Creating photorealistic virtual model with polarization-based vision system

Takushi Shibata; Toru Takahashi; Daisuke Miyazaki; Yoichi Sato; Katsushi Ikeuchi

doi:10.1117/12.616040

18 August 2005 Creating photorealistic virtual model with polarization-based vision system

Takushi Shibata, Toru Takahashi, Daisuke Miyazaki, Yoichi Sato, Katsushi Ikeuchi

Proceedings Volume 5888, Polarization Science and Remote Sensing II; 588804 (2005) https://doi.org/10.1117/12.616040
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Recently, 3D models are used in many fields such as education, medical services, entertainment, art, digital archive, etc., because of the progress of computational time and demand for creating photorealistic virtual model is increasing for higher reality. In computer vision field, a number of techniques have been developed for creating the virtual model by observing the real object in computer vision field. In this paper, we propose the method for creating photorealistic virtual model by using laser range sensor and polarization based image capture system. We capture the range and color images of the object which is rotated on the rotary table. By using the reconstructed object shape and sequence of color images of the object, parameter of a reflection model are estimated in a robust manner. As a result, then, we can make photorealistic 3D model in consideration of surface reflection. The key point of the proposed method is that, first, the diffuse and specular reflection components are separated from the color image sequence, and then, reflectance parameters of each reflection component are estimated separately. In separation of reflection components, we use polarization filter. This approach enables estimation of reflectance properties of real objects whose surfaces show specularity as well as diffusely reflected lights. The recovered object shape and reflectance properties are then used for synthesizing object images with realistic shading effects under arbitrary illumination conditions.

Citation Download Citation

Takushi Shibata, Toru Takahashi, Daisuke Miyazaki, Yoichi Sato, and Katsushi Ikeuchi "Creating photorealistic virtual model with polarization-based vision system", Proc. SPIE 5888, Polarization Science and Remote Sensing II, 588804 (18 August 2005); https://doi.org/10.1117/12.616040

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