Image processing device
AssigneeRicoh Company, Ltd.
InventorYasuhiro OKADA
Life of this patent
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Abstract
An image processing device includes a parameter processing circuit and an image correction circuit. The image processing device rearrange a plurality of parameters in order of a plurality of reference image data items written to an image memory. The image correction circuit includes a parameter memory, a pixel calculation circuit, an acquisition circuit, a comparison circuit, and a logic circuit. The image correction circuit reads one of one of the plurality of reference image data items from the image memory storing input image data and perform image correction on the one of the plurality of reference image data items to generate an output image corresponding to one of a plurality of output image areas.
Claims7
An image processing device, comprising:
- a parameter processing circuit to rearrange a plurality of parameters in order of a plurality of reference image data items written to an image memory, each of the plurality of parameters having a corresponding one of the plurality of reference image data items;
- and
- an image correction circuit to read one of the plurality of reference image data items from the image memory, the image memory storing the input image data which is to be reference image data corresponding to the plurality of reference image data items, and perform image correction on the one of the plurality of reference image data items to generate an output image corresponding to one of a plurality of output image areas,
- the image correction circuit comprising:
- a parameter memory configured to store each of the plurality of parameters used to read the corresponding one of the plurality of reference image data items from the image memory;
- a pixel calculation circuit configured to calculate a required number of pixels in a sub-scanning direction required to perform the image correction on the one of the plurality of reference image data items to generate the output image corresponding to the one of the plurality of output image areas based on the corresponding one of the plurality parameters obtained from the parameter processing circuit;
- an acquisition circuit configured to acquire the number of written pixels in the sub-scanning direction already written to the image memory in a middle of writing the input image data;
- a first comparison circuit configured to compare the required number of pixels in the sub-scanning direction and the number of written pixels in the sub-scanning direction;
- and
- a logic circuit configured to determine whether the one of the plurality reference image data items corresponding to the one of the plurality of parameters is to be acquired from the image memory based on a result of a comparison performed by the first comparison circuit.
Dependencies are inferred from the claim text.