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Modeling the processing chain that has produced a video is a difficult reverse engineering task, even when the camera is available. This makes model based video processing a still more complex task. In this paper we propose a fully blind…

Computer Vision and Pattern Recognition · Computer Science 2020-02-26 Thibaud Ehret , Axel Davy , Jean-Michel Morel , Gabriele Facciolo , Pablo Arias

We recover a video of the motion taking place in a hidden scene by observing changes in indirect illumination in a nearby uncalibrated visible region. We solve this problem by factoring the observed video into a matrix product between the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Miika Aittala , Prafull Sharma , Lukas Murmann , Adam B. Yedidia , Gregory W. Wornell , William T. Freeman , Fredo Durand

Two sequential camera source identification methods are proposed. Sequential tests implement a log-likelihood ratio test in an incremental way, thus enabling a reliable decision with a minimal number of observations. One of our methods…

Cryptography and Security · Computer Science 2015-10-14 Fernando Pérez-González , Iria González-Iglesias , Miguel Masciopinto , Pedro Comesaña

We address the problem of anomaly detection in videos. The goal is to identify unusual behaviours automatically by learning exclusively from normal videos. Most existing approaches are usually data-hungry and have limited generalization…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Yiwei Lu , Frank Yu , Mahesh Kumar Krishna Reddy , Yang Wang

This paper proposes a novel approach to create an automated visual surveillance system which is very efficient in detecting and tracking moving objects in a video captured by moving camera without any apriori information about the captured…

Computer Vision and Pattern Recognition · Computer Science 2017-06-09 Kumar S. Ray , Soma Chakraborty

Applying image processing algorithms independently to each video frame often leads to temporal inconsistency in the resulting video. To address this issue, we present a novel and general approach for blind video temporal consistency. Our…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Chenyang Lei , Yazhou Xing , Qifeng Chen

We present a general framework and method for simultaneous detection and segmentation of an object in a video that moves (or comes into view of the camera) at some unknown time in the video. The method is an online approach based on motion…

Computer Vision and Pattern Recognition · Computer Science 2016-05-25 Dong Lao , Ganesh Sundaramoorthi

The escalating quality of video generated by advanced video generation methods results in new security challenges, while there have been few relevant research efforts: 1) There is no open-source dataset for generated video detection, 2) No…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Long Ma , Zhiyuan Yan , Qinglang Guo , Yong Liao , Haiyang Yu , Pengyuan Zhou

There is lots of scientific work about object detection in images. For many applications like for example autonomous driving the actual data on which classification has to be done are videos. This work compares different methods, especially…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Ahmad B Qasim , Arnd Pettirsch

Object detection is a crucial task in computer vision that aims to identify and localize objects in images or videos. The recent advancements in deep learning and Convolutional Neural Networks (CNNs) have significantly improved the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Hrishitva Patel

Video smoke detection is a promising fire detection method especially in open or large spaces and outdoor environments. Traditional video smoke detection methods usually consist of candidate region extraction and classification, but lack…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Gao Xu , Yongming Zhang , Qixing Zhang , Gaohua Lin , Zhong Wang , Yang Jia , Jinjun Wang

Source code plagiarism detection is a problem that has been addressed several times before; and several tools have been developed for that purpose. In this research project we investigated a set of possible disguises that can be…

Other Computer Science · Computer Science 2017-11-08 Hatem A. Mahmoud

The expanse of information available over the internet makes it difficult to identify whether a specific work is a replica or a duplication of a protected work, especially if we talk about visual representations. Strategies are planned to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Ashutosh , Rahul Jashvantbhai Pandya

Identifying user's identity is a key problem in many data mining applications, such as product recommendation, customized content delivery and criminal identification. Given a set of accounts from the same or different social network…

Computer Vision and Pattern Recognition · Computer Science 2016-10-26 Xiang Jiang , Shikui Wei , Ruizhen Zhao , Yao Zhao , Xindong Wu

One of the most terrifying phenomenon nowadays is the DeepFake: the possibility to automatically replace a person's face in images and videos by exploiting algorithms based on deep learning. This paper will present a brief overview of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Luca Guarnera , Oliver Giudice , Cristina Nastasi , Sebastiano Battiato

Detecting facial forgery images and videos is an increasingly important topic in multimedia forensics. As forgery images and videos are usually compressed into different formats such as JPEG and H264 when circulating on the Internet,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Shenhao Cao , Qin Zou , Xiuqing Mao , Zhongyuan Wang

Many visual surveillance tasks, e.g.video summarisation, is conventionally accomplished through analysing imagerybased features. Relying solely on visual cues for public surveillance video understanding is unreliable, since visual…

Computer Vision and Pattern Recognition · Computer Science 2015-02-10 Xiatian Zhu , Chen Change Loy , Shaogang Gong

This study proposes a method for the real-time detection and recognition of targets in streetscape videos. The proposed method is based on separation confidence computation and scale synthesis optimization. We use the proposed method to…

Image and Video Processing · Electrical Eng. & Systems 2018-06-12 Liu Jian-min

The Digital Forgeries though not visibly identifiable to human perception it may alter or meddle with underlying natural statistics of digital content. Tampering involves fiddling with video content in order to cause damage or make…

Multimedia · Computer Science 2015-03-04 Sowmya K. N. , H. R. Chennamma

Different from static images, videos contain additional temporal and spatial information for better object detection. However, it is costly to obtain a large number of videos with bounding box annotations that are required for supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Zhongjie Yu , Gaoang Wang , Lin Chen , Sebastian Raschka , Jiebo Luo