In this paper, a secure card authentication system based on digital watermarking is
presented. A sequence of identification characters, eg owner's ID number is inserted into the …

Problem of fake image in ID card spreads all over the world eg false Thai national ID card in
Thailand. This problem is quite difficult to detect because appearances of human face …

As digital technologies advance, it is very easy to forge a paper-based certificate or images
to deceive people, and the counterfeits look almost the same as the originals. Because such …

Personal identification documents such as ID-cards are being used increasingly for such
activities as cashless transactions, entry into restricted areas, and personal verification for …

Watermarking techniques are primarily used for copyright protection. A simple and robust
watermark-like digital authentication scheme is proposed. This work has two major merits …

Authentication watermarking is the process that inserts hidden data into an object (image) in
order to detect any fraudulent alteration perpetrated by a malicious hacker. In the literature …

This paper investigates a robust method to watermark and decode images such as identity
pictures printed on plastic card supports that have a special interest in industrial areas …

Digital watermarking techniques can protect the intellectual property rights of images
efficiently. A new digital watermarking technique is presented in this paper, which can meet …

Digital watermarking is a labeling technique for digital images which embeds a code into the
digital data so the data is marked. Watermarking techniques previously developed deal with …

Digital watermarking has been proposed to solve the ownership problem and prevent
various malicious attacks in the recent years. However, most proposed watermarking …