METHOD AND SYSTEM FOR THREE-DIMENSIONAL MODEL SEARCH

摘要

PROBLEM TO BE SOLVED: To provide a method and system for high-precision high-speed three-dimensional model search.SOLUTION: A search method searches for a three-dimensional model by comparing LBP (Local Binary Pattern) characteristic values of the three-dimensional model being searched (with those of a known three-dimensional model). The LBP characteristic values are obtained by generating depth buffer images of the known three-dimensional model at multiple viewpoints, generating multiple scale images with different image scales from each of the depth buffer images, and extracting an LBP histogram from each subdivided areas of each scaled images. Comparison of the LBP characteristic values involves assessing dissimilarity, in terms of sum of maximum values of the LBP histograms extracted from each scaled image, between the known three-dimensional model and the three-dimensional model being searched using all combinations of the multiple viewpoints as an index.