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相关论文: Detecting, Localising and Classifying Polyps from …

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Unlike existing fully-supervised approaches, we rethink colorectal polyp segmentation from an out-of-distribution perspective with a simple but effective self-supervised learning approach. We leverage the ability of masked autoencoders --…

图像与视频处理 · 电气工程与系统科学 2024-03-22 Ge-Peng Ji , Jing Zhang , Dylan Campbell , Huan Xiong , Nick Barnes

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…

图像与视频处理 · 电气工程与系统科学 2025-04-16 Pu Wang , Zhihua Zhang , Dianjie Lu , Guijuan Zhang , Youshan Zhang , Zhuoran Zheng

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…

计算机视觉与模式识别 · 计算机科学 2023-02-03 Kerr Fitzgerald , Bogdan Matuszewski

Video anomaly detection is a challenging task not only because it involves solving many sub-tasks such as motion representation, object localization and action recognition, but also because it is commonly considered as an unsupervised…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Yuqi Ouyang , Victor Sanchez

Automatic polyp detection and segmentation are highly desirable for colon screening due to polyp miss rate by physicians during colonoscopy, which is about 25%. However, this computerization is still an unsolved problem due to various…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Hemin Ali Qadir , Younghak Shin , Johannes Solhusvik , Jacob Bergsland , Lars Aabakken , Ilangko Balasingham

Abdominal ultrasound imaging has been widely used to assist in the diagnosis and treatment of various abdominal organs. In order to shorten the examination time and reduce the cognitive burden on the sonographers, we present a…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Keyu Li , Yangxin Xu , Max Q. -H. Meng

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

Accurate computer-aided polyp detection and segmentation during colonoscopy examinations can help endoscopists resect abnormal tissue and thereby decrease chances of polyps growing into cancer. Towards developing a fully automated model for…

图像与视频处理 · 电气工程与系统科学 2019-11-19 Debesh Jha , Pia H. Smedsrud , Michael A. Riegler , Dag Johansen , Thomas de Lange , Pal Halvorsen , Havard D. Johansen

Colonoscopy screening effectively identifies and removes polyps before they progress to colorectal cancer (CRC), but current follow-up guidelines rely primarily on histopathological features, overlooking other important CRC risk factors.…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Shuai Jiang , Christina Robinson , Joseph Anderson , William Hisey , Lynn Butterly , Arief Suriawinata , Saeed Hassanpour

Echocardiography provides an important tool for clinicians to observe the function of the heart in real time, at low cost, and without harmful radiation. Automated localization and classification of heart valves enables automatic extraction…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Derya Gol Gungor , Bimba Rao , Cynthia Wolverton , Ismayil Guracar

Detecting complex events in a large video collection crawled from video websites is a challenging task. When applying directly good image-based feature representation, e.g., HOG, SIFT, to videos, we have to face the problem of how to pool…

计算机视觉与模式识别 · 计算机科学 2016-08-22 Lan Wang , Chenqiang Gao , Jiang Liu , Deyu Meng

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

Early detection of colorectal polyps is of utmost importance for their treatment and for colorectal cancer prevention. Computer vision techniques have the potential to aid professionals in the diagnosis stage, where colonoscopies are…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Enric Moreu , Eric Arazo , Kevin McGuinness , Noel E. O'Connor

Colorectal cancer (CRC) is one of the most commonly diagnosed cancers and a leading cause of cancer deaths in the United States. Colorectal polyps that grow on the intima of the colon or rectum is an important precursor for CRC. Currently,…

图像与视频处理 · 电气工程与系统科学 2019-12-30 Xinzi Sun , Pengfei Zhang , Dechun Wang , Yu Cao , Benyuan Liu

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…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Wei Wang , Feng Jiang , Xin Wang

Visualizing colonoscopy is crucial for medical auxiliary diagnosis to prevent undetected polyps in areas that are not fully observed. Traditional feature-based and depth-based reconstruction approaches usually end up with undesirable…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Zhenhua Wu , Yanlin Jin , Liangdong Qiu , Xiaoguang Han , Xiang Wan , Guanbin Li

Recently, the amount of GI tract datasets is introduced more and more by gathering from contests and challenges. The most common task needs to solve that is to classify images from the GI tract into various classes. However, the…

图像与视频处理 · 电气工程与系统科学 2023-10-16 Tai Nguyen-D-P

Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries. For this, tracking the endoscope pose is a key component, but remains challenging due…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Michel Hayoz , Christopher Hahne , Mathias Gallardo , Daniel Candinas , Thomas Kurmann , Maximilian Allan , Raphael Sznitman

We propose a two-stage unsupervised approach for parsing videos into phases. We use motion cues to divide the video into coarse segments. Noisy segment labels are then used to weakly supervise an appearance-based classifier. We show the…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Ori Kelner , Or Weinstein , Ehud Rivlin , Roman Goldenberg

The advance of computer-aided detection systems using deep learning opened a new scope in endoscopic image analysis. However, the learning-based models developed on closed datasets are susceptible to unknown anomalies in complex clinical…

计算机视觉与模式识别 · 计算机科学 2022-12-26 Haoran Wang , Yan Zhu , Wenzheng Qin , Yizhe Zhang , Pinghong Zhou , Quanlin Li , Shuo Wang , Zhijian Song