| Paper Abstract and Keywords |
| Presentation |
2006-03-17 11:45
Revisiting Geotensity in the Presence of Specular Reflection
Atsuto Maki (Kyoto Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
The geotensity constraint governs the relationship between four or more
images of a moving object in spite of the illumination variance due
to object motion. It applies to 3D surface reconstruction as well as to
generate illumination image basis for Lambertian surface under a distant
point light source. This paper presents a simple method for extending the
availability of the constraint to the case that specularities are also present.
The key idea is to utilise the fact that highlights shift on the surface
due to object motion. That is, we employ five or more images as inputs,
and interchangeably utilise a certain intensity subset consisting of four
projected intensities which is the least influenced by the specular component.
Further, we show an algorithm to directly linearise the image basis by
factoring out the specular components as residuals with respect to a linear
combination of the intensity subset. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
3D surface reconstruction / illumination image basis / geotensity / specular reflection / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 105, no. 674, PRMU2005-273, pp. 93-98, March 2006. |
| Paper # |
PRMU2005-273 |
| Date of Issue |
2006-03-10 (PRMU) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
PRMU |
| Conference Date |
2006-03-16 - 2006-03-17 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kyushu Univ. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
PRMU |
| Conference Code |
2006-03-PRMU |
| Language |
English |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Revisiting Geotensity in the Presence of Specular Reflection |
| Sub Title (in English) |
|
| Keyword(1) |
3D surface reconstruction |
| Keyword(2) |
illumination image basis |
| Keyword(3) |
geotensity |
| Keyword(4) |
specular reflection |
| Keyword(5) |
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| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Atsuto Maki |
| 1st Author's Affiliation |
Kyoto University (Kyoto Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2006-03-17 11:45:00 |
| Presentation Time |
30 minutes |
| Registration for |
PRMU |
| Paper # |
PRMU2005-273 |
| Volume (vol) |
vol.105 |
| Number (no) |
no.674 |
| Page |
pp.93-98 |
| #Pages |
6 |
| Date of Issue |
2006-03-10 (PRMU) |