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The strong temporal consistency of surveillance video enables compelling compression performance with traditional methods, but downstream vision applications operate on decoded image frames with a high data rate. Since it is not…

多媒体 · 计算机科学 2024-02-09 Andrew C. Freeman , Ketan Mayer-Patel , Montek Singh

This paper studies the efficiency problem for visual transformers by excavating redundant calculation in given networks. The recent transformer architecture has demonstrated its effectiveness for achieving excellent performance on a series…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Yehui Tang , Kai Han , Yunhe Wang , Chang Xu , Jianyuan Guo , Chao Xu , Dacheng Tao

Recently, transformer-based approaches have shown promising results for semi-supervised video object segmentation. However, these approaches typically struggle on long videos due to increased GPU memory demands, as they frequently expand…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Abdelrahman Shaker , Syed Talal Wasim , Martin Danelljan , Salman Khan , Ming-Hsuan Yang , Fahad Shahbaz Khan

Current top-leading solutions for video object segmentation (VOS) typically follow a matching-based regime: for each query frame, the segmentation mask is inferred according to its correspondence to previously processed and the first…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Yurong Zhang , Liulei Li , Wenguan Wang , Rong Xie , Li Song , Wenjun Zhang

Video Salient Document Detection (VSDD) is an essential task of practical computer vision, which aims to highlight visually salient document regions in video frames. Previous techniques for VSDD focus on learning features without…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Hemraj Singh , Mridula Verma , Ramalingaswamy Cheruku

Video Instance Segmentation is a fundamental computer vision task that deals with segmenting and tracking object instances across a video sequence. Most existing methods typically accomplish this task by employing a multi-stage top-down…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Jyoti Kini , Mubarak Shah

We present Recurrent Video Masked-Autoencoders (RVM): a novel approach to video representation learning that leverages recurrent computation to model the temporal structure of video data. RVM couples an asymmetric masking objective with a…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Daniel Zoran , Nikhil Parthasarathy , Yi Yang , Drew A Hudson , Joao Carreira , Andrew Zisserman

Recently, removing objects from videos and filling in the erased regions using deep video inpainting (VI) algorithms has attracted considerable attention. Usually, a video sequence and object segmentation masks for all frames are required…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Sangjin Lee , Suhwan Cho , Sangyoun Lee

Vision Transformers (ViTs) have emerged as the backbone of many segmentation models, consistently achieving state-of-the-art (SOTA) performance. However, their success comes at a significant computational cost. Image token pruning is one of…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Hanning Chen , Yang Ni , Wenjun Huang , Yezi Liu , SungHeon Jeong , Fei Wen , Nathaniel Bastian , Hugo Latapie , Mohsen Imani

Video object segmentation (VOS) is a highly challenging problem since the initial mask, defining the target object, is only given at test-time. The main difficulty is to effectively handle appearance changes and similar background objects,…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Andreas Robinson , Felix Järemo Lawin , Martin Danelljan , Fahad Shahbaz Khan , Michael Felsberg

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…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Feng Wang , Yichun Shi , Ceyuan Yang , Qiushan Guo , Jingxiang Sun , Alan Yuille , Peng Wang

This paper investigates the role of CLIP image embeddings within the Stable Video Diffusion (SVD) framework, focusing on their impact on video generation quality and computational efficiency. Our findings indicate that CLIP embeddings,…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Ashkan Taghipour , Morteza Ghahremani , Mohammed Bennamoun , Aref Miri Rekavandi , Zinuo Li , Hamid Laga , Farid Boussaid

Video foreground segmentation (VFS) is an important computer vision task wherein one aims to segment the objects under motion from the background. Most of the current methods are image-based, i.e., rely only on spatial cues while ignoring…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Praveen Kumar Pokala , Jaya Sai Kiran Patibandla , Naveen Kumar Pandey , Balakrishna Reddy Pailla

Training an effective video action recognition model poses significant computational challenges, particularly under limited resource budgets. Current methods primarily aim to either reduce model size or utilize pre-trained models, limiting…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Harry Cheng , Yangyang Guo , Liqiang Nie , Zhiyong Cheng , Mohan Kankanhalli

Video object detection is a fundamental problem in computer vision and has a wide spectrum of applications. Based on deep networks, video object detection is actively studied for pushing the limits of detection speed and accuracy. To reduce…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Xinggang Wang , Zhaojin Huang , Bencheng Liao , Lichao Huang , Yongchao Gong , Chang Huang

Contemporary state-of-the-art video object segmentation (VOS) models compare incoming unannotated images to a history of image-mask relations via affinity or cross-attention to predict object masks. We refer to the internal memory state of…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Clayton Bromley , Alexander Moore , Amar Saini , Douglas Poland , Carmen Carrano

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…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Shih-Po Lee , Si-Cun Chen , Wen-Hsiao Peng

The existing state-of-the-art (SOTA) video salient object detection (VSOD) models have widely followed short-term methodology, which dynamically determines the balance between spatial and temporal saliency fusion by solely considering the…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Chenglizhao Chen , Hengsen Wang , Yuming Fang , Chong Peng

A great challenge in video-language (VidL) modeling lies in the disconnection between fixed video representations extracted from image/video understanding models and downstream VidL data. Recent studies try to mitigate this disconnection…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Tsu-Jui Fu , Linjie Li , Zhe Gan , Kevin Lin , William Yang Wang , Lijuan Wang , Zicheng Liu

While today's video recognition systems parse snapshots or short clips accurately, they cannot connect the dots and reason across a longer range of time yet. Most existing video architectures can only process <5 seconds of a video without…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Chao-Yuan Wu , Yanghao Li , Karttikeya Mangalam , Haoqi Fan , Bo Xiong , Jitendra Malik , Christoph Feichtenhofer