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| Content Provider | IET Digital Library |
|---|---|
| Author | Yu, C. Lee, S. W. |
| Abstract | Bidirectional reflectance distribution function (BRDF) estimation is one of the fundamental problems in computer graphics, computer vision and related fields, yet most work relies on conventional local minimisation. Two global optimisation methods for estimating the anisotropic Ward BRDF model and its variants under an L 2-cost function are introduced. The presented algorithms are based on branch-and-bound search which guarantees to provide globally optimal solutions. In contrast to the traditional local optimisation, the methods mentioned here are not affected by the setting of initial BRDF parameter values. Experiments have been carried out to validate the presented methods using anisotropic materials from the UTIA BRDF database. |
| Starting Page | 1024 |
| Ending Page | 1026 |
| Page Count | 3 |
| ISSN | 00135194 |
| Volume Number | 52 |
| e-ISSN | 1350911X |
| Issue Number | Issue 12, Jun (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/52/12 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2016.0891 |
| Journal | Electronics Letters |
| Publisher Date | 2016-05-11 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Anisotropic BRDF Reliable Estimation Anisotropic Ward BRDF Model Estimation Bidirectional Reflectance Distribution Function Estimation Branch-and-bound Search Combinatorial Mathematics Computer Graphics Computer Vision Computer Vision And Image Processing Technique Global Optimisation Method Graphics Technique L2-cost Function Minimisation Optical, Image And Video Signal Processing Optimisation Technique Tree Searching UTIA BRDF Database Visual Database |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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