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The pharmaceutical manufacturing faces critical challenges due to the global threat of counterfeit drugs. This paper proposes a new approach of protected QR codes to secure unique product information for safeguarding the pharmaceutical…

Cryptography and Security · Computer Science 2026-02-24 Md Masruk Aulia , Nitol Saha , Md. Mostafizur Rahman

The issue of detecting deepfakes has garnered significant attention in the research community, with the goal of identifying facial manipulations for abuse prevention. Although recent studies have focused on developing generalized models…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Jiazhi Guan , Tianshu Hu , Hang Zhou , Zhizhi Guo , Lirui Deng , Chengbin Quan , Errui Ding , Youjian Zhao

Attestation of documents like legal papers, professional qualifications, medical records, and commercial documents is crucial in global transactions, ensuring their authenticity, integrity, and trustworthiness. Companies expanding…

Cryptography and Security · Computer Science 2025-11-13 Swapna Krishnakumar Radha , Andrey Kuehlkamp , Jarek Nabrzyski

Signature is widely used in human daily lives, and serves as a supplementary characteristic for verifying human identity. However, there is rare work of verifying signature. In this paper, we propose a few deep learning architectures to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Zihan Zeng , Jing Tian

The last-generation video conferencing software allows users to utilize a virtual background to conceal their personal environment due to privacy concerns, especially in official meetings with other employers. On the other hand, users maybe…

Cryptography and Security · Computer Science 2021-06-30 Mauro Conti , Simone Milani , Ehsan Nowroozi , Gabriele Orazi

Authentication is the act of confirming the truth of an attribute of a datum or entity. This might involve confirming the identity of a person, tracing the origins of an artefact, ensuring that a product is what it's packaging and labelling…

Cryptography and Security · Computer Science 2011-10-10 A. S. N. Chakravarthy , Penmetsa V. Krishna Raja , P. S. Avadhani

In this paper, we will present an algorithm to resolve the counterfeit coins problem in the case that the number of false coins is unknown in advance.

Combinatorics · Mathematics 2010-04-06 An-Ping Li

Face verification is a fast-growing authentication tool for everyday systems, such as smartphones. While current 2D face recognition methods are very accurate, it has been suggested recently that one may wish to add a 3D sensor to such…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Dana Weitzner , David Mendlovic , Raja Giryes

Document comparison typically relies on optical character recognition (OCR) as its core technology. However, OCR requires the selection of appropriate language models for each document and the performance of multilingual or hybrid models…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Doyoung Park , Naresh Reddy Yarram , Sunjin Kim , Minkyu Kim , Seongho Cho , Taehee Lee

In this paper, we propose to utilize Convolutional Neural Networks (CNNs) and the segmentation-based multi-scale analysis to locate tampered areas in digital images. First, to deal with color input sliding windows of different scales, a…

Computer Vision and Pattern Recognition · Computer Science 2018-12-26 Yaqi Liu , Qingxiao Guan , Xianfeng Zhao , Yun Cao

It is human nature to give prime importance to facial appearances. Often, to look good is to feel good. Also, facial features are unique to every individual on this planet, which means it is a source of vital information. This work proposes…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Sandesh Ramesh , Manoj Kumar M , Sanjay H A

In recent years, deep learning has greatly streamlined the process of manipulating photographic face images. Aware of the potential dangers, researchers have developed various tools to spot these counterfeits. Yet, none asks the fundamental…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Mian Zou , Baosheng Yu , Yibing Zhan , Siwei Lyu , Kede Ma

This paper presents an effective method for fingerprint verification based on a data mining technique called minutiae clustering and a graph-theoretic approach to analyze the process of fingerprint comparison to give a feature space…

Computer Vision and Pattern Recognition · Computer Science 2010-06-15 Minakshi Gogoi , D K Bhattacharyya

Website fingerprinting enables an attacker to infer which web page a client is browsing through encrypted or anonymized network connections. We present a new website fingerprinting technique based on random decision forests and evaluate…

Cryptography and Security · Computer Science 2016-02-22 Jamie Hayes , George Danezis

By applying artificial intelligence to image editing technology, it has become possible to generate high-quality images with minimal traces of manipulation. However, since these technologies can be misused for criminal activities such as…

Multimedia · Computer Science 2023-09-01 Jiwon Lee , Seungjae Jeon , Yunji Park , Jaehyun Chung , Doowon Jeong

Visual counterfeits are increasingly causing an existential conundrum in mainstream media with rapid evolution in neural image synthesis methods. Though detection of such counterfeits has been a taxing problem in the image forensics…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Keshigeyan Chandrasegaran , Ngoc-Trung Tran , Alexander Binder , Ngai-Man Cheung

Research on face spoofing detection has mainly been focused on analyzing the luminance of the face images, hence discarding the chrominance information which can be useful for discriminating fake faces from genuine ones. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2015-11-20 Zinelabidine Boulkenafet , Jukka Komulainen , Abdenour Hadid

In this paper, we propose a novel paper fingerprinting technique based on analyzing the translucent patterns revealed when a light source shines through the paper. These patterns represent the inherent texture of paper, formed by the random…

Cryptography and Security · Computer Science 2019-05-08 Ehsan Toreini , Siamak F. Shahandashti , Feng Hao

The problem of change detection in images finds application in different domains like diagnosis of diseases in the medical field, detecting growth patterns of cities through remote sensing, and finding changes in legal documents and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Abhinandan Kumar Pun , Mohammed Javed , David S. Doermann

Detecting falsified faces generated by Deepfake technology is essential for safeguarding trust in digital communication and protecting individuals. However, current detectors often suffer from a dual-overfitting: they become overly…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Xinan He , Yue Zhou , Shu Hu , Bin Li , Jiwu Huang , Feng Ding