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1. A method for high-speed three-dimensional surface imaging of an object using band-limited illumination, comprising using one binary digital micromirror device pattern and a 4f imaging system to produce a greyscale sinusoidal pattern from an input laser beam, the grayscale sinusoidal pattern being processed by an adaptive error diffusion algorithm into a corresponding binary pattern able to be displayed on the digital micromirror device at the digital micromirror device's refreshing rate, to an image plane of a 4f imaging system, using an optical amplitude/intensity filter pinhole positioned at the 4f imaging system's Fourier plane; projecting each binary pattern displayed on the digital micromirror device onto the object; acquiring a resulting sinusoidal pattern as deformed by a geometry of the three-dimensional surface of the object using a camera and high-speed image data streaming from the camera to a graphic processing unit for parallel computation of image classification and phase extraction to reconstruct the three-dimensional surface of the object from the sinusoidal pattern deformed by the geometry of the three-dimensional surface of the object acquired by the camera; displaying the three-dimensional surface of the object as thus reconstructed.
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