Title:
RANGING CAMERA
Document Type and Number:
WIPO Patent Application WO/2020/017377
Kind Code:
A1
Abstract:
A ranging camera 1 is provided with: a first imaging system IS1 for acquiring a first image including a first subject image; a second imaging system IS2 for acquiring a second image including a second subject image; a size acquiring unit 3 for acquiring the size of the first subject image by detecting a plurality of feature points of the first subject image in the first image and measuring the distance between the feature points, and for acquiring the size of the second subject image by detecting a plurality of feature points of the second subject image in the second image, corresponding to each of the plurality of feature points of the first subject image, by utilizing epipolar lines, and measuring the distance between said feature points; and a distance calculating unit 5 for calculating the distance to a subject 100 on the basis of an image magnification ratio between the magnification of the first subject image and the magnification of the second subject image.
Inventors:
SUTO SATORU (JP)
Application Number:
PCT/JP2019/026991
Publication Date:
January 23, 2020
Filing Date:
July 08, 2019
Export Citation:
Assignee:
MITSUMI ELECTRIC CO LTD (JP)
International Classes:
G01C3/06; G06T7/593
Foreign References:
| JP2001141422A | 2001-05-25 | |||
| JP2001124519A | 2001-05-11 | |||
| JP2012002683A | 2012-01-05 | |||
| JPH03200007A | 1991-09-02 | |||
| JP2012026841A | 2012-02-09 | |||
| JP2017241896A | 2017-12-18 |
Other References:
See also references of EP 3825649A4
Attorney, Agent or Firm:
ASAHI, Kazuo et al. (JP)
Download PDF:
Previous Patent: DEVELOPING DEVICE AND DEVELOPING METHOD
Next Patent: NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Next Patent: NONAQUEOUS ELECTROLYTE SECONDARY BATTERY