Digital data constracting and enlarging processor and processing method thereof

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...

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

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