Image-processing apparatus, image-processing method and recording medium
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Abstract
In an image-processing apparatus, a digital image signal is stored in a memory, and a memory access control part entirely manages all accesses to the memory with respect to the digital image signal. An image processing part converts the digital image signal stored in the memory into an output image signal to be supplied to an imaging unit outputting a visible image based on the output image signal so that a pixel density of the output image signal is higher than a pixel density of the digital image signal read from the memory and an amount of the output image signal is less than an amount of the digital image signal stored in the memory. Accordingly, the central controlled memory is shared by a plurality of functions so as to effectively use the memory, and a high-quality image can be produced by carrying out a density conversion so as to match the pixel density.
26 Citations
26 Claims
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1-17. -17. (canceled)
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18. An image-processing apparatus comprising:
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a memory storing a digital image signal; and
an image processing part converting the digital image signal stored in said memory into an output image signal so that a pixel density of the output image signal is higher than a pixel density of the digital image signal read from said memory. - View Dependent Claims (19, 20, 21, 22, 23)
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24. An image-processing method comprising the steps of:
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storing a digital image signal in a memory;
reading the digital image signal from said memory;
converting the read image data into an output image data having a pixel density higher than a pixel density of the read image data; and
outputting the output image data to an imaging unit forming a visible image based on the output image data.
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25. A program for causing an image-processing apparatus to perform an image-processing method, the image-processing method comprising:
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storing a digital image signal in a memory;
reading the digital image signal from said memory;
converting the read image data into an output image data having a pixel density higher than a pixel density of the read image data; and
outputting the output image data to an imaging unit forming a visible image based on the output image data.
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26. A processor readable medium storing a program for causing an image-processing apparatus to perform an image-processing method, the image-processing method comprising:
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storing a digital image signal in a memory;
reading the digital image signal from said memory;
converting the read image data into an output image data having a pixel density higher than a pixel density of the read image data; and
outputting the output image data to an imaging unit forming a visible image based on the output image data.
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Specification