Mutual conversion between 3D images and light rays

Keisuke Takeuchi; Takeshi Naemura; Hiroshi Harashima

doi:10.1117/12.334643

28 December 1998 Mutual conversion between 3D images and light rays

Keisuke Takeuchi, Takeshi Naemura, Hiroshi Harashima

Proceedings Volume 3653, Visual Communications and Image Processing '99; (1998) https://doi.org/10.1117/12.334643
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

In the field of 3-D image, several kinds of input/output methods are developed and still making rapid progress. Considering such situation, it is desirable that the format of 3-D data is independent on input/output methods. For this purpose, ray-based representation has been proposed. In this method, 3-D physical space is represented by rays which propagate in the space. If whole light rays are completely described, 3-D space can be reproduced correctly from light ray data. However, we can only obtain sample data of light rays, e.g. multiview images. Moreover, the parameters which represent the position and direction of light rays are also sampled. If the sampling of ray parameters is not proper, it is probable that original image are not reproduced correctly from the light rays. In this paper, we discuss the effects of the sampling in mutual conversion between multiview images and light rays. Furthermore, we present sampling methods to reproduce original images correctly for several camera arrangements.

Citation Download Citation

Keisuke Takeuchi, Takeshi Naemura, and Hiroshi Harashima "Mutual conversion between 3D images and light rays", Proc. SPIE 3653, Visual Communications and Image Processing '99, (28 December 1998); https://doi.org/10.1117/12.334643

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