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Image binarization processing method, device and equipment and storage medium

An image binarization and processing method technology, applied in the field of image processing, can solve the problems of large amount of calculation and time-consuming single-chip processing, etc., and achieve the effect of reducing the amount of calculation and processing time-consuming

Active Publication Date: 2020-09-04
天津维创微智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the regional sliding window threshold method can well retain the details and key data information in the image, it needs to calculate the average value of all pixels in the window for each pixel centered on the current pixel point, which requires a lot of calculation, especially when When the image is large, the MCU will take more time to process

Method used

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

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Embodiment 1

[0038] Figure 1A The flow chart of an image binarization processing method provided by Embodiment 1 of the present invention, this embodiment is applicable to the situation of image binarization processing, and the method can be implemented by the image binarization processing device in the embodiment of the present invention implementation, the device can be implemented in software and / or hardware, such as Figure 1A As shown, the method specifically includes the following steps:

[0039] S110. Divide the original image into multiple small image blocks according to the width and height of the small image blocks.

[0040] Wherein, the width and height of the small image block may be set values, or values ​​calculated according to the size of the original image, which are not limited in this embodiment of the present invention.

[0041] Specifically, if the size of the original image is 18*18, the width of the image block is 3, and the height is 3, the original image is divi...

Embodiment 2

[0066] figure 2 It is a schematic structural diagram of a binarization processing device provided in Embodiment 2 of the present invention. This embodiment is applicable to the situation of binarization processing, and the device can be realized by software and / or hardware, and the device can be integrated in any device that provides binarization processing function, such as figure 2 As shown, the binarization processing device specifically includes: a division module 210 , an acquisition module 220 , a calculation module 230 and a processing module 240 .

[0067] Wherein, the division module is used to divide the original image into a plurality of small image blocks according to the width and height of the small image blocks;

[0068] An acquisition module, configured to acquire pixel values ​​of the small image block to obtain a pixel value image, wherein the pixel value is an average value of pixels in the small image block;

[0069] Calculation module, for each pixel v...

Embodiment 3

[0079] image 3 It is a schematic structural diagram of a computer device in Embodiment 3 of the present invention. image 3 A block diagram of an exemplary computer device 12 suitable for implementing embodiments of the invention is shown. image 3 The computer device 12 shown is only an example, and should not impose any limitation on the functions and scope of use of the embodiments of the present invention.

[0080] Such as image 3 As shown, computer device 12 takes the form of a general-purpose computing device. Components of computer device 12 may include, but are not limited to: one or more processors or processing units 16 , system memory 28 , bus 18 connecting various system components including system memory 28 and processing unit 16 .

[0081] Bus 18 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, a processor, or a local bus using any of a variety of bus struc...

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Abstract

The invention discloses an image binarization processing method, device and equipment and a storage medium. The method comprises the following steps: dividing an original image into a plurality of small image blocks according to the width and the height of the small image blocks; pixel values of the small image blocks are obtained, pixel value images are obtained, and the pixel values are averagevalues of pixel points in the small image blocks; in the pixel value image, for each pixel value, calculating an average value of pixel values in an image large block where the current pixel value islocated; and binarizing the original image according to the average value of the large blocks of the image. Through the technical scheme of the invention, under the condition of ensuring that detailsand key data information in the image are reserved, the calculated amount is greatly reduced, and the processing time consumption of a single-chip microcomputer is reduced.

Description

technical field [0001] Embodiments of the present invention relate to image processing technologies, and in particular, to an image binarization processing method, device, equipment, and storage medium. Background technique [0002] At present, image binarization methods can be divided into global threshold method and regional sliding window threshold method. Using this method, the grayscale image is converted into a binarized image. At present, the global threshold method is mainly to calculate the average value of the entire image, or to use a fixed value as a threshold, and use this threshold to binarize the entire image. This method is suitable for images with poor contrast and uneven illumination. Among them, the details and key data in the image will be lost after binarization. The regional sliding window threshold method is to select a window in the image, and calculate the threshold in the window for binarization of the window center point data. Through the sliding...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50G06K9/38
CPCG06T5/50G06T2207/10004G06V10/28
Inventor 赵鑫
Owner 天津维创微智能科技有限公司