Information processing apparatus, positioning system, positioning method, and program

The positioning system uses image analysis to differentiate between object movement and signal condition changes, ensuring accurate positioning by automating calibration for layout-induced signal fluctuations.

JP2026028367APending Publication Date: 2026-02-20TOPPAN HOLDINGS INC
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Patent Information

Application Number
JP2024130719
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2026-02-20

AI Technical Summary

Technical Problem

Existing positioning technologies fail to distinguish between signal fluctuations caused by object movement and changes in signal propagation conditions, leading to erroneous detection of object movement due to layout changes at manufacturing or logistics sites.

Method used

A positioning system that uses a camera to capture images of the work site, correlating marker positions with positioning information to determine whether signal fluctuations are due to object movement or changes in propagation conditions, enabling automated calibration to correct for signal path alterations.

Benefits of technology

Enables accurate differentiation between object movement and signal condition changes, reducing the need for manual site visits and time-consuming manual calibration.

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Abstract

To determine whether variation of a signal received by a receiver for positioning is caused by movement of a positioning object.SOLUTION: An image acquisition unit configured to acquire a target image obtained by imaging a space where a positioning target exists, a positioning information acquisition unit configured to acquire positioning information indicating a position of the positioning target measured by a receiver receiving a signal transmitted by a transmitter attached to the positioning target, a storage unit configured to store the target image and the positioning information, and a determination unit configured to determine whether a change in the positioning information is caused by a movement of the positioning target or a variation in a propagation state of the signal depending on whether or not the target image indicates that the positioning target has moved.SELECTED DRAWING: Figure 2
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Citation Information

Patent Citations

  • Position measuring system and article storing facility with the same

    JP2014065566A