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In robot-assisted laparoscopic radical prostatectomy (RALP), the location of the instrument tip is important to register the ultrasound frame with the laparoscopic camera frame. A long-standing limitation is that the instrument tip position…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Zijian Wu , Shuojue Yang , Yueming Jin , Septimiu E Salcudean

Surgical tool segmentation in endoscopic images is the first step towards pose estimation and (sub-)task automation in challenging minimally invasive surgical operations. While many approaches in the literature have shown great results…

Robotics · Computer Science 2019-02-14 Cristian da Costa Rocha , Nicolas Padoy , Benoit Rosa

Purpose: Accurate identification of hepatocystic anatomy is critical to preventing surgical complications during laparoscopic cholecystectomy. Deep learning models often struggle with occlusions, long-range dependencies, and capturing the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Yihan Li , Nikhil Churamani , Maria Robu , Imanol Luengo , Danail Stoyanov

Semantic tool segmentation in surgical videos is important for surgical scene understanding and computer-assisted interventions as well as for the development of robotic automation. The problem is challenging because different illumination…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Emanuele Colleoni , Philip Edwards , Danail Stoyanov

Robot-assisted surgery has made significant progress, with instrument segmentation being a critical factor in surgical intervention quality. It serves as the building block to facilitate surgical robot navigation and surgical education for…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Hongqiu Wang , Lei Zhu , Guang Yang , Yike Guo , Shichen Zhang , Bo Xu , Yueming Jin

Automatic surgical gesture recognition is fundamentally important to enable intelligent cognitive assistance in robotic surgery. With recent advancement in robot-assisted minimally invasive surgery, rich information including surgical…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Yonghao Long , Jie Ying Wu , Bo Lu , Yueming Jin , Mathias Unberath , Yun-Hui Liu , Pheng Ann Heng , Qi Dou

Semantic segmentation of robotic instruments is an important problem for the robot-assisted surgery. One of the main challenges is to correctly detect an instrument's position for the tracking and pose estimation in the vicinity of surgical…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Alexey Shvets , Alexander Rakhlin , Alexandr A. Kalinin , Vladimir Iglovikov

Surgical instrument segmentation (SIS) on endoscopic images stands as a long-standing and essential task in the context of computer-assisted interventions for boosting minimally invasive surgery. Given the recent surge of deep learning…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Mingyu Sheng , Jianan Fan , Dongnan Liu , Ron Kikinis , Weidong Cai

Detection, tracking, and pose estimation of surgical instruments are crucial tasks for computer assistance during minimally invasive robotic surgery. In the majority of cases, the first step is the automatic segmentation of surgical tools.…

Computer Vision and Pattern Recognition · Computer Science 2017-03-28 Daniil Pakhomov , Vittal Premachandran , Max Allan , Mahdi Azizian , Nassir Navab

Accurate segmentation of blood vessels is essential for various clinical assessments and postoperative analyses. However, the inherent challenges of vascular imaging, such as sparsity, fine granularity, low contrast, data distribution…

Image and Video Processing · Electrical Eng. & Systems 2024-11-26 Dongning Song , Weijian Huang , Jiarun Liu , Md Jahidul Islam , Hao Yang , Shanshan Wang

This paper presents the Holistic and Multi-Granular Surgical Scene Understanding of Prostatectomies (GraSP) dataset, a curated benchmark that models surgical scene understanding as a hierarchy of complementary tasks with varying levels of…

Surgical instrument segmentation for robot-assisted surgery is needed for accurate instrument tracking and augmented reality overlays. Therefore, the topic has been the subject of a number of recent papers in the CAI community. Deep…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Megha Kalia , Tajwar Abrar Aleef , Nassir Navab , Septimiu E. Salcudean

Intraoperative segmentation and tracking of minimally invasive instruments is a prerequisite for computer- and robotic-assisted surgery. Since additional hardware like tracking systems or the robot encoders are cumbersome and lack accuracy,…

Learning to infer graph representations and performing spatial reasoning in a complex surgical environment can play a vital role in surgical scene understanding in robotic surgery. For this purpose, we develop an approach to generate the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Mobarakol Islam , Lalithkumar Seenivasan , Lim Chwee Ming , Hongliang Ren

Segmenting and recognizing surgical operation trajectories into distinct, meaningful gestures is a critical preliminary step in surgical workflow analysis for robot-assisted surgery. This step is necessary for facilitating learning from…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Zhili Yuan , Jialin Lin , Dandan Zhang

Manual segmentation of medical images (e.g., segmenting tumors in CT scans) is a high-effort task that can be accelerated with machine learning techniques. However, selecting the right segmentation approach depends on the evaluation…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Seyed M. R. Modaresi , Aomar Osmani , Mohammadreza Razzazi , Abdelghani Chibani

The precise delineation of blood vessels in medical images is critical for many clinical applications, including pathology detection and surgical planning. However, fully-automated vascular segmentation is challenging because of the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Amine Sadikine , Bogdan Badic , Enzo Ferrante , Vincent Noblet , Pascal Ballet , Dimitris Visvikis , Pierre-Henri Conze

Recorded videos from surgeries have become an increasingly important information source for the field of medical endoscopy, since the recorded footage shows every single detail of the surgery. However, while video recording is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Sabrina Kletz , Klaus Schoeffmann , Jenny Benois-Pineau , Heinrich Husslein

In this paper, we propose a novel text promptable surgical instrument segmentation approach to overcome challenges associated with diversity and differentiation of surgical instruments in minimally invasive surgeries. We redefine the task…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Zijian Zhou , Oluwatosin Alabi , Meng Wei , Tom Vercauteren , Miaojing Shi

Although the preservation of shape continuity and physiological anatomy is a natural assumption in the segmentation of medical images, it is often neglected by deep learning methods that mostly aim for the statistical modeling of input data…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Yousef Yeganeh , Azade Farshad , Goktug Guevercin , Amr Abu-zer , Rui Xiao , Yongjian Tang , Ehsan Adeli , Nassir Navab
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