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Masked Video Autoencoder (MVA) approaches have demonstrated their potential by significantly outperforming previous video representation learning methods. However, they waste an excessive amount of computations and memory in predicting…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Sunil Hwang , Jaehong Yoon , Youngwan Lee , Sung Ju Hwang

Modern video codecs and learning-based approaches struggle for semantic reconstruction at extremely low bit-rates due to reliance on low-level spatiotemporal redundancies. Generative models, especially diffusion models, offer a new paradigm…

Image and Video Processing · Electrical Eng. & Systems 2026-02-06 Maojun Zhang , Haotian Wu , Richeng Jin , Deniz Gunduz , Krystian Mikolajczyk

While most existing neural image compression (NIC) and neural video compression (NVC) methodologies have achieved remarkable success, their optimization is primarily focused on human visual perception. However, with the rapid development of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Lei Liu , Zhenghao Chen , Zhihao Hu , Dong Xu

The scalability of video understanding models is increasingly limited by the prohibitive storage and computational costs of large-scale video datasets. While data synthesis has improved data efficiency in the image domain, its extension to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Shaobo Wang , Tianle Niu , Runkang Yang , Deshan Liu , Xu He , Zichen Wen , Conghui He , Xuming Hu , Linfeng Zhang

Training robust deep video representations has proven to be computationally challenging due to substantial decoding overheads, the enormous size of raw video streams, and their inherent high temporal redundancy. Different from existing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Shristi Das Biswas , Efstathia Soufleri , Arani Roy , Kaushik Roy

A main goal in developing video-compression algorithms is to enhance human-perceived visual quality while maintaining file size. But modern video-analysis efforts such as detection and recognition, which are integral to video surveillance…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Mikhail Dremin , Konstantin Kozhemyakov , Ivan Molodetskikh , Malakhov Kirill , Artur Sagitov , Dmitriy Vatolin

Recent incremental learning for action recognition usually stores representative videos to mitigate catastrophic forgetting. However, only a few bulky videos can be stored due to the limited memory. To address this problem, we propose…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Yixuan Pei , Zhiwu Qing , Jun Cen , Xiang Wang , Shiwei Zhang , Yaxiong Wang , Mingqian Tang , Nong Sang , Xueming Qian

Recent advances in deep generative modeling have enabled efficient modeling of high dimensional data distributions and opened up a new horizon for solving data compression problems. Specifically, autoencoder based learned image or video…

Machine Learning · Computer Science 2020-04-10 Adam Golinski , Reza Pourreza , Yang Yang , Guillaume Sautiere , Taco S Cohen

Processing long-form videos with Video Large Language Models (Video-LLMs) is computationally prohibitive. Current efficiency methods often compromise fine-grained perception through irreversible information disposal or inhibit long-range…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Handong Li , Zikang Liu , Longteng Guo , Tongtian Yue , Yepeng Tang , Xinxin Zhu , Chuanyang Zheng , Ziming Wang , Zhibin Wang , Jun Song , Cheng Yu , Bo Zheng , Jing Liu

Deep learning-based computer vision systems adopt complex and large architectures to improve performance, yet they face challenges in deployment on resource-constrained mobile and edge devices. To address this issue, model compression…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Yoojin Jung , Byung Cheol Song

Recent video class-incremental learning usually excessively pursues the accuracy of the newly seen classes and relies on memory sets to mitigate catastrophic forgetting of the old classes. However, limited storage only allows storing a few…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Jian Jiao , Yu Dai , Hefei Mei , Heqian Qiu , Chuanyang Gong , Shiyuan Tang , Xinpeng Hao , Hongliang Li

This paper introduces ELMO, a real-time upsampling motion capture framework designed for a single LiDAR sensor. Modeled as a conditional autoregressive transformer-based upsampling motion generator, ELMO achieves 60 fps motion capture from…

Graphics · Computer Science 2024-12-03 Deok-Kyeong Jang , Dongseok Yang , Deok-Yun Jang , Byeoli Choi , Donghoon Shin , Sung-hee Lee

Most current video MLLMs rely on uniform frame sampling and image-level encoders, resulting in inefficient data processing and limited motion awareness. To address these challenges, we introduce EMA, an Efficient Motion-Aware video MLLM…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Zijia Zhao , Yuqi Huo , Tongtian Yue , Longteng Guo , Haoyu Lu , Bingning Wang , Weipeng Chen , Jing Liu

We propose a novel deep visual odometry (VO) method that considers global information by selecting memory and refining poses. Existing learning-based methods take the VO task as a pure tracking problem via recovering camera poses from image…

Robotics · Computer Science 2020-08-05 Fei Xue , Xin Wang , Junqiu Wang , Hongbin Zha

Most action recognition solutions rely on dense sampling to precisely cover the informative temporal clip. Extensively searching temporal region is expensive for a real-world application. In this work, we focus on improving the inference…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Chunhui Liu , Xinyu Li , Hao Chen , Davide Modolo , Joseph Tighe

Video coding, which targets to compress and reconstruct the whole frame, and feature compression, which only preserves and transmits the most critical information, stand at two ends of the scale. That is, one is with compactness and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Ling-Yu Duan , Jiaying Liu , Wenhan Yang , Tiejun Huang , Wen Gao

Streaming video requires handling dynamic information density under strict latency budgets. Yet, existing methods typically employ static strategies, such as fixed memory compression or reliance on a single model, forcing a trade-off: fast…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Jinming Liu , Jianguo Huang , Zhaoyang Jia , Jiahao Li , Xiaoyi Zhang , Zongyu Guo , Bin Li , Wenjun Zeng , Yan Lu , Xin Jin

Self-Supervised Video Hashing (SSVH) compresses videos into hash codes for efficient indexing and retrieval using unlabeled training videos. Existing approaches rely on random frame sampling to learn video features and treat all frames…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Niu Lian , Jun Li , Jinpeng Wang , Ruisheng Luo , Yaowei Wang , Shu-Tao Xia , Bin Chen

Video Large Language Models (Video-LLMs) have shown strong video understanding, yet their application to long-form videos remains constrained by limited context windows. A common workaround is to compress long videos into a handful of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yun Wang , Long Zhang , Jingren Liu , Jiaqi Yan , Zhanjie Zhang , Jiahao Zheng , Ao Ma , Run Ling , Xun Yang , Dapeng Wu , Xiangyu Chen , Xuelong Li

Recent studies in long video understanding have harnessed the advanced visual-language reasoning capabilities of Large Multimodal Models (LMMs), driving the evolution of video-LMMs specialized for processing extended video sequences.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Janghoon Cho , Jungsoo Lee , Munawar Hayat , Kyuwoong Hwang , Fatih Porikli , Sungha Choi