Data security, privacy and authenticity are crucial in wireless data transmission. Low power
consumption is the main requirement for any chip design targeting the Internet of Things …

The rapid growth of digital multimedia and Internet technologies has made copyright
protection, copy protection, and integrity verification three important issues in the digital …

In this paper, a novel watermarking approach is proposed to provide enhanced tampering
localization and self-recovery. A cross chaotic map is used to confuse the blocks generated …

Ben shu zhu yao jie shao le shu zi tu xiang yu shi pin ya suo bian ma de ji ben yuan li, Zhu
yao ji shu ji qi ying yong, Bao kuo shi jue te xing yu tu xiang zhi liang, Tu xiang xin hao de …

Nowadays, image authentication schemes are widely applied to ownership protection and
tampering detection of digital images. In this paper, we propose an image ownership and …

While formal definitions and security proofs are well established in some fields like
cryptography and steganography, they are not as evident in digital watermarking research. A …

Methods, systems, devices and computer program products are provided to facilitate
enhanced use and interaction With multimedia content that is based on a time-varying …

4,564,862 4,593.904 4,639,779 4,669,089 4,677.466 4,686,707 4,703,476 4,706,282
4,723,302 4,729,398 4,739,398 4,750,173 4,755,871 4,755,884 4,764,608 4,764,808 …

With the increasing popularity of JPEG images, a need arises to devise effective
watermarking techniques which consider JPEG compression as an acceptable …

This paper presents a semi-fragile watermarking method for the automatic authentication
and restoration of the content of digital images. Semi-fragile watermarks are embedded into …