Method and apparatus for detecting changes in dynamic images

Details Method and apparatus for detecting changes in dynamic images Method and apparatus for detecting changes in dynamic images

1994-09-23

1996-08-20

Mancuso, Joseph

Image analysis

Applications

Motion or velocity measuring

348155, G06K 900

Patent

active

055486592

ABSTRACT:
A method and apparatus for detecting changes in dynamic images. The method and apparatus are capable of detecting movement at a high precision of a moving object against a static background, regardless of the variation of the image taking environmental condition, such as a lighting condition. In the apparatus, input images of a moving object are taken against a static background sequentially, and difference images are obtained from successive ones of the input images. Then, an appropriate noise model for a lightness variation due to an image taking environmental condition under which the input images are taken is estimated according to the input images and the difference images. Changed regions in an entire imaging view field are detected according to the input images, the difference images, and the appropriate noise model.

REFERENCES:
patent: 3823261 (1974-07-01), Bolsey
patent: 4437161 (1984-03-01), Anderson
patent: 4703358 (1987-10-01), Flannaghan
patent: 4903205 (1990-02-01), Hishinuma
patent: 4937878 (1990-06-01), Lo et al.
patent: 5034986 (1991-07-01), Karmann et al.
patent: 5048110 (1991-09-01), Nakajima
patent: 5067014 (1991-11-01), Bergen et al.
patent: 5150426 (1992-09-01), Banh et al.
patent: 5151945 (1992-09-01), Lee et al.
patent: 5179441 (1993-01-01), Anderson et al.
patent: 5233417 (1993-08-01), Nouso
"Robust Object Detection under Various Environmental Conditions", Maeda et al., NTT Human Interface Laboratories, Japan, pp. 1-16, 3pps. of figures.

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