| Paper Abstract and Keywords |
| Presentation |
2006-01-20 15:40
Optical flow estimation using virtual gradient
Shiho Tanaka (Kobe Univ.), Toshio Ito (DAIHATSU), Takenao Ohkawa (Kobe Univ.), Takeshi Ogihara (Kouchi Univ. of Tech) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
The gradient method using gray-level images is proposed as motion estimation. However, it takes time to estimate motion because it calculates over the image. It has the problem that motion measurement is less accurate
when the images has noise or at the area which the intensity distribution is discontinuous. It also has aperture problem. The edges or the corners have much information about motion of object. In this paper, we calculate only at the edges when we estimate the motion. We assume that object are rigid and the edge of the object has virtual gradient of intensity. Motion measurement is calculated using it. We discuss the aperture problem by experimentation. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
aperture problem / motion estimation / edge / / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 105, no. 534, PRMU2005-169, pp. 117-122, Jan. 2006. |
| Paper # |
PRMU2005-169 |
| Date of Issue |
2006-01-13 (PRMU, HIP) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
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| Conference Information |
| Committee |
PRMU HIP |
| Conference Date |
2006-01-19 - 2006-01-20 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Osaka Univ. |
| Topics (in Japanese) |
(See Japanese page) |
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| Paper Information |
| Registration To |
PRMU |
| Conference Code |
2006-01-PRMU-HIP |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Optical flow estimation using virtual gradient |
| Sub Title (in English) |
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| Keyword(1) |
aperture problem |
| Keyword(2) |
motion estimation |
| Keyword(3) |
edge |
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| 1st Author's Name |
Shiho Tanaka |
| 1st Author's Affiliation |
Kobe University (Kobe Univ.) |
| 2nd Author's Name |
Toshio Ito |
| 2nd Author's Affiliation |
DAIHATSU MOTOR CO.,LTD. (DAIHATSU) |
| 3rd Author's Name |
Takenao Ohkawa |
| 3rd Author's Affiliation |
Kobe University (Kobe Univ.) |
| 4th Author's Name |
Takeshi Ogihara |
| 4th Author's Affiliation |
Kouchi University of Technology (Kouchi Univ. of Tech) |
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| Speaker |
Author-1 |
| Date Time |
2006-01-20 15:40:00 |
| Presentation Time |
30 minutes |
| Registration for |
PRMU |
| Paper # |
PRMU2005-169, HIP2005-139 |
| Volume (vol) |
vol.105 |
| Number (no) |
no.534(PRMU), no.536(HIP) |
| Page |
pp.117-122 |
| #Pages |
6 |
| Date of Issue |
2006-01-13 (PRMU, HIP) |