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Preservation of information and computer security is broadly dependent on the secured authentication system which is underpinned by password. Text based password is a commonly used and available system for authentication. But it bears many…

Cryptography and Security · Computer Science 2022-05-26 Sanjida Akter Sharna , Sheikh Ashraf Ali

Image copy-move is an operation that replaces one part of the image with another part of the same image, which can be used for illegal purposes due to the potential semantic changes. Recent studies have shown that keypoint-based algorithms…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Li Jiang , Zhaowei Lu , Yuebing Gao , Yifan Wang

Image stabilization performed during imaging and/or post-processing poses one of the most significant challenges to photo-response non-uniformity based source camera attribution from videos. When performed digitally, stabilization involves…

Image and Video Processing · Electrical Eng. & Systems 2020-11-25 Enes Altinisik , Husrev Taha Sencar

This paper proposes a tag identify approach based on fragile Watermark that based on Least significant bit of the replacement that we first use a special way to initialize the cover to ensure that we can use random positions to embed the…

Multimedia · Computer Science 2014-11-26 Jianbiao Lin , Ke Ji , Hui Lin , Enyan Wu , Xin Gao

In this paper, a new approach to Spread Spectrum (SS) watermarking technique is introduced. This problem is particularly interesting in the field of modern multimedia applications like internet when copyright protection of digital image is…

Cryptography and Security · Computer Science 2012-07-12 T. S. Das , V. H. Mankar , S. K. Sarkar

Camera sensor noise is one of the most reliable device characteristics in digital image forensics, enabling the unique linkage of images to digital cameras. This so-called camera fingerprint gives rise to different applications, such as…

Multimedia · Computer Science 2019-07-10 Erwin Quiring , Matthias Kirchner , Konrad Rieck

With the increasing widely spread digital media become using in most fields such as medical care, Oceanography, Exploration processing, security purpose, military fields and astronomy, evidence in criminals and more vital fields and then…

Cryptography and Security · Computer Science 2021-10-05 Ahmad M Nagm , Khaled Y Youssef , Mohammad I Youssef

Many different approaches for neural network based hash functions have been proposed. Statistical analysis must correlate security of them. This paper proposes novel neural hashing approach for gray scale image authentication. The suggested…

Cryptography and Security · Computer Science 2017-03-03 Yakup Kutlu , Apdullah Yayık

With the significant advances in deep generative models for image and video synthesis, Deepfakes and manipulated media have raised severe societal concerns. Conventional machine learning classifiers for deepfake detection often fail to cope…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Aakash Varma Nadimpalli , Ajita Rattani

During the investigation of criminal activity when evidence is available, the issue at hand is determining the credibility of the video and ascertaining that the video is real. Today, one way to authenticate the footage is to identify the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Akash Nagaraj , Mukund Sood , Vivek Kapoor , Yash Mathur , Bishesh Sinha

Image hiding is the study of techniques for covert storage and transmission, which embeds a secret image into a container image and generates stego image to make it similar in appearance to a normal image. However, existing image hiding…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Lang Huang , Lin Huo , Zheng Gan , Xinrong He

Modern AI tools, such as generative adversarial networks, have transformed our ability to create and modify visual data with photorealistic results. However, one of the deleterious side-effects of these advances is the emergence of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Mingyang Xie , Manav Kulshrestha , Shaojie Wang , Jinghan Yang , Ayan Chakrabarti , Ning Zhang , Yevgeniy Vorobeychik

In the field of information technology, information security technologies hold a special place. They ensure the security of the use of information technology. One of the urgent tasks is the protection of electronic documents during their…

Multimedia · Computer Science 2020-10-02 Anna Melman , Oleg Evsutin , Alexander Shelupanov

We propose a novel method for large-scale image stitching that is robust against repetitive patterns and featureless regions in the imagery. In such cases, state-of-the-art image stitching methods easily produce image alignment artifacts,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Matti Pellikka , Valtteri Lahtinen

In this work, we introduce a novel deep learning-based approach to text-in-image watermarking, a method that embeds and extracts textual information within images to enhance data security and integrity. Leveraging the capabilities of deep…

Multimedia · Computer Science 2024-04-23 Bishwa Karki , Chun-Hua Tsai , Pei-Chi Huang , Xin Zhong

Physical unclonable function (PUF) has been proposed as a promising and trustworthy solution to a variety of cryptographic applications. Here we propose a non-imaging based authentication scheme for optical PUFs materialized by random…

Cryptography and Security · Computer Science 2021-11-30 Pidong Wang , Feiliang Chen , Dong Li , Song Sun , Feng Huang , Taiping Zhang , Qian Li , Kun Chen , Yongbiao Wan , Xiao Leng , Yao Yao

To address the security risk caused by fixed offset mapping and the limited recoverability of random mapping used in image watermarking, we propose an image self-embedding fragile watermarking algorithm based on deneighborhood mapping.…

Cryptography and Security · Computer Science 2022-01-26 Yilong Wang , Zhenyu Li , Daofu Gong , Haoyu Lu , Fenlin Liu

Digital water marking is one of the essential fields in image security and copyright protection. The proposed technique in this paper was based on the principle of protecting images by hide an invisible watermark in the image. The technique…

Computer Vision and Pattern Recognition · Computer Science 2013-07-05 Firas A. Jassim

In this paper a novel data embedding technique in frequency domain has been proposed using Discrete Fourier Transform (DFT) for image authentication and secured message transmission based on hiding a large volume of data into gray images.…

Cryptography and Security · Computer Science 2012-12-17 Nabin Ghoshal , J. K. Mandal

Signature verification has been one of the major researched areas in the field of computer vision. Many financial and legal organizations use signature verification as access control and authentication. Signature images are not rich in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Anamika Jain , Satish Kumar Singh , Krishna Pratap Singh