In order to preserve and inherit material cultural heritage, the author proposes a method for digital construction of Great Wall’s heritage based on twin. This discusses connotation whole life cycle Wall twin, research path content twin conducts application evaluate effect. The evaluation results show that users’ overall satisfaction with is relatively high, average score each indicator above 4...

Digital twin has recently received considerable attention in various industry domains. The digital replicates physical objects (e.g., people, objects, spaces, systems, and processes) the real world into world. It also provides simulations to solve problems or improve situational operations. Therefore, is a convergence of technologies, such as advanced machine-learning algorithms, data analytics...

The growth of new imaging technologies has created a need for techniques that can be used for copyright protection of digital images. One approach for copyright protection is to introduce an invisible signal known as a digital watermark in the image. In this paper, we describe digital image watermarking techniques known as perceptually watermarks that are designed to exploit aspects of the huma...

This paper firstly introduces the newly emerged collaborative technology termed as Digital Ecosystem. The concept of Digital Ecosystem and the existing research in this area are discussed in detail. Next, the paper outlines several issues that need to be solved for a successful implementation of Digital Ecosystem environment. As the main focus of this paper is in the security area, we have iden...

Digital watermarking technology has been actively studied and developed by a number of institutions and companies since mid ‘90s. This area draws more and more attention as one of the key technology elements for content management, copyright protection and copy control of digital contents. This article discusses several different types of digital watermark application, particularly the applicat...