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Digital image watermarking has been widely used in different applications such as copyright protection of digital media, such as audio, image, and video files. Two opposing criteria of robustness and transparency are the goals of…

Multimedia · Computer Science 2020-01-13 Mahnoosh Bagheri , Majid Mohrekesh , Nader Karimi , Shadrokh Samavi

Recently, the use of digital images in various fields is increasing rapidly. To increase the number of images stored and get faster transmission of them, it is necessary to reduce the size of these images. Single bitmap block truncation…

Computer Vision and Pattern Recognition · Computer Science 2018-07-16 Lige Zhang , Xiaolin Qin , Qing Li , Haoyue Peng , Yu Hou

We propose a new method to embed data in binary images, including scanned text, figures, and signatures. Our method relies on the concept of wet paper codes. The shuffling before embedding is used in order to equalize irregular embedding…

Information Theory · Computer Science 2008-08-20 Michail Zubarev , Valery Korzhik , Guillermo Morales-Luna

In this paper, a quantization based watermark casting and blind watermark retrieval algorithm operating in YCbCr color space using discrete wavelet transform (DWT), for ownership verification and image authentication applications is…

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

Deep learning-based watermarking has emerged as a promising solution for robust image authentication and protection. However, existing models are limited by low embedding capacity and vulnerability to bit-level errors, making them…

Cryptography and Security · Computer Science 2025-07-08 Hyunwook Choi , Sangyun Won , Daeyeon Hwang , Junhyeok Choi

The recent advent in the field of multimedia proposed a many facilities in transport, transmission and manipulation of data. Along with this advancement of facilities there are larger threats in authentication of data, its licensed use and…

Multimedia · Computer Science 2009-09-22 Harsh K Verma , Abhishek Narain Singh , Raman Kumar

In this paper, we propose a luminance-guided chrominance image enhancement convolutional neural network for HEVC intra coding. Specifically, we firstly develop a gated recursive asymmetric-convolution block to restore each degraded…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Hewei Liu , Renwei Yang , Shuyuan Zhu , Xing Wen , Bing Zeng

Image datasets with high-quality pixel-level annotations are valuable for semantic segmentation: labelling every pixel in an image ensures that rare classes and small objects are annotated. However, full-image annotations are expensive,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Hubert Lin , Paul Upchurch , Kavita Bala

Watermarking is one of the most important copyright protection tools for digital media. The most challenging type of watermarking is the imperceptible one, which embeds identifying information in the data while retaining the latter's…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Natan Semyonov , Rami Puzis , Asaf Shabtai , Gilad Katz

Digital watermarking has shown its effectiveness in protecting multimedia content. However, existing watermarking is predominantly tailored for specific media types, rendering them less effective for the protection of content displayed on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Xiujian Liang , Gaozhi Liu , Yichao Si , Xiaoxiao Hu , Zhenxing Qian

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

To display an image, the color space in which the image is encoded is assumed to be known. Unfortunately, this assumption is rarely realistic. In this paper, we propose to identify the color space of a given color image using pixel…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Elvis Togban , Djemel Ziou

As an important subtopic of image enhancement, color transfer aims to enhance the color scheme of a source image according to a reference one while preserving the semantic context. To implement color transfer, the palette-based color…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Chenlei Lv , Dan Zhang

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

Invisible watermarking for autoregressive (AR) image generation has recently gained attention as a means of protecting image ownership and tracing AI-generated content. However, existing approaches suffer from three key limitations: (1)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Yigit Yilmaz , Elena Petrova , Mehmet Kaya , Lucia Rossi , Amir Rahman

Robust image watermarking that can resist camera shooting has become an active research topic in recent years due to the increasing demand for preventing sensitive information displayed on computer screens from being captured. However, many…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Ming Liu

Digital watermarking consists on inserting a mark into an image to protect it against copies. The heaviness of the extraction procedure with the old methods urged us to look for a new algorithm in the singular values domain which would be…

Cryptography and Security · Computer Science 2016-09-08 Henri Bruno Rhb Razafindradina , Paul Auguste Rpa Randriamitantsoa

Photo retouching aims to adjust the luminance, contrast, and saturation of the image to make it more human aesthetically desirable. However, artists' actions in photo retouching are difficult to quantitatively analyze. By investigating…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Hailong Ma , Sibo Feng , Xi Xiao , Chenyu Dong , Xingyue Cheng

Given a grayscale photograph, the colorization system estimates a visually plausible colorful image. Conventional methods often use semantics to colorize grayscale images. However, in these methods, only classification semantic information…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Yuzhi Zhao , Lai-Man Po , Kwok-Wai Cheung , Wing-Yin Yu , Yasar Abbas Ur Rehman

As a novel method eliminating chromatic aberration on objects, computational color constancy has becoming a fundamental prerequisite for many computer vision applications. Among algorithms performing this task, the learning-based ones have…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Yilang Zhang , Neal N. Xiong , Zheng Wei , Xin Yuan , Jian Wang