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Color interpolation method and image processing apparatus using the same

An interpolation and color technology, applied in the direction of picture signal generators, etc., can solve the problems of unstable color quality of image data, highlighting noise pictures, blurring, etc.

Inactive Publication Date: 2010-11-03
MAGIC PIXEL
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Problems solved by technology

The traditional color interpolation method is based on the same predetermined algorithm, which may lead to highlighted noise or blurred pictures, making the color quality of image data unstable

Method used

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  • Color interpolation method and image processing apparatus using the same
  • Color interpolation method and image processing apparatus using the same
  • Color interpolation method and image processing apparatus using the same

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Embodiment Construction

[0016] Please also refer to Figure 1~3 , figure 1 A block diagram of main functional blocks of the image processing device 1000 according to a preferred embodiment of the present invention is shown. figure 2 A schematic diagram showing some pixels of the image data E1 with a Bayer pattern. image 3 A main flowchart of a color interpolation method according to a preferred embodiment of the present invention is shown.

[0017] Such as figure 1 As shown, the image processing device 1000 includes at least an image pickup unit 100 and a color interpolation unit (Color Interpolation Unit) 300 . A scene E0 is picked up by the image pickup unit 100 as an image data (Image Data) E1. by figure 2 For example, a target pixel R0 , several first adjacent pixels B1 , G1 , and several second adjacent pixels R2 , G2 are defined from the image data E1 . The first adjacent pixels B1, G1 surround the target pixel R0 to form a 3*3 matrix, and the second adjacent pixels R2, G2 further surr...

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Abstract

The present invention relates to a color interpolation method and an image-processing device applying the method. The color interpolation method is used to interpolate the colors of an image datum. A target pixel, a plurality of first neighboring pixels and a plurality of second neighboring pixels are defined in the image datum. The first neighboring pixels surrounds the target pixel to form a 3 multiplied by 3 matrix, the second neighboring pixels surrounds the first neighboring pixels to form a 5 multiplied by 5 matrix. The image datum corresponds to environmental brightness information. The color interpolation method at least includes three steps; firstly, the method judges if the environmental brightness information falls in a dark range; secondly, if yes, then the color of the targetpixel is interpolated according to the first neighboring pixels; thirdly, if not, then the color of the target pixel is interpolated according to the first and the second neighboring pixels.

Description

technical field [0001] The present invention relates to a color interpolation method and an image processing device using the same, and in particular to a color interpolation method using different algorithms according to ambient brightness or user needs and an image processing device using the same. Background technique [0002] With the evolution of image data processing technology, users can perform various image data processing after picking up image data through an image pickup device, so that the image data presents a more superior quality performance. Wherein, the image data is composed of several pixels, and these pixels are arranged in a matrix. In a general image pickup device, each pixel is picked up by a single light sensing element. Each light sensing element is only used to pick up information of one primary color component, such as red, green or blue. Therefore, each pixel can only obtain one original color value, and the remaining original color values ​​mu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/04
Inventor 蔡祈浩陈如薇许永昌
Owner MAGIC PIXEL
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