Correction of distortions in form processing
First Claim
Patent Images
1. A method for processing an input image, comprising:
- applying one or more transformations to the input image, whereby different shifts are applied to different pixels in the input image, so as to generate an output image;
selecting in the output image a region containing content of interest;
locating in the input image the region corresponding to the selected region in the output image; and
substituting the content of the located region in the input image for the content of the selected region in the output image.
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Abstract
A method for processing an input image includes applying one or more transformations to the input image, whereby different shifts are applied to different pixels in the input image, so as to generate an output image. A region containing content of interest is selected in the output image, and the region corresponding to the selected region in the output image is located in the input image. The content of the located region in the input image is substituted for the content of the selected region in the output image.
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Citations
26 Claims
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1. A method for processing an input image, comprising:
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applying one or more transformations to the input image, whereby different shifts are applied to different pixels in the input image, so as to generate an output image;
selecting in the output image a region containing content of interest;
locating in the input image the region corresponding to the selected region in the output image; and
substituting the content of the located region in the input image for the content of the selected region in the output image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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- 17. Apparatus for processing an input image of a document including a template having one or more regions that are filled in with content, the apparatus comprising a form processor, which is adapted to apply one or more transformations to the input image so as to generate an output image in which the template is registered with a reference template, to select at least one of the filled-in regions in the output image, to locate in the input image at least one filled-in region corresponding to the at least one selected region in the output image, and to substitute the content of the at least one located region in the input image for the content of the at least one selected region in the output image.
- 20. A computer software product for processing an input image, the product comprising a computer-readable medium in which program instructions are stored, which instructions, when read by a computer, cause the computer to apply one or more transformations to the input image, whereby different shifts are applied to different pixels in the input image, so as to generate an output image, to select in the output image a region containing content of interest, to locate in the input image the region corresponding to the selected region in the output image, and to substitute the content of the located region in the input image for the content of the selected region in the output image.
Specification