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Computer as well as image processing circuit and image processing method thereof

An image processing and image technology, applied in the direction of cathode ray tube indicators, digital output to display devices, instruments, etc., can solve the problems of computer system in the reduction of data processing speed and rate.

Active Publication Date: 2009-11-18
ASUSTEK COMPUTER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It may be sufficient to use these lower-level processors for general computer system operations, but if additional calculations and execution of various parameters of the display screen are required, it may exceed the capabilities of these lower-level central processing units. , resulting in a reduction in the speed and speed of the computer system in terms of data processing

Method used

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  • Computer as well as image processing circuit and image processing method thereof
  • Computer as well as image processing circuit and image processing method thereof
  • Computer as well as image processing circuit and image processing method thereof

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Embodiment Construction

[0018] figure 1 Shown is a circuit block diagram of a computer device according to a preferred embodiment of the present invention. Please refer to figure 1 , the computer device 100 provided in this embodiment includes a CPU 102 , a chipset 104 , a graphics card 106 , a display module 108 and a user input module 110 . In this embodiment, the CPU 102 can be coupled to the chipset 104 , and is coupled to the graphics card 106 and the user input module 110 through the chipset 104 . In addition, the graphics card 106 can be coupled to the display module 108 through the data transmission interface 112 . Wherein, the data transmission interface 112 is, for example, a VGA interface.

[0019] In this embodiment, the graphics card 106 has an image processing circuit 200 capable of processing an output video D0. When the computer device 100 wants to display the output video D1 from the display module 108 , the chipset 104 can first send the original output video D0 to the graphics ...

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Abstract

The invention relates to a computer which is provided with a graphic process unit used for participating in operation and execution of various parameters of tableau images, so the data processing amount of a CPU can be effectively reduced. The computer comprises the CPU, a chip set and a display card, wherein the CPU can be coupled with the display card by the chip set, the display card can receive an output video from the chip set, the output video can be provided with a plurality of tableau images, each tableau image can be provided with a plurality of pixels, the display card can respectively calculate the brightness value of each pixel so as to calculate the brightness values of the pixels according to a nonlinear function and obtain a plurality of brightness mapping values, therefore, the display card can adjust the brightness contrast of the tableau images according to the brightness values and the brightness mapping values so as to obtain a new output video.

Description

technical field [0001] The present invention relates to a computer device and its image processing circuit and method, and in particular to an image processing method suitable for a graphics processor and its computer device. Background technique [0002] In traditional computer display technology, a central processing unit (CPU) is the most important execution and calculation unit. That is to say, when the computer system needs to display an image, the central processing unit needs to calculate and process various parameters of the image, and then send it to the screen for display. The parameters of these picture images include brightness contrast, color saturation and so on. Therefore, if the user wants to adjust the parameters of the display screen, or when the computer detects changes in the external environment and automatically adjusts the parameters of the display screen, the central processing unit needs to recalculate the parameters of the display screen according ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/00G09G5/10G09G5/02G06F3/14
Inventor 蔡奇谥
Owner ASUSTEK COMPUTER INC