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The current work is focusing on the implementation of a robust watermarking algorithm for digital images, which is based on an innovative spread spectrum analysis algorithm for watermark embedding and on a content-based image retrieval…

Data Structures and Algorithms · Computer Science 2009-09-29 Dimitrios K. Tsolis , Spyros Sioutas , Theodore S. Papatheodorou

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

This paper presents techniques for digital image watermarking based on eigenvalue decomposition of normal matrices. The introduced methods are convenient and self-explanatory, achieve satisfactory results, as well as require less and easy…

Numerical Analysis · Mathematics 2015-06-08 E. Kokabifar , G. B. Loghmani , A. Latif

This work presents a comparison of machine learning algorithms that are implemented to segment the characters of text presented as an image. The algorithms are designed to work on degraded documents with text that is not aligned in an…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 P Preethi , Hrishikesh Viswanath

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

Detection of surface water in natural environment via multi-spectral imagery has been widely utilized in many fields, such land cover identification. However, due to the similarity of the spectra of water bodies, built-up areas, approaches…

Artificial Intelligence · Computer Science 2017-09-05 Na Li , Arnaud Martin , Rémi Estival

Due to the wide distribution and usage of digital media, an important issue is protection of the digital content. There is a number of algorithms and techniques developed for the digital watermarking.In this paper, the invisible image…

Multimedia · Computer Science 2015-02-09 Jelena Music , Ivan Knezevic , Edis Franca

This paper presents a new approach for embedding authentication information into image on printed materials based on optical projection technique. Our experimental setup consists of two parts, one is a common camera, and the other is a LCD…

Multimedia · Computer Science 2013-02-21 Tan Yi-zhou , Liu Hai-bo , Huang Shui-hua , Sheng Ben-jian , Pan Zhong-ming

This paper proposes a method that combines the style transfer technique and the learned descriptor to enhance the matching performances of underwater sonar images. In the field of underwater vision, sonar is currently the most effective…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Xiaoteng Zhou , Changli Yu , Xin Yuan , Citong Luo

This paper presents watermarking algorithms using d-sequences so that the peak signal to noise ratio (PSNR) is maximized and the distortion introduced in the image due to the embedding is minimized. By exploiting the cross correlation…

Cryptography and Security · Computer Science 2007-05-23 Ashfaq N Shaik

A new local watermarking method based on histogram shifting has been proposed in this paper to deal with various signal processing attacks (e.g. median filtering, JPEG compression and Gaussian noise addition) and geometric attacks (e.g.…

Multimedia · Computer Science 2023-02-09 Zi-yu Jiang , Chi-Man Pun , Xiao-Chen Yuan , Tong Liu

Digital watermarking is extensively used in ownership authentication and copyright protection. In this paper, we propose an efficient thresholding scheme to improve the watermark embedding procedure in an image. For the proposed algorithm,…

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

In unsecured network environments, ownership protection of digital contents, such as images, is becoming a growing concern. Different watermarking methods have been proposed to address the copyright protection of digital materials.…

Multimedia · Computer Science 2020-04-08 Mahsa Kadkhodaei , Shadrokh Samavi

Most of the well known algorithms for watermarking of digital images involve transformation of the image data to Fourier or singular vector space. In this paper, we introduce watermarking in Hilbert transform domain for digital media.…

Multimedia · Computer Science 2010-12-15 Rashmi Agarwal , R. Krishnan , M. S. Santhanam , K. Srinivas , K. Venugopalan

Multiple watermarking technique, embedding several watermarks in one carrier, has enabled many interesting applications. In this study, a novel multiple watermarking algorithm is proposed based on the spirit of spread transform dither…

Multimedia · Computer Science 2016-01-19 Xinchao Li , Ju Liu , Jiande Sun , Xiaohui Yang , Wei Liu

Digital image watermarking is the process of embedding and extracting a watermark covertly on a cover-image. To dynamically adapt image watermarking algorithms, deep learning-based image watermarking schemes have attracted increased…

Multimedia · Computer Science 2020-07-07 Xin Zhong , Pei-Chi Huang , Spyridon Mastorakis , Frank Y. Shih

Watermarking is an operation of embedding an information into an image in a way that allows to identify ownership of the image despite applying some distortions on it. In this paper, we presented a novel end-to-end solution for embedding…

Multimedia · Computer Science 2022-01-11 Marcin Plata , Piotr Syga

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

Watermarking is a technique for hiding of data in a medium coverage so that its presence is not detectable by a human eye and is recoverable only by the authorized recipient. Two of the most important features of watermarked image are…

Multimedia · Computer Science 2022-11-18 Saeideh Nabipour , Javad Javidan , Majid Khorrami , Jila Azimzadeh
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