OVERHEAD IMAGE-READING APPARATUS IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT
First Claim
1. An overhead image-reading apparatus comprising a one-dimensional image sensor having imaging elements arranged in parallel to each other and configured to change an angle between an optical axis of a light source and a medium to be read during reading of the medium,the apparatus comprising:
- a correcting unit that corrects distortion in a main-scanning direction in read image data of the medium read by the apparatus.
1 Assignment
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Accused Products
Abstract
An overhead image-reading apparatus includes a one-dimensional image sensor having imaging elements arranged in parallel to each other and is configured to change an angle between an optical axis of a light source and a medium to be read during reading of the medium, and the apparatus includes a correcting unit that corrects distortion in a main-scanning direction in read image data of the medium read by the apparatus.
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Citations
5 Claims
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1. An overhead image-reading apparatus comprising a one-dimensional image sensor having imaging elements arranged in parallel to each other and configured to change an angle between an optical axis of a light source and a medium to be read during reading of the medium,
the apparatus comprising: a correcting unit that corrects distortion in a main-scanning direction in read image data of the medium read by the apparatus. - View Dependent Claims (2, 3)
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4. An image processing method executed by an overhead image-reading apparatus including a one-dimensional image sensor having imaging elements arranged in parallel to each other and configured to change an angle between an optical axis of a light source and a medium to be read during reading of the medium,
the method executed by the overhead image-reading apparatus comprising: a correcting step of correcting distortion in a main-scanning direction in read image data of the medium read by the apparatus.
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5. A computer program product having a non-transitory computer readable mediums including programmed instructions for an image processing method executed by an overhead image-reading apparatus including a one-dimensional image sensor having imaging elements arranged in parallel to each other and configured to change an angle between an optical axis of a light source and a medium to be read during reading of the medium, wherein
the instructions, when executed by the overhead image-reading apparatus, cause the overhead image-reading apparatus to execute: a correcting step of correcting distortion in a main-scanning direction in read image data of the medium read by the apparatus.
Specification