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Interpolation method and device of Bayer image and electronic equipment

An interpolation method and interpolation technology, applied in the field of image processing, can solve the problems of inaccurate texture direction and low accuracy of green components.

Pending Publication Date: 2020-06-26
HANGZHOU HAIKANG HUIYING TECH CO LTD
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Problems solved by technology

[0004] However, the texture direction obtained by this method is horizontal or vertical, but the actual texture direction of the image may not be horizontal or vertical, so the texture direction obtained by this method may not be accurate enough, resulting in low accuracy of the green component obtained by interpolation

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  • Interpolation method and device of Bayer image and electronic equipment
  • Interpolation method and device of Bayer image and electronic equipment
  • Interpolation method and device of Bayer image and electronic equipment

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Embodiment Construction

[0103] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0104] see figure 1 , figure 1 Shown is a schematic flow chart of the Bayer image interpolation method provided by the embodiment of the present invention, which may include:

[0105] S101. Calculate the gradient of the pixel value of the Bayer image in the direction of the straight edge and the gradient of the gradient of the hypotenuse at the pixel point to be interpolated.

[0106] The gradient in the straight direction includes a gradient in the horizont...

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Abstract

The embodiment of the invention provides a Bayer image interpolation method, a Bayer image interpolation device and electronic equipment. The method comprises the following steps: calculating the gradient of the pixel value of the Bayer image in the straight edge direction and the gradient of the pixel value of the Bayer image in the inclined edge direction of the pixel point to be interpolated, wherein the straight edge direction gradient comprises a gradient in the horizontal direction and a gradient in the vertical direction, the gradient in the bevel edge direction comprises the gradient in the first bevel edge direction and the gradient in the second bevel edge direction, the first bevel edge direction is the direction of one diagonal line of a square pixel area with the pixel point to be interpolated as the center, and the second bevel edge direction is the direction of the other diagonal line of the square pixel area; determining a texture trend of the Bayer image at the to-be-interpolated pixel point according to the straight edge direction gradient and the inclined edge direction gradient; and interpolating the green component of the pixel point to be interpolated in the texture trend to obtain the green component of the pixel point to be interpolated. The accuracy of the green component can be improved.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a Bayer image interpolation method, device and electronic equipment. Background technique [0002] Bayer (Bayer) images are widely used as a common image format, and Bayer images include red pixels, blue pixels and green pixels. Wherein, the pixel value of the red pixel only includes the red component, the pixel value of the blue pixel only includes the blue component, and the pixel value of the green pixel only includes the green component. Interpolation can be performed according to the direction of the texture in the image to obtain the two missing color components of each pixel (for example, interpolation to obtain the blue and red components of the green pixel), so that each pixel includes the red component, green component and blue component, thus converting the Bayer image to an RGB image. Since the number of green pixels in the Bayer image is twice that of blue...

Claims

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Application Information

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IPC IPC(8): G06T3/40
CPCG06T3/4007
Inventor 刘恩毅
Owner HANGZHOU HAIKANG HUIYING TECH CO LTD
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