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Title:
TARGET POSITION IDENTIFICATION DEVICE, TARGET POSITION IDENTIFICATION SYSTEM AND TARGET POSITION IDENTIFICATION METHOD
Document Type and Number:
Japanese Patent JP2013234946
Kind Code:
A
Abstract:

To speedily identify respective target positions with high accuracy in identifying the target positions by imaging the ground from an aircraft even when a plurality of targets dispersedly exist.

In a target position identification device 10A, a visual axis measuring section 31 measures a visual axis of a camera 11 and a screen center coordinate calculation section 32 calculates a screen center coordinate of the camera 11 from the visual axis as well as an object distance measured by a laser range-finding section 13. A target coordinate identification section 35 calculates central reference distances which are distances from the calculated screen center coordinate in longitudinal as well as lateral directions and identifies positional coordinates of respective targets by adding the central reference distances to the screen center coordinate.


Inventors:
SHIMIZU TADAHIRO
NISHIMOTO HIDEAKI
Application Number:
JP2012108441A
Publication Date:
November 21, 2013
Filing Date:
May 10, 2012
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD
International Classes:
G01C15/00; G06T17/05; H04N5/225
Domestic Patent References:
JP2005207862A2005-08-04
JP2011191186A2011-09-29
JP2009171369A2009-07-30
JP2001091253A2001-04-06
JP2005249715A2005-09-15
JPH0886851A1996-04-02
JPH08285590A1996-11-01
JP2011112556A2011-06-09
JP2010132096A2010-06-17
JP2004226190A2004-08-12
JP2001292444A2001-10-19
JPH0474907A1992-03-10
Foreign References:
US20110122257A12011-05-26
Attorney, Agent or Firm:
Patent business corporation Yuko patent office