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Image processing method and image processing device

An image processing and pixel technology, applied in image communication, electrical components, etc.

Inactive Publication Date: 2011-05-04
MSTAR SOFTWARE R&D (SHENZHEN) LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, one of the objects of the present invention is to provide an image processing method and an image processing device, so that the image edge blurring phenomenon can be effectively improved, and the problem of image distortion will not occur.

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  • Image processing method and image processing device

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Embodiment Construction

[0021] Please refer to image 3 , image 3 Is a schematic diagram of an image processing apparatus 300 according to an embodiment of the present invention, such as image 3 As shown, the image processing device 300 includes a low-pass filter processing unit 310 and an image adjustment unit 320. The image adjustment unit 320 includes a saturation difference calculation unit 321, a target pixel determination unit 322, and a saturation adjustment unit 323. The image processing device 300 can be applied to electronic products such as televisions, personal computers, digital cameras, etc., which have screens to display image frames, and can be implemented by software or hardware.

[0022] Please also refer to image 3 as well as Figure 4 , Figure 4 For the image adjustment unit 320 in the image processing device 300 according to an embodiment of the present invention, the initial image frame data F in The flow chart of image processing, where the initial image frame data F in ’Is an...

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Abstract

The invention discloses an image processing method and an image processing device. The image processing method comprises the following steps of: receiving a picture data, wherein the picture data comprises a first pixel, a second pixel and a third pixel, and the second pixel is positioned between the first and third pixels; calculating the difference between two initial chrominance values of the first pixel and two initial chrominance values of the second pixel to determine a first difference value, and calculating the difference between the two initial chrominance values of the second pixel and two initial chrominance values of the third pixel to determine a second difference value; comparing the first difference value with the second difference value to select one of the first pixel and the third pixel as a target pixel; and determining two adjusted chrominance values of the second pixel at least according to the two initial chrominance values of the target pixel.

Description

Technical field [0001] The present invention relates to an image processing device, in particular to an image processing device and an image processing method that can improve the edge blur phenomenon of an image. Background technique [0002] In general image display systems, such as TVs, digital cameras, personal computers, etc., before the image data is displayed on the screen, it is considered that the image data may have noise interference or image shrinkage (such as high-resolution images). When converted to a low-resolution image), the image data is usually subjected to low-pass filtering to improve the quality of the image data. Generally speaking, the so-called low-pass filtering operation is Refers to the weighted operation of the brightness / chroma value of each pixel and the brightness / chroma value of its neighboring pixel values ​​to generate the filtered brightness / chroma value of the pixel, and the image data after low-pass filtering, The edges of the image will be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/58H04N1/60
Inventor 陈美如吴振禧李维国
Owner MSTAR SOFTWARE R&D (SHENZHEN) LTD