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Image processing device and method

An image processing and image technology, applied in the direction of color signal processing circuit, image communication, television, etc., can solve the problems of reducing system performance, increasing computational complexity, hardware load, etc., to improve system performance, reduce system load, and save costs. Effect

Active Publication Date: 2013-02-06
ASUSTEK COMPUTER INC
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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

[0020] 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.

[0021] 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. The image processing device 1 includes an extraction module 11, a noise filtering and conversion module 12, a temporary storage module 13, a first color space conversion module 14, a linear processing module 15, a second color space conversion module 16 and An error calculation module 17 .

[0022] The capture module 11 is, for example, a network camera, which captures a first image I 1 and put the first image I 1 It is sent to a central processing unit (central processing unit, CPU) or a graphics processing unit (graphics processing unit, GPU) for subsequent proces...

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Abstract

The invention relates to an image processing method comprising the following steps of: obtaining a luminance signal by carrying out noise filtering and transformation on a first image; temporarily storing and outputting the first image; obtaining a second image by carrying out color space transformation on the first image according to the luminance signal; obtaining a third image by carrying out linear operation on the second image; carrying out color space transformation according to the third image and the luminance signal to obtain a fourth image and outputting the fourth image; carrying out error operation on the first image and the 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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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/64H04N5/21
Inventor 蔡奇谥
Owner ASUSTEK COMPUTER INC
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