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Image processing device and image processing method

An image processing and image technology, applied to static indicators, instruments, etc., can solve problems such as poor output image quality

Inactive Publication Date: 2013-09-18
MSTAR SOFTWARE R&D (SHENZHEN) LTD +1
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of poor final output picture quality due to memory saving in the aforementioned overdrive technology

Method used

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

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Embodiment Construction

[0027] In order to eliminate discontinuous gradients caused by data truncation, the following embodiments provide an image processing device and an image processing method. The image processing device of the present invention includes a memory, a processing unit and an overdrive processing unit. The memory is used to store a previous image, and the data of the previous image has been truncated before being stored in the memory. The processing unit performs edge detection on the previous image, and performs image smoothing processing on the previous image according to the edge detection result. Then, the overdrive processing unit performs overdrive processing according to the processed previous image and the current image to generate an output image.

[0028] The image processing method of the present invention includes the following steps: storing a previous image in a memory, the data of the previous image has been truncated before being stored in the memory; performing edge...

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Abstract

The invention provides an image processing device, which comprises a memory, a processing unit and an overdrive processing unit, wherein the memory is used for storing a previous image of which the data is intercepted; the processing unit is used for performing edge detection on the previous image and performing image smoothing processing on the previous image according to the edge detection result to repair the previous image; the overdrive processing unit is used for performing overdrive processing according to the repaired previous image and a current image to generate an output image.

Description

technical field [0001] The present invention relates to an image processing, and in particular relates to an image processing device and an image processing method applied to liquid crystal overdrive technology. Background technique [0002] Nowadays, liquid crystal displays mostly adopt over driving (OD) technology to increase the reaction speed of liquid crystal molecules. The overdrive technique refers to performing overdrive processing according to the previous frame and the current frame, and then obtains the corresponding overdrive voltage to drive the liquid crystal molecules. Therefore, when using the overdrive technique, the data of the previous frame must be temporarily stored in a memory. [0003] However, in order to save memory usage, the data of the previous image will be truncated before being stored in the memory. For example, suppose that each pixel in the previous image originally had 8-bit data, but only the previous The data of the 4 most significant bit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
Inventor 梁仁宽刘文智
Owner MSTAR SOFTWARE R&D (SHENZHEN) LTD