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Image processing apparatus and image processing method

An image processing device and image processing technology, applied in image communication, cathode ray tube indicator, television, etc.

Active Publication Date: 2012-12-19
XUESHAN TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, conventional designs cannot properly use the available bandwidth to obtain optimized image output quality

Method used

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  • Image processing apparatus and image processing method
  • Image processing apparatus and image processing method
  • Image processing apparatus and image processing method

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Embodiment Construction

[0016] Certain terms are used in the description and claims to refer to particular elements. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. The "comprising" mentioned in the description and the claims is an open term, therefore, it should be interpreted as "including but not limited to". Furthermore, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0017] The concept of the present invention is to obt...

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Abstract

An image processing apparatus includes a storage device, an image detection circuit, a compression circuit, a decompression circuit, and an overdrive processing circuit. The image detection circuit generates a compression mode control signal according to a first frame. The compression circuit compresses an image data of a second frame according to the compression mode control signal, thereby generating a compressed image data of the second frame to the storage device. The first frame precedes the second frame. The decompression circuit decompresses the compressed image data of the second frame read from the storage device according to the compression mode control signal, thereby generating a recovered image data of the second frame. The overdrive processing circuit determines overdrive voltages of a third frame according to an image data of the third frame and the recovered image data of the second frame, where the second frame precedes the third frame.

Description

technical field [0001] Embodiments of the present invention relate to processing image data, and in particular to an image processing device for an overdrive application and related image processing method, which can compress a second frame according to a first frame preceding the second frame image data. Background technique [0002] Data compression is often used to reduce the amount of data stored on a storage device. Taking overdrive technology for liquid crystal display (LCD) panels as an example, it artificially boosts response time by increasing the driving voltage for changing the state of liquid crystal cells. The acceleration voltage of a liquid crystal unit (that is, a pixel) is determined by the pixel value in the current frame and the pixel value in the previous frame. Therefore, the image data of the previous frame must be recorded in the frame buffer for subsequent operations. Generally, the image data of the previous frame will be compressed before being s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/26G09G5/36
CPCG09G2340/02G09G2340/16G09G3/20G06F3/14
Inventor 林威宪陈全贤
Owner XUESHAN TECH INC