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Colonoscopy is the tool of choice for preventing Colorectal Cancer, by detecting and removing polyps before they become cancerous. However, colonoscopy is hampered by the fact that endoscopists routinely miss 22-28% of polyps. While some of…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Daniel Freedman , Yochai Blau , Liran Katzir , Amit Aides , Ilan Shimshoni , Danny Veikherman , Tomer Golany , Ariel Gordon , Greg Corrado , Yossi Matias , Ehud Rivlin

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

Current polyp detection methods from colonoscopy videos use exclusively normal (i.e., healthy) training images, which i) ignore the importance of temporal information in consecutive video frames, and ii) lack knowledge about the polyps.…

计算机视觉与模式识别 · 计算机科学 2022-05-19 Yu Tian , Guansong Pang , Fengbei Liu , Yuyuan Liu , Chong Wang , Yuanhong Chen , Johan W Verjans , Gustavo Carneiro

Deep learning has in recent years achieved immense success in all areas of computer vision and has the potential of assisting medical doctors in analyzing visual content for disease and other abnormalities. However, the current state of…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Steven Hicks , Andrea Storås , Michael Riegler , Cise Midoglu , Malek Hammou , Thomas de Lange , Sravanthi Parasa , Pål Halvorsen , Inga Strümke

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…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Ziang Xu , Jens Rittscher , Sharib Ali

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…

Prevalence of gastrointestinal (GI) cancer is growing alarmingly every year leading to a substantial increase in the mortality rate. Endoscopic detection is providing crucial diagnostic support, however, subtle lesions in upper and lower GI…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Pedro E. Chavarrias-Solanon , Mansoor Ali-Teevno , Gilberto Ochoa-Ruiz , Sharib Ali

Computer-aided detection, localisation, and segmentation methods can help improve colonoscopy procedures. Even though many methods have been built to tackle automatic detection and segmentation of polyps, benchmarking of state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Debesh Jha , Sharib Ali , Nikhil Kumar Tomar , Håvard D. Johansen , Dag D. Johansen , Jens Rittscher , Michael A. Riegler , Pål Halvorsen

Computer-aided polyp detection (CADe) is becoming a standard, integral part of any modern colonoscopy system. A typical colonoscopy CADe detects a polyp in a single frame and does not track it through the video sequence. Yet, many…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Yotam Intrator , Natalie Aizenberg , Amir Livne , Ehud Rivlin , Roman Goldenberg

Colorectal polyps are generally benign alterations that, if not identified promptly and managed successfully, can progress to cancer and cause affectations on the colon mucosa, known as adenocarcinoma. Today advances in Deep Learning have…

图像与视频处理 · 电气工程与系统科学 2025-01-22 Daniela L. Ramos , Hector J. Hortua

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

Rapid diagnosis of gastric cancer is a great challenge for clinical doctors. Dramatic progress of computer vision on gastric cancer has been made recently and this review focuses on advances during the past five years. Different methods for…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Yihua Sun

In the gastrointestinal (GI) tract endoscopy field, ingestible wireless capsule endoscopy is emerging as a novel, minimally invasive diagnostic technology for inspection of the GI tract and diagnosis of a wide range of diseases and…

计算机视觉与模式识别 · 计算机科学 2017-05-19 Mehmet Turan , Yusuf Yigit Pilavci , Redhwan Jamiruddin , Helder Araujo , Ender Konukoglu , Metin Sitti

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…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Kaini Wang , Haolin Wang , Guang-Quan Zhou , Yangang Wang , Ling Yang , Yang Chen , Shuo Li

Colorectal cancer screening through colonoscopy continues to be the dominant global standard, as it allows identifying pre-cancerous or adenomatous lesions and provides the ability to remove them during the procedure itself. Nevertheless,…

计算机视觉与模式识别 · 计算机科学 2023-06-08 Netanel Frank , Erez Posner , Emmanuelle Muhlethaler , Adi Zholkover , Moshe Bouhnik

Objective: Depth estimation is crucial for endoscopic navigation and manipulation, but obtaining ground-truth depth maps in real clinical scenarios, such as the colon, is challenging. This study aims to develop a robust framework that…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Sijia Du , Chengfeng Zhou , Suncheng Xiang , Jianwei Xu , Dahong Qian

Colorectal cancer (CRC) remains a leading cause of cancer-related mortality, underscoring the importance of timely polyp detection and diagnosis. While deep learning models have improved optical-assisted diagnostics, they often demand…

信息检索 · 计算机科学 2025-07-24 Ruijie Yang , Yan Zhu , Peiyao Fu , Yizhe Zhang , Zhihua Wang , Quanlin Li , Pinghong Zhou , Xian Yang , Shuo Wang

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…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Zhuoyu Wu , Wenhui Ou , Lexi Zhang , Pei-Sze Tan , Dongjun Wu , Junhe Zhao , Wenqi Fang , Raphaël C. -W. Phan

Endoluminal endoscopic procedures are essential for diagnosing colorectal cancer and other severe conditions in the digestive tract, urogenital system, and airways. 3D reconstruction and novel-view synthesis from endoscopic images are…

Accurate segmentation of polyps in colonoscopy images is essential for early-stage diagnosis and management of colorectal cancer. Despite advancements in deep learning for polyp segmentation, enduring limitations persist. The edges of…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Mengqi Lei , Xin Wang