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The Segment Anything Model (SAM) exhibits promise in generic object segmentation and offers potential for various applications. Existing methods have applied SAM to surgical instrument segmentation (SIS) by tuning SAM-based frameworks with…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Wenxi Yue , Jing Zhang , Kun Hu , Qiuxia Wu , Zongyuan Ge , Yong Xia , Jiebo Luo , Zhiyong Wang

This report presents our systems submitted to the audio-only and audio-visual tracks of the DCASE2025 Task 3 Challenge: Stereo Sound Event Localization and Detection (SELD) in Regular Video Content. SELD is a complex task that combines…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-08 Davide Berghi , Philip J. B. Jackson

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

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,…

Segmentation of surgical instruments is crucial for enhancing surgeon performance and ensuring patient safety. Conventional techniques such as binary, semantic, and instance segmentation share a common drawback: they do not accommodate the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Ruohua Shi , Zhaochen Liu , Lingyu Duan , Tingting Jiang

Unsupervised Video Object Segmentation (VOS) aims at identifying the contours of primary foreground objects in videos without any prior knowledge. However, previous methods do not fully use spatial-temporal context and fail to tackle this…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Ping Li , Yu Zhang , Li Yuan , Huaxin Xiao , Binbin Lin , Xianghua Xu

Performing low hertz labeling for surgical videos at intervals can greatly releases the burden of surgeons. In this paper, we study the semi-supervised instrument segmentation from robotic surgical videos with sparse annotations. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Zixu Zhao , Yueming Jin , Xiaojie Gao , Qi Dou , Pheng-Ann Heng

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…

Image and Video Processing · Electrical Eng. & Systems 2025-10-31 Muraam Abdel-Ghani , Mahmoud Ali , Mohamed Ali , Fatmaelzahraa Ahmed , Muhammad Arsalan , Abdulaziz Al-Ali , Shidin Balakrishnan

Temporal segmentation of untrimmed videos and photo-streams is currently an active area of research in computer vision and image processing. This paper proposes a new approach to improve the temporal segmentation of photo-streams. The…

Image and Video Processing · Electrical Eng. & Systems 2019-06-28 Mariella Dimiccoli , Herwig Wendt

Weakly supervised instance segmentation reduces the cost of annotations required to train models. However, existing approaches which rely only on image-level class labels predominantly suffer from errors due to (a) partial segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Qing Liu , Vignesh Ramanathan , Dhruv Mahajan , Alan Yuille , Zhenheng Yang

Object-centric slot attention is an emerging paradigm for unsupervised learning of structured, interpretable object-centric representations (slots). This enables effective reasoning about objects and events at a low computational cost and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Guiqiu Liao , Matjaz Jogan , Marcel Hussing , Edward Zhang , Eric Eaton , Daniel A. Hashimoto

In recent years, significant progress has been made in video instance segmentation (VIS), with many offline and online methods achieving state-of-the-art performance. While offline methods have the advantage of producing temporally…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Junlong Li , Bingyao Yu , Yongming Rao , Jie Zhou , Jiwen Lu

Stereo matching provides depth estimation from binocular images for downstream applications. These applications mostly take video streams as input and require temporally consistent depth maps. However, existing methods mainly focus on the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Jiaxi Zeng , Chengtang Yao , Yuwei Wu , Yunde Jia

We study the task of semantic segmentation of surgical instruments in robotic-assisted surgery scenes. We propose the Instance-based Surgical Instrument Segmentation Network (ISINet), a method that addresses this task from an instance-based…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Cristina González , Laura Bravo-Sánchez , Pablo Arbelaez

Consistent surgical instrument segmentation is critical for automation in robot-assisted surgery. Yet, existing methods only treat instrument-level instance segmentation (IIS) or part-level semantic segmentation (PSS) separately, without…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Meng Wei , Charlie Budd , Oluwatosin Alabi , Miaojing Shi , Tom Vercauteren

The Segment Anything Model (SAM) is a powerful vision foundation model that is revolutionizing the traditional paradigm of segmentation. Despite this, a reliance on prompting each frame and large computational cost limit its usage in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Zijian Wu , Adam Schmidt , Peter Kazanzides , Septimiu E. Salcudean

Most existing real-time deep models trained with each frame independently may produce inconsistent results across the temporal axis when tested on a video sequence. A few methods take the correlations in the video sequence into…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

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…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Fatimaelzahraa Ahmed , Muraam Abdel-Ghani , Muhammad Arsalan , Mahmoud Ali , Abdulaziz Al-Ali , Shidin Balakrishnan

We describe a new spatio-temporal video autoencoder, based on a classic spatial image autoencoder and a novel nested temporal autoencoder. The temporal encoder is represented by a differentiable visual memory composed of convolutional long…

Machine Learning · Computer Science 2016-09-02 Viorica Patraucean , Ankur Handa , Roberto Cipolla

Domain adaptation methods aim to bridge the gap between datasets by enabling knowledge transfer across domains, reducing the need for additional expert annotations. However, many approaches struggle with reliability in the target domain, an…

Image and Video Processing · Electrical Eng. & Systems 2026-05-14 Arnaud Judge , Nicolas Duchateau , Thierry Judge , Roman A. Sandler , Joseph Z. Sokol , Christian Desrosiers , Olivier Bernard , Pierre-Marc Jodoin