| Paper Abstract and Keywords |
| Presentation |
2011-02-19 12:30
Multi-viewpoint Depth From Focus/Defocus Technique
Tomohiro Isono, Yutaka Nakano, Toshiyuki Yoshida (Univ. of Fukui) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Shape From Focus/Defocus (SFF/SFD) has been known as a depth estimation technique by using focus information. The technique estimates the depth for each point of a target object based on a focus measure extracted for each block on a set of multi-focus images. The authors have proposed a 3-D whole shape reconstruction technique, which first obtains a set of multi-view and multi-focus images for a target object and then integrates the shape models obtained from each viewpoint with the SFF/SFD. In this technique, the depth estimation error is expected to be reduced by using not only a single set of multi-focus images from a single viewpoint but also another set from another viewpoint together. Although we have realized such an idea in our previous report, the criteria for estimating depth values was not necessary optimal. This report thus introduces a new criteria which uses the derivative of an approximating function for the set of the focus measures, and gives some experimental results to show its effectiveness. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
depth estimation / SFF/SFD / multi-viewpoint images / 3-D model / error reduction / / / |
| Reference Info. |
ITE Tech. Rep., vol. 35, no. 8, ME2011-21, pp. 81-84, Feb. 2011. |
| Paper # |
ME2011-21 |
| Date of Issue |
2011-02-12 (ME) |
| ISSN |
Print edition: ISSN 1342-6893 |
| Download PDF |
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| Conference Information |
| Committee |
ME |
| Conference Date |
2011-02-19 - 2011-02-19 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kanto Gakuin Univ. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
ME |
| Conference Code |
2011-02-ME |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Multi-viewpoint Depth From Focus/Defocus Technique |
| Sub Title (in English) |
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| Keyword(1) |
depth estimation |
| Keyword(2) |
SFF/SFD |
| Keyword(3) |
multi-viewpoint images |
| Keyword(4) |
3-D model |
| Keyword(5) |
error reduction |
| Keyword(6) |
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| Keyword(7) |
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| 1st Author's Name |
Tomohiro Isono |
| 1st Author's Affiliation |
University of Fukui (Univ. of Fukui) |
| 2nd Author's Name |
Yutaka Nakano |
| 2nd Author's Affiliation |
University of Fukui (Univ. of Fukui) |
| 3rd Author's Name |
Toshiyuki Yoshida |
| 3rd Author's Affiliation |
University of Fukui (Univ. of Fukui) |
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| Speaker |
Author-1 |
| Date Time |
2011-02-19 12:30:00 |
| Presentation Time |
15 minutes |
| Registration for |
ME |
| Paper # |
ME2011-21 |
| Volume (vol) |
vol.35 |
| Number (no) |
no.8 |
| Page |
pp.81-84 |
| #Pages |
4 |
| Date of Issue |
2011-02-12 (ME) |