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US 4,734,786 AGranted
Image processing apparatus
AssigneeCanon Kabushiki Kaisha
InventorsTakashi Minakawa, Yasuhisa Ishizawa
Life of this patent
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Abstract
An image processing apparatus comprises image data input means and processing means for processing the image data inputted from the input means. The processing means enlarges or reduces the image data by a unit of a predetermined area.
Claims15
An image processing apparatus comprising:
- image data input means;
- and
- processing means for processing image data from said input means;
- said processing means changing the size of predetermined areas of the image data for each of said areas in accordance with an input magnification factor, said predetermined areas having a plurality of image data in conjunction with a half-tone processing operation.
1 more element
An image processing apparatus comprising:
- image data input means;
- and
- processing means for processing image data from said input means, wherein the size of predetermined areas of said image data are changed and wherein said input image data is half-tone processed by a dither matrix, and said processing means changes the size of predetermined areas of said image data for each area associated with said dither matrix.
An image processing apparatus comprising:
- image data input means;
- and
- processing means for processing the image data from said input means while transferring said image data from a first location to a second location;
- said processing means changes the size of said image data in association with a dither matrix when said image data is half-tone processed by said dither matrix.
1 more element
Dependencies are inferred from the claim text.