Title:
METHOD AND SYSTEM FOR POSITIONAL INFORMATION SERVICE
Document Type and Number:
Japanese Patent JP2020009391
Kind Code:
A
Abstract:
To deal with the issues of a positional information provision service in a building or in an underground space that a user sometimes is not aware of the situation in which the user is unable to use services due to bad reception of electric waves or that the user cannot get the positional information on the point where the user is since all the user can get is the positional information of the set color code.SOLUTION: The positional information service system includes a plurality of color code display units, an imaging unit, a color code decoding unit, and a current position estimation unit. The imaging unit generates at least one piece of image data of a landscape including the color code display units. The color code decoding unit decodes the color code in the image data and extracts position-related information. The current position estimation unit estimates the positional coordinates of the imaging unit on the basis of images of the color code display units in the image and the position-related information.SELECTED DRAWING: Figure 1
Inventors:
MIWA MAKOTO
AKIYAMA MASAKI
AKIYAMA MASAKI
Application Number:
JP2018140754A
Publication Date:
January 16, 2020
Filing Date:
July 09, 2018
Export Citation:
Assignee:
ANSWER CO LTD
International Classes:
G06F16/00; G01B11/00; G01B11/26; G06F16/50; G06T7/70
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Foreign References:
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