| Paper Abstract and Keywords |
| Presentation |
2014-10-03 09:20
Error Reduction in SFF technique based on a Weighted Sum of Subband Components
Naoto Fukukawa, 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, which gives the depth estimation based on a blockwise focus measure calculated from a set of multi-focus images. The authors have proposed an error reduction technique for SFF which applies a spectral shaping (SS) filter, whose frequency response is a reciprocal of the lens point spread function (PSF), to the focus measure defined as the squared sum of a BPF output. However, this technique cannot reduce the estimation error sufficiently because of the error in the frequency response of the SS filter. To further reduce the estimation error, this paper proposes a new technique that compensates for the spectral error by a weighted sum of two BPF outputs. |
| 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. 38, no. 39, ME2014-98, pp. 41-44, Oct. 2014. |
| Paper # |
ME2014-98 |
| Date of Issue |
2014-09-25 (ME) |
| ISSN |
Print edition: ISSN 1342-6893 |
| Notes on Review |
This article is a technical report without peer review, and its polished version will be published elsewhere. |
| Download PDF |
|
| Conference Information |
| Committee |
ME JSKE |
| Conference Date |
2014-10-02 - 2014-10-03 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
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| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
ME |
| Conference Code |
2014-10-ME-JSKE |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Error Reduction in SFF technique based on a Weighted Sum of Subband Components |
| Sub Title (in English) |
|
| 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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| Keyword(8) |
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| 1st Author's Name |
Naoto Fukukawa |
| 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 |
2014-10-03 09:20:00 |
| Presentation Time |
25 minutes |
| Registration for |
ME |
| Paper # |
ME2014-98 |
| Volume (vol) |
vol.38 |
| Number (no) |
no.39 |
| Page |
pp.41-44 |
| #Pages |
4 |
| Date of Issue |
2014-09-25 (ME) |