Image analysis – Applications – Vehicle or traffic control
Reexamination Certificate
2005-07-13
2008-03-18
Harold, Jefferey F (Department: 4115)
Image analysis
Applications
Vehicle or traffic control
C382S103000, C382S107000, C382S168000, C382S170000, C348S208140, C348S699000
Reexamination Certificate
active
07346191
ABSTRACT:
An aspect of the present invention provides a moving obstacle detecting device installed in or on a moving body for detecting moving obstacles in the vicinity of the moving body, the moving obstacle detecting device that includes an image capturing unit configured and arranged to capture an image of the surroundings of the moving body, an optical flow calculating unit configured to find an optical flow corresponding to characteristic points in the image captured with the camera, a focus of expansion calculating unit configured to calculate focus or foci of expansion of the motion vectors in the optical flow found by the optical flow calculating unit, a histogram creating unit configured to create a histogram of the distribution of the focus or foci of expansion calculated by the focus of expansion calculating unit, a peak test unit configured to detect at least one moving obstacle to test peaks in the histogram, the test determining whether or not the peaks correspond to the same object if two or more peaks exist in the histogram created by the histogram creating unit.
REFERENCES:
patent: 5521633 (1996-05-01), Nakajima et al.
patent: 5777690 (1998-07-01), Takeda et al.
patent: 6445809 (2002-09-01), Sasaki et al.
patent: 6704621 (2004-03-01), Stein et al.
patent: 2003/0099400 (2003-05-01), Ishikawa
patent: 2003/0210807 (2003-11-01), Sato et al.
patent: 2005/0196020 (2005-09-01), Comaniciu et al.
patent: 2006/0091286 (2006-05-01), Finizio et al.
patent: 09-259282 (1997-10-01), None
Coombs et al., Real-Time Obstacle Avoidance Using Central Flow Divergence, and Peripheral Flow, Feb. 1998, IEEE Transactions on Robotics and Automation, vol. 14, No. 1, pp. 49-59.
Detection of Obstacle from Monocular Vision Based on Histogram Matching Method, Aug. 5-10, 1996, Proceedings of the 1996 IEEE IECON 22nd International Conference on Industrial Electronics, Control, and Instrumentation, vol. 2, pp. 1047-1051.
Harold Jefferey F
McDermott Will & Emery LLP
Nissan Motor Co,. Ltd.
Zeilberger Daniel
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