In the era of multimedia and Internet, the quick response (QR) code helps people obtain
information from offline to online quickly. However, the QR code is often limited in many …

QR (quick response) codes are widely used as an offline-to-online channel to convey
information (eg, links) from publicity materials (eg, display and print) to mobile devices …

Printed and digitally displayed photos have the ability to hide imperceptible digital data that
can be accessed through internet-connected imaging systems. Another way to think about …

Digital watermarks have been proposed in recent literature as the means for copyright
protection of multimedia data. In this paper we address the capability of invisible …

Visible watermarking schemes are important intellectual property rights (IPR) protection
mechanisms for digital images and videos that have to be released for certain purposes but …

Digital watermarking has been proposed as a means for copyright protection of multimedia
data. This paper first discusses some scenarios in which many current watermarking …

Digital watermarks have been proposed as a means for copyright protection of multimedia
data. We address the capability of invisible watermarking schemes to resolve copyright …

A watermark is an invisible mark placed on an image that can be detected when the image
is compared with the original. This mark is designed to identify both the source of an image …

A novel method for generic visible watermarking with a capability of lossless image recovery
is proposed. The method is based on the use of deterministic one-to-one compound …

This article presents a novel invisible robust watermarking scheme for embedding and
extracting a digital watermark in an image. The novelty lies in determining a perceptually …