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Following the successful debut of polyp detection and characterization, more advanced automation tools are being developed for colonoscopy. The new automation tasks, such as quality metrics or report generation, require understanding of the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Ori Kelner , Or Weinstein , Ehud Rivlin , Roman Goldenberg

Capsule endoscopy is a novel and non-invasive method for diagnosis, which assists gastroenterologists to monitor the digestive track. Although this new technology has many advantages over the conventional endoscopy, there are weaknesses…

Image and Video Processing · Electrical Eng. & Systems 2018-01-01 Mohammad Amin Khorsandi , Nader Karimi , Shadrokh Samavi

Tracking the pose of instruments is a central problem in image-guided surgery. For microscopic scenarios, optical coherence tomography (OCT) is increasingly used as an imaging modality. OCT is suitable for accurate pose estimation due to…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Nils Gessert , Matthias Schlüter , Alexander Schlaefer

Colorectal cancer from the appearance of polyps that can be benign or malignant is one of the most fatal diseases in the world. To find these polyps in patients, colonoscopy is performed, which is a very efficient technique in this case.…

Image and Video Processing · Electrical Eng. & Systems 2021-03-30 Marcus V. L. Branch , Adriele S. Carvalho

Colorectal cancer (CRC) is a common and lethal disease. Globally, CRC is the third most commonly diagnosed cancer in males and the second in females. For colorectal cancer, the best screening test available is the colonoscopy. During a…

Image and Video Processing · Electrical Eng. & Systems 2019-09-27 Dechun Wang , Ning Zhang , Xinzi Sun , Pengfei Zhang , Chenxi Zhang , Yu Cao , Benyuan Liu

Endoscopic examinations are used to inspect the throat, stomach and bowel for polyps which could develop into cancer. Machine learning systems can be trained to process colonoscopy images and detect polyps. However, these systems tend to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-02 Daniel C. Ohrenstein , Patrick Brandao , Daniel Toth , Laurence Lovat , Danail Stoyanov , Peter Mountney

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…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Idan Kligvasser , George Leifman , Roman Goldenberg , Ehud Rivlin , Michael Elad

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

Computer tomographic colonography, combined with computer-aided detection, is a promising emerging technique for colonic polyp analysis. We present a complete pipeline for polyp detection, starting with a simple colon segmentation technique…

Computer Vision and Pattern Recognition · Computer Science 2012-10-01 Marcelo Fiori , Pablo Musé , Guillermo Sapiro

Deep learning based neural networks have gained popularity for a variety of biomedical imaging applications. In the last few years several works have shown the use of these methods for colon cancer detection and the early results have been…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Chandana Raju , Sumedh Vilas Datar , Kushala Hari , Kavin Vijay , Suma Ningappa

Medical endoscopy remains a challenging application for simultaneous localization and mapping (SLAM) due to the sparsity of image features and size constraints that prevent direct depth-sensing. We present a SLAM approach that incorporates…

Image and Video Processing · Electrical Eng. & Systems 2019-07-02 Richard J. Chen , Taylor L. Bobrow , Thomas Athey , Faisal Mahmood , Nicholas J. Durr

Assessing tumor response to systemic therapies is one of the main applications of PET/CT. Routinely, only a small subset of index lesions out of multiple lesions is analyzed. However, this operator dependent selection may bias the results…

Accurate segmentation of polyps from colonoscopy images is crucial for the early diagnosis and treatment of colorectal cancer. Most existing deep learning-based polyp segmentation methods adopt an Encoder-Decoder architecture, and some…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Desheng Li , Chaoliang Liu , Zhiyong Xiao

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…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Michel Hayoz , Christopher Hahne , Mathias Gallardo , Daniel Candinas , Thomas Kurmann , Maximilian Allan , Raphael Sznitman

Colonoscopy videos provide richer information in polyp segmentation for rectal cancer diagnosis. However, the endoscope's fast moving and close-up observing make the current methods suffer from large spatial incoherence and continuous…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Qiang Hu , Zhenyu Yi , Ying Zhou , Fang Peng , Mei Liu , Qiang Li , Zhiwei Wang

Medical image segmentation is the technique that helps doctor view and has a precise diagnosis, particularly in Colorectal Cancer. Specifically, with the increase in cases, the diagnosis and identification need to be faster and more…

Image and Video Processing · Electrical Eng. & Systems 2023-06-16 Trong-Hieu Nguyen Mau , Quoc-Huy Trinh , Nhat-Tan Bui , Minh-Triet Tran , Hai-Dang Nguyen

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…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Baoru Huang , Yida Wang , Anh Nguyen , Daniel Elson , Francisco Vasconcelos , Danail Stoyanov

Objective: The computation of anatomical information and laparoscope position is a fundamental block of surgical navigation in Minimally Invasive Surgery (MIS). Recovering a dense 3D structure of surgical scene using visual cues remains a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Ruofeng Wei , Bin Li , Hangjie Mo , Bo Lu , Yonghao Long , Bohan Yang , Qi Dou , Yunhui Liu , Dong Sun

Automatic segmentation of abdomen organs using medical imaging has many potential applications in clinical workflows. Recently, the state-of-the-art performance for organ segmentation has been achieved by deep learning models, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2019-10-16 Jinzheng Cai , Yingda Xia , Dong Yang , Daguang Xu , Lin Yang , Holger Roth

In this study, toward addressing the over-confident outputs of existing artificial intelligence-based colorectal cancer (CRC) polyp classification techniques, we propose a confidence-calibrated residual neural network. Utilizing a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Siddhartha Kapuria , Tarunraj G. Mohanraj , Nethra Venkatayogi , Ozdemir Can Kara , Yuki Hirata , Patrick Minot , Ariel Kapusta , Naruhiko Ikoma , Farshid Alambeigi
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