Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DATA CORRECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/065927
Kind Code:
A1
Abstract:
This invention addresses the problem of appropriately correcting data based on position data acquired by positioning. A data correction device 1 comprises: an information storage unit 11 that stores position information including position data acquired by positioning and positioning information pertaining to said positioning; a filter generation unit 13 that generates a filter on the basis of the positioning information included in the position information stored by the information storage unit 11; and a data correction unit 14 that corrects data based on the position data included in the position information by applying, to the data, the filter generated by the filter generation unit 13 on the basis of the positioning information included in the position information. The positioning information may be a positioning interval and/or a positioning error. The filter generation unit 13 may generate a uniform distribution filter based on a positioning interval. The filter generation unit 13 may generate a normal distribution filter based on a positioning error.

Inventors:
NAKAGAWA TOMOHIRO (JP)
DOUMEN TAKUYA (JP)
SASAKI KAZUYA (JP)
Application Number:
PCT/JP2020/036967
Publication Date:
April 08, 2021
Filing Date:
September 29, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NTT DOCOMO INC (JP)
International Classes:
G01S19/40; G01S5/02; H04W4/02
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF: