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Watermarking helps in ensuring originality, ownership and copyrights of a digital image. This paper aims at embedding a Watermark in an image using Wave Atom Transform. Preference of Wave Atoms on other transformations has been due to its…

Multimedia · Computer Science 2015-08-10 Ijaz Bukhari , Nuhman-ul-Haq , Khizar Hyat

In this paper, we introduce \emph{Luminark}, a training-free and probabilistically-certified watermarking method for general vision generative models. Our approach is built upon a novel watermark definition that leverages patch-level…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Jiayi Xu , Zhang Zhang , Yuanrui Zhang , Ruitao Chen , Yixian Xu , Tianyu He , Di He

The ability to characterize the color content of natural imagery is an important application of image processing. The pixel by pixel coloring of images may be viewed naturally as points in color space, and the inherent structure and…

Geometric Topology · Mathematics 2012-02-21 Lori Ziegelmeier , Michael Kirby , Chris Peterson

With the advent of the screen-reading era, the confidential documents displayed on the screen can be easily captured by a camera without leaving any traces. Thus, this paper proposes a novel screen-shooting resilient watermarking scheme for…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Sulong Ge , Zhihua Xia , Yao Tong , Jian Weng , Jianan Liu

As Generative AI continues to become more accessible, the case for robust detection of generated images in order to combat misinformation is stronger than ever. Invisible watermarking methods act as identifiers of generated content,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Dongjun Hwang , Sungwon Woo , Tom Gao , Raymond Luo , Sunghwan Baek

Compared to color images captured by conventional RGB cameras, monochrome images usually have better signal-to-noise ratio (SNR) and richer textures due to its higher quantum efficiency. It is thus natural to apply a mono-color dual-camera…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Ze-Hua Sheng , Hui-Liang Shen , Bo-Wen Yao , Huaqi Zhang

As generative models enable rapid creation of high-fidelity images, societal concerns about misinformation and authenticity have intensified. A promising remedy is multi-bit image watermarking, which embeds a multi-bit message into an image…

Machine Learning · Statistics 2026-04-14 An Luo , Jie Ding

In this paper the background detection in images in poor lighting can be done by the use of morphological filters. Lately contrast image enhancement technique is used to detect the background in image which uses Weber's Law. The proposed…

Multimedia · Computer Science 2010-09-09 A. Saradha Devi , S. Suja Priyadharsini , S. Athinarayanan

We propose a novel scheme for watermarking of digital images based on singular value decomposition (SVD), which makes use of the fact that the SVD subspace preserves significant amount of information of an image, as compared to its singular…

Multimedia · Computer Science 2008-08-05 Chirag Jain , Siddharth Arora , Prasanta K. Panigrahi

With the growing popularity of the Internet, digital images are used and transferred more frequently. Although this phenomenon facilitates easy access to information, it also creates security concerns and violates intellectual property…

Image and Video Processing · Electrical Eng. & Systems 2022-11-01 Alireza Tavakoli , Zahra Honjani , Hedieh Sajedi

A novel digital watermarking for ownership verification and image authentication applications using discrete wavelet transform (DWT) is proposed in this paper. Most previous proposed watermarking algorithms embed sequences of random numbers…

Cryptography and Security · Computer Science 2012-06-21 Mehdi Khalili

Watermarking combines an imperceptible change to an input image that will trigger a detector, to assert provenance and protect intellectual property. The literature has shown great interest in attacks on watermarking schemes: attackers are…

Cryptography and Security · Computer Science 2026-05-19 Maria Bulychev , Neil G. Marchant , Benjamin I. P. Rubinstein

To hide a binary pattern in the palette image a steganographic scheme with blind detection is considered. The embedding algorithm uses the Lehmer code by palette color permutations for which the cover image palette is generally required.…

Multimedia · Computer Science 2015-03-18 V. N. Gorbachev , E. M. Kaynarova , I. K. Metelev , O. V. Pavlovskaya

Reversible contrast mapping (RCM) is a simple integer transform that applies to pairs of pixels. For some pairs of pixels, RCM is invertible, even if the least significant bits (LSBs) of the transformed pixels are lost. The data space…

Multimedia · Computer Science 2009-11-13 Dinu Coltuc , Jean-Marc Chassery

While many image colorization algorithms have recently shown the capability of producing plausible color versions from gray-scale photographs, they still suffer from the problems of context confusion and edge color bleeding. To address…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Jiaojiao Zhao , Li Liu , Cees G. M. Snoek , Jungong Han , Ling Shao

Digital images can be copied without authorization and have to be protected. Two schemes for watermarking images in PDF document were considered. Both schemes include a converter to extract images from PDF pages and return the protected…

Multimedia · Computer Science 2017-07-07 V. N. Gorbachev , L. A. Denisov , E. M. Kaynarova , I. K. Metelev

Digital image watermarking is the process of embedding and extracting watermark covertly on a carrier image. Incorporating deep learning networks with image watermarking has attracted increasing attention during recent years. However,…

Multimedia · Computer Science 2020-07-07 Xin Zhong , Frank Y. Shih

The current paper presents a robust watermarking method for still images, which uses the similarity of discrete wavelet transform and human visual system (HVS). The proposed scheme makes the use of pixel wise masking in order to make binary…

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

In this paper a blind, Secure, imperceptible and robust watermarking algorithm based on wavelet transform domain is proposed in which for more security, the watermark W is converted to a sequence and then a random binary sequence R of size…

Cryptography and Security · Computer Science 2012-06-21 Mehdi Khalili , David Asatryan

We revisit watermarking techniques based on pre-trained deep networks, in the light of self-supervised approaches. We present a way to embed both marks and binary messages into their latent spaces, leveraging data augmentation at marking…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Pierre Fernandez , Alexandre Sablayrolles , Teddy Furon , Hervé Jégou , Matthijs Douze