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With the rapid development of range image acquisition techniques, 3D computer vision has became a popular research area. It has numerous applications in various domains including robotics, biometrics, remote sensing, entertainment, civil construction, and medical treatment. Recently, a large number of algorithms have been proposed to address specific problems in the area of 3D computer vision. Meanwhile,...
3D objects play a vital role in computer games, movies, TV, engineering design, and biological sciences. Researchers have studied 3D object retrieval techniques using 2D and 3D shape descriptors in the last several decades. In this paper, some of the most popular shape descriptors are reviewed. We first discuss the important criteria for a good shape descriptor. Then, we classify 2D and 3D shape descriptors...
This paper presents a robust method for facial shape and texture reconstruction based-on the model of polyhedron and the technology of photometric stereo. Using the continuity restrictions and error-reduced operator, the presented method can overcome the influence of shadow and highlight. First, we reconstruct the 2.5D shape and texture of human face by solving a linear equations system established...
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