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Vision transformers have achieved great successes in many computer vision tasks. Most methods generate vision tokens by splitting an image into a regular and fixed grid and treating each cell as a token. However, not all regions are equally…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Wang Zeng , Sheng Jin , Wentao Liu , Chen Qian , Ping Luo , Wanli Ouyang , Xiaogang Wang

Processing long videos with multimodal large language models (MLLMs) poses a significant computational challenge, as the model's self-attention mechanism scales quadratically with the number of video tokens, resulting in high computational…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Kaibin Wang , Mingbao Lin

Video Large Language Models (Video-LLMs) excel at understanding videos in-context, provided they have full access to the video when answering queries. However, these models face challenges in streaming scenarios where hour-long videos must…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Vaggelis Dorovatas , Soroush Seifi , Gunshi Gupta , Rahaf Aljundi

The objective of this paper is an efficient training method for video tasks. We make three contributions: (1) We propose Turbo training, a simple and versatile training paradigm for Transformers on multiple video tasks. (2) We illustrate…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Tengda Han , Weidi Xie , Andrew Zisserman

Large Language Models (LLMs) incur significant computational and memory costs when processing long prompts, as full self-attention scales quadratically with input length. Token compression aims to address this challenge by reducing the…

Computation and Language · Computer Science 2026-04-23 Zihao Xu , John Harvill , Ziwei Fan , Yizhou Sun , Hao Ding , Hao Wang

Classical visual coding and Multimodal Large Language Model (MLLM) token technology share the core objective - maximizing information fidelity while minimizing computational cost. Therefore, this paper reexamines MLLM token technology,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Jinming Liu , Junyan Lin , Yuntao Wei , Kele Shao , Keda Tao , Jianguo Huang , Xudong Yang , Zhibo Chen , Huan Wang , Xin Jin

Recent end-to-end automatic speech recognition (ASR) systems often utilize a Transformer-based acoustic encoder that generates embedding at a high frame rate. However, this design is inefficient, particularly for long speech signals due to…

Computation and Language · Computer Science 2023-06-29 Yuang Li , Yu Wu , Jinyu Li , Shujie Liu

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

In recent years, vision language models (VLMs) have made significant advancements in video understanding. However, a crucial capability - fine-grained motion comprehension - remains under-explored in current benchmarks. To address this gap,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Wenyi Hong , Yean Cheng , Zhuoyi Yang , Weihan Wang , Lefan Wang , Xiaotao Gu , Shiyu Huang , Yuxiao Dong , Jie Tang

Human action recognition in long-term videos, characterized by complex backgrounds and subtle action differences, poses significant challenges for traditional deep learning models due to computational overhead, difficulty in capturing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Kaining Li , Shuwei He , Zihan Xu

Transformers are widely applied to solve natural language understanding and computer vision tasks. While scaling up these architectures leads to improved performance, it often comes at the expense of much higher computational costs. In…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Cedric Renggli , André Susano Pinto , Neil Houlsby , Basil Mustafa , Joan Puigcerver , Carlos Riquelme

Video tokenizers are essential for latent video diffusion models, converting raw video data into spatiotemporally compressed latent spaces for efficient training. However, extending state-of-the-art video tokenizers to achieve a temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Aniruddha Mahapatra , Long Mai , David Bourgin , Yitian Zhang , Feng Liu

Understanding abnormal events in videos is a vital and challenging task that has garnered significant attention in a wide range of applications. Although current video understanding Multi-modal Large Language Models (MLLMs) are capable of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yingxian Chen , Jiahui Liu , Ruidi Fan , Yanwei Li , Chirui Chang , Shizhen Zhao , Wilton W. T. Fok , Xiaojuan Qi , Yik-Chung Wu

This paper presents an investigation into long-tail video recognition. We demonstrate that, unlike naturally-collected video datasets and existing long-tail image benchmarks, current video benchmarks fall short on multiple long-tailed…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Toby Perrett , Saptarshi Sinha , Tilo Burghardt , Majid Mirmehdi , Dima Damen

Ultra long video understanding remains an open challenge, as existing vision language models (VLMs) falter on such content due to limited context length and inefficient long term memory retention. To address this, recent works have…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Hongbo Jin , Qingyuan Wang , Wenhao Zhang , Yang Liu , Sijie Cheng

As the parameter size of large language models (LLMs) continues to expand, the need for a large memory footprint and high communication bandwidth have become significant bottlenecks for the training and inference of LLMs. To mitigate these…

Machine Learning · Computer Science 2024-07-02 Ceyu Xu , Yongji Wu , Xinyu Yang , Beidi Chen , Matthew Lentz , Danyang Zhuo , Lisa Wu Wills

Data mixing strategies (e.g., CutMix) have shown the ability to greatly improve the performance of convolutional neural networks (CNNs). They mix two images as inputs for training and assign them with a mixed label with the same ratio.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Han Xiao , Wenzhao Zheng , Zheng Zhu , Jie Zhou , Jiwen Lu

The development of Multi-modal Large Language Models (MLLMs) enhances Large Language Models (LLMs) with the ability to perceive data formats beyond text, significantly advancing a range of downstream applications, such as visual question…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Minbin Huang , Runhui Huang , Han Shi , Yimeng Chen , Chuanyang Zheng , Xiangguo Sun , Xin Jiang , Zhenguo Li , Hong Cheng

Large Language Models (LLMs) have showcased impressive capabilities in text comprehension and generation, prompting research efforts towards video LLMs to facilitate human-AI interaction at the video level. However, how to effectively…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Ruyang Liu , Chen Li , Haoran Tang , Yixiao Ge , Ying Shan , Ge Li

Efficient tokenization of videos remains a challenge in training vision models that can process long videos. One promising direction is to develop a tokenizer that can encode long video clips, as it would enable the tokenizer to leverage…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Huiwon Jang , Sihyun Yu , Jinwoo Shin , Pieter Abbeel , Younggyo Seo