Method and apparatus for detecting moving object

Image analysis – Applications – Motion or velocity measuring

Reexamination Certificate

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Details

C348S155000, C356S027000, C073S488000

Reexamination Certificate

active

06931146

ABSTRACT:
For automatically detecting a moving object in an input image taken using a monitor camera or the like, an apparatus includes an input image extracting section, an input image retaining section, a background image retaining section, a background difference calculating section, a moving direction recognizing section, and a united judging section. A movement of an object is detected with precision even in an environment where illumination varies, irrespective of the relative position of a ridge line of the object and a border of unit blocks. And only the moving object can be detected stably even when the camera encounters swing, vibration, etc.

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S. Nagaya, et al., “Moving Object Detection by Time-Correlation-Based Background Judgement Method,” The Institute of Electronics, Information and Communication Engineers, Thesis Review (D-II), vol. J79-D-II, No. 4, pp. 568-576, Apr. 1996.
H. Habe, et al., “A Robust Background Subtraction Method for Non-Stationary Scenes,” Meeting on Image Recognition and Understanding, MIRU '98, Jul. 1998.

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