Image processing method, image processing apparatus and...

Facsimile and static presentation processing – Static presentation processing – Attribute control

Reexamination Certificate

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Details

C358S002100, C358S003150, C358S003260, C382S252000, C382S270000, C382S275000

Reexamination Certificate

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07142330

ABSTRACT:
An image processing method of quantizing multi-tone image data by an error diffusion method, includes the steps of a) detecting change of the image data; and b) oscillating cyclically in image space a threshold for the quantization in an oscillation range controlled according to the detection result of the step a).

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