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Method and device for acquiring RGB data

A data and channel technology, applied in the field of image processing, can solve problems affecting the visual quality of images

Active Publication Date: 2015-12-16
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In the existing methods for obtaining RGB data, false colors and moiré patterns appear due to inappropriate neighborhood interpolation averaging, which will seriously affect the visual quality of the image

Method used

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  • Method and device for acquiring RGB data
  • Method and device for acquiring RGB data
  • Method and device for acquiring RGB data

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Embodiment Construction

[0097] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings, which cannot be used to limit the protection scope of the present invention. It should be noted that, in the case of no conflict, the embodiments in the present application and various manners in the embodiments can be combined with each other.

[0098] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0099] A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description, use of suffixes such as 'module', 'part' or 'unit' for denoting elements is only for facilitating description of the present invention and has no specific meaning by itself. Therefore, "module" and "component" may be used m...

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Abstract

The invention discloses a method and device for acquiring RGB data, including acquiring a first horizontal interpolation result and a first vertical interpolation result of a pixel corresponding to the R channel / B channel in an image; acquiring the horizontal gradient and the vertical gradient of the pixel corresponding to the R channel / B channel in the image; determining that the absolute value of the difference of the horizontal gradient and the vertical gradient is greater than 0 and less than a first preset threshold, and reconstructing the pixel value of the G channel of the pixel corresponding to the R channel / B channel in the image based on the weight average of the first horizontal interpolation result and the first vertical interpolation result; reconstructing the pixel values of the R channel and the B channel of the pixel corresponding to the G channel in the image; and reconstructing the pixel value of the B channel of the pixel corresponding to the R channel in the image and the pixel value of the R channel of the pixel corresponding to the B channel in the image based on the reconstructed pixel value of the G channel of the pixel corresponding to the R channel and the B channel in the image. The method and device for acquiring RGB data reduce pseudo colour and moire and improve the visual quality of images.

Description

technical field [0001] The invention relates to image processing technology, in particular to a method and device for acquiring red, green and blue (RGB, RedGreenBlue) data. Background technique [0002] Most existing image sensors such as Complementary Metal Oxide Semiconductor (CMOS, Complementary Metal Oxide Semiconductor), in the process of acquiring images, each pixel has only one of the three channels of RGB data, therefore, it is necessary to demosaic the image, that is, use interpolation The method to get the missing data, so as to get the complete RGB data. [0003] Existing methods for obtaining RGB data roughly include: [0004] First, the pixel value of the G channel of the pixel corresponding to the R channel and the B channel in the reconstructed image; specifically, the pixel value of the G channel of the pixel corresponding to the R channel in the reconstructed image is used for illustration, and the pixel value of the pixel corresponding to the B channel in...

Claims

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Application Information

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IPC IPC(8): G06T3/40H04N9/64
CPCG06T3/4015H04N9/646H04N23/10
Inventor 朱德志
Owner NUBIA TECHNOLOGY CO LTD
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