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Image processing method and system

An image processing and image data technology, applied in image communication, electrical components, etc., can solve problems such as insufficient contrast, failure, barrel distortion, etc.

Inactive Publication Date: 2009-07-29
ALTEK CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, due to some reasons (such as improper use, design flaws, etc.), the image obtained by the image capture device may appear such as insufficient brightness, insufficient contrast, color imbalance, barrel distortion, keystone distortion, parallelogram distortion, pin mat distortion When this phenomenon occurs, the device is generally regarded as a failure and loses its practicability

Method used

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  • Image processing method and system
  • Image processing method and system
  • Image processing method and system

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Embodiment Construction

[0019] In order to further understand the above objects, functions, features and advantages of the present invention, preferred embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0020] figure 1 An image processing system 1 according to a preferred embodiment is shown. The image processing system 1 includes: a first memory 10, used to store first image data 19, the first image data 19 has a plurality of pixels; a second memory 12, used to store at least one pair of mapping tables, the mapping table records The mapped position of at least part of the pixels; the direct memory access control unit 14, used to access the first memory 10 and the second memory 12; the first processing unit 16, through the direct memory access control unit 14 Accessing the first image data 19 and the mapping table to generate second image data; and a third memory 18 for storing the second image data.

[0021] Specifically, the first...

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Abstract

An image processing system includes a first memory for storing the first image data provided with a plurality of pixels; a second memory for storing at least one mapping table, which records the position of at least part of the pixels after mapping; a direct memory access control unit for accessing the first memory and the second memory; a first processing unit, for accessing the first memory and the mapping table through the direct memory access control unit, to produce second image data; and a third memory for storing the second image data.

Description

technical field [0001] The present invention relates to an image processing system and its method, in particular, to an image processing system and its method which use the hardware design of the mapping table to increase the speed of image processing. Background technique [0002] Image processing techniques include, but are not limited to, geometric deformation, rotation, mirroring, scaling, resolution change, and the like. Existing technologies that use software to implement image processing generally have the disadvantage of being too slow, especially for electronic devices such as mobile phones, digital cameras, GPS and other platforms that require real-time processing. If the speed of image processing can be increased, the electronic device will be more practical. In addition, due to some reasons (such as improper use, design flaws, etc.), the image obtained by the image capture device may appear such as insufficient brightness, insufficient contrast, color imbalance,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/21H04N1/40H04N1/46
Inventor 林伯荣陈水淋
Owner ALTEK CORP