| Presentation | 2009-02-05 Estimation of extrinsic parameters of the perspective camera model based on the geometric invariant of a planar symmetry object Tatsunori HIRATA, Haruki KAWANAKA, Masahiro MIYAJI, Koji OGURI, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | When measuring and recognizing it with the camera, the presumption accuracy of the camera parameter decides and puts the accuracy of the output of the system. However, for example, the position and a direction may shift gradually by vibration of an installation instrument, a shock and aging, thermal expansion, etc. So the increase in a measurement error is not avoided with the original camera parameter. Moreover, when the camera like the pan, tilt, zoom, etc. is adjusting controlled, it is necessary to update the camera parameter. Therefore we think that we demand an unknown parameter as a restriction condition with the plane symmetry characteristic of the photography object. Generally the parameter estimation in a projection camera model serves as a nonlinear optimization problem. But as update type algorithm, we aim at the method that is computability easily in a short time. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Camera Calibration / Perspective Projection / Extrinsic Parameter / Symmetry |
| Paper # | ITS2008-67,IE2008-237 |
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| Conference Information | |
| Committee | ITS |
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| Conference Date | 2009/1/28(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Vice Chair | |
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| Paper Information | |
| Registration To | Intelligent Transport Systems Technology (ITS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Estimation of extrinsic parameters of the perspective camera model based on the geometric invariant of a planar symmetry object |
| Sub Title (in English) | |
| Keyword(1) | Camera Calibration |
| Keyword(2) | Perspective Projection |
| Keyword(3) | Extrinsic Parameter |
| Keyword(4) | Symmetry |
| 1st Author's Name | Tatsunori HIRATA |
| 1st Author's Affiliation | Faculty of Information Science and Technology, Aichi Prefectural University() |
| 2nd Author's Name | Haruki KAWANAKA |
| 2nd Author's Affiliation | Faculty of Information Science and Technology, Aichi Prefectural University |
| 3rd Author's Name | Masahiro MIYAJI |
| 3rd Author's Affiliation | Faculty of Information Science and Technology, Aichi Prefectural University |
| 4th Author's Name | Koji OGURI |
| 4th Author's Affiliation | Faculty of Information Science and Technology, Aichi Prefectural University |
| Date | 2009-02-05 |
| Paper # | ITS2008-67,IE2008-237 |
| Volume (vol) | vol.108 |
| Number (no) | 424 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |