| Presentation | 2006-03-16 Nearest Neighbor Search in High-Dimensional Space based on Space Decomposition and Orthogonal Basis Selection Hidetaka Arai, Takekazu Kato, Toshikazu Wada, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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) |
| Keyword(in English) | Nearest Neighbor Search in high-dimensional space / space decomposition / ANN / PCA |
| Paper # | PRMU2005-239 |
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| Conference Information | |
| Committee | PRMU |
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| Conference Date | 2006/3/9(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Pattern Recognition and Media Understanding (PRMU) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Nearest Neighbor Search in High-Dimensional Space based on Space Decomposition and Orthogonal Basis Selection |
| Sub Title (in English) | |
| Keyword(1) | Nearest Neighbor Search in high-dimensional space |
| Keyword(2) | space decomposition |
| Keyword(3) | ANN |
| Keyword(4) | PCA |
| 1st Author's Name | Hidetaka Arai |
| 1st Author's Affiliation | Graduate School of Systems Engineering, Wakayama University() |
| 2nd Author's Name | Takekazu Kato |
| 2nd Author's Affiliation | Graduate School of Systems Engineering, Wakayama University |
| 3rd Author's Name | Toshikazu Wada |
| 3rd Author's Affiliation | Graduate School of Systems Engineering, Wakayama University |
| Date | 2006-03-16 |
| Paper # | PRMU2005-239 |
| Volume (vol) | vol.105 |
| Number (no) | 673 |
| Page | pp.pp.- |
| #Pages | 8 |
| Date of Issue | |