment planning but remains…

Image and Video Processing · Electrical Eng. & Systems 2025-06-13 Minye Shao , Zeyu Wang , Haoran Duan , Yawen Huang , Bing Zhai , Shizheng Wang , Yang Long , Yefeng Zheng

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 the first cause of death in many countries. CRC originates from a small clump of cells on the lining of the colon called polyps, which over time might grow and become malignant. Early detection and removal of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Truong Dang , Thanh Nguyen , John McCall , Alan Wee-Chung Liew

Colorectal cancer is the third most common cause of cancer worldwide. According to Global cancer statistics 2018, the incidence of colorectal cancer is increasing in both developing and developed countries. Early detection of colon…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Debesh Jha , Steven A. Hicks , Krister Emanuelsen , Håvard Johansen , Dag Johansen , Thomas de Lange , Michael A. Riegler , Pål Halvorsen

Current successful approaches for generic (non-semantic) segmentation rely mostly on edge detection and have leveraged the strengths of deep learning mainly by improving the edge detection stage in the algorithmic pipeline. This is in…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Or Isaacs , Oran Shayer , Michael Lindenbaum

The appearance of histopathology images depends on tissue type, staining and digitization procedure. These vary from source to source and are the potential causes for domain-shift problems. Owing to this problem, despite the great success…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Trinh Thi Le Vuong , Quoc Dang Vu , Mostafa Jahanifar , Simon Graham , Jin Tae Kwak , Nasir Rajpoot

An algorithm is proposed for the segmentation of image into multiple levels using mean and standard deviation in the wavelet domain. The procedure provides for variable size segmentation with bigger block size around the mean, and having…

Colonoscopy is the primary method for examination, detection, and removal of polyps. However, challenges such as variations among the endoscopists' skills, bowel quality preparation, and the complex nature of the large intestine contribute…

Colorectal cancer is the third most aggressive cancer worldwide. Polyps, as the main biomarker of the disease, are detected, localized, and characterized through colonoscopy procedures. Nonetheless, during the examination, up to 25% of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Lina Ruiz , Franklin Sierra-Jerez , Jair Ruiz , Fabio Martinez

Volumetric medical image segmentation is a fundamental problem in medical image analysis where the objective is to accurately classify a given 3D volumetric medical image with voxel-level precision. In this work, we propose a novel…

Image and Video Processing · Electrical Eng. & Systems 2024-10-22 Daniya Najiha Abdul Kareem , Mustansar Fiaz , Noa Novershtern , Jacob Hanna , Hisham Cholakkal

We present a novel approach that combines machine learning based interactive image segmentation using supervoxels with a clustering method for the automated identification of similarly colored images in large data sets which enables a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Adrian Friebel , Tim Johann , Dirk Drasdo , Stefan Hoehme

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

Recent advance of large scale similarity search involves using deeply learned representations to improve the search accuracy and use vector quantization methods to increase the search speed. However, how to learn deep representations that…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Shicong Liu , Hongtao Lu

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 2025-10-22 Suncheng Xiang , Jiale Guan , Shilun Cai , Jiacheng Ruan , Dahong Qian

Polyp segmentation is vital for early colorectal cancer detection, yet traditional fully supervised methods struggle with morphological variability and domain shifts, requiring frequent retraining. Additionally, reliance on large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Xinyu Mao , Xiaohan Xing , Fei Meng , Jianbang Liu , Fan Bai , Qiang Nie , Max Meng