TRAJECTORY DATA ANALYSIS DEVICE, TRAJECTORY DATA ANALYSIS METHOD, AND PROGRAM
PROBLEM TO BE SOLVED: To compare or sort trajectory data between different measurement environments.SOLUTION: A trajectory data analysis device includes: a knot creating unit 403 which converts two-dimensional trajectory data acquired in a measurement environment to a three-dimensional curve by ster...
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| creator | OTA MASAKATSU |
| description | PROBLEM TO BE SOLVED: To compare or sort trajectory data between different measurement environments.SOLUTION: A trajectory data analysis device includes: a knot creating unit 403 which converts two-dimensional trajectory data acquired in a measurement environment to a three-dimensional curve by sterically crossing at an intersection, to output a knot based on the curve; a knot invariant calculation unit 404 which calculates invariant of the knot; and a feature analysis unit 405 which decomposes the invariant calculated by the knot invariant calculation unit 404 into multiple kinds of prime knot groups determined in advance in a database 406, for multiple pieces of trajectory data acquired in the measurement environment, determines an occurrence frequency distribution of the prime knot, and creates a feature vector of the trajectory data in the measurement environment on the basis of the occurrence frequency distribution. |
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a knot invariant calculation unit 404 which calculates invariant of the knot; and a feature analysis unit 405 which decomposes the invariant calculated by the knot invariant calculation unit 404 into multiple kinds of prime knot groups determined in advance in a database 406, for multiple pieces of trajectory data acquired in the measurement environment, determines an occurrence frequency distribution of the prime knot, and creates a feature vector of the trajectory data in the measurement environment on the basis of the occurrence frequency distribution.</description><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ; PHYSICS ; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140918&DB=EPODOC&CC=JP&NR=2014170276A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140918&DB=EPODOC&CC=JP&NR=2014170276A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OTA MASAKATSU</creatorcontrib><title>TRAJECTORY DATA ANALYSIS DEVICE, TRAJECTORY DATA ANALYSIS METHOD, AND PROGRAM</title><description>PROBLEM TO BE SOLVED: To compare or sort trajectory data between different measurement environments.SOLUTION: A trajectory data analysis device includes: a knot creating unit 403 which converts two-dimensional trajectory data acquired in a measurement environment to a three-dimensional curve by sterically crossing at an intersection, to output a knot based on the curve; a knot invariant calculation unit 404 which calculates invariant of the knot; and a feature analysis unit 405 which decomposes the invariant calculated by the knot invariant calculation unit 404 into multiple kinds of prime knot groups determined in advance in a database 406, for multiple pieces of trajectory data acquired in the measurement environment, determines an occurrence frequency distribution of the prime knot, and creates a feature vector of the trajectory data in the measurement environment on the basis of the occurrence frequency distribution.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES</subject><subject>PHYSICS</subject><subject>SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPANCXL0cnUO8Q-KVHBxDHFUcPRz9IkM9gxWcHEN83R21VHAqcDXNcTD30UHKOCiEBDk7x7k6MvDwJqWmFOcyguluRmU3FxDnD10Uwvy41OLCxKTU_NSS-K9AowMDE0MzQ2MzM0cjYlSBAA3vi6C</recordid><startdate>20140918</startdate><enddate>20140918</enddate><creator>OTA MASAKATSU</creator><scope>EVB</scope></search><sort><creationdate>20140918</creationdate><title>TRAJECTORY DATA ANALYSIS DEVICE, TRAJECTORY DATA ANALYSIS METHOD, AND PROGRAM</title><author>OTA MASAKATSU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014170276A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES</topic><topic>PHYSICS</topic><topic>SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR</topic><toplevel>online_resources</toplevel><creatorcontrib>OTA MASAKATSU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OTA MASAKATSU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TRAJECTORY DATA ANALYSIS DEVICE, TRAJECTORY DATA ANALYSIS METHOD, AND PROGRAM</title><date>2014-09-18</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To compare or sort trajectory data between different measurement environments.SOLUTION: A trajectory data analysis device includes: a knot creating unit 403 which converts two-dimensional trajectory data acquired in a measurement environment to a three-dimensional curve by sterically crossing at an intersection, to output a knot based on the curve; a knot invariant calculation unit 404 which calculates invariant of the knot; and a feature analysis unit 405 which decomposes the invariant calculated by the knot invariant calculation unit 404 into multiple kinds of prime knot groups determined in advance in a database 406, for multiple pieces of trajectory data acquired in the measurement environment, determines an occurrence frequency distribution of the prime knot, and creates a feature vector of the trajectory data in the measurement environment on the basis of the occurrence frequency distribution.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR |
| title | TRAJECTORY DATA ANALYSIS DEVICE, TRAJECTORY DATA ANALYSIS METHOD, AND PROGRAM |
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