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Online surgical phase recognition has drawn great attention most recently due to its potential downstream applications closely related to human life and health. Despite deep models have made significant advances in capturing the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Yufei Li , Jirui Wu , Long Tian , Liming Wang , Xiaonan Liu , Zijun Liu , Xiyang Liu

Laparoscopic Field of View (FOV) control is one of the most fundamental and important components in Minimally Invasive Surgery (MIS), nevertheless, the traditional manual holding paradigm may easily bring fatigue to surgical assistants, and…

Robotics · Computer Science 2021-09-23 Bin Li , Bo Lu , Yiang Lu , Qi Dou , Yun-Hui Liu

Procedure planning requires a model to predict a sequence of actions that transform a start visual observation into a goal in instructional videos. While most existing methods rely primarily on visual observations as input, they often…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Lei Shi , Victor Aregbede , Andreas Persson , Martin Längkvist , Amy Loutfi , Stephanie Lowry

Video streaming often requires transcoding content into different resolutions and bitrates to match the recipient's internet speed and screen capabilities. Video encoders like x264 offer various presets, each with different tradeoffs…

We present a novel method for intraoperative patient-to-image registration by learning Expected Appearances. Our method uses preoperative imaging to synthesize patient-specific expected views through a surgical microscope for a predicted…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Nazim Haouchine , Reuben Dorent , Parikshit Juvekar , Erickson Torio , William M. Wells , Tina Kapur , Alexandra J. Golby , Sarah Frisken

Surgical video datasets are essential for scene understanding, enabling procedural modeling and intra-operative support. However, these datasets are often heavily imbalanced, with rare actions and tools under-represented, which limits the…

Quantitative Methods · Quantitative Biology 2025-10-10 Danush Kumar Venkatesh , Adam Schmidt , Muhammad Abdullah Jamal , Omid Mohareri

Surgical phase recognition is a fundamental task in computer-assisted surgery systems. Most existing works are under the supervision of expensive and time-consuming full annotations, which require the surgeons to repeat watching videos to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Xinpeng Ding , Xinjian Yan , Zixun Wang , Wei Zhao , Jian Zhuang , Xiaowei Xu , Xiaomeng Li

Understanding the structure of complex activities in untrimmed videos is a challenging task in the area of action recognition. One problem here is that this task usually requires a large amount of hand-annotated minute- or even hour-long…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Rosaura G. VidalMata , Walter J. Scheirer , Anna Kukleva , David Cox , Hilde Kuehne

Reconstructing the scene of robotic surgery from the stereo endoscopic video is an important and promising topic in surgical data science, which potentially supports many applications such as surgical visual perception, robotic surgery…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Yonghao Long , Zhaoshuo Li , Chi Hang Yee , Chi Fai Ng , Russell H. Taylor , Mathias Unberath , Qi Dou

Background Analyzing kinematic and video data can help identify potentially erroneous motions that lead to sub-optimal surgeon performance and safety-critical events in robot-assisted surgery. Methods We develop a rubric for identifying…

Robotics · Computer Science 2023-01-20 Kay Hutchinson , Zongyu Li , Leigh A. Cantrell , Noah S. Schenkman , Homa Alemzadeh

Predicting surgical needle trajectories from endoscopic video is critical for robot-assisted suturing, enabling anticipatory planning, real-time guidance, and safer motion execution. Existing methods that directly learn motion distributions…

Robotics · Computer Science 2026-05-19 Huanrong Liu , Chunlin Tian , Tongyu Jia , Tailai Zhou , Qin Liu , Yu Gao , Yutong Ban , Yun Gu , Guy Rosman , Xin Ma , Qingbiao Li

State-of-the-art machine learning models, and especially deep learning ones, are significantly data-hungry; they require vast amounts of manually labeled samples to function correctly. However, in most medical imaging fields, obtaining said…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Guillem Pascual , Pablo Laiz , Albert García , Hagen Wenzek , Jordi Vitrià , Santi Seguí

Surgical videos captured from microscopic or endoscopic imaging devices are rich but complex sources of information, depicting different tools and anatomical structures utilized during an extended amount of time. Despite containing crucial…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Felix Holm , Ghazal Ghazaei , Tobias Czempiel , Ege Özsoy , Stefan Saur , Nassir Navab

Minimally invasive surgery can benefit significantly from automated surgical tool detection, enabling advanced analysis and assistance. However, the limited availability of annotated data in surgical settings poses a challenge for training…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Ana Davila , Jacinto Colan , Yasuhisa Hasegawa

Video quality assessment is a challenging problem having a critical significance in the context of medical imaging. For instance, in laparoscopic surgery, the acquired video data suffers from different kinds of distortion that not only…

Image and Video Processing · Electrical Eng. & Systems 2022-09-20 Zohaib Amjad Khan , Azeddine Beghdadi , Mounir Kaaniche , Faouzi Alaya Cheikh , Osama Gharbi

Purpose: The objective of this investigation is to provide a comprehensive analysis of state-of-the-art methods for video-based assessment of surgical skill in the operating room. Methods: Using a data set of 99 videos of capsulorhexis, a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Sanchit Hira , Digvijay Singh , Tae Soo Kim , Shobhit Gupta , Gregory Hager , Shameema Sikder , S. Swaroop Vedula

Objective: Predicting length of stay after elective spine surgery is essential for optimizing patient outcomes and hospital resource use. This systematic review synthesizes computational methods used to predict length of stay in this…

Machine Learning · Computer Science 2026-02-04 Ha Na Cho , Seungmin Jeong , Yawen Guo , Alexander Lopez , Hansen Bow , Kai Zheng

Recording the open surgery process is essential for educational and medical evaluation purposes; however, traditional single-camera methods often face challenges such as occlusions caused by the surgeon's head and body, as well as…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Xinyu Liu , Xiaoguang Lin , Xiang Liu , Yong Yang , Hongqian Wang , Qilong Sun

Endoscopic depth estimation is a critical technology for improving the safety and precision of minimally invasive surgery. It has attracted considerable attention from researchers in medical imaging, computer vision, and robotics. Over the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Ke Niu , Zeyun Liu , Xue Feng , Heng Li , Qika Lin , Kaize Shi

Phase recognition plays an essential role for surgical workflow analysis in computer assisted intervention. Transformer, originally proposed for sequential data modeling in natural language processing, has been successfully applied to…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Xiaoyang Zou , Wenyong Liu , Junchen Wang , Rong Tao , Guoyan Zheng
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