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In the past year, video-based large language models (Video LLMs) have achieved impressive progress, particularly in their ability to process long videos through extremely extended context lengths. However, this comes at the cost of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Shangkun Sun , Ruyang Liu , Haoran Tang , Yixiao Ge , Haibo Lu , Wei Gao , Jiankun Yang , Chen Li

The exponential growth of Large Multimodal Models (LMMs) has driven advancements in cross-modal reasoning but at significant computational costs. In this work, we focus on visual language models. We highlight the redundancy and inefficiency…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Yasmine Omri , Parth Shroff , Thierry Tambe

Vision-Language Models (VLMs) face a bottleneck of prohibitive computational costs arising from massive visual token sequences during inference. Existing vision token reduction methods alleviate this burden, but they unintentionally…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yulin Zhao , Yun Wang , Dehua Zheng , Borui jiang , Zheng Zhang

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

Multimodal Large Language Models (MLLMs) enable interpretable multimedia forensics by generating textual rationales for forgery detection. However, processing dense visual sequences incurs high computational costs, particularly for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Yingxin Lai , Zitong Yu , Jun Wang , Linlin Shen , Yong Xu , Xiaochun Cao

Multimodal Large Language Models (MLLMs) typically process a large number of visual tokens, leading to considerable computational overhead, even though many of these tokens are redundant. Existing visual token pruning methods primarily…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Jinhong Deng , Wen Li , Joey Tianyi Zhou , Yang He

The quadratic computational cost of processing vision tokens in Multimodal Large Language Models (MLLMs) hinders their widespread adoption. While progressive vision token pruning offers a promising solution, current methods misinterpret…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Hao Wu , Yingqi Fan , Jinyang Dai , Junlong Tong , Yunpu Ma , Xiaoyu Shen

The rapid success of Vision Large Language Models (VLLMs) often depends on the high-resolution images with abundant visual tokens, which hinders training and deployment efficiency. Current training-free visual token compression methods…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Jianjian Li , Junquan Fan , Feng Tang , Gang Huang , Shitao Zhu , Songlin Liu , Nian Xie , Wulong Liu , Yong Liao

Large language models (LLMs) deliver impressive results but face challenges from increasing model sizes and computational costs. Structured pruning reduces model size and speeds up inference but often causes uneven degradation across…

Computation and Language · Computer Science 2025-05-28 Hexuan Deng , Wenxiang Jiao , Xuebo Liu , Jing Li , Min Zhang , Zhaopeng Tu

Efficient key-value (KV) cache compression is critical for scaling transformer-based Large Language Models (LLMs) in long sequences and resource-limited settings. Existing methods evict tokens based on their positions or importance scores,…

Computation and Language · Computer Science 2025-05-19 Ziwei He , Jian Yuan , Haoli Bai , Jingwen Leng , Bo Jiang

In this paper, we present LLaVA-Scissor, a training-free token compression strategy designed for video multimodal large language models. Previous methods mostly attempt to compress tokens based on attention scores, but fail to effectively…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Boyuan Sun , Jiaxing Zhao , Xihan Wei , Qibin Hou

Large Vision-Language Models (LVLMs) have demonstrated remarkable capabilities across a range of multimodal tasks. However, their inference efficiency is constrained by the large number of visual tokens processed during decoding. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Yu Meng , Kaiyuan Li , Chenran Huang , Chen Gao , Xinlei Chen , Yong Li , Xiaoping Zhang

Implicit Neural Representations for Videos (NeRV) have emerged as a powerful paradigm for video representation, enabling direct mappings from frame indices to video frames. However, existing NeRV-based methods do not fully exploit temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Jiancheng Zhao , Yifan Zhan , Qingtian Zhu , Mingze Ma , Muyao Niu , Zunian Wan , Xiang Ji , Yinqiang Zheng

We introduce Speech Information Retrieval (SIR), a new long-context task for Speech Large Language Models (Speech LLMs), and present SPIRAL, a 1,012-sample benchmark testing models' ability to extract critical details from approximately…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-01 Yueqian Lin , Yuzhe Fu , Jingyang Zhang , Yudong Liu , Jianyi Zhang , Jingwei Sun , Hai "Helen" Li , Yiran Chen

To fit diverse display and bandwidth constraints, high-frame-rate videos are temporally downscaled to low-frame-rate (LFR) and later upscaled, requiring joint optimization for effective frame-rate rescaling. However, existing methods…

Image and Video Processing · Electrical Eng. & Systems 2026-05-18 Xinmin Feng , Li Li , Dong Liu , Feng Wu

Omnimodal Large Language Models (Omni-LLMs) incur substantial computational overhead due to the large number of multimodal input tokens they process, making token reduction essential for real-world deployment. Existing Omni-LLM pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Chaeyoung Jung , Kyeongha Rho , Joon Son Chung

Large multimodal models (LMMs) suffer significant computational challenges due to the high cost of Large Language Models (LLMs) and the quadratic complexity of processing long vision token sequences. In this paper, we explore the spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Hao Tang , Chengchao Shen

While multimodal large language models demonstrate strong performance in complex reasoning tasks, they pose significant challenges related to model complexity during deployment, especially for resource-limited devices. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Yinan Liang , Ziwei Wang , Xiuwei Xu , Jie Zhou , Jiwen Lu

Large Multimodal Models (LMMs) have demonstrated impressive performance in short video understanding tasks but face great challenges when applied to long video understanding. In contrast, Large Language Models (LLMs) exhibit outstanding…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Hongchen Wei , Zhenzhong Chen

Recent advancements in generative large language models (LLMs) have significantly boosted the performance in natural language processing tasks. However, their efficiency is hampered by the inherent limitations in autoregressive token…

Machine Learning · Computer Science 2024-02-22 Shuzhang Zhong , Zebin Yang , Meng Li , Ruihao Gong , Runsheng Wang , Ru Huang