Patent ID: 7929752

Claim:
In a method for generating a structured-light pattern of a three-dimensional data obtaining system for obtaining three-dimensional data by projecting a structured-light having a predetermined pattern to an object and by capturing the object scene having the structured-light projected thereto, the method comprising: selecting a number of stripes k determining each subpattern from a number of colors N used in pattern synthesis (wherein N is usually 3) and combining all of the subpatterns that can be used, the subpatterns in which any two consecutive stripes have different colors; and selecting a first subpattern, which is any one of the subpatterns among the subpatterns, identifying a second subpattern, which is a subpattern beginning with the color-stripe sequence from the second stripe to the last stripe of the first subpattern, and overlapping a first stripe of the second subpattern with the second stripe of the first subpattern, identifying a third subpattern, which is a subpattern beginning with the color-stripe sequence from the second stripe to the last stripe of the second subpattern, and overlapping a first stripe of the third subpattern with the second stripe of the second subpattern, and repeating the identifying and overlapping step so that each of the subpatterns that can be used is overlapped with another, thereby completing the generation of structured-light.