Method of difference sensing through optical coherent change...

Details Method of difference sensing through optical coherent change... Method of difference sensing through optical coherent change...

2011-08-23

2011-08-23

Desire, Gregory M (Department: 2624)

Image analysis

Pattern recognition

Template matching

C348S169000, C382S103000, C382S261000, C382S275000, C382S294000

Reexamination Certificate

active

08005301

ABSTRACT:
A method of difference sensing. A first step involves producing a reference image using temporal averaging and spatial averaging. A second step involves producing a test image. A third step involves computationally comparing the reference image with the test image to arrive at a resulting difference image. The temporal averaging and spatial averaging effectively isolates in the difference image coherent changes imbeded in a complex and rapidly changing environment from transient changes inherent to the complex and rapidly changing environment.

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