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Image processing device and method

An image processing and image technology, applied in color signal processing circuits, image communication, television, etc., can solve problems such as hardware load, reduce system performance, and increase computational complexity, so as to reduce system load, improve system performance, and save costs Effect

Active Publication Date: 2010-09-15
ASUSTEK COMPUTER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, using multiple images for computing processing, in addition to increasing the computing complexity, also causes a heavy load on the hardware, which may reduce the performance of the system

Method used

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  • Image processing device and method
  • Image processing device and method

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Embodiment Construction

[0021] An image processing device and an image processing method according to preferred embodiments of the present invention will be described below with reference to related drawings.

[0022] Please refer to figure 1 As shown, an image processing device 1 according to a preferred embodiment of the present invention is configured in a computer, wherein the computer includes a host computer and a display system.

[0023] The image processing device 1 includes an extraction module 11, a first noise filtering and conversion module 12, a first color space conversion module 13, a temporary storage module 14, a second noise filtering and conversion module 15, a linear The processing module 16 , an error calculation module 17 and a second color space conversion module 18 .

[0024] The capture module 11 is, for example, a network camera, which captures a first image I 1 and put the first image I 1 Send to a central processing unit (central processing unit, CPU) or a graphics proc...

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Abstract

The invention relates to an image processing method comprising the following steps of: obtaining a first luminance signal by carrying out noise filtering and transformation on a first image; obtaining a second image by carrying out color space transformation on the first image according to the first luminance signal; obtaining a second first luminance signal by carrying out noise filtering and transformation on the second image; obtaining a third image by carrying out linear operation on the second image according to the first luminance signal and the second luminance signal; carrying out error operation on the third image and the second image and outputting the third image; carrying out color space transformation according to the third image and the first luminance signal to obtain a fourth image and outputting the fourth image. The invention filters noise in images by carrying out linear operation and error operation on a single image, thereby reducing load of a system.

Description

technical field [0001] The present invention relates to an image processing device and an image processing method, in particular to an image processing device and an image processing method capable of filtering out image noise. Background technique [0002] With the vigorous development of display systems with multimedia display interfaces, image transmission technology and image playback technology have also made great progress. In terms of image transmission technology, real-time image is a popular display mode nowadays, which generally uses a web camera to play the captured image on a display system in real time. [0003] However, when the network camera or the display system (such as a liquid crystal display) is used outdoors, or when the backlight is insufficient, or the light source is insufficient, the image will often be seriously affected by noise, which will seriously distort the image displayed by the display system, resulting in poor video quality. bad. [0004...

Claims

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Application Information

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IPC IPC(8): H04N9/64H04N5/21
Inventor 蔡奇谥
Owner ASUSTEK COMPUTER INC
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