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In the past few years, the field of computer vision has gone through a revolution fueled mainly by the advent of large datasets and the adoption of deep convolutional neural networks for end-to-end learning. The person re-identification…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Alexander Hermans , Lucas Beyer , Bastian Leibe

We present a novel approach for the problem of frequency estimation in data streams that is based on optimization and machine learning. Contrary to state-of-the-art streaming frequency estimation algorithms, which heavily rely on random…

数据结构与算法 · 计算机科学 2022-07-19 Dimitris Bertsimas , Vassilis Digalakis

Federated learning is a learning method for training models over multiple participants without directly sharing their raw data, and it has been expected to be a privacy protection method for training data. In contrast, attack methods have…

密码学与安全 · 计算机科学 2023-08-02 Rei Aso , Sayaka Shiota , Hitoshi Kiya

In this paper, a streaming transmission setup is considered where an encoder observes a new message in the beginning of each block and a decoder sequentially decodes each message after a delay of $T$ blocks. In this streaming setup, the…

信息论 · 计算机科学 2016-04-26 Si-Hyeon Lee , Vincent Y. F. Tan , Ashish Khisti

Imagine a smart camera trap selectively clicking pictures to understand animal movement patterns within a particular habitat. These "snapshots", or pieces of data captured from a data stream at adaptively chosen times, provide a glimpse of…

机器学习 · 计算机科学 2024-12-10 Pramith Devulapalli , Steve Hanneke

The exponentially increasing use of moving platforms for video capture introduces the urgent need to develop the general background subtraction algorithms with the capability to deal with the moving background. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2017-09-06 Yizhe Zhu , Ahmed Elgammal

Several unsupervised and self-supervised approaches have been developed in recent years to learn visual features from large-scale unlabeled datasets. Their main drawback however is that these methods are hardly able to recognize visual…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Alessandra Alfani , Federico Becattini , Lorenzo Seidenari , Alberto Del Bimbo

The increasing realism and accessibility of deepfakes have raised critical concerns about media authenticity and information integrity. Despite recent advances, deepfake detection models often struggle to generalize beyond their training…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Stelios Mylonas , Symeon Papadopoulos

In recent years, the explosion of web videos makes text-video retrieval increasingly essential and popular for video filtering, recommendation, and search. Text-video retrieval aims to rank relevant text/video higher than irrelevant ones.…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Chen Jiang , Hong Liu , Xuzheng Yu , Qing Wang , Yuan Cheng , Jia Xu , Zhongyi Liu , Qingpei Guo , Wei Chu , Ming Yang , Yuan Qi

This paper presents VideoStreaming, an advanced vision-language large model (VLLM) for video understanding, that capably understands arbitrary-length video with a constant number of video tokens streamingly encoded and adaptively selected.…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Rui Qian , Xiaoyi Dong , Pan Zhang , Yuhang Zang , Shuangrui Ding , Dahua Lin , Jiaqi Wang

Automated cyber threat detection in computer networks is a major challenge in cybersecurity. The cyber domain has inherent challenges that make traditional machine learning techniques problematic, specifically the need to learn continually…

密码学与安全 · 计算机科学 2021-04-29 Frank W. Bentrem , Michael A. Corsello , Joshua J. Palm

Powered by machine learning services in the cloud, numerous learning-driven mobile applications are gaining popularity in the market. As deep learning tasks are mostly computation-intensive, it has become a trend to process raw data on…

机器学习 · 计算机科学 2021-06-16 Shuang Zhang , Liyao Xiang , Congcong Li , Yixuan Wang , Quanshi Zhang , Wei Wang , Bo Li

Website fingerprinting (WF) attacks, which covertly monitor user communications to identify the web pages they visit, pose a serious threat to user privacy. Existing WF defenses attempt to reduce attack accuracy by disrupting traffic…

密码学与安全 · 计算机科学 2026-02-23 Siyuan Liang , Jiajun Gong , Tianmeng Fang , Aishan Liu , Tao Wang , Xiaochun Cao , Dacheng Tao , Ee-Chien Chang

Bandwidth consumption is a significant concern for online video service providers. Practical video streaming systems usually use some form of HTTP streaming (progressive download) to let users download the video at a faster rate than the…

多媒体 · 计算机科学 2014-04-11 Liang Chen , Yipeng Zhou , Dah Ming Chiu

Network traffic is growing at an outpaced speed globally. The modern network infrastructure makes classic network intrusion detection methods inefficient to classify an inflow of vast network traffic. This paper aims to present a modern…

机器学习 · 计算机科学 2021-01-05 Harsh Dhillon , Anwar Haque

Modern applications increasingly involve highly sensitive network data, where raw edges cannot be shared due to privacy constraints. We propose \texttt{TransNet}, a new spectral clustering-based transfer learning framework that improves…

机器学习 · 统计学 2026-04-15 Xiao Guo , Xuming He , Xiangyu Chang , Shujie Ma

Video Large Language Models (Video-LLMs) excel at understanding videos in-context, provided they have full access to the video when answering queries. However, these models face challenges in streaming scenarios where hour-long videos must…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Vaggelis Dorovatas , Soroush Seifi , Gunshi Gupta , Rahaf Aljundi

In recent years, various deep learning techniques have been exploited in side channel attacks, with the anticipation of obtaining more appreciable attack results. Most of them concentrate on improving network architectures or putting…

密码学与安全 · 计算机科学 2024-01-18 Zhimin Luo , Mengce Zheng , Ping Wang , Minhui Jin , Jiajia Zhang , Honggang Hu

To avoid delays arising from a need to decrypt a video prior to transcoding and then re-encrypt it afterwards, this paper assesses a selective encryption (SE) content protection scheme. The scheme is suited to both recent standardized…

多媒体 · 计算机科学 2019-02-20 Rizwan A. Shah , Mamoona N. Asghar , Saima Abdullah , Martin Fleury , Neelam Gohar

Video segmentation -- partitioning video frames into multiple segments or objects -- plays a critical role in a broad range of practical applications, from enhancing visual effects in movie, to understanding scenes in autonomous driving, to…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Tianfei Zhou , Fatih Porikli , David Crandall , Luc Van Gool , Wenguan Wang