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Text watermarking schemes have gained considerable attention in recent years, yet still face critical challenges in achieving simultaneous robustness, generalizability, and imperceptibility. This paper introduces a new embedding…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Jiale Meng , Yiming Li , Zheming Lu , Zewei He , Hao Luo , Tianwei Zhang

We present the first undetectable watermarking scheme for generative image models. Undetectability ensures that no efficient adversary can distinguish between watermarked and un-watermarked images, even after making many adaptive queries.…

Cryptography and Security · Computer Science 2025-04-23 Sam Gunn , Xuandong Zhao , Dawn Song

We propose a simple method for estimating noise level from a single color image. In most image-denoising algorithms, an accurate noise-level estimate results in good denoising performance; however, it is difficult to estimate noise level…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Akihiro Nakamura , Michihiro Kobayashi

Reconstruction of geometric structures from images using supervised learning suffers from limited available amount of accurate data. One type of such data is accurate real-world RGB-D images. A major challenge in acquiring such ground truth…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Noam Rotstein , Amit Bracha , Ron Kimmel

Generative models can generate photorealistic images at scale. This raises urgent concerns about the ability to detect synthetically generated images and attribute these images to specific sources. While watermarking has emerged as a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Samar Fares , Nurbek Tastan , Noor Hussein , Karthik Nandakumar

With the rapid rise of generative AI and synthetic media, distinguishing AI-generated images from real ones has become crucial in safeguarding against misinformation and ensuring digital authenticity. Traditional watermarking techniques…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Vinu Sankar Sadasivan , Mehrdad Saberi , Soheil Feizi

With the explosive growth of internet technology, easy transfer of digital multimedia is feasible. However, this kind of convenience with which authorized users can access information, turns out to be a mixed blessing due to information…

Cryptography and Security · Computer Science 2012-05-22 Saraju P. Mohanty

Prior to encoding color images for RGB full-color, Bayer color filter array (CFA), and digital time delay integration (DTDI) CFA images, performing chroma subsampling on their converted chroma images is necessary and important. In this…

Image and Video Processing · Electrical Eng. & Systems 2020-09-24 Kuo-Liang Chung , Szu-Ni Chen , Yu-Ling Lee , Chao-Liang Yu

Watermarking is a crucial tool for safeguarding copyrights and can serve as a more aesthetically pleasing alternative to QR codes. In recent years, watermarking methods based on deep learning have proved superior robustness against complex…

Multimedia · Computer Science 2023-08-24 Zhe Lei , Jie Zhang , Jingtao Li , Weiming Zhang , Nenghai Yu

Computational color constancy has the important task of reducing the influence of the scene illumination on the object colors. As such, it is an essential part of the image processing pipelines of most digital cameras. One of the important…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Egor Ershov , Alex Savchik , Illya Semenkov , Nikola Banić , Alexander Belokopytov , Daria Senshina , Karlo Koscević , Marko Subašić , Sven Lončarić

Digital Watermarking is an extremely wide aspect of information security, either by its applications, by its properties, or by its designs. In particular, a lot of research has been made about video watermarking and it can make it quite…

Image and Video Processing · Electrical Eng. & Systems 2019-08-26 Romain Artru , Alexandre Gouaillard , Touradj Ebrahimi

The Color is one of the most important and easily identifiable features for describing the visual content. The MPEG standard has developed a number of descriptors that covers different aspects of the visual content. The Dominant color…

Computer Vision and Pattern Recognition · Computer Science 2016-05-31 Siddu P Algur , N H Ayachit , Vivek R

In this work, we present an efficient multi-bit deep image watermarking method that is cover-agnostic yet also robust to geometric distortions such as translation and scaling as well as other distortions such as JPEG compression and noise.…

Multimedia · Computer Science 2022-06-23 Xiyang Luo , Michael Goebel , Elnaz Barshan , Feng Yang

In this paper, we propose a novel fragile block based medical image watermarking technique for embedding data of patient into medical image, verifying the integrity of ROI (Region of Interest), detecting the tampered blocks inside ROI and…

Multimedia · Computer Science 2014-12-22 Eswaraiah Rayachoti , Sreenivasa Reddy Edara

As large language models (LLMs) grow more powerful, concerns over copyright infringement of LLM-generated texts have intensified. LLM watermarking has been proposed to trace unauthorized redistribution or resale of generated content by…

Cryptography and Security · Computer Science 2025-08-05 Qihao Lin , Chen Tang , Lan zhang , Junyang zhang , Xiangyang Li

The advancement in digital technologies have made it possible to produce perfect copies of digital content. In this environment, malicious users reproduce the digital content and share it without compensation to the content owner. Content…

Multimedia · Computer Science 2016-10-11 Sachin Mehta , Balakrishnan Prabhakaran , Rajarathnam Nallusamy , Derrick Newton

Information security is a critical issue in modern society and image watermarking can effectively prevent unauthorized information access. Optical image watermarking techniques generally have advantages of parallel high-speed processing and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Shuming Jiao , Changyuan Zhou , Yishi Shi , Wenbin Zou , Xia Li

Efficient and reliable detection of generated images is critical for the responsible deployment of generative models. Existing approaches primarily focus on improving detection accuracy and robustness under various image transformations and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-15 Xinrui Zhong , Xinze Feng , Jingwei Zuo , Fanjiang Ye , Yi Mu , Junfeng Guo , Heng Huang , Myungjin Lee , Yuke Wang

Grayscale images are essential in image processing and computer vision tasks. They effectively emphasize luminance and contrast, highlighting important visual features, while also being easily compatible with other algorithms. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Prasoon Ambalathankandy , Yafei Ou , Sae Kaneko , Masayuki Ikebe

A novel video watermarking system operating in the three dimensional wavelet transform is here presented. Specifically the video sequence is partitioned into spatio temporal units and the single shots are projected onto the 3D wavelet…

Multimedia · Computer Science 2009-11-03 A. Essaouabi , F. Regragui , E. Ibnelhaj
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