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Patent Searching and Data


Title:
CALIBRATION METHOD AND CALIBRATION DEVICE
Document Type and Number:
Japanese Patent JP2020195089
Kind Code:
A
Abstract:
To easily calibrate a camera.SOLUTION: A calibration device includes a bird's-eye view conversion unit 50 that converts a calibration image 70 which is taken by a camera 2 and in which the entire designated parking frame 83 appears into a calibration bird's-eye view image 72 for each camera 2, and a parameter estimation unit 56 that estimates a parameter of each camera on the basis of the designated parking frame 83 that appears in the calibration bird's-eye view image 72 of each camera 2. The parameter estimation unit 56 estimates the parameter of each camera 2 on the basis of the deviation of a pair of frame lines 83A in the calibration bird's-eye view image 72 of each camera 2 and a relative relationship between the designated parking frames 83.SELECTED DRAWING: Figure 1

Inventors:
ENDO MAMORU
Application Number:
JP2019100480A
Publication Date:
December 03, 2020
Filing Date:
May 29, 2019
Export Citation:
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Assignee:
CLARION CO LTD
International Classes:
H04N5/232; B60R1/00; G06T7/80; H04N7/18
Attorney, Agent or Firm:
Patent Business Corporation Kushibuchi International Patent Office