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The quadratic computational complexity to the number of tokens limits the practical applications of Vision Transformers (ViTs). Several works propose to prune redundant tokens to achieve efficient ViTs. However, these methods generally…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Shuning Chang , Pichao Wang , Ming Lin , Fan Wang , David Junhao Zhang , Rong Jin , Mike Zheng Shou

Multi-scale Vision Transformer (ViT) has emerged as a powerful backbone for computer vision tasks, while the self-attention computation in Transformer scales quadratically w.r.t. the input patch number. Thus, existing solutions commonly…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Ting Yao , Yingwei Pan , Yehao Li , Chong-Wah Ngo , Tao Mei

Contemporary Video Instance Segmentation (VIS) methods typically adhere to a pre-train then fine-tune regime, where a segmentation model trained on images is fine-tuned on videos. However, the lack of temporal knowledge in the pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Qing Zhong , Peng-Tao Jiang , Wen Wang , Guodong Ding , Lin Wu , Kaiqi Huang

Despite the remarkable success of Vision Transformers (ViTs) in various visual tasks, they are often hindered by substantial computational cost. In this work, we introduce Vote\&Mix (\textbf{VoMix}), a plug-and-play and parameter-free token…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Shuai Peng , Di Fu , Baole Wei , Yong Cao , Liangcai Gao , Zhi Tang

Video understanding in multimodal language models remains limited by context length: models often miss key transition frames and struggle to maintain coherence across long time scales. To address this, we adapt Native Sparse Attention (NSA)…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Enxin Song , Wenhao Chai , Shusheng Yang , Ethan Armand , Xiaojun Shan , Haiyang Xu , Jianwen Xie , Zhuowen Tu

Vision Transformers (ViTs) have shown promising performance compared with Convolutional Neural Networks (CNNs), but the training of ViTs is much harder than CNNs. In this paper, we define several metrics, including Dynamic Data Proportion…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Benjia Zhou , Pichao Wang , Jun Wan , Yanyan Liang , Fan Wang

In-context image editing aims to modify images based on a contextual sequence comprising text and previously generated images. Existing methods typically depend on task-specific pipelines and expert models (e.g., segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Leigang Qu , Feng Cheng , Ziyan Yang , Qi Zhao , Shanchuan Lin , Yichun Shi , Yicong Li , Wenjie Wang , Tat-Seng Chua , Lu Jiang

The recent breakthroughs in natural language processing for model pretraining on large quantities of data have opened the way for similar foundation models in computer vision. These models could greatly simplify the use of images in any…

Humans possess remarkable ability to accurately classify new, unseen images after being exposed to only a few examples. Such ability stems from their capacity to identify common features shared between new and previously seen images while…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Weihao Jiang , Chang Liu , Kun He

Existing unsupervised video-to-video translation methods fail to produce translated videos which are frame-wise realistic, semantic information preserving and video-level consistent. In this work, we propose UVIT, a novel unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Kangning Liu , Shuhang Gu , Andres Romero , Radu Timofte

Recently, Vision Transformer (ViT) has achieved promising performance in image recognition and gradually serves as a powerful backbone in various vision tasks. To satisfy the sequential input of Transformer, the tail of ViT first splits…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yunke Wang , Bo Du , Wenyuan Wang , Chang Xu

Tokens or patches within Vision Transformers (ViT) lack essential semantic information, unlike their counterparts in natural language processing (NLP). Typically, ViT tokens are associated with rectangular image patches that lack specific…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Young Kyung Kim , J. Matías Di Martino , Guillermo Sapiro

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

Vision transformer has emerged as a new paradigm in computer vision, showing excellent performance while accompanied by expensive computational cost. Image token pruning is one of the main approaches for ViT compression, due to the facts…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Xiangcheng Liu , Tianyi Wu , Guodong Guo

Pretraining egocentric vision-language models has become essential to improving downstream egocentric video-text tasks. These egocentric foundation models commonly use the transformer architecture. The memory footprint of these models…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Hector A. Valdez , Kyle Min , Subarna Tripathi

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…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Harry Cheng , Yangyang Guo , Liqiang Nie , Zhiyong Cheng , Mohan Kankanhalli

The recent advance in vision-language models is largely attributed to the abundance of image-text data. We aim to replicate this success for video-language models, but there simply is not enough human-curated video-text data available. We…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Yue Zhao , Long Zhao , Xingyi Zhou , Jialin Wu , Chun-Te Chu , Hui Miao , Florian Schroff , Hartwig Adam , Ting Liu , Boqing Gong , Philipp Krähenbühl , Liangzhe Yuan

Developing video captioning models is computationally expensive. The dynamic nature of video also complicates the design of multimodal models that can effectively caption these sequences. However, we find that by using minimal computational…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Chunhui Zhang , Yiren Jian , Zhongyu Ouyang , Soroush Vosoughi

Recently, large-scale pre-trained language-image models like CLIP have shown extraordinary capabilities for understanding spatial contents, but naively transferring such models to video recognition still suffers from unsatisfactory temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Zhiwu Qing , Shiwei Zhang , Ziyuan Huang , Yingya Zhang , Changxin Gao , Deli Zhao , Nong Sang

This paper presents an investigation of vision transformer learning for multi-view geometry tasks, such as optical flow estimation, by fine-tuning video foundation models. Unlike previous methods that involve custom architectural designs…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Huimin Wu , Kwang-Ting Cheng , Stephen Lin , Zhirong Wu