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We present VPN - a content attribution method for recovering provenance information from videos shared online. Platforms, and users, often transform video into different quality, codecs, sizes, shapes, etc. or slightly edit its content such…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Alexander Black , Tu Bui , Simon Jenni , Vishy Swaminathan , John Collomosse

Understanding and tuning the performance of extreme-scale parallel computing systems demands a streaming approach due to the computational cost of applying offline algorithms to vast amounts of performance log data. Analyzing large…

分布式、并行与集群计算 · 计算机科学 2020-01-28 Suraj P. Kesavan , Takanori Fujiwara , Jianping Kelvin Li , Caitlin Ross , Misbah Mubarak , Christopher D. Carothers , Robert B. Ross , Kwan-Liu Ma

The explosive growth of video data in recent years has brought higher demands for video analytics, where accuracy and efficiency remain the two primary concerns. Deep neural networks (DNNs) have been widely adopted to ensure accuracy;…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Shanjiang Tang , Rui Huang , Hsinyu Luo , Chunjiang Wang , Ce Yu , Yusen Li , Hao Fu , Chao Sun , and Jian Xiao

Free-view video (FVV) allows users to explore immersive video content from multiple views. However, delivering FVV poses significant challenges due to the uncertainty in view switching, combined with the substantial bandwidth and…

多媒体 · 计算机科学 2025-01-24 Qiang Hu , Qihan He , Houqiang Zhong , Guo Lu , Xiaoyun Zhang , Guangtao Zhai , Yanfeng Wang

Video large language models (VideoLLMs) show strong capability in video understanding, yet long-context inference is still dominated by massive redundant visual tokens in the prefill stage. We revisit token compression for VideoLLMs under a…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Xinying Lin , Xuyang Liu , Yiyu Wang , Teng Ma , Wenqi Ren

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,…

多媒体 · 计算机科学 2025-12-18 Fei Zhao , Mengxi Guo , Shijie Zhao , Junlin Li , Li Zhang , Xiaodong Xie

Modern applications span multiple clouds to reduce costs, avoid vendor lock-in, and leverage low-availability resources in another cloud. However, standard object stores operate within a single cloud, forcing users to manually manage data…

Video analytics systems perform automatic events, movements, and actions recognition in a video and make it possible to execute queries on the video. As a result of a large number of video data that need to be processed, optimizing the…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Nada Ibrahim , Preeti Maurya , Omid Jafari , Parth Nagarkar

On the rise of distributed computing technologies, video big data analytics in the cloud have attracted researchers and practitioners' attention. The current technology and market trends demand an efficient framework for video big data…

分布式、并行与集群计算 · 计算机科学 2020-11-06 Aftab Alam , Shah Khalid , Muhammad Numan Khan , Tariq Habib Afridi , Irfan Ullah , Young-Koo Lee

Recent developments in Video Large Language Models (Video LLMs) have enabled models to process hour-long videos and exhibit exceptional performance. Nonetheless, the Key-Value (KV) cache expands linearly over time, leading to substantial…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Zhenyu Ning , Guangda Liu , Qihao Jin , Chengwei Li , Wenchao Ding , Minyi Guo , Jieru Zhao

Despite the recent advancement in video stylization, most existing methods struggle to render any video with complex transitions, based on an open style description of user query. To fill this gap, we introduce a generic multi-agent system…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Zhengrong Yue , Shaobin Zhuang , Kunchang Li , Yanbo Ding , Yali Wang

The increase in video streaming has presented a challenge of handling stream request effectively, especially over networks that are variable. This paper describes a new adaptive video streaming architecture capable of changing the video…

网络与互联网体系结构 · 计算机科学 2025-02-05 Mohammad Tarik , Qutaiba Ibrahim

Vision-Language Models (VLMs) have demonstrated impressive performance across a versatile set of tasks. A key challenge in accelerating VLMs is storing and accessing the large Key-Value (KV) cache that encodes long visual contexts, such as…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Dezhan Tu , Danylo Vashchilenko , Yuzhe Lu , Panpan Xu

Video Coding for Machines (VCM) is committed to bridging to an extent separate research tracks of video/image compression and feature compression, and attempts to optimize compactness and efficiency jointly from a unified perspective of…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Wenhan Yang , Haofeng Huang , Yueyu Hu , Ling-Yu Duan , Jiaying Liu

Now that everyone can easily record videos, the quantity of which is continuously increasing, research on methods for improved video retrieval is important in the contemporary world. In cases where target videos are to be identified within…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Sho Maeoki , Kohei Uehara , Tatsuya Harada

With the rapid advancement of video generation models such as Sora, video quality assessment (VQA) is becoming increasingly crucial for selecting high-quality videos from large-scale datasets used in pre-training. Traditional VQA methods,…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Yanyun Pu , Kehan Li , Zeyi Huang , Zhijie Zhong , Kaixiang Yang

Recently, dataset condensation has made significant progress in the image domain. Unlike images, videos possess an additional temporal dimension, which harbors considerable redundant information, making condensation even more crucial.…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Yang Chen , Sheng Guo , Bo Zheng , Limin Wang

Recently, deep learning has been utilized to solve video recognition problem due to its prominent representation ability. Deep neural networks for video tasks is highly customized and the design of such networks requires domain experts and…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Zihao Wang , Chen Lin , Lu Sheng , Junjie Yan , Jing Shao

This paper aims to solve the problem of large-scale video retrieval by a query image. Firstly, we define the problem of top-$k$ image to video query. Then, we combine the merits of convolutional neural networks(CNN for short) and Bag of…

多媒体 · 计算机科学 2018-10-16 Chengyuan Zhang , Yunwu Lin , Lei Zhu , Anfeng Liu , Zuping Zhang , Fang Huang

Video Question Answering (VQA) in long videos poses the key challenge of extracting relevant information and modeling long-range dependencies from many redundant frames. The self-attention mechanism provides a general solution for sequence…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Md Mohaiminul Islam , Tushar Nagarajan , Huiyu Wang , Gedas Bertasius , Lorenzo Torresani