Image reading apparatus and control method of image reading apparatus of automatic sheet discriminate cropping
First Claim
Patent Images
1. An image processing apparatus comprising:
- an acquiring unit configured to acquire a read image obtained by reading of one or more originals which are arranged together on an original plate of a reading apparatus and are read;
a first cropping unit configured to execute a first cropping method for cropping one image area from the read image acquired by the acquiring unit;
a second cropping unit configured to execute a second cropping method for cropping individually a plurality of image areas from the read image acquired by the acquiring unit;
a specifying unit configured to specify one or more candidate regions corresponding to the one or more originals in the read image acquired by the acquiring unit;
a determining unit configured to determine a type of the one or more candidate regions corresponding to the one or more originals specified by the specifying unit, by analyzing the one or more candidate regions in the read image; and
an outputting unit configured to select a cropping method to be executed on the read image and to output one or more images cropped by the selected cropping method, wherein the outputting unit (1) selects the first cropping method responsive to a determination by the determining unit that the one or more candidate regions include a characters region and a picture region, and outputs an image including the characters region and the picture region cropped from the read image by the first cropping unit, and (2) selects the second cropping method responsive to a determination by the determining unit that all of the one or more candidate regions are picture regions, and outputs individually a plurality of images corresponding to the picture regions cropped from the read image by the second cropping unit.
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Abstract
An image reading apparatus in which when one or a plurality of original sheets are put on an original plate and are read, a desired image can be automatically cropped without previously setting a cropping method by a user is provided. A control method of such an image reading apparatus is also provided. The image on the original plate is read. The type of original sheet is discriminated on the basis of color characteristics information of the read image on the original plate. One of plural read image cropping methods is selected in accordance with the discriminated original sheet type. The read image on the original plate is cropped by the selected cropping method.
28 Citations
11 Claims
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1. An image processing apparatus comprising:
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an acquiring unit configured to acquire a read image obtained by reading of one or more originals which are arranged together on an original plate of a reading apparatus and are read; a first cropping unit configured to execute a first cropping method for cropping one image area from the read image acquired by the acquiring unit; a second cropping unit configured to execute a second cropping method for cropping individually a plurality of image areas from the read image acquired by the acquiring unit; a specifying unit configured to specify one or more candidate regions corresponding to the one or more originals in the read image acquired by the acquiring unit; a determining unit configured to determine a type of the one or more candidate regions corresponding to the one or more originals specified by the specifying unit, by analyzing the one or more candidate regions in the read image; and an outputting unit configured to select a cropping method to be executed on the read image and to output one or more images cropped by the selected cropping method, wherein the outputting unit (1) selects the first cropping method responsive to a determination by the determining unit that the one or more candidate regions include a characters region and a picture region, and outputs an image including the characters region and the picture region cropped from the read image by the first cropping unit, and (2) selects the second cropping method responsive to a determination by the determining unit that all of the one or more candidate regions are picture regions, and outputs individually a plurality of images corresponding to the picture regions cropped from the read image by the second cropping unit. - View Dependent Claims (2, 3, 4, 5)
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6. An image processing method, comprising:
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acquiring a read image obtained by reading of one or more originals which are arranged together on an original plate of a reading apparatus and are read; specifying one or more candidate regions corresponding to the one or more originals in the read image; determining a type of the one or more candidate regions corresponding to the one or more originals specified by the specifying step, by analyzing the one or more candidate regions in the read image; responsive to a determination that the one or more candidate regions include a characters region and a picture region, selecting a first cropping method for cropping one image area from the read image, and outputting an image including the characters region and the picture region cropped from the read image by the first cropping method; and responsive to a determination that all of the one or more candidate regions are picture regions, selecting a second cropping method for cropping individually a plurality of image areas from the read image, and outputting individually a plurality of images corresponding to the picture regions cropped from the read image by the second cropping method. - View Dependent Claims (7, 8, 9, 10, 11)
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Specification