Appeal No. 2006-3077
Application No. 09/911,912
Claims 12 and 13 are illustrative and representative of the claimed
invention. They read as follows:
12. A scanner, comprising:
A photo-sensor array for converting an image into an electrical signal;
an A-to-D converter to convert the electrical signal into raw digital
data;
a tone map for transforming the raw digital data into corrected digital
data;
the scanner configured to output the raw digital data when the raw
digital data is below a first pre-selected threshold, to output the corrected
digital data when the raw digital data is greater than a second pre-selected
value, and to output digital data that is interpolated between the raw digital
data and the corrected digital data when the raw digital data is between the
two thresholds.
13. A method of processing data contained in an array of pixels,
comprising:
defining a threshold;
defining a range around the threshold, the range having a top end and
a bottom end;
defining a tone map;
(a) reading a color component of a pixel;
(b) applying the tone map to the color component when the color
component is above the top of the high end;
(c) modifying the color component by interpolation when the color
component is below the top end of the high range and above the bottom end
of the low range, and; otherwise preserving the color component.
3
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