Kazuha Yamada, Y. Yamashita, M. Toyoura, Xiaoyang Mao, Satoshi Takatsu, Chihiro Sugawara
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2D image codes are widely used for inputting information to mobile devices with cameras. QR code is a typical example of such codes. Conventional image codes do not have semantics in images themselves. Such codes may spoil the quality of design when attached on commercial products. We propose a novel code, Be-code, for embedding data into logo images. Be-code is generated from a logo image by modifying some of the edge pixels according to the bits to be embedded, but avoiding causing obvious change to the appearance of the original logo image. Algorithm for extracting information from the camera captured Be-code is also presented. The original logo image is not required in decoding. In experiments, embedded data could be decoded at a high success rate.
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