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Applying edge enhancement based on image characteristics

An edge enhancement and characteristic technology, applied in image communication, electrical components, etc., can solve problems such as image quality degradation

Inactive Publication Date: 2006-08-16
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In another example, if the image includes an edge portion with high edge intensity, the image quality will degrade as the grayscale or noise in the edge portion increases

Method used

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  • Applying edge enhancement based on image characteristics
  • Applying edge enhancement based on image characteristics
  • Applying edge enhancement based on image characteristics

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Embodiment Construction

[0037] In describing the exemplary embodiments illustrated in the drawings, specific terminology will be used for the sake of clarity. However, the disclosure of this patent specification is not to be limited to the specific terms chosen and it is to be understood that each specific element includes all technical equivalents which operate in a similar manner. Referring now to the drawings, in which like reference numerals indicate like or corresponding parts throughout the views, FIG. 1 shows an image processing apparatus 10 according to an exemplary embodiment of the present invention. The image processing apparatus 10 is capable of applying edge enhancement to an image based on the characteristics of the image.

[0038] As shown in FIG. 1 , the image processing device 10 includes a raw image input device 11 , an edge detector 12 and an image intensifier 13 .

[0039] The original image input means 11 inputs an original image to be processed. For example, the original image...

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Abstract

An apparatus, method, system, computer program and product, capable of applying edge enhancement to an image based on characteristics of the image, obtained by converting the original image from a spatial domain to a frequency domain.

Description

technical field [0001] The following disclosure generally relates to an apparatus, method, system, computer program and product capable of applying edge enhancement to an image based on characteristics of the image. Background technique [0002] Applying edge enhancement to an image can improve image quality, for example by improving the apparent sharpness of the image. However, edge enhancement can sometimes cause image quality degradation. For example, if an image includes a smooth portion, such as a figure, background area, or shaded area, the image quality will degrade as the smoothness of the smooth portion decreases. In another example, if the image includes an edge portion with high edge intensity, the image quality will degrade as grayscale or noise in the edge portion increases. Contents of the invention [0003] In view of the above and other problems, exemplary embodiments of the present invention provide an apparatus, method, system, computer program and prod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/409H04N1/58
Inventor 长谷川史裕内山幸央
Owner RICOH KK