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System And Technique For Retrieving Depth Information About A Surface By Projecting A Composite Image Of Modulated Light Patterns, Laurence G. Hassebrook, Daniel L. Lau, Chun Guan
System And Technique For Retrieving Depth Information About A Surface By Projecting A Composite Image Of Modulated Light Patterns, Laurence G. Hassebrook, Daniel L. Lau, Chun Guan
Electrical and Computer Engineering Faculty Patents
A technique, associated system and program code, for retrieving depth information about at least one surface of an object. Core features include: projecting a composite image comprising a plurality of modulated structured light patterns, at the object; capturing an image reflected from the surface; and recovering pattern information from the reflected image, for each of the modulated structured light patterns. Pattern information is preferably recovered for each modulated structured light pattern used to create the composite, by performing a demodulation of the reflected image. Reconstruction of the surface can be accomplished by using depth information from the recovered patterns to …