MESH DATA CREATION METHOD

MESH DATA CREATION METHOD

PROBLEM TO BE SOLVED: To provide a mesh data creation method for properly expressing a population density while keeping a balance between accuracy and granularity. SOLUTION: According to the mesh data creation method, when the number of samples contained in a reference mesh data area having a predet...

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Bibliographische Detailangaben
Hauptverfasser: OYABU YUKI, CHO BANKI, KOBAYASHI MOTONARI, NAGATA TOMOHIRO, OCHI DAISUKE, SUZUKI TOSHIHIRO, OKAJIMA ICHIRO, KAWAKAMI HIROSHI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a mesh data creation method for properly expressing a population density while keeping a balance between accuracy and granularity. SOLUTION: According to the mesh data creation method, when the number of samples contained in a reference mesh data area having a predetermined size is at least a threshold value, divided mesh data are created by dividing the reference mesh data area. Namely, the portion having a high population density can be expressed by a fine mesh data area, and the portion having a low population density can be expressed by a rough mesh data area. Thereby, the decrease in accuracy caused by making the mesh too fine, the loss of granularity caused by making the mesh too rough, and the resulting failure of obtaining details of the population density can be prevented. Therefore, the population density can be appropriately expressed while the accuracy and the granularity can be balanced. COPYRIGHT: (C)2011,JPO&INPIT