| Paper Abstract and Keywords |
| Presentation |
2006-03-16 10:45
*
Hidetaka Arai, Takekazu Kato, Toshikazu Wada (Wakayama Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Nearest Neighbor (NN) search is essential for case/instance based reasoning. Most NN search methods proposed so far are based on NN candidate narrowing and these methods degenerates to brute force search in high-dimensional space over 30D. Efficient NN search algorithm dealing with image database in over thousand dimensional space has not been proposed. In this paper, we propose an effective NN search algorithm integrating orthogonal expansion by PCA and space decomposition, which works in very high dimensional space. This method can be regarded as a natural extension of ANN. Through extensive experiments, we confirmed the efficiency of our method. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Nearest Neighbor Search in high-dimensional space / space decomposition / ANN / PCA / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 105, no. 673, PRMU2005-239, pp. 41-48, March 2006. |
| Paper # |
PRMU2005-239 |
| Date of Issue |
2006-03-09 (PRMU) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
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| 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) |
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| Paper Information |
| Registration To |
PRMU |
| Conference Code |
2006-03-PRMU |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
* |
| Sub Title (in English) |
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| Keyword(1) |
Nearest Neighbor Search in high-dimensional space |
| Keyword(2) |
space decomposition |
| Keyword(3) |
ANN |
| Keyword(4) |
PCA |
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| 1st Author's Name |
Hidetaka Arai |
| 1st Author's Affiliation |
Wakayama University (Wakayama Univ.) |
| 2nd Author's Name |
Takekazu Kato |
| 2nd Author's Affiliation |
Wakayama University (Wakayama Univ.) |
| 3rd Author's Name |
Toshikazu Wada |
| 3rd Author's Affiliation |
Wakayama University (Wakayama Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2006-03-16 10:45:00 |
| Presentation Time |
30 minutes |
| Registration for |
PRMU |
| Paper # |
PRMU2005-239 |
| Volume (vol) |
vol.105 |
| Number (no) |
no.673 |
| Page |
pp.41-48 |
| #Pages |
8 |
| Date of Issue |
2006-03-09 (PRMU) |