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Performing a real-time and accurate instrument segmentation from videos is of great significance for improving the performance of robotic-assisted surgery. We identify two important clues for surgical instrument perception, including local…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Jiacheng Wang , Yueming Jin , Liansheng Wang , Shuntian Cai , Pheng-Ann Heng , Jing Qin

Automated surgical workflow analysis and understanding can assist surgeons to standardize procedures and enhance post-surgical assessment and indexing, as well as, interventional monitoring. Computer-assisted interventional (CAI) systems…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Odysseas Zisimopoulos , Evangello Flouty , Imanol Luengo , Petros Giataganas , Jean Nehme , Andre Chow , Danail Stoyanov

Purpose: Segmentation of surgical instruments in endoscopic videos is essential for automated surgical scene understanding and process modeling. However, relying on fully supervised deep learning for this task is challenging because manual…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Manish Sahu , Anirban Mukhopadhyay , Stefan Zachow

Traditional visual servoing methods suffer from serving between scenes from multiple perspectives, which humans can complete with visual signals alone. In this paper, we investigated how multi-perspective visual servoing could be solved…

Robotics · Computer Science 2023-12-27 Lei Zhang , Jiacheng Pei , Kaixin Bai , Zhaopeng Chen , Jianwei Zhang

When humans see a scene, they can roughly imagine the forces applied to objects based on their experience and use them to handle the objects properly. This paper considers transferring this "force-visualization" ability to robots. We…

Robotics · Computer Science 2023-04-13 Ryo Hanai , Yukiyasu Domae , Ixchel G. Ramirez-Alpizar , Bruno Leme , Tetsuya Ogata

Surgical tool localization is an essential task for the automatic analysis of endoscopic videos. In the literature, existing methods for tool localization, tracking and segmentation require training data that is fully annotated, thereby…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 Armine Vardazaryan , Didier Mutter , Jacques Marescaux , Nicolas Padoy

Deep learning methods for pansharpening have advanced rapidly, yet models pretrained on data from a specific sensor often generalize poorly to data from other sensors. Existing methods to tackle such cross-sensor degradation include…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Tianyu Xin , Jin-Liang Xiao , Zeyu Xia , Shan Yin , Liang-Jian Deng

This paper presents an approach to estimating the continuous 6-DoF pose of an object from a single RGB image. The approach combines semantic keypoints predicted by a convolutional network (convnet) with a deformable shape model. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Karl Schmeckpeper , Philip R. Osteen , Yufu Wang , Georgios Pavlakos , Kenneth Chaney , Wyatt Jordan , Xiaowei Zhou , Konstantinos G. Derpanis , Kostas Daniilidis

The introduction of neuroendoscopy, microneurosurgery, neuronavigation, and intraoperative imaging for surgical operations has made significant improvements over other traditionally invasive surgical techniques. The integration of magnetic…

Systems and Control · Electrical Eng. & Systems 2022-09-20 Martin Francis Phelan , Nihal Olcay Dogan , Jelena Lazovic , Metin Sitti

Deep reinforcement learning has shown its advantages in real-time decision-making based on the state of the agent. In this stage, we solved the task of using a real robot to manipulate the cube to a given trajectory. The task is broken down…

Robotics · Computer Science 2021-12-10 Qingfeng Yao , Jilong Wang , Shuyu Yang

In endoscopic surgery, surgeons continuously locate the endoscopic view relative to the anatomy by interpreting the evolving visual appearance of the intraoperative scene in the context of their prior knowledge. Vision-based navigation…

Recent successes in deep learning based deformable image registration (DIR) methods have demonstrated that complex deformation can be learnt directly from data while reducing computation time when compared to traditional methods. However,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Sharib Ali , Jens Rittscher

Robot-assisted surgical systems have demonstrated significant potential in enhancing surgical precision and minimizing human errors. However, existing systems cannot accommodate individual surgeons' unique preferences and requirements.…

Robotics · Computer Science 2024-08-13 Amr Gomaa , Bilal Mahdy , Niko Kleer , Antonio Krüger

Visual servoing enables robotic systems to perform accurate closed-loop control, which is required in many applications. However, existing methods either require precise calibration of the robot kinematic model and cameras or use neural…

Autonomous surgical execution relieves tedious routines and surgeon's fatigue. Recent learning-based methods, especially reinforcement learning (RL) based methods, achieve promising performance for dexterous manipulation, which usually…

Robotics · Computer Science 2021-08-31 Jiaqi Xu , Bin Li , Bo Lu , Yun-Hui Liu , Qi Dou , Pheng-Ann Heng

Computer-Assisted Intervention (CAI) has the potential to revolutionize modern surgery, with surgical scene understanding serving as a critical component in supporting decision-making, improving procedural efficacy, and ensuring…

Endoscopy plays a major role in identifying any underlying abnormalities within the gastrointestinal (GI) tract. There are multiple GI tract diseases that are life-threatening, such as precancerous lesions and other intestinal cancers. In…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Harshala Gammulle , Yubo Chen , Sridha Sridharan , Travis Klein , Clinton Fookes

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

We consider the problem of robotic grasping using depth + RGB information sampling from a real sensor. we design an encoder-decoder neural network to predict grasp policy in real time. This method can fuse the advantage of depth image and…

Robotics · Computer Science 2019-06-03 Song Yaoxian , Cheng Chun , Fei Yuejiao , Li Xiangqing , Yu Changbin

Open, or non-laparoscopic surgery, represents the vast majority of all operating room procedures, but few tools exist to objectively evaluate these techniques at scale. Current efforts involve human expert-based visual assessment. We…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Michael Zhang , Xiaotian Cheng , Daniel Copeland , Arjun Desai , Melody Y. Guan , Gabriel A. Brat , Serena Yeung
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