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Social media, self-driving cars, and traffic cameras produce video streams at large scales and cheap cost. However, storing and querying video at such scales is prohibitively expensive. We propose to treat large-scale video analytics as a…

数据库 · 计算机科学 2024-06-21 Ferdinand Kossmann , Ziniu Wu , Eugenie Lai , Nesime Tatbul , Lei Cao , Tim Kraska , Samuel Madden

Vector database management systems have emerged as an important component in modern data management, driven by the growing importance for the need to computationally describe rich data such as texts, images and video in various domains such…

数据库 · 计算机科学 2025-01-15 Toni Taipalus

This paper introduces StreamV2V, a diffusion model that achieves real-time streaming video-to-video (V2V) translation with user prompts. Unlike prior V2V methods using batches to process limited frames, we opt to process frames in a…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Feng Liang , Akio Kodaira , Chenfeng Xu , Masayoshi Tomizuka , Kurt Keutzer , Diana Marculescu

The rapid advancement of diffusion models has greatly improved video synthesis, especially in controllable video generation, which is vital for applications like autonomous driving. Although DiT with 3D VAE has become a standard framework…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Ruiyuan Gao , Kai Chen , Bo Xiao , Lanqing Hong , Zhenguo Li , Qiang Xu

Given a collection of videos, how to detect content-based copies efficiently with high accuracy? Detecting copies in large video collections still remains one of the major challenges of multimedia retrieval. While many video copy detection…

多媒体 · 计算机科学 2018-04-20 Jörg P. Bachmann , Benjamin Hauskeller

The massive increase in the data volume and dataset availability for analysts compels researchers to focus on data content and select high-quality datasets to enhance the performance of analytics operators. While selecting high-quality data…

机器学习 · 计算机科学 2025-08-25 Andreas Loizou , Dimitrios Tsoumakos

With the advent of the Internet-of-Things (IoT), handling large volumes of time-series data has become a growing concern. Data, generated from millions of Internet-connected sensors, will drive new IoT applications and services. A key…

数据库 · 计算机科学 2016-05-10 Daniel G. Waddington , Changhui Lin

Multimodal Large Language Models (MLLMs) have shown promising progress in understanding and analyzing video content. However, processing long videos remains a significant challenge constrained by LLM's context size. To address this…

Streaming video question answering (Streaming Video QA) poses distinct challenges for multimodal large language models (MLLMs), as video frames arrive sequentially and user queries can be issued at arbitrary time points. Existing solutions…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Haocheng Lu , Nan Zhang , Wei Tao , Xiaoyang Qu , Guokuan Li , Jiguang Wan , Jianzong Wang

The proliferation of multimedia devices over the Internet of Things (IoT) generates an unprecedented amount of data. Consequently, the world has stepped into the era of big data. Recently, on the rise of distributed computing technologies,…

分布式、并行与集群计算 · 计算机科学 2020-11-17 Aftab Alam , Irfan Ullah , Young-Koo Lee

Magnetic tapes are often considered as an outdated storage technology, yet they are still used to store huge amounts of data. Their main interests are a large capacity and a low price per gigabyte, which come at the cost of a much larger…

分布式、并行与集群计算 · 计算机科学 2022-05-05 Valentin Honoré , Bertrand Simon , Frédéric Suter

The rise of microservice architectures has revolutionized application design, fostering adaptability and resilience. These architectures facilitate scaling and encourage collaborative efforts among specialized teams, streamlining deployment…

分布式、并行与集群计算 · 计算机科学 2023-11-21 Herve Mbikayi Kabamba , Matthew Khouzam , Michel Dagenais

Video super-resolution (VSR), with the aim to restore a high-resolution video from its corresponding low-resolution version, is a spatial-temporal sequence prediction problem. Recently, Transformer has been gaining popularity due to its…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Jiezhang Cao , Yawei Li , Kai Zhang , Luc Van Gool

We present pure-transformer based models for video classification, drawing upon the recent success of such models in image classification. Our model extracts spatio-temporal tokens from the input video, which are then encoded by a series of…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Anurag Arnab , Mostafa Dehghani , Georg Heigold , Chen Sun , Mario Lučić , Cordelia Schmid

Researchers have presented systems for efficiently analysing video data at scale using sampling algorithms. While these systems effectively leverage the temporal redundancy present in videos, they suffer from three limitations. First, they…

数据库 · 计算机科学 2021-04-06 Jaeho Bang , Pramod Chunduri , Joy Arulraj

The demand for efficient multi-rate encoding techniques has surged with the increasing prevalence of ultra-high-definition (UHD) video content, particularly in adaptive streaming scenarios where a single video must be encoded at multiple…

多媒体 · 计算机科学 2025-10-17 Vignesh V Menon , Adam Wieckowski , Yiquin Liu , Benjamin Bross , Detlev Marpe

The distributed system use to enhance the performance of all types of multimedia service in the next generation network. The packet loss occurs in the video on demand system due to delay and huge traffic load from the both sides of client…

网络与互联网体系结构 · 计算机科学 2012-06-18 Soumen Kanrar

Video quality assessment (VQA) is an important processing task, aiming at predicting the quality of videos in a manner highly consistent with human judgments of perceived quality. Traditional VQA models based on natural image and/or video…

图像与视频处理 · 电气工程与系统科学 2024-12-12 Qi Zheng , Yibo Fan , Leilei Huang , Tianyu Zhu , Jiaming Liu , Zhijian Hao , Shuo Xing , Chia-Ju Chen , Xiongkuo Min , Alan C. Bovik , Zhengzhong Tu

We present BigSparse, a fully external graph analytics system that picks up where semi-external systems like FlashGraph and X-Stream, which only store vertex data in memory, left off. BigSparse stores both edge and vertex data in an array…

数据库 · 计算机科学 2017-10-24 Sang-Woo Jun , Andy Wright , Sizhuo Zhang , Shuotao Xu , Arvind

State-of-the-art video-text retrieval (VTR) methods typically involve fully fine-tuning a pre-trained model (e.g. CLIP) on specific datasets. However, this can result in significant storage costs in practical applications as a separate…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Xiaojie Jin , Bowen Zhang , Weibo Gong , Kai Xu , XueQing Deng , Peng Wang , Zhao Zhang , Xiaohui Shen , Jiashi Feng