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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…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Xiaoqi Zhao , Lihe Zhang , Huchuan Lu

Survival rates for colorectal cancer are higher when polyps are detected at an early stage and can be removed before they develop into malignant tumors. Automated polyp detection, which is dominated by deep learning based methods, seeks to…

Virtual colonoscopy (VC) allows a radiologist to navigate through a 3D colon model reconstructed from a computed tomography scan of the abdomen, looking for polyps, the precursors of colon cancer. Polyps are seen as protrusions on the colon…

计算机视觉与模式识别 · 计算机科学 2018-09-19 Ji Hwan Park , Saad Nadeem , Joseph Marino , Kevin Baker , Matthew Barish , Arie Kaufman

Colonoscopy is the standard of care technique for detecting and removing polyps for the prevention of colorectal cancer. Nevertheless, gastroenterologists (GI) routinely miss approximately 25% of polyps during colonoscopies. These misses…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Idan Kligvasser , George Leifman , Roman Goldenberg , Ehud Rivlin , Michael Elad

Colorectal cancer is among the most prevalent cause of cancer-related mortality worldwide. Detection and removal of polyps at an early stage can help reduce mortality and even help in spreading over adjacent organs. Early polyp detection…

图像与视频处理 · 电气工程与系统科学 2023-04-20 Nikhil Kumar Tomar , Ulas Bagci , Debesh Jha

Optical colonoscopy (OC), the most prevalent colon cancer screening tool, has a high miss rate due to a number of factors, including the geometry of the colon (haustral fold and sharp bends occlusions), endoscopist inexperience or fatigue,…

图像与视频处理 · 电气工程与系统科学 2021-06-24 Shawn Mathew , Saad Nadeem , Arie Kaufman

Accurate detection of colorectal cancer and early prevention heavily rely on precise polyp identification during gastrointestinal colonoscopy. Due to limited data, many current state-of-the-art deep learning methods for polyp segmentation…

图像与视频处理 · 电气工程与系统科学 2024-05-31 Ankush Gajanan Arudkar , Bernard J. E. Evans

Histological evaluation of tissue samples is a typical approach to identify colorectal cancer metastases in the peritoneum. For immediate assessment, reliable and real-time in-vivo imaging would be required. For example, intraoperative…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Nils Gessert , Lukas Wittig , Daniel Drömann , Tobias Keck , Alexander Schlaefer , David B. Ellebrecht

In colonoscopy, 80% of the missed polyps could be detected with the help of Deep Learning models. In the search for algorithms capable of addressing this challenge, foundation models emerge as promising candidates. Their zero-shot or…

Early diagnosis and treatment of polyps during colonoscopy are essential for reducing the incidence and mortality of Colorectal Cancer (CRC). However, the variability in polyp characteristics and the presence of artifacts in colonoscopy…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Mobina Mansoori , Sajjad Shahabodini , Jamshid Abouei , Konstantinos N. Plataniotis , Arash Mohammadi

Colonoscopy is a standard imaging tool for visualizing the entire gastrointestinal (GI) tract of patients to capture lesion areas. However, it takes the clinicians excessive time to review a large number of images extracted from colonoscopy…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Kaiwei Che , Chengwei Ye , Yibing Yao , Nachuan Ma , Ruo Zhang , Jiankun Wang , Max Q. -H. Meng

In surgical oncology, screening colonoscopy plays a pivotal role in providing diagnostic assistance, such as biopsy, and facilitating surgical navigation, particularly in polyp detection. Computer-assisted endoscopic surgery has recently…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Baoru Huang , Yida Wang , Anh Nguyen , Daniel Elson , Francisco Vasconcelos , Danail Stoyanov

Pathologic diagnosis is a critical phase in deciding the optimal treatment procedure for dealing with colorectal cancer (CRC). Colonic polyps, precursors to CRC, can pathologically be classified into two major types: adenomatous and…

图像与视频处理 · 电气工程与系统科学 2025-02-11 Vanshali Sharma , Debesh Jha , M. K. Bhuyan , Pradip K. Das , Ulas Bagci

One of the major obstacles in automatic polyp detection during colonoscopy is the lack of labeled polyp training images. In this paper, we propose a framework of conditional adversarial networks to increase the number of training samples by…

图像与视频处理 · 电气工程与系统科学 2019-06-28 Younghak Shin , Hemin Ali Qadir , Ilangko Balasingham

Early detection, accurate segmentation, classification and tracking of polyps during colonoscopy are critical for preventing colorectal cancer. Many existing deep-learning-based methods for analyzing colonoscopic videos either require…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Anwesa Choudhuri , Zhongpai Gao , Meng Zheng , Benjamin Planche , Terrence Chen , Ziyan Wu

Automated analysis of optical colonoscopy (OC) video frames (to assist endoscopists during OC) is challenging due to variations in color, lighting, texture, and specular reflections. Previous methods either remove some of these variations…

图像与视频处理 · 电气工程与系统科学 2022-07-01 Shawn Mathew , Saad Nadeem , Arie Kaufman

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…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Luca Parolari , Andrea Cherubini , Lamberto Ballan , Carlo Biffi

This contribution shows how an appropriate image pre-processing can improve a deep-learning based 3D reconstruction of colon parts. The assumption is that, rather than global image illumination corrections, local under- and over-exposures…

图像与视频处理 · 电气工程与系统科学 2023-04-18 Ricardo Espinosa , Carlos Axel Garcia-Vega , Gilberto Ochoa-Ruiz , Dominique Lamarque , Christian Daul

Colorectal cancer (CRC) is the third cause of cancer death worldwide. Currently, the standard approach to reduce CRC-related mortality is to perform regular screening in search for polyps and colonoscopy is the screening tool of choice. The…

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…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Tugberk Erol , Tuba Caglikantar , Duygu Sarikaya