To make it possible to transform shape similarity into a numeric value and to retrieve a similar shape on the basis of the numeric value.
A shape data creation system 1 uses: a waveform data conversion part 222 for applying Fourier transform to new dot sequence data and existing dot sequence data, converting the new dot sequence data into new waveform data and converting the existing dot sequence data into existing waveform data; a similarity determination part 223 for determining similarity between the converted new waveform data and the existing waveform data; and an extraction part 224 for identifying the existing waveform data similar to the new waveform data on the basis of the determined similarity, and extracting existing shape data corresponding to the existing waveform data as a retrieval result.
| JP2012063312 | POINT SEARCH DEVICE, POINT SEARCH METHOD AND COMPUTER PROGRAM |
| JPWO2011128948 | Navigation device |
| WO/2016/179502 | SYSTEM AND METHOD FOR DATA SYNCHRONIZATION |
KIKUCHI TAKASHI
Hayashi Ichiyoshi
Kazuhiro Suganuma
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