Optimized dithering technique in frequency domain for high-quality three-dimensional depth data acquisition

Cai Ning^{1, 2}, Chen Zhe-Bo², Cao Xiang-Qun¹, Lin Bin^{1, 2, †}

Frequency spectrum of ideal fringe pattern and binary pattern obtained by Floyd–Steinberg error-diffusion dithering algorithm. (a) Ideal pattern, (b) Floyd–Steinberg error-diffusion dithered pattern, (c) frequency spectrum of an ideal sinusoidal fringe pattern, (d) frequency spectrum of Floyd–Steinberg error-diffusion dithered pattern, (e) frequency error of the two patterns.