| Paper Abstract and Keywords |
| Presentation |
2016-11-17 16:30
[Poster Presentation]
Dynamic Photometric Stereo Method using Multi-Tap CMOS Image Sensor
Takuya Yoda, Hajime Nagahara, Rin-ichiro Taniguchi (Kyushu Univ.), Keiichiro Kagawa, Keita Yasutomi, Shoji Kawahito (Shizuoka Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Photometric stereo enables the estimation of surface normals from images that were captured using different known lighting directions. The classical photometric stereo method requires at least three images to determine the normals of a given scene. This method therefore cannot be applied to a dynamic scene, because it is assumed that the scene should remain static while the required images are captured. We present a dynamic photometric stereo method to estimate the surface normals in a dynamic scene. We use a multi-tap CMOS image sensor to capture the input images for the photometric stereo method. The image sensor can divide the electrons from the photodiode of a single pixel into different taps of exposures, and can therefore capture multiple images under different lighting conditions with almost the same timing. We implemented a prototype camera that was synchronized with a lighting system, and subsequently realized photometric stereo of a dynamic scene. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Computational Photography / Photometric Stereo / surface normal / CMOS image sensor / / / / |
| Reference Info. |
ITE Tech. Rep., vol. 40, no. 40, IST2016-48, pp. 1-2, Nov. 2016. |
| Paper # |
IST2016-48 |
| Date of Issue |
2016-11-10 (IST) |
| ISSN |
Print edition: ISSN 1342-6893 Online edition: ISSN 2424-1970 |
| Download PDF |
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| Conference Information |
| Committee |
IST |
| Conference Date |
2016-11-17 - 2016-11-17 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
TITECH Tamachi Campus |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Open Poster Session of 3rd International Workshop on Image Sensors and Imaging Systems (IWISS2016) |
| Paper Information |
| Registration To |
IST |
| Conference Code |
2016-11-IST |
| Language |
English |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Dynamic Photometric Stereo Method using Multi-Tap CMOS Image Sensor |
| Sub Title (in English) |
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| Keyword(1) |
Computational Photography |
| Keyword(2) |
Photometric Stereo |
| Keyword(3) |
surface normal |
| Keyword(4) |
CMOS image sensor |
| Keyword(5) |
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| 1st Author's Name |
Takuya Yoda |
| 1st Author's Affiliation |
Kyushu University (Kyushu Univ.) |
| 2nd Author's Name |
Hajime Nagahara |
| 2nd Author's Affiliation |
Kyushu University (Kyushu Univ.) |
| 3rd Author's Name |
Rin-ichiro Taniguchi |
| 3rd Author's Affiliation |
Kyushu University (Kyushu Univ.) |
| 4th Author's Name |
Keiichiro Kagawa |
| 4th Author's Affiliation |
Shizuoka University (Shizuoka Univ.) |
| 5th Author's Name |
Keita Yasutomi |
| 5th Author's Affiliation |
Shizuoka University (Shizuoka Univ.) |
| 6th Author's Name |
Shoji Kawahito |
| 6th Author's Affiliation |
Shizuoka University (Shizuoka Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2016-11-17 16:30:00 |
| Presentation Time |
90 minutes |
| Registration for |
IST |
| Paper # |
IST2016-48 |
| Volume (vol) |
vol.40 |
| Number (no) |
no.40 |
| Page |
pp.1-2 |
| #Pages |
2 |
| Date of Issue |
2016-11-10 (IST) |