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Nowadays, Authentication mechanism is widely applied to digital images. In this paper, we propose a self authentication mechanism with recovery ability for digital images, which is employed to protect the image during transmission over the internet. In the scheme, the image is to authenticate whether the area is modified by comparing the generated authentication code and hidden authentication code...
Text data hiding is a steganographic technique different from the secrets hiding in multimedia, such as images, audio and video. Sun et al. proposed a text data hiding scheme to divide the Chinese character into left and right parts for enhancing the capacity, which is called L-R scheme. Adopting the concepts of Sun et al.¡¦s scheme, Wang et al. proposed an improved version to incorporate the up and...
As the technology of augmented reality (AR) is getting matured, the application of AR to various fields, especially in a creative manner, become an attractive research topic. The objective of this research is to propose a method for a halftone-based hidden marker for AR tracking system under infrared (IR)detection. Our design method is based on the ordered dithering and the characteristic of carbon...
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