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E-14 A-61122/A-61124 March 1999
Image A was processed using a contrast value of 50. Image B
was processed using a contrast value of 80. Compare the two
images. Notice the word "four" in blocks 5, 6, 7 and 8 was not
visible in Image A, but is visible in Image B. Thus, the increased
contrast value provided more legible text.
Image A
Image B