Image processing system which adds information to formed images
First Claim
Patent Images
1. An image processing apparatus comprising:
- supplying means for supplying image data;
forming means for forming an image on a medium based on the image data; and
adding means for adding predetermined information to the image formed on the medium,wherein the predetermined information is represented by using a plurality of identically-sized units, each unit composed of plural dots, and each of the units includes a first predetermined number of dots having a maximum density and a second predetermined number of dots having a minimum density.
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Abstract
An image processing apparatus supplies image data, forms an image on a medium based on the image data, and adds predetermined information to the image formed on the medium. The predetermined information is added in the apparatus by using a combination of substantially representable maximum and minimum densities.
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Citations
15 Claims
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1. An image processing apparatus comprising:
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supplying means for supplying image data; forming means for forming an image on a medium based on the image data; and adding means for adding predetermined information to the image formed on the medium, wherein the predetermined information is represented by using a plurality of identically-sized units, each unit composed of plural dots, and each of the units includes a first predetermined number of dots having a maximum density and a second predetermined number of dots having a minimum density. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An image processing apparatus comprising:
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input means for inputting M-valued image data; adding means for adding predetermined information to the M-valued image data; and output means for outputting the M-valued image data to which the predetermined information had been added by said adding means; wherein the predetermined information comprises a combination of N fixed density values (M>
N), and said adding means converts a part of an image represented by the M-valued image data into a fixed density value. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. An image processing method comprising the steps of:
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supplying image data; forming an image on a medium based on the image data; and adding predetermined information to the image formed on the medium, wherein the predetermined information is represented by using a plurality of identically-sized units, each unit composed of plural dots, and each of the units includes a first predetermined number of dots having a maximum density and a second predetermined number of dots having a minimum density.
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15. An image processing method comprising:
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an input step of inputting M-valued image data; an adding step of adding predetermined information to the M-valued image data; and an output step of outputting the M-valued image data to which the predetermined information has been added in said adding step; wherein the predetermined information comprises a combination of N fixed density values (M>
N), and a part of an image represented by the M-valued image data is converted into a fixed density value in said adding step.
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Specification