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Advances in photo editing and manipulation tools have made it significantly easier to create fake imagery. Learning to detect such manipulations, however, remains a challenging problem due to the lack of sufficient amounts of manipulated…

计算机视觉与模式识别 · 计算机科学 2018-09-07 Minyoung Huh , Andrew Liu , Andrew Owens , Alexei A. Efros

We propose a new method to detect deepfake images using the cue of the source feature inconsistency within the forged images. It is based on the hypothesis that images' distinct source features can be preserved and extracted after going…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Tianchen Zhao , Xiang Xu , Mingze Xu , Hui Ding , Yuanjun Xiong , Wei Xia

Web-based AI image generation has become an innovative art form that can generate novel artworks with the rapid development of the diffusion model. However, this new technique brings potential copyright infringement risks as it may…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Junlei Zhou , Jiashi Gao , Ziwei Wang , Xuetao Wei

Detecting carried objects is one of the requirements for developing systems to reason about activities involving people and objects. We present an approach to detect carried objects from a single video frame with a novel method that…

计算机视觉与模式识别 · 计算机科学 2018-01-12 Farnoosh Ghadiri , Robert Bergevin , Guillaume-Alexandre Bilodeau

This paper presents a novel application to detect counterfeit identity documents forged by a scan-printing operation. Texture analysis approaches are proposed to extract validation features from security background that is usually printed…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Albert Berenguel , Oriol Ramos Terrades , Josep Lladós , Cristina Cañero

The increasing realism of generated images has raised significant concerns about their potential misuse, necessitating robust detection methods. Current approaches mainly rely on training binary classifiers, which depend heavily on the…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Yonggang Zhang , Jun Nie , Xinmei Tian , Mingming Gong , Kun Zhang , Bo Han

We present a simple cross-lingual plagiarism detection method applicable to a large number of languages. The presented approach leverages open multilingual thesauri for candidate retrieval task and pre-trained multilingual BERT-based…

计算与语言 · 计算机科学 2023-04-06 Karen Avetisyan , Arthur Malajyan , Tsolak Ghukasyan , Arutyun Avetisyan

The digital images from various sources are ubiquitous due to easy availability of high bandwidth Internet. Digital images are easy to tamper with good or bad intentions. Non-availability of pre-embedded information in digital images makes…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Kshipra Tatkare , Manoj Devare

The content based image retrieval aims to find the similar images from a large scale dataset against a query image. Generally, the similarity between the representative features of the query image and dataset images is used to rank the…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Shiv Ram Dubey

Data stream monitoring is a crucial task which has a wide range of applications. The majority of existing research in this area can be broadly classified into two types, monitoring value sum and monitoring value cardinality. In this paper,…

数据库 · 计算机科学 2025-05-21 Siyuan Dong , Yuxuan Tian , Wenhan Ma , Tong Yang , Chenye Zhang , Yuhan Wu , Kaicheng Yang , Yaojing Wang

We study clustering on graphs with multiple edge types. Our main motivation is that similarities between objects can be measured in many different metrics. For instance similarity between two papers can be based on common authors, where…

社会与信息网络 · 计算机科学 2011-09-09 Matthew Rocklin , Ali Pinar

Source code plagiarism is a significant issue in educational practice, and educators need user-friendly tools to cope with such academic dishonesty. This article introduces the latest version of Dolos, a state-of-the-art ecosystem of tools…

The modern science of networks has brought significant advances to our understanding of complex systems. One of the most relevant features of graphs representing real systems is community structure, or clustering, i. e. the organization of…

物理与社会 · 物理学 2010-09-17 Santo Fortunato

As image tampering becomes ever more sophisticated and commonplace, the need for image forensics algorithms that can accurately and quickly detect forgeries grows. In this paper, we revisit the ideas of image querying and retrieval to…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Joel Brogan , Paolo Bestagini , Aparna Bharati , Allan Pinto , Daniel Moreira , Kevin Bowyer , Patrick Flynn , Anderson Rocha , Walter Scheirer

Perceptual image hashing methods are often applied in various objectives, such as image retrieval, finding duplicate or near-duplicate images, and finding similar images from large-scale image content. The main challenge in image hashing…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Rubel Biswas , Pablo Blanco-Medina

Unlike their line-based counterparts, surface-based techniques have yet to be thoroughly investigated in flow visualization due to their significant placement, speed, perception, and evaluation challenges. This paper presents SurfPatch, a…

图形学 · 计算机科学 2025-01-07 Delin An , Chaoli Wang

Design patterns being applied more and more to solve the software engineering difficulties in the object oriented software design procedures. So, the design pattern detection is widely used by software industries. Currently, many solutions…

软件工程 · 计算机科学 2014-08-27 Afnan Salem Ba-Brahem , M. Rizwan Jameel Qureshi

Digital Photo images are everywhere around us in journals, on walls, and over the Internet. However we have to be conscious that seeing does not always imply reality. Photo images become a rich subject of manipulations due to the advanced…

密码学与安全 · 计算机科学 2021-10-19 Ahmad M. Nagm , Mohamed Torky , Khaled Y. Youssef

Visual arts are of inestimable importance for the cultural, historic and economic growth of our society. One of the building blocks of most analysis in visual arts is to find similarity relationships among paintings of different artists and…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Giovanna Castellano , Eufemia Lella , Gennaro Vessio

Visual chart recognition systems are gaining increasing attention due to the growing demand for automatically identifying table headers and values from chart images. Current methods rely on keypoint detection to estimate data element shapes…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Wenyuan Xue , Dapeng Chen , Baosheng Yu , Yifei Chen , Sai Zhou , Wei Peng