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Recently vision transformer has achieved tremendous success on image-level visual recognition tasks. To effectively and efficiently model the crucial temporal information within a video clip, we propose a Temporally Efficient Vision…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Shusheng Yang , Xinggang Wang , Yu Li , Yuxin Fang , Jiemin Fang , Wenyu Liu , Xun Zhao , Ying Shan

Compared with still image object detection, video object detection (VOD) needs to particularly concern the high across-frame variation in object appearance, and the diverse deterioration in some frames. In principle, the detection in a…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Yuheng Shi , Tong Zhang , Xiaojie Guo

Vision Transformers (ViT) become widely-adopted architectures for various vision tasks. Masked auto-encoding for feature pretraining and multi-scale hybrid convolution-transformer architectures can further unleash the potentials of ViT,…

计算机视觉与模式识别 · 计算机科学 2022-05-20 Peng Gao , Teli Ma , Hongsheng Li , Ziyi Lin , Jifeng Dai , Yu Qiao

Enlarging input images is a straightforward and effective approach to promote small object detection. However, simple image enlargement is significantly expensive on both computations and GPU memory. In fact, small objects are usually…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Kai Liu , Zhihang Fu , Sheng Jin , Ze Chen , Fan Zhou , Rongxin Jiang , Yaowu Chen , Jieping Ye

While Video Instance Segmentation (VIS) has seen rapid progress, current approaches struggle to predict high-quality masks with accurate boundary details. Moreover, the predicted segmentations often fluctuate over time, suggesting that…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Lei Ke , Henghui Ding , Martin Danelljan , Yu-Wing Tai , Chi-Keung Tang , Fisher Yu

Federated learning research has recently shifted from Convolutional Neural Networks (CNNs) to Vision Transformers (ViTs) due to their superior capacity. ViTs training demands higher computational resources due to the lack of 2D inductive…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Meihan Wu , Tao Chang , Cui Miao , Jie Zhou , Chun Li , Xiangyu Xu , Ming Li , Xiaodong Wang

Slow inference speed is one of the most crucial concerns for deploying multi-view 3D detectors to tasks with high real-time requirements like autonomous driving. Although many sparse query-based methods have already attempted to improve the…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Dingyuan Zhang , Dingkang Liang , Zichang Tan , Xiaoqing Ye , Cheng Zhang , Jingdong Wang , Xiang Bai

We propose a self-supervised spatio-temporal matching method, coined Motion-Aware Mask Propagation (MAMP), for video object segmentation. MAMP leverages the frame reconstruction task for training without the need for annotations. During…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Bo Miao , Mohammed Bennamoun , Yongsheng Gao , Ajmal Mian

Image segmentation remains a challenging task in computer vision, demanding robust mask generation and precise classification. Recent mask-based approaches yield high-quality masks by capturing global context. However, accurately…

计算机视觉与模式识别 · 计算机科学 2025-12-10 Sajjad Shahabodini , Mobina Mansoori , Farnoush Bayatmakou , Jamshid Abouei , Konstantinos N. Plataniotis , Arash Mohammadi

Benefiting from masked visual modeling, self-supervised video representation learning has achieved remarkable progress. However, existing methods focus on learning representations from scratch through reconstructing low-level features like…

计算机视觉与模式识别 · 计算机科学 2023-03-08 Rui Wang , Dongdong Chen , Zuxuan Wu , Yinpeng Chen , Xiyang Dai , Mengchen Liu , Lu Yuan , Yu-Gang Jiang

Current state-of-the-art models for video action recognition are mostly based on expensive 3D ConvNets. This results in a need for large GPU clusters to train and evaluate such architectures. To address this problem, we present a…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Quanfu Fan , Chun-Fu Chen , Hilde Kuehne , Marco Pistoia , David Cox

Streaming video clips with large-scale video tokens impede vision transformers (ViTs) for efficient recognition, especially in video action detection where sufficient spatiotemporal representations are required for precise actor…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Lei Chen , Zhan Tong , Yibing Song , Gangshan Wu , Limin Wang

A well-known dilemma in large vision-language models (e.g., GPT-4, LLaVA) is that while increasing the number of vision tokens generally enhances visual understanding, it also significantly raises memory and computational costs, especially…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Shiwei Wu , Joya Chen , Kevin Qinghong Lin , Qimeng Wang , Yan Gao , Qianli Xu , Tong Xu , Yao Hu , Enhong Chen , Mike Zheng Shou

Current semi-supervised video object segmentation (VOS) methods usually leverage the entire features of one frame to predict object masks and update memory. This introduces significant redundant computations. To reduce redundancy, we…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Bo Miao , Mohammed Bennamoun , Yongsheng Gao , Ajmal Mian

Video Large Language Models have demonstrated strong video understanding capabilities, yet their practical deployment is hindered by substantial inference costs caused by redundant video tokens. Existing pruning techniques fail to…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Leqi Shen , Guoqiang Gong , Tao He , Yifeng Zhang , Pengzhang Liu , Sicheng Zhao , Guiguang Ding

Recently, Vision Transformer has achieved great success in recovering missing details in low-resolution sequences, i.e., the video super-resolution (VSR) task. Despite its superiority in VSR accuracy, the heavy computational burden as well…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Xingyu Zhou , Leheng Zhang , Xiaorui Zhao , Keze Wang , Leida Li , Shuhang Gu

Video object detection (VID) is challenging because of the high variation of object appearance as well as the diverse deterioration in some frames. On the positive side, the detection in a certain frame of a video, compared with that in a…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Yuheng Shi , Naiyan Wang , Xiaojie Guo

Video object segmentation, aiming to segment the foreground objects given the annotation of the first frame, has been attracting increasing attentions. Many state-of-the-art approaches have achieved great performance by relying on online…

计算机视觉与模式识别 · 计算机科学 2021-07-12 Siyue Yu , Jimin Xiao , BingFeng Zhang , Eng Gee Lim

In this study, we introduce an enhanced version of ViT that conducts attention-based QKV operations during the initial stages of downsampling. Performing attention directly on high-resolution feature maps is computationally demanding due to…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Bohang Sun

Vision Transformers (ViT) have emerged as the de-facto choice for numerous industry grade vision solutions. But their inference cost can be prohibitive for many settings, as they compute self-attention in each layer which suffers from…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Rajat Koner , Gagan Jain , Prateek Jain , Volker Tresp , Sujoy Paul