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Image processing method and device, electronic equipment and storage medium

An image processing and image technology, applied in the field of image processing, can solve problems such as blurring, color overflow, difficult noise reduction processing, etc., and achieve the effect of solving color overflow

Pending Publication Date: 2022-07-08
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the color noise in the image, it is still difficult to effectively reduce the noise, especially at the edge of the color with a large color span, color overflow or blurring often occurs

Method used

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  • Image processing method and device, electronic equipment and storage medium
  • Image processing method and device, electronic equipment and storage medium
  • Image processing method and device, electronic equipment and storage medium

Examples

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Embodiment Construction

[0031] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure, as recited in the appended claims.

[0032] The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term ...

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Abstract

The invention relates to an image processing method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a to-be-processed image in a brightness-chrominance spatial domain, and performing down-sampling operation on the to-be-processed image to obtain a low-frequency image of the to-be-processed image; according to the brightness difference degree between each first pixel in the to-be-processed image and a respective first neighborhood pixel, the chroma weight of each first pixel is determined, and in each first pixel, the chroma weight of each first pixel is in positive correlation with the corresponding brightness difference degree; and performing up-sampling operation on the low-frequency image based on the chrominance weight corresponding to each first pixel, and synthesizing an image obtained through the up-sampling operation with the to-be-processed image to obtain a processed image. By means of the method, the chromatic value of the image can be adjusted in the image processing process, and the situation that the color of the color edge overflows in the image obtained through processing is avoided.

Description

technical field [0001] The present disclosure relates to the field of image processing, and in particular, to an image processing method and device, an electronic device, and a storage medium. Background technique [0002] In the process of collecting, transmitting, and processing images, electronic devices are inevitably disturbed by various factors, resulting in the acquired images accompanied by noise signals. The noise signal accompanying the image mainly includes two kinds of noise signal, namely luminance noise and color noise (also known as: chrominance noise). [0003] In the related art, a relatively mature noise reduction technology has been developed for the processing of luminance noise. However, for the color noise in the image, it is still difficult to perform effective noise reduction processing, especially at the color edge with a large color span, color overflow or blurring often occurs. SUMMARY OF THE INVENTION [0004] In view of this, the present disc...

Claims

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Application Information

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IPC IPC(8): G06T5/00G06T7/13G06T7/90
CPCG06T7/90G06T7/13G06T5/70
Inventor 周群
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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