Geometric Hashing: An Overview
IEEE Computational Science & Engineering
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Markers are widely used for camera-based interaction. Yet, most of the marker tracking methods have considerable limitations in shapes and designs; they are not usually visually meaningful to the users. Such an issue on visually communicative designs can be very important to provide visual cues in a mobile/pervasive environment where a user must first notice a marker and understand its meaning before initiating interaction, unlike in an immersive environment with a head-mounted-display that keeps displaying information on the detected markers.