Image analysis – Pattern recognition – Template matching
Reexamination Certificate
2005-11-01
2005-11-01
Metha, Bhavesh M. (Department: 2625)
Image analysis
Pattern recognition
Template matching
C382S141000, C382S209000, C348S129000
Reexamination Certificate
active
06961468
ABSTRACT:
A method and apparatus are disclosed for testing the accuracy of digital images generated by a computer graphics program executed on a computer graphics system. A test program is utilized to compare test images with a set of reference images. Adaptive local image quantification verification aims at an image comparison that allows specified color value and spatial shifts. The color value for each pixel of a specified portion of the test image is compared to the average color value of an offset array of pixels in a reference image. A test image region may be unacceptably different from a reference image, if for any pixel of the test image region an offset reference image array is not found that has an array size, absolute color value difference, and spatial shift less than specified maximums.
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Chung Tat Leung
Hsieh Teh-Ming
Huang Shuangying
Hwang Lie-Hwang
Hood Jeffrey C.
Hung Yubin
Metha Bhavesh M.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
Sun Microsystems Inc.
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