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Automatic polyp segmentation has proven to be immensely helpful for endoscopy procedures, reducing the missing rate of adenoma detection for endoscopists while increasing efficiency. However, classifying a polyp as being neoplasm or not and…

Image and Video Processing · Electrical Eng. & Systems 2021-07-13 Phan Ngoc Lan , Nguyen Sy An , Dao Viet Hang , Dao Van Long , Tran Quang Trung , Nguyen Thi Thuy , Dinh Viet Sang

Tracking and localizing objects is a central problem in computer-assisted surgery. Optical coherence tomography (OCT) can be employed as an optical tracking system, due to its high spatial and temporal resolution. Recently, 3D convolutional…

Image and Video Processing · Electrical Eng. & Systems 2020-07-03 Marcel Bengs , Nils Gessert , Alexander Schlaefer

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

Convolutional neural networks (CNNs) have gained significant popularity in orthopedic imaging in recent years due to their ability to solve fracture classification problems. A common criticism of CNNs is their opaque learning and reasoning…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Zhibin Liao , Kewen Liao , Haifeng Shen , Marouska F. van Boxel , Jasper Prijs , Ruurd L. Jaarsma , Job N. Doornberg , Anton van den Hengel , Johan W. Verjans

Monocular visual simultaneous localization and mapping (V-SLAM) is nowadays an irreplaceable tool in mobile robotics and augmented reality, where it performs robustly. However, human colonoscopies pose formidable challenges like occlusions,…

Robotics · Computer Science 2024-05-28 Richard Elvira , Juan D. Tardós , José M. M. Montiel

Video capsule endoscopy is a hot topic in computer vision and medicine. Deep learning can have a positive impact on the future of video capsule endoscopy technology. It can improve the anomaly detection rate, reduce physicians' time for…

Image and Video Processing · Electrical Eng. & Systems 2022-06-17 Abhishek Srivastava , Nikhil Kumar Tomar , Ulas Bagci , Debesh Jha

Loop closure detection (LCD) is an indispensable part of simultaneous localization and mapping systems (SLAM); it enables robots to produce a consistent map by recognizing previously visited places. When robots operate over extended…

Robotics · Computer Science 2017-04-18 Dongdong Bai , Chaoqun Wang , Bo Zhang , Xiaodong Yi , Xuejun Yang

Automatic colorectal polyp detection in colonoscopy video is a fundamental task, which has received a lot of attention. Manually annotating polyp region in a large scale video dataset is time-consuming and expensive, which limits the…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Zhi-Qin Zhan , Huazhu Fu , Yan-Yao Yang , Jingjing Chen , Jie Liu , Yu-Gang Jiang

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…

Image and Video Processing · Electrical Eng. & Systems 2023-04-18 Ricardo Espinosa , Carlos Axel Garcia-Vega , Gilberto Ochoa-Ruiz , Dominique Lamarque , Christian Daul

We introduce ColonSLAM, a system that combines classical multiple-map metric SLAM with deep features and topological priors to create topological maps of the whole colon. The SLAM pipeline by itself is able to create disconnected individual…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Javier Morlana , Juan D. Tardós , José M. M. Montiel

Segmentation of histopathology sections is an ubiquitous requirement in digital pathology and due to the large variability of biological tissue, machine learning techniques have shown superior performance over standard image processing…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Philipp Kainz , Michael Pfeiffer , Martin Urschler

Ulcerative colitis (UC) classification, which is an important task for endoscopic diagnosis, involves two main difficulties. First, endoscopic images with the annotation about UC (positive or negative) are usually limited. Second, they show…

Image and Video Processing · Electrical Eng. & Systems 2023-03-03 Shota Harada , Ryoma Bise , Hideaki Hayashi , Kiyohito Tanaka , Seiichi Uchida

Purpose: This proof-of-concept study evaluates feasibility and accuracy of an ultrasound-based navigation system for open liver surgery. Unlike most conventional systems that rely on registration to preoperative imaging, the proposed system…

Image and Video Processing · Electrical Eng. & Systems 2025-11-03 Karin Olthof , Theo Ruers , Tiziano Natali , Lisanne Venix , Jasper Smit , Anne den Hartor , Niels Kok , Matteo Fusaglia , Koert Kuhlmann

Accurate 3D reconstruction of colonoscopy data, accounting for complex peristaltic movements, is crucial for advanced surgical navigation and retrospective diagnostics. While recent novel view synthesis and 3D reconstruction methods have…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Weronika Smolak-Dyżewska , Joanna Kaleta , Diego Dall'Alba , Przemysław Spurek

Colorectal Cancer(CRC) poses a great risk to public health. It is the third most common cause of cancer in the US. Development of colorectal polyps is one of the earliest signs of cancer. Early detection and resection of polyps can greatly…

Image and Video Processing · Electrical Eng. & Systems 2021-10-19 Debayan Bhattacharya , Christian Betz , Dennis Eggert , Alexander Schlaefer

Colonoscopy is still the main method of detection and segmentation of colonic polyps, and recent advancements in deep learning networks such as U-Net, ResUNet, Swin-UNet, and PraNet have made outstanding performance in polyp segmentation.…

Image and Video Processing · Electrical Eng. & Systems 2025-08-14 Madan Baduwal

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

Video capsule endoscopy (VCE) is used widely nowadays for visualizing the gastrointestinal (GI) tract. Capsule endoscopy exams are prescribed usually as an additional monitoring mechanism and can help in identifying polyps, bleeding, etc.…

Computer Vision and Pattern Recognition · Computer Science 2017-01-03 V. B. Surya Prasath

Intracoronary Optical Coherence Tomography (OCT) enables high-resolution visualization of coronary vessel anatomy but presents challenges due to noise, imaging artifacts, and complex tissue structures. This paper proposes a fully automated…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Amal Lahchim , Lambros Athanasiou

Controllable medical video generation has achieved remarkable progress, but it still lacks interpretability, which requires the alignment of generated contents with physical priors and faithful clinical manifestations. To push the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Junhu Fu , Ke Chen , Weidong Guo , Shuyu Liang , Jie Xu , Chen Ma , Kehao Wang , Shengli Lin , Zeju Li , Yuanyuan Wang , Yi Guo , Shuo Li