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As the scale of data and models for video understanding rapidly expand, handling long-form video input in transformer-based models presents a practical challenge. Rather than resorting to input sampling or token dropping, which may result…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Seon-Ho Lee , Jue Wang , Zhikang Zhang , David Fan , Xinyu Li

Vision-language models (VLMs) have achieved remarkable multimodal understanding and reasoning capabilities, yet remain computationally expensive due to dense visual tokenization. Existing efficiency approaches either merge redundant visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Aditya Kumar Singh , Hitesh Kandala , Pratik Prabhanjan Brahma , Zicheng Liu , Emad Barsoum

We present DyMU, an efficient, training-free framework that dynamically reduces the computational burden of vision-language models (VLMs) while maintaining high task performance. Our approach comprises two key components. First, Dynamic…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Zhenhailong Wang , Senthil Purushwalkam , Caiming Xiong , Silvio Savarese , Heng Ji , Ran Xu

Large Vision-Language Models (VLMs) exhibit impressive multi-modal capabilities but suffer from prohibitive computational and memory demands, due to their long visual token sequences and massive parameter sizes. To address these issues,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Chengtao Lv , Bilang Zhang , Yang Yong , Ruihao Gong , Yushi Huang , Shiqiao Gu , Jiajun Wu , Yumeng Shi , Jinyang Guo , Wenya Wang

Since the emergence of Vision Transformer (ViT), it has been widely used in generative language model and generative visual model. Especially in the current state-of-art open source multimodal models, ViT obtained by CLIP or SigLIP method…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Haun Leung , ZiNan Wang

Document understanding and GUI interaction are among the highest-value applications of Vision-Language Models (VLMs), yet they impose exceptionally heavy computational burden: fine-grained text and small UI elements demand high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Nan Wang , Zhiwei Jin , Chen Chen , Haonan Lu

Vision-and-Language Pre-training (VLP) has improved performance on various joint vision-and-language downstream tasks. Current approaches to VLP heavily rely on image feature extraction processes, most of which involve region supervision…

Machine Learning · Statistics 2021-06-11 Wonjae Kim , Bokyung Son , Ildoo Kim

In this work, we present HieraTok, a novel multi-scale Vision Transformer (ViT)-based tokenizer that overcomes the inherent limitation of modeling single-scale representations. This is realized through two key designs: (1) multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Cong Chen , Ziyuan Huang , Cheng Zou , Muzhi Zhu , Kaixiang Ji , Jiajia Liu , Jingdong Chen , Hao Chen , Chunhua Shen

Vision Transformers naturally accommodate sparsity, yet standard tokenization methods confine features to discrete patch grids. This constraint prevents models from fully exploiting sparse regimes, forcing awkward compromises. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Martine Hjelkrem-Tan , Marius Aasan , Gabriel Y. Arteaga , Adín Ramírez Rivera

Vision transformers (ViTs) achieve remarkable performance on large datasets, but tend to perform worse than convolutional neural networks (CNNs) when trained from scratch on smaller datasets, possibly due to a lack of local inductive bias…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Ibrahim Batuhan Akkaya , Senthilkumar S. Kathiresan , Elahe Arani , Bahram Zonooz

Large Vision-Language Models (LVLMs) have shown impressive performance across multi-modal tasks by encoding images into thousands of tokens. However, the large number of image tokens results in significant computational overhead, and the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Kaiyuan Li , Xiaoyue Chen , Chen Gao , Yong Li , Xinlei Chen

We present pure-transformer based models for video classification, drawing upon the recent success of such models in image classification. Our model extracts spatio-temporal tokens from the input video, which are then encoded by a series of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Anurag Arnab , Mostafa Dehghani , Georg Heigold , Chen Sun , Mario Lučić , Cordelia Schmid

We introduce A-ViT, a method that adaptively adjusts the inference cost of vision transformer (ViT) for images of different complexity. A-ViT achieves this by automatically reducing the number of tokens in vision transformers that are…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Hongxu Yin , Arash Vahdat , Jose Alvarez , Arun Mallya , Jan Kautz , Pavlo Molchanov

This paper investigates how to efficiently deploy vision transformers on edge devices for small workloads. Recent methods reduce the latency of transformer neural networks by removing or merging tokens, with small accuracy degradation.…

Machine Learning · Computer Science 2024-11-12 Nick John Eliopoulos , Purvish Jajal , James C. Davis , Gaowen Liu , George K. Thiravathukal , Yung-Hsiang Lu

Vision transformers (ViTs) have emerged as a prevalent architecture for vision tasks owing to their impressive performance. However, when it comes to handling long token sequences, especially in dense prediction tasks that require…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Jin Li , Yaoming Wang , Xiaopeng Zhang , Bowen Shi , Dongsheng Jiang , Chenglin Li , Wenrui Dai , Hongkai Xiong , Qi Tian

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…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Tsu-Jui Fu , Linjie Li , Zhe Gan , Kevin Lin , William Yang Wang , Lijuan Wang , Zicheng Liu

Pretraining Vision Transformers (ViTs) has achieved great success in visual recognition. A following scenario is to adapt a ViT to various image and video recognition tasks. The adaptation is challenging because of heavy computation and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Shoufa Chen , Chongjian Ge , Zhan Tong , Jiangliu Wang , Yibing Song , Jue Wang , Ping Luo

Large vision-language models (LVLMs) generally contain significantly more visual tokens than their textual counterparts, resulting in a considerable computational burden. Recent efforts have been made to tackle this issue by pruning visual…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Qizhe Zhang , Aosong Cheng , Ming Lu , Renrui Zhang , Zhiyong Zhuo , Jiajun Cao , Shaobo Guo , Qi She , Shanghang Zhang

Recently, zero-shot TTS and VC methods have gained attention due to their practicality of being able to generate voices even unseen during training. Among these methods, zero-shot modifications of the VITS model have shown superior…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-29 Seongyeon Park , Bohyung Kim , Tae-hyun Oh

Although certain vision transformer (ViT) and CNN architectures generalize well on vision tasks, it is often impractical to use them on green, edge, or desktop computing due to their computational requirements for training and even testing.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Pranav Jeevan , Amit Sethi