Automatic separation of subject pixels using segmentation...

Details Automatic separation of subject pixels using segmentation... Automatic separation of subject pixels using segmentation...

2005-01-18

2005-01-18

Mehta, Bhavesh M. (Department: 2621)

Image analysis

Pattern recognition

Template matching

C348S128000, C348S130000, C348S131000, C382S141000, C382S165000, C382S170000, C382S218000, C382S278000, C250S559390, C250S559410, C250S559420, C250S559440, C250S559450

Reexamination Certificate

active

06845178

ABSTRACT:
A method and apparatus for characterizing pixels in an image of an object surface by providing at least two images of the surface wherein each pixel has a unique location common to all of the images; comparing each pixel value at each location to an identification matrix; and identifying the region in which each pixel is located based on the comparison. The matrix can comprise a plurality of non-pixel values representing one or more regions, each of the regions defining at least one surface attribute. One embodiment provides at least two references images of a template using the same technique used to obtain each image of the surface, and creating the matrix using the reference images. Providing at least two images comprises providing a first and second image, wherein the surface is illuminated using a first and second source of illumination, or providing the first using a source of illumination and providing the second from the first.

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