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Patent Searching and Data


Title:
ステレオ計測装置及びシステム
Document Type and Number:
Japanese Patent JP6734994
Kind Code:
B2
Abstract:
Provided is a stereo measurement system that makes it possible to perform measurement over a wide range from a short distance to a long distance by use of a single stereo camera. A stereo measurement device for processing right and left image information from a stereo camera unit that provides the right and left image information by use of right and left cameras and that includes a camera control unit for the right and left cameras, the stereo measurement device being characterized in that the stereo measurement device is provided with: a feature point selection unit that selects feature points from the image scenes of the right and left image information; a calibration calculation unit that uses the selected feature points to perform a calibration, thereby calculating calculation data; a distance calculation unit that uses the calculated calibration data and the right and left image information to calculate the distance to a target object that is to be sensed; and a control amount calculation unit that calculates, from the calculated distance and the image information, control amounts by which to control the camera control unit for the right and left cameras, wherein the control amounts are provided to the camera control unit of the stereo camera unit for the right and left cameras.

Inventors:
Lee Jin
Masanori Miyoshi
Kure Hideyuki
Application Number:
JP2019524821A
Publication Date:
August 05, 2020
Filing Date:
June 23, 2017
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
H04N5/232; G01C3/06; G02B7/30; G03B13/36; G03B15/00; G03B17/56; G03B35/08; H04N5/222; H04N5/225
Domestic Patent References:
JP2013105002A
JP2007263669A
JP2012103741A
JP2017040549A
JP2004096488A
JP2004310595A
JP2016099941A
JP2010050582A
Attorney, Agent or Firm:
Polaire Patent Business Corporation