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Camera-projector-pair-based digital optical communications are attractive for safe and flexible usages, while the state-of-the-art systems suffer from various disadvantages or distortions of communication channels, including the irregularity and the non-uniform albedo of projection surfaces, the radial distortion of optical lenses, etc. In this paper, we present a novel method for digital optical...
Conventional Fourier transform profilometry (FTP) suffers from spectrum overlapping arising from ambient light, surface reflectivity and system nonlinearity. In this paper, we propose a binary coding strategy to address the problem. First, we decompose a grayscale FTP pattern into a serial of binary patterns; second, we project the binary patterns onto a target and image the corresponding patterned...
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