IMAGING DEVICE, ROTATING DEVICE, DISTANCE MEASURING DEVICE, DISTANCE MEASURING SYSTEM AND DISTANCE MEASURING METHOD

Title:

IMAGING DEVICE, ROTATING DEVICE, DISTANCE MEASURING DEVICE, DISTANCE MEASURING SYSTEM AND DISTANCE MEASURING METHOD

Document Type and Number:

WIPO Patent Application WO/2017/166887

Kind Code:

A1

Abstract:

A distance measuring device (9) coupled to a camera (30) and a rotator (40) for driving the camera (30) to rotate. The camera (30) includes a photo sensor (31) and a lens (32). The distance measuring device (9) includes a distance obtaining module (200), an angle obtaining module (210), and a computing module (220) coupled to the distance obtaining module (200) and the angle obtaining module (210). The distance obtaining module (200) is configured to obtain an unaligned target image of a target captured by the camera (30). A projection of the unaligned target image on a reference plane does not overlap with a projection of a center point (O) of the photo sensor (31) on the reference plane. The reference plane is perpendicular to a rotation axis of the camera (30). The distance obtaining module (200) is further configured to calculate a projection distance between the projection of the unaligned target image and the projection of the center point (O). The angle obtaining module (210) is configured to obtain a rotation angle between an unaligned position at which the camera (30) captures the unaligned target image and an aligned position at which the camera (30) captures an aligned target image of the target. A projection of the aligned target image on the reference plane overlapping with the projection of the center point (O) of the photo sensor (31). The computing module (220) is configured to calculate a target distance between the target and the camera (30) based on the projection distance and the rotation angle.

Inventors:

WU YANBING (CN)
ZHANG XING (CN)
WANG YI (CN)

Application Number:

PCT/CN2017/000026

Publication Date:

October 05, 2017

Filing Date:

January 03, 2017

Export Citation:

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Assignee:

BOE TECHNOLOGY GROUP CO LTD (CN)
UNIV BEIJING (CN)

International Classes:

G01C11/02

Foreign References:

CN105627995A	2016-06-01
CN205593526U	2016-09-21
CN105698751A	2016-06-22
CN205748356U	2016-11-30
JP2007322368A	2007-12-13
CN104677329A	2015-06-03
KR101238748B1	2013-03-04
JP2007322368A	2007-12-13
DE102014213175A1	2016-01-07

Other References: