Digital data constracting and enlarging processor and processing method thereof

A data processing device, a technology for digital data, applied in the direction of digital output to display devices, etc., can solve problems affecting resolution, distortion, distortion, etc.

Active Publication Date: 2005-02-23
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the pixels that make up a digital image are fixed and limited, its resolution will be affected when it is enlarged or rotated, and distortion may also occur
The general method of zooming digital images is realized by uniformly deleting or inserting pixels of the image. However, if the image is enlarged or reduced only by simply inserting the nearest pixels or deleting pixels without further processing, the formed image will be Produces rough edges (jagged edges) or artifacts such as distortion

Method used

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  • Digital data constracting and enlarging processor and processing method thereof
  • Digital data constracting and enlarging processor and processing method thereof
  • Digital data constracting and enlarging processor and processing method thereof

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Embodiment Construction

[0036] An embodiment of the present invention is a data processing device for receiving a ratio signal and a first digital data, and achieving the purpose of reducing and amplifying the first digital data according to the ratio signal.

[0037] see figure 1 and figure 2 , figure 1 It is a schematic diagram of the data processing device of the present invention, figure 2 for figure 1 Look-up table in ratio conversion module 22. The ratio conversion module 22 is used for receiving the ratio signal 26 and generating the comparison table according to the ratio signal 26 . The scaling module 24 is used for receiving the first digital data 28 and is connected with the ratio conversion module 22 for scaling the first digital data 28 with reference to the comparison table and outputting the second digital data 30 .

[0038] figure 1 The information carried by the ratio signal 26 in is The scaling factor, when ratio conversion module 22 receives, just can produce a comparison...

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Abstract

A method for contracting and enlarging digital data includes receiving a ratio signal, generating a league table according to the ratio signal and receiving the first digital data, contracting or enlarging the first digital data based on the league table then outputting the second signal data. A device for realizing the method is also disclosed.

Description

technical field [0001] The invention relates to a data processing device and method, in particular to a processing device and method capable of reducing and enlarging a digital data. Background technique [0002] In recent years, the world has entered the information age, especially the maturity and rapid development of computer technology, making digital technology inseparable from human life, and digital data is easier to process and change than analog data. Taking digital images as an example, limited by the imaging device, the image quality and area size are often unsatisfactory. Therefore, relying on image processing skills, images or image sequences with insufficient resolution are enlarged or images with high resolution are reduced. [0003] And when the image on the computer screen is too large or too small to be conducive to display or processing, it needs to be reduced or enlarged. For a dot matrix image, its image is composed of many pixels, such as a screen ima...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/14
Inventor 邱安德王俊翔曹盛哲
Owner VIA TECH INC
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