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An image recognition method and device

An image recognition and image technology, applied in the field of image recognition, can solve the problems of wrong recognition results, recognition failure, weak anti-interference, etc.

Active Publication Date: 2019-05-10
上海众源网络有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the process of realizing the present invention, the inventor found that at least the following problems exist in the prior art: due to the variety of bank card background patterns, when some bank cards are recognized, the recognition failure or the recognition result error may occur
The current bank card image recognition technology has weak anti-interference and low accuracy

Method used

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  • An image recognition method and device

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Embodiment Construction

[0103] The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.

[0104] The embodiment of the present invention provides an image recognition method and device, and the concepts involved in the embodiment of the present invention will be described below first.

[0105] Morphological Gradient Calculation: Perform dilation and erosion morphological processing on the image respectively, and then subtract the eroded image from the dilated image to obtain the difference image. In the morphological processing of image dilation and erosion, a 3×3 convolution kernel can be selected as a feature detector.

[0106] Grouping method: For multiple characters, the number of characters that are arranged consecutively and the characters that are not arranged consecutively are separated.

[0107] Take the card number of a bank card as an example, assuming that the card number of a b...

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Abstract

The embodiment of the invention provides an image recognition method and device, and relates to the technical field of image recognition, and the method comprises the steps: carrying out the morphological gradient calculation of a to-be-recognized image, and obtaining a first gradient map; determining an area corresponding to the image area where the characters in the to-be-identified image are located in the first gradient image, and taking the area as a first image area; determining the number of characters in the first image area; determining a first grouping mode of the characters in the first image area based on the number of the characters; Based on the first grouping mode, performing character segmentation on the first image region to obtain a single character region; and carrying out character recognition on each single character region to obtain a character recognition result of the to-be-recognized image. When the scheme provided by the embodiment of the invention is used foridentifying the image, the anti-interference performance and the accuracy of image identification can be improved.

Description

technical field [0001] The invention relates to the technical field of image recognition, in particular to an image recognition method and device. Background technique [0002] In the era of the Internet and big data, the demand for information and data of enterprises has increased dramatically, and the methods of collecting information and data have become more and more diversified. Choosing an appropriate way to enter information can bring convenience to enterprises and users. [0003] With the continuous advancement of image recognition technology, some links that require users to manually input information can be completed by taking and recognizing images, which brings convenience to users and can also avoid user input errors. For example, the user's bank card number and ID number can be entered through image recognition. [0004] Taking bank card number identification as an example, in the prior art, when identifying a bank card image, the bank card image is first bina...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/34
Inventor 罗熹之
Owner 上海众源网络有限公司
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