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相关论文: Motion-Boundary-Driven Unsupervised Surgical Instr…

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Recent work in unsupervised multi-object segmentation shows impressive results by predicting motion from a single image despite the inherent ambiguity in predicting motion without the next image. On the other hand, the set of possible…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Sadra Safadoust , Fatma Güney

We consider the task of semi-supervised video object segmentation (VOS). Our approach mitigates shortcomings in previous VOS work by addressing detail preservation and temporal consistency using visual warping. In contrast to prior work…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Julia Gong , F. Christopher Holsinger , Serena Yeung

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,…

Traditional unsupervised optical flow methods are vulnerable to occlusions and motion boundaries due to lack of object-level information. Therefore, we propose UnSAMFlow, an unsupervised flow network that also leverages object information…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Shuai Yuan , Lei Luo , Zhuo Hui , Can Pu , Xiaoyu Xiang , Rakesh Ranjan , Denis Demandolx

Holistic surgical scene segmentation in robot-assisted surgery (RAS) enables surgical residents to identify various anatomical tissues, articulated tools, and critical structures, such as veins and vessels. Given the firm intraoperative…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Fatimaelzahraa Ahmed , Muraam Abdel-Ghani , Muhammad Arsalan , Mahmoud Ali , Abdulaziz Al-Ali , Shidin Balakrishnan

Robot-assisted surgery is an emerging technology which has undergone rapid growth with the development of robotics and imaging systems. Innovations in vision, haptics and accurate movements of robot arms have enabled surgeons to perform…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Mobarakol Islam , Daniel A. Atputharuban , Ravikiran Ramesh , Hongliang Ren

Precisely locating and segmenting medical instruments in images of minimally invasive surgeries, medical instrument segmentation, is an essential first step for several tasks in medical image processing. However, image degradations, small…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Christian Wilms , Alexander Michael Gerlach , Rüdiger Schmitz , Simone Frintrop

The growing popularity of robotic minimally invasive surgeries has made deep learning-based surgical training a key area of research. A thorough understanding of the surgical scene components is crucial, which semantic segmentation models…

图像与视频处理 · 电气工程与系统科学 2025-10-31 Muraam Abdel-Ghani , Mahmoud Ali , Mohamed Ali , Fatmaelzahraa Ahmed , Muhammad Arsalan , Abdulaziz Al-Ali , Shidin Balakrishnan

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…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Alexey Shvets , Alexander Rakhlin , Alexandr A. Kalinin , Vladimir Iglovikov

Unsupervised video object segmentation (VOS), also known as video salient object detection, aims to detect the most prominent object in a video at the pixel level. Recently, two-stream approaches that leverage both RGB images and optical…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Suhwan Cho , Minhyeok Lee , Jungho Lee , Donghyeong Kim , Seunghoon Lee , Sungmin Woo , Sangyoun Lee

We present IMAS, a method that segments the primary objects in videos without manual annotation in training or inference. Previous methods in unsupervised video object segmentation (UVOS) have demonstrated the effectiveness of motion as…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Long Lian , Zhirong Wu , Stella X. Yu

Generic Event Boundary Detection (GEBD) task aims to recognize generic, taxonomy-free boundaries that segment a video into meaningful events. Current methods typically involve a neural model trained on a large volume of data, demanding…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Sourabh Vasant Gothe , Vibhav Agarwal , Sourav Ghosh , Jayesh Rajkumar Vachhani , Pranay Kashyap , Barath Raj Kandur Raja

Object segmentation plays an important role in the modern medical image analysis, which benefits clinical study, disease diagnosis, and surgery planning. Given the various modalities of medical images, the automated or semi-automated…

图像与视频处理 · 电气工程与系统科学 2020-06-01 Dong Yang , Holger Roth , Xiaosong Wang , Ziyue Xu , Andriy Myronenko , Daguang Xu

Data diversity and volume are crucial to the success of training deep learning models, while in the medical imaging field, the difficulty and cost of data collection and annotation are especially huge. Specifically in robotic surgery, data…

计算机视觉与模式识别 · 计算机科学 2022-07-08 An Wang , Mobarakol Islam , Mengya Xu , Hongliang Ren

In this work we propose a one-class self-supervised method for anomaly segmentation in images that benefits both from a modern machine learning approach and a more classic statistical detection theory. The method consists of four phases.…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Matías Tailanian , Álvaro Pardo , Pablo Musé

Surgical tool detection is essential for analyzing and evaluating minimally invasive surgery videos. Current approaches are mostly based on supervised methods that require large, fully instance-level labels (i.e., bounding boxes). However,…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Ryo Fujii , Ryo Hachiuma , Hideo Saito

Surgical image segmentation is essential for robot-assisted surgery and intraoperative guidance. However, existing methods are constrained to predefined categories, produce one-shot predictions without adaptive refinement, and lack…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Ange Lou , Yamin Li , Qi Chang , Nan Xi , Luyuan Xie , Zichao Li , Tianyu Luan

Image segmentation is a complex mathematical problem, especially for images that contain intensity inhomogeneity and tightly packed objects with missing boundaries in between. For instance, Magnetic Resonance (MR) muscle images often…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Paramjyoti Mohapatra , Richard Lartey , Weihong Guo , Michael Judkovich , Xiaojuan Li

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…

计算机视觉与模式识别 · 计算机科学 2021-03-03 Manish Sahu , Anirban Mukhopadhyay , Stefan Zachow

Unsupervised video object segmentation aims to segment a target object in the video without a ground truth mask in the initial frame. This challenging task requires extracting features for the most salient common objects within a video…

计算机视觉与模式识别 · 计算机科学 2022-09-09 Minhyeok Lee , Suhwan Cho , Seunghoon Lee , Chaewon Park , Sangyoun Lee