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Graphics Interchange Format  |  1997-01-12  |  93KB  |  648x350  |  4-bit (16 colors)
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OCR: Equations (1) variance ..... = E(centerpixel - neighbor)" (2) variance Levine = I(centerpixel - mean) size of area (3) o = variance ,..... (4) skewness = E(centerpixel - mean)* size of ared (5) output = absolutevalue(input [i][]) - input([i + size][] + size] (6) mean Le .... E( pixels of difference array) size of area