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Accurate endoscope pose estimation and 3D tissue surface reconstruction significantly enhances monocular minimally invasive surgical procedures by enabling accurate navigation and improved spatial awareness. However, monocular endoscope…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Muzammil Khan , Enzo Kerkhof , Matteo Fusaglia , Koert Kuhlmann , Theo Ruers , Françoise J. Siepel

3D reconstruction of biological tissues from a collection of endoscopic images is a key to unlock various important downstream surgical applications with 3D capabilities. Existing methods employ various advanced neural rendering techniques…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Chenxin Li , Brandon Y. Feng , Yifan Liu , Hengyu Liu , Cheng Wang , Weihao Yu , Yixuan Yuan

Multi-map Sparse Monocular visual Simultaneous Localization and Mapping applied to monocular endoscopic sequences has proven efficient to robustly recover tracking after the frequent losses in endoscopy due to motion blur, temporal…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 X. Anadón , Javier Rodríguez-Puigvert , J. M. M. Montiel

Colorectal cancer is one of the most common cancers in the world. While colonoscopy is an effective screening technique, navigating an endoscope through the colon to detect polyps is challenging. A 3D map of the observed surfaces could…

Essential for improving the accuracy and reliability of bowel cancer screening, three-dimensional (3D) surface reconstruction using capsule endoscopy (CE) images remains challenging due to CE hardware and software limitations. This report…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Olivier Rukundo

We present a self-supervised learning-based pipeline for dense 3D reconstruction from full-length monocular endoscopic videos without a priori modeling of anatomy or shading. Our method only relies on unlabeled monocular endoscopic videos…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Xingtong Liu , Ayushi Sinha , Masaru Ishii , Gregory D. Hager , Russell H. Taylor , Mathias Unberath

Due to its non-invasive and painless characteristics, wireless capsule endoscopy has become the new gold standard for assessing gastrointestinal disorders. Omissions, however, could occur throughout the examination since controlling capsule…

Robotics · Computer Science 2023-05-19 Yameng Zhang , Long Bai , Li Liu , Hongliang Ren , Max Q. -H. Meng

Estimating precise metric depth and scene reconstruction from monocular endoscopy is a fundamental task for surgical navigation in robotic surgery. However, traditional stereo matching adopts binocular images to perceive the depth…

Robotics · Computer Science 2022-11-29 Ruofeng Wei , Bin Li , Hangjie Mo , Fangxun Zhong , Yonghao Long , Qi Dou , Yun-Hui Liu , Dong Sun

Humans effortlessly integrate common-sense knowledge with sensory input from vision and touch to understand their surroundings. Emulating this capability, we introduce FusionSense, a novel 3D reconstruction framework that enables robots to…

Robotics · Computer Science 2024-10-14 Irving Fang , Kairui Shi , Xujin He , Siqi Tan , Yifan Wang , Hanwen Zhao , Hung-Jui Huang , Wenzhen Yuan , Chen Feng , Jing Zhang

Accurate and affordable indoor 3D reconstruction is critical for effective robot navigation and interaction. Traditional LiDAR-based mapping provides high precision but is costly, heavy, and power-intensive, with limited ability for novel…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Lu Chen , Yingfu Zeng , Haoang Li , Zhitao Deng , Jiafu Yan , Zhenjun Zhao

Precise camera tracking, high-fidelity 3D tissue reconstruction, and real-time online visualization are critical for intrabody medical imaging devices such as endoscopes and capsule robots. However, existing SLAM (Simultaneous Localization…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Kailing Wang , Chen Yang , Yuehao Wang , Sikuang Li , Yan Wang , Qi Dou , Xiaokang Yang , Wei Shen

High-quality 3D reconstruction of pulmonary segments plays a crucial role in segmentectomy and surgical planning for the treatment of lung cancer. Due to the resolution requirement of the target reconstruction, conventional deep…

Graphics · Computer Science 2025-12-16 Kangxian Xie , Yufei Zhu , Kaiming Kuang , Li Zhang , Hongwei Bran Li , Mingchen Gao , Jiancheng Yang

Complete reconstruction of surgical scenes is crucial for robot-assisted surgery (RAS). Deep depth estimation is promising but existing works struggle with depth discontinuities, resulting in noisy predictions at object boundaries and do…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Xu Wang , Shuai Zhang , Baoru Huang , Danail Stoyanov , Evangelos B. Mazomenos

Endoluminal surgery offers a minimally invasive option for early-stage gastrointestinal and urinary tract cancers but is limited by surgical tools and a steep learning curve. Robotic systems, particularly continuum robots, provide flexible…

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

Three-dimensional transesophageal echocardiography (3DTEE) is the recommended imaging technique for the assessment of mitral valve (MV) morphology and lesions in case of mitral regurgitation (MR) requiring surgical or transcatheter repair.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Riccardo Munafò , Simone Saitta , Giacomo Ingallina , Paolo Denti , Francesco Maisano , Eustachio Agricola , Alberto Redaelli , Emiliano Votta

Capsule endoscopes, predominantly serving diagnostic functions, provide lucid internal imagery but are devoid of surgical or therapeutic capabilities. Consequently, despite lesion detection, physicians frequently resort to traditional…

Medical Physics · Physics 2024-05-14 Sishen Yuan , Guang Li , Baijia Liang , Lailu Li , Qingzhuo Zheng , Shuang Song , Zhen Li , Hongliang Ren

Background: This protocol introduces an ultrasound (US) configuration for whole-body 3D dynamic contrast-enhanced ultrasound (DCE-US) imaging in preclinical applications. The set-up relies on a clinical abdominal matrix US probe to enable…

In perioperative care, precise in-bed 3D patient pose and shape estimation (PSE) can be vital in optimizing patient positioning in preoperative planning, enabling accurate overlay of medical images for augmented reality-based surgical…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Mingxiao Tu , Hoijoon Jung , Alireza Moghadam , Jineel Raythatha , Lachlan Allan , Jeremy Hsu , Andre Kyme , Jinman Kim

Robotic-assisted surgery allows surgeons to conduct precise surgical operations with stereo vision and flexible motor control. However, the lack of 3D spatial perception limits situational awareness during procedures and hinders mastering…

Image and Video Processing · Electrical Eng. & Systems 2022-03-07 Shang Zhao , Ce Wang , Qiyuan Wang , Yanzhe Liu , S Kevin Zhou