| Presentation | 2023-05-19 Differentiable Ray Tracing for Estimating Object Shape, Texture, and Light Source Tsuyoshi Migita, Norikazu Takahashi, |
|---|---|
| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In this report, an inverse problem of raytracing-based image synthesis is discussed. The proposed method estimates a set of texture images that models the object surface, in addition to shape/position/pose of the object and lighting directions. The method employs the Levenberg-Marquardt method, which uses Jacobian of the objective function as well as gradient for numerical optimization. In order to efficiently calculate the Jacobian, a sparse-matrix-based image representation is introduced, and this is designed so that its computation is efficiently implemented on a GPU-accelerated raytracing library (DXR). |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Raytracing / Differentiable rendering / Parameter estimation / Image sequence / Jacobian |
| Paper # | PRMU2023-10 |
| Date of Issue | 2023-05-11 (PRMU) |
| Conference Information | |
| Committee | PRMU / IPSJ-CVIM |
|---|---|
| Conference Date | 2023/5/18(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Seiichi Uchida(Kyushu Univ.) |
| Vice Chair | Takuya Funatomi(NAIST) / Mitsuru Anpai(Denso IT Lab.) |
| Secretary | Takuya Funatomi(CyberAgent) / Mitsuru Anpai(Univ. of Tokyo) |
| Assistant | Nakamasa Inoue(Tokyo Inst. of Tech.) / Yasutomo Kawanishi(Riken) |
| Paper Information | |
| Registration To | Technical Committee on Pattern Recognition and Media Understanding / Special Interest Group on Computer Vision and Image Media |
|---|---|
| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Differentiable Ray Tracing for Estimating Object Shape, Texture, and Light Source |
| Sub Title (in English) | |
| Keyword(1) | Raytracing |
| Keyword(2) | Differentiable rendering |
| Keyword(3) | Parameter estimation |
| Keyword(4) | Image sequence |
| Keyword(5) | Jacobian |
| 1st Author's Name | Tsuyoshi Migita |
| 1st Author's Affiliation | Okayama University(Okayama Univ.) |
| 2nd Author's Name | Norikazu Takahashi |
| 2nd Author's Affiliation | Okayama University(Okayama Univ.) |
| Date | 2023-05-19 |
| Paper # | PRMU2023-10 |
| Volume (vol) | vol.123 |
| Number (no) | PRMU-30 |
| Page | pp.pp.51-56(PRMU), |
| #Pages | 6 |
| Date of Issue | 2023-05-11 (PRMU) |