Image processing system
AssigneeCanon Kabushiki Kaisha
InventorShunichi Abe
Life of this patent
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Abstract
An image processing system comprises a first input unit for inputting an image signal, a second input unit for inputting a character or code signal, a binarizing unit for binarizing the image signal, including a unit for gray level processing the image signal, a discrimination unit for discriminating the presence or absence of a gray level in the image signal, and an output unit for outputting the image signal when the discrimination unit discriminates the absence of the gray level or the character or code signal as a digital image signal without processing the signal by the gray level processing unit.
Claims11
An image processing method comprising the steps of:
- reading an object image by scanning once and converting an object image into an image signal having a plurality of color components;
- processing the image signal from said reading step and sequentially outputting a plurality of recording color component signals corresponding to a plurality of developers that each correspond to a different one of a plurality of color components that differ from each other;
- discriminating whether the object image has a predetermined color component from the image signal from said reading step;
- and
- sequentially forming an image for each of the plurality of developers, based on the recording color component signals from said processing and outputting step, while skipping an image formation by the developer corresponding to the predetermined color component according to a discrimination of the discriminating step,
- wherein a reading scan for the discrimination by said discriminating step is executed before a reading scan for the image formation by said sequential forming step.
A copy apparatus comprising:
- reading means for reading an object image by scanning once and converting the object image into an image signal having a plurality of color components;
- processing means for sequentially outputting a plurality of recording color component signals, corresponding to a plurality of developers that each correspond to a different one of a plurality of color components that differ from each other, from the image signal from said reading means;
- forming means for sequentially forming an image for each of the plurality of developers based on the recording color component signals from said processing means;
- discriminating means for discriminating whether the object image has a predetermined color component from the image signal from said reading means;
- and
- control means for controlling said forming means so as to skip an image formation by the developer corresponding to the predetermined color component, according to a discrimination by said discriminating means,
- wherein said reading means executes a reading scan for the discrimination by said discriminating means before a reading scan for the image formation by said forming means.
Dependencies are inferred from the claim text.