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An image watermarking technique using hybrid signals as watermarks
Multimedia Systems, 2020In digital communication, it is very necessary to prevent the unlawful intrusion of unwanted parties. Apart from that, the authenticity of a signal being sent is a key factor otherwise false data can break the commitment between the sender and the receiver of the signal. By digital watermarking, both the insurance of the authenticity and the prevention
Amita Singha, Muhammad Ahsan Ullah
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2009
This chapter describes image watermarking, the most common and widespread category of media files are images. The evolution of the Internet and the ease by which images can be duplicated and distributed has led to the need for effective copyright protection tools and techniques in order to provide a secure way to the producers and the owners of these ...
Anastasios Tefas +2 more
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This chapter describes image watermarking, the most common and widespread category of media files are images. The evolution of the Internet and the ease by which images can be duplicated and distributed has led to the need for effective copyright protection tools and techniques in order to provide a secure way to the producers and the owners of these ...
Anastasios Tefas +2 more
openaire +2 more sources
From single watermark to dual watermark: A new approach for image watermarking
Computers & Electrical Engineering, 2012Watermarking as a powerful technique for copyright protection, content verification, covert communication and so on, has been studied for years, and is drawing more and more attention recently. There are many situations in which embedding multiple watermarks in an image is desired.
Shen, H., Chen, B.
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Using invisible watermarks to protect visibly watermarked images
2004 IEEE International Symposium on Circuits and Systems (IEEE Cat. No.04CH37512), 2004Physical visible watermarks have been widely used for centuries. Now digital visible watermarks such as electronic logos find their applications in digital library, video broadcasting, and other multimedia services. Several visible watermarking techniques have been proposed in the literature, and meanwhile, some problems with visible watermarks are ...
Yongjian Hu, Sam Kwong, Jiwu Huang
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A novel fractal image watermarking
IEEE Transactions on Multimedia, 2006A novel watermarking method is proposed to hide a binary watermark into image files compressed by fractal block coding. This watermarking method utilizes a special type of orthogonalization fractal coding method where the fractal affine transform is determined by the range block mean and contrast scaling.
Hong Pi, Hung Li, Hua Li
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Color Image Watermarking with Watermark Hashing
2019Color images are extensively used, published, and exchanged through internet. The need to establish ownership of digital images has resulted in the development of many image watermarking techniques. Many of these techniques are based on Singular Value Decomposition (SVD) of images.
Neha Singh, Sandeep Joshi, Shilpi Birla
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An Invisible Text Watermarking Algorithm using Image Watermark
2010Copyright protection of digital contents is very necessary in today’s digital world with efficient communication mediums as internet. Text is the dominant part of the internet contents and there are very limited techniques available for text protection.
Zunera Jalil, Anwar M. Mirza
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A comprehensive survey on robust image watermarking
Neurocomputing, 2022Jiande Sun, Hui Yu, Wenbo Wan
exaly
Cover-Lossless Robust Image Watermarking Against Geometric Deformations
IEEE Transactions on Image Processing, 2021Shijun Xiang, Runwen Hu
exaly