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In Composed Video Retrieval, a video and a textual description which modifies the video content are provided as inputs to the model. The aim is to retrieve the relevant video with the modified content from a database of videos. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Thomas Hummel , Shyamgopal Karthik , Mariana-Iuliana Georgescu , Zeynep Akata

There has been a growing trend in compressing and transmitting videos from terminals for machine vision tasks. Nevertheless, most video coding optimization method focus on minimizing distortion according to human perceptual metrics,…

Multimedia · Computer Science 2025-12-18 Fei Zhao , Mengxi Guo , Shijie Zhao , Junlin Li , Li Zhang , Xiaodong Xie

Lossless floating-point time series compression is crucial for a wide range of critical scenarios. Nevertheless, it is a big challenge to compress time series losslessly due to the complex underlying layouts of floating-point values. The…

Data Structures and Algorithms · Computer Science 2023-09-15 Ruiyuan Li , Zheng Li , Yi Wu , Chao Chen , Tong Liu , Yu Zheng

Few-shot meta-learning presents a challenge for gradient descent optimization due to the limited number of training samples per task. To address this issue, we propose an episodic memory optimization for meta-learning, we call EMO, which is…

Machine Learning · Computer Science 2023-06-28 Yingjun Du , Jiayi Shen , Xiantong Zhen , Cees G. M. Snoek

The widespread deployment of smartphones and location-enabled, networked in-vehicle devices renders it increasingly feasible to collect streaming trajectory data of moving objects. The continuous clustering of such data can enable a variety…

Databases · Computer Science 2021-09-27 Tianyi Li , Lu Chen , Christian S. Jensen , Torben Bach Pedersen , Jilin Hu

Accurate and efficient discrete video tokenization is essential for long video sequences processing. Yet, the inherent complexity and variable information density of videos present a significant bottleneck for current tokenizers, which…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Haotian Ye , Qiyuan He , Jiaqi Han , Puheng Li , Jiaojiao Fan , Zekun Hao , Fitsum Reda , Yogesh Balaji , Huayu Chen , Sheng Liu , Angela Yao , James Zou , Stefano Ermon , Haoxiang Wang , Ming-Yu Liu

The strong temporal consistency of surveillance video enables compelling compression performance with traditional methods, but downstream vision applications operate on decoded image frames with a high data rate. Since it is not…

Multimedia · Computer Science 2024-02-09 Andrew C. Freeman , Ketan Mayer-Patel , Montek Singh

Object tracking is an important functionality of edge video analytic systems and services. Multi-object tracking (MOT) detects the moving objects and tracks their locations frame by frame as real scenes are being captured into a video.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Sanjana Vijay Ganesh , Yanzhao Wu , Gaowen Liu , Ramana Kompella , Ling Liu

Vision agent memory has shown remarkable effectiveness in streaming video understanding. However, storing such memory for videos incurs substantial memory overhead, leading to high costs in both storage and computation. To address this…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Junxi Wang , Te Sun , Jiayi Zhu , Junxian Li , Haowen Xu , Zichen Wen , Xuming Hu , Zhiyu Li , Linfeng Zhang

Recently, with the emergence of large language models, multimodal LLMs have demonstrated exceptional capabilities in image and video modalities. Despite advancements in video comprehension, the substantial computational demands of long…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Ming Nie , Chunwei Wang , Hang Xu , Li Zhang

Understanding long-form video content presents significant challenges due to its temporal complexity and the substantial computational resources required. In this work, we propose an agent-based approach to enhance both the efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Sullam Jeoung , Goeric Huybrechts , Bhavana Ganesh , Aram Galstyan , Sravan Bodapati

Recent advances in deep learning have markedly improved the quality of visual-attention modelling. In this work we apply these advances to video compression. We propose a compression method that uses a saliency model to adaptively compress…

Computer Vision and Pattern Recognition · Computer Science 2019-07-25 Vitaliy Lyudvichenko , Mikhail Erofeev , Alexander Ploshkin , Dmitriy Vatolin

In this paper, we propose a framework named OCSampler to explore a compact yet effective video representation with one short clip for efficient video recognition. Recent works prefer to formulate frame sampling as a sequential decision task…

Computer Vision and Pattern Recognition · Computer Science 2022-01-13 Jintao Lin , Haodong Duan , Kai Chen , Dahua Lin , Limin Wang

Compression has been an important research topic for many decades, to produce a significant impact on data transmission and storage. Recent advances have shown a great potential of learning image and video compression. Inspired from related…

Image and Video Processing · Electrical Eng. & Systems 2019-07-01 Zhengxue Cheng , Heming Sun , Masaru Takeuchi , Jiro Katto

Automatic keyframe detection from videos is an exercise in selecting scenes that can best summarize the content for long videos. Providing a summary of the video is an important task to facilitate quick browsing and content summarization.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Samed Arslan , Senem Tanberk

A new unified video analytics framework (ER3) is proposed for complex event retrieval, recognition and recounting, based on the proposed video imprint representation, which exploits temporal correlations among image features across video…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Zhanning Gao , Le Wang , Nebojsa Jojic , Zhenxing Niu , Nanning Zheng , Gang Hua

The framework of dominant learned video compression methods is usually composed of motion prediction modules as well as motion vector and residual image compression modules, suffering from its complex structure and error propagation…

Image and Video Processing · Electrical Eng. & Systems 2021-04-14 Zhenhong Sun , Zhiyu Tan , Xiuyu Sun , Fangyi Zhang , Dongyang Li , Yichen Qian , Hao Li

With the rapid proliferation of the Internet of Things, video analytics has become a cornerstone application in wireless multimedia sensor networks. To support such applications under bandwidth constraints, learning-based adaptive…

Multimedia · Computer Science 2025-10-22 Yuheng Wu , Thanh-Tung Nguyen , Lucas Liebe , Quang Tau , Pablo Espinosa Campos , Jinghan Cheng , Dongman Lee

Feature coding has been recently considered to facilitate intelligent video analysis for urban computing. Instead of raw videos, extracted features in the front-end are encoded and transmitted to the back-end for further processing. In this…

Multimedia · Computer Science 2020-09-11 Weiyao Lin , Xiaoyi He , Wenrui Dai , John See , Tushar Shinde , Hongkai Xiong , Lingyu Duan

Deep neural networks are likely to fail when the test data is corrupted in real-world deployment (e.g., blur, weather, etc.). Test-time optimization is an effective way that adapts models to generalize to corrupted data during testing,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Chenyu Yi , Siyuan Yang , Yufei Wang , Haoliang Li , Yap-Peng Tan , Alex C. Kot