Method for automatically determining the acceptability of a digital image
First Claim
1. A method for automatically determining the acceptability of an input image for a predetermined output operation, said method comprising the steps of:
- (a) identifying one or more important areas in the input image;
(b) calculating a salient acceptability feature for each of the important areas;
(c) determining the acceptability of the input image from the salient acceptability features of the important areas; and
(d) implementing the predetermined output operation based on the acceptability of the input image determined in step (c).
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Abstract
A method for automatically determining the acceptability of an input image for a predetermined output operation, such as printing, includes the steps of: (a) identifying one or more important areas in the input image; (b) calculating a salient acceptability feature for each of the important areas; (c) determining the acceptability of the input image from the salient acceptability features of the important areas; and (d) implementing the predetermined output operation based on the acceptability of the input image determined in step (c).
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Citations
31 Claims
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1. A method for automatically determining the acceptability of an input image for a predetermined output operation, said method comprising the steps of:
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(a) identifying one or more important areas in the input image;
(b) calculating a salient acceptability feature for each of the important areas;
(c) determining the acceptability of the input image from the salient acceptability features of the important areas; and
(d) implementing the predetermined output operation based on the acceptability of the input image determined in step (c). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for automatically determining the acceptability of an input digital image for a printing operation, said method comprising the steps of:
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(a) forming a low resolution analysis image from the input digital image;
(b) detecting edge pixels representing edges in the low resolution analysis image;
(c) obtaining an edge map of the edge pixels in the low resolution analysis image;
(d) dividing the edge map into a plurality of blocks, where each block may contain edge pixels from the edge map;
(e) identifying two or more blocks having the largest number of edge pixels;
(f) obtaining from the input image two or more important areas in the input image that correspond to the two or more blocks identified in step (e);
(g) calculating a salient acceptability feature based upon edge occurrence in each of the important areas;
(h) calculating a statistical measure of edge occurrence from the salient acceptability features calculated in step (g); and
(i) using the statistical measure of edge occurrence to determine the acceptability of the digital input image for printing. - View Dependent Claims (25, 26, 27, 28)
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29. A system for automatically determining the acceptability of an input image for a predetermined output operation, said system comprising:
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an input stage for identifying one or more important areas in the input image;
a processing stage for (a) calculating a salient acceptability feature for each of the important areas and (b) determining the acceptability of the input image from the salient acceptability features of the important areas; and
an output stage for implementing the predetermined output operation based on the acceptability of the input image determined in the processing stage. - View Dependent Claims (30, 31)
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Specification