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Recognizing actions from a limited set of labeled videos remains a challenge as annotating visual data is not only tedious but also can be expensive due to classified nature. Moreover, handling spatio-temporal data using deep $3$D…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Owais Iqbal , Omprakash Chakraborty , Aftab Hussain , Rameswar Panda , Abir Das

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

Semi-Supervised Learning (SSL) has shown tremendous potential to improve the predictive performance of deep learning models when annotations are hard to obtain. However, the application of SSL has so far been mainly studied in the context…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Ankit Singh , Efstratios Gavves , Cees G. M. Snoek , Hilde Kuehne

Traditional video reasoning segmentation methods rely on supervised fine-tuning, which limits generalization to out-of-distribution scenarios and lacks explicit reasoning. To address this, we propose \textbf{VideoSeg-R1}, the first…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Zishan Xu , Yifu Guo , Yuquan Lu , Fengyu Yang , Junxin Li

This paper addresses fast semantic segmentation on video.Video segmentation often calls for real-time, or even fasterthan real-time, processing. One common recipe for conserving computation arising from feature extraction is to propagate…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Shih-Po Lee , Si-Cun Chen , Wen-Hsiao Peng

In the field of action recognition, video clips are always treated as ordered frames for subsequent processing. To achieve spatio-temporal perception, existing approaches propose to embed adjacent temporal interaction in the convolutional…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Rongchang Li , Xiao-Jun Wu , Tianyang Xu

We introduce a novel semi-supervised video segmentation approach based on an efficient video representation, called as "super-trajectory". Each super-trajectory corresponds to a group of compact trajectories that exhibit consistent motion…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Wenguan Wang , Jianbing Shen , Jianwen Xie , Fatih Porikli

In this paper, we present a novel sequence generation-based framework for lane detection, called Lane2Seq. It unifies various lane detection formats by casting lane detection as a sequence generation task. This is different from previous…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Kunyang Zhou

Moving object segmentation is a crucial task for achieving a high-level understanding of visual scenes and has numerous downstream applications. Humans can effortlessly segment moving objects in videos. Previous work has largely relied on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Nan Huang , Wenzhao Zheng , Chenfeng Xu , Kurt Keutzer , Shanghang Zhang , Angjoo Kanazawa , Qianqian Wang

Video-guided Multimodal Translation (VMT) has advanced significantly in recent years. However, most existing methods rely on locally aligned video segments paired one-to-one with subtitles, limiting their ability to capture global narrative…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Jian Chen , JinZe Lv , Zi Long , XiangHua Fu

Recent studies have highlighted the potential of adapting the Segment Anything Model (SAM) for various downstream tasks. However, constructing a more powerful and generalizable encoder to further enhance performance remains an open…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Xinyu Xiong , Zihuang Wu , Lei Zhang , Lei Lu , Ming Li , Guanbin Li

We propose a novel solution for semi-supervised video object segmentation. By the nature of the problem, available cues (e.g. video frame(s) with object masks) become richer with the intermediate predictions. However, the existing methods…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Seoung Wug Oh , Joon-Young Lee , Ning Xu , Seon Joo Kim

Estimating the remaining surgery duration (RSD) during surgical procedures can be useful for OR planning and anesthesia dose estimation. With the recent success of deep learning-based methods in computer vision, several neural network…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Dominik Rivoir , Sebastian Bodenstedt , Felix von Bechtolsheim , Marius Distler , Jürgen Weitz , Stefanie Speidel

Video-to-video translation aims to generate video frames of a target domain from an input video. Despite its usefulness, the existing networks require enormous computations, necessitating their model compression for wide use. While there…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Chaeyeon Chung , Yeojeong Park , Seunghwan Choi , Munkhsoyol Ganbat , Jaegul Choo

This work presents VTok, a unified video tokenization framework that can be used for both generation and understanding tasks. Unlike the leading vision-language systems that tokenize videos through a naive frame-sampling strategy, we…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Feng Wang , Yichun Shi , Ceyuan Yang , Qiushan Guo , Jingxiang Sun , Alan Yuille , Peng Wang

Temporal action segmentation (TAS) divides untrimmed videos into labeled action segments. While fully supervised methods have advanced the field, challenges such as action variability, ambiguous boundaries, and high annotation costs remain,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yeo Keat Ee , Debaditya Roy , Chen Li , Hao Zhang , Basura Fernando

With the success of deep learning in classifying short trimmed videos, more attention has been focused on temporally segmenting and classifying activities in long untrimmed videos. State-of-the-art approaches for action segmentation utilize…

Computer Vision and Pattern Recognition · Computer Science 2020-09-04 Shijie Li , Yazan Abu Farha , Yun Liu , Ming-Ming Cheng , Juergen Gall

Automatic instrument segmentation in video is an essentially fundamental yet challenging problem for robot-assisted minimally invasive surgery. In this paper, we propose a novel framework to leverage instrument motion information, by…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Yueming Jin , Keyun Cheng , Qi Dou , Pheng-Ann Heng

This paper presents a new method for unsupervised segmentation of complex activities from video into multiple steps, or sub-activities, without any textual input. We propose an iterative discriminative-generative approach which alternates…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Fadime Sener , Angela Yao

Assigning consistent temporal identifiers to multiple moving objects in a video sequence is a challenging problem. A solution to that problem would have immediate ramifications in multiple object tracking and segmentation problems. We…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Abubakar Siddique , Reza Jalil Mozhdehi , Henry Medeiros