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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 complex processing flow and restrict algorithm efficiency, and achieve the effect of improving efficiency

Active Publication Date: 2020-04-10
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0003] In related technologies, local adaptive threshold binarization is based on single-point processing, and the processing flow is a little complicated. In addition, with the rapid development of computer hardware resources and related chips, relying on single-point processing will greatly restrict the efficiency of the algorithm.

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

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Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0052] The embodiment of the present application discloses an image processing method, which improves the efficiency of local adaptive threshold binarization.

[0053] see figure 1, a flowchart of an image processing method shown according to an exemplary embodiment, such as figure 1 shown, including:

[0054] S101: Acquire an image to be processed, and calculate a mean matrix and a variance matrix corresponding to the image to be processed according to the size of the image to be process...

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Abstract

The invention discloses an image processing method and device, electronic equipment and a computer readable storage medium. The method comprises the steps: obtaining a to-be-processed image, and calculating a mean value matrix and a variance matrix corresponding to the to-be-processed image according to the size of the to-be-processed image and the size of a sliding window; calculating a binarization threshold corresponding to each pixel point in the to-be-processed image based on the mean value matrix and the variance matrix; and processing each pixel point by using the binarization thresholdto obtain a processed binarized image. According to the image processing method provided by the invention, the matrix related operation is introduced, the original operation of calculating the mean value and the variance of the single point based on the whole image is improved into the operation based on the whole image, and the efficiency of local adaptive threshold binaryzation is improved.

Description

technical field [0001] The present application relates to the technical field of image processing, and more specifically, to an image processing method and device, an electronic device, and a computer-readable storage medium. Background technique [0002] Image binarization is widely used in image processing. After the original image is grayscaled and binarized, a large amount of useless information in the original image can be filtered and useful information can be retained. Image binarization is divided into global threshold binarization and local adaptive threshold binarization. Global threshold binarization refers to calculating one or more thresholds based on the relevant information of the entire image, and then using the thresholds to segment the entire image into two categories, for example, if it is greater than the threshold, it is the foreground, and if it is less than the threshold, it is the background. Local adaptive threshold binarization is to calculate the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/136G06T7/194
CPCG06T7/136G06T7/194
Inventor 金良范宝余张润泽郭振华赵雅倩
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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