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Interpolation processing method during image processing

A technology of interpolation processing and image processing, applied in the field of image processing, can solve problems such as increased influence, blurred outline, and reduced image quality, and achieve clear, reduced color distortion, and high-quality effects

Inactive Publication Date: 2008-01-30
BEIJING SUPERPIX MICRO TECHNOLOGY CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0007] Although the above-mentioned interpolation algorithms can remove some interference components to a certain extent, at the same time, it will inevitably bring blurred contours.
This will inevitably greatly increase the impact of noise on the image, thereby reducing the quality of the image

Method used

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Embodiment Construction

[0026] The present invention proposes a method for solving the impact of noise on images and contour recognition, and specifically provides an interpolation algorithm that realizes contour recognition and smoothing at the same time. In the interpolation algorithm provided by the present invention: first, use the The color component with the largest amount of effective information is used to identify the contour, and then calculate and determine the mean values ​​of the three components in the pixel according to the contour recognition result.

[0027] Specifically speaking, among the present invention, occupy 50% green in the filter array of Bayer color filter (Bayer filter) to carry out the recognition of outline, certainly, if the effective information amount of other colors is more, then can adopt Other colors are used for contour recognition.

[0028] In a nutshell, in the contour recognition process: first, estimate the G components of the upper and lower rows through eac...

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Abstract

An interpolation processing method in image processing course includes carrying out contour identification by utilizing color component with maximum effective information in pixel then calculating and confirming each mean value of three components in pixel according contour identification result.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an interpolation processing method for realizing contour recognition and smoothing in image processing. Background technique [0002] In the image processing process, in order to obtain high-quality images, an ideal method is to use three CCDs (charge-coupled devices) to receive red, green, and blue parameter information respectively. However, due to the high cost and volume of CCD devices larger. Therefore, in consideration of the size and cost of the image processing device, the solution of three CCDs is usually not implemented. Instead, a CMOS (complementary metal oxide semiconductor) color sensor is used to collect a color component on each pixel, and the other two components are obtained by interpolation of the collected component and the components around the component. There are many interpolation algorithms that can be used at present, and the widely used ones ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/217
Inventor 马建斌旷章曲
Owner BEIJING SUPERPIX MICRO TECHNOLOGY CO LTD