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Method and device for digital recognition

A digital recognition and digital technology, applied in the field of image recognition, can solve the problems of low digital recognition efficiency and low recognition rate, and achieve the effect of improving efficiency and recognition rate

Active Publication Date: 2020-01-14
SHENZHEN YIHUA COMP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method and device for digital recognition, aiming to solve the problems of low digital recognition efficiency and low recognition rate in the prior art

Method used

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  • Method and device for digital recognition
  • Method and device for digital recognition

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] figure 1 It is a flow chart of a digital recognition method provided in Embodiment 1 of the present invention, specifically including steps S101 to S103, detailed as follows:

[0024] S101. Search for a feature region of an image of a digit to be recognized.

[0025] Specifically, the number to be recognized can be a number with a high similarity with the image of the specific number. In order to realize the recognition of the number to be recognized, it is necessary to use the image of the number to be recognized as a region with relatively obvious local differences from the image of the specific number. The feature area is a specific area in the image of the number to be recognized that requires feature recognition.

[0026] For example, 2 or 3 in Persian numerals are numbers with high similarity. from figure 2 From the image samples of Persian numeral 2 and Persian numeral 3 shown, it can be seen that the images of the two have a high degree of similarity, so the...

Embodiment 2

[0036] image 3 It is a flow chart of a digital recognition method provided in Embodiment 2 of the present invention, specifically including steps S201 to S2011, detailed as follows:

[0037] S201. Starting from the end line of the image of the number to be recognized, count the difference in the number of pixels between two adjacent lines of numbers.

[0038] The number to be recognized can be a number with a high similarity with the image of a specific number. In order to realize the recognition of the number to be recognized, it is necessary to use the area of ​​the image of the number to be recognized with relatively obvious local differences from the image of the specific number as a feature area. The area is a specific area in the image of the number to be recognized that needs to be identified. Further, the number to be recognized may be Persian number 2 or Persian number 3, and the specific number may be Persian number 3. It should be noted that the method of the emb...

Embodiment 3

[0081] Figure 5 It is a schematic structural diagram of a digital identification device provided by Embodiment 3 of the present invention. For convenience of description, only the parts related to the embodiment of the present invention are shown. Figure 5 An exemplary digital recognition device may be the subject of execution of the digital recognition method provided in Embodiment 1 above. Figure 5 The device of a kind of digital identification of example comprises search module 51, statistics module 52 and recognition module 53, and each functional module is described in detail as follows:

[0082] Searching module 51, is used for searching the characteristic region of the image of number to be recognized;

[0083] Statistical module 52, used for counting the distribution information of blank pixels in the characteristic area of ​​the image of the number to be recognized;

[0084] The recognition module 53 is configured to output the recognition result of the number to...

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Abstract

The invention is applicable to the field of image recognition, provides a method and device for digital recognition, and aims to solve the problems of low digital recognition efficiency and low recognition rate in the prior art. The method includes: searching for the feature area of ​​the image of the number to be recognized; in the feature area, counting the distribution information of blank pixels; when the distribution information of the blank pixels meets the feature condition of a specific number, outputting the The recognition result of the number to be recognized is the specific number. The technical scheme of the present invention judges whether the number to be recognized is a specific number by counting the distribution information of the blank pixels in the characteristic area of ​​the image of the number to be recognized, and matching the distribution information of the blank pixels with the characteristic conditions of the specific number , realizing an accurate digital recognition process without complex calculation process, thereby improving the efficiency and recognition rate of digital recognition.

Description

technical field [0001] The invention relates to the field of image recognition, in particular to a method and device for digital recognition. Background technique [0002] At present, in image recognition, the recognition of numbers usually adopts the method of chain code (Freeman code). Chain code is a method of describing a curve or boundary with the coordinates of the starting point of the curve and the direction code of the boundary point. When using chain code to identify numbers , select a pixel point as a reference point, and the pixel points at 8 different positions adjacent to the reference point are assigned direction values ​​respectively. [0003] However, in practical applications, the traditional chain code recognition requires a relatively complex preprocessing process, which is inefficient. At the same time, due to the influence of factors such as printing technology, staining, old and new, and skeletonization, the use of traditional chain codes to image The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62
CPCG06V10/751
Inventor 傅博扬
Owner SHENZHEN YIHUA COMP