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Picture text recognition method, device and equipment

A text recognition and text technology, applied in the field of image processing, can solve problems such as construction projects, and achieve the effect of improving efficiency

Pending Publication Date: 2022-07-29
NEUSOFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, different organizations and business processes contain a large number of different types of images, and it is impossible to establish a project for each type of image

Method used

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  • Picture text recognition method, device and equipment
  • Picture text recognition method, device and equipment
  • Picture text recognition method, device and equipment

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specific Embodiment approach

[0091] In the case where there are four anchor points corresponding to the anchor text included in the image to be recognized, the embodiment of the present application provides a method using the target anchor position corresponding to the target anchor text and the anchor points included in the image to be recognized The anchor point position corresponding to the text determines the specific implementation of the projection matrix representing the mapping relationship between the image to be recognized and the template image. Specifically, after determining the anchor position included in the target anchor position group in A4 as the anchor position corresponding to the anchor text included in the to-be-recognized image, the embodiment of the present application provides a specific implementation of S302 ways, including:

[0092] B1: Select the target anchor point position corresponding to the anchor point position from the target anchor point positions, and determine it as ...

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Abstract

The invention discloses a picture text recognition method, device and equipment, and the method comprises the steps: firstly obtaining a template image, and marking a target anchor point text, a target anchor point position corresponding to the target anchor point text, and a target recognition frame position in the template image; and identifying an anchor point text included in the to-be-identified image and an anchor point position corresponding to the anchor point text. And determining a projection matrix representing a mapping relationship between the to-be-recognized image and the template image by using a target anchor point position corresponding to the target anchor point text and an anchor point position corresponding to an anchor point text included in the to-be-recognized image. And performing projection mapping on the to-be-identified image by using the projection matrix to generate a converted to-be-identified image. And determining the position of the recognition frame in the converted to-be-recognized image according to the position of the target recognition frame. And recognizing the text included in the position of the recognition box. Thus, by marking the template image, the key text in the image similar to the template image can be extracted, and the efficiency of image text recognition is improved.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular, to a method, device and device for recognizing text in pictures. Background technique [0002] Optical Character Recognition (OCR) refers to the process of obtaining the corresponding image by scanning or photographing the surface of an object, and then obtaining the text in the image based on the text recognition method. For example, the text on the ID card, the text on the invoice, etc. can be obtained through OCR technology. [0003] ID cards and other documents often have a unified format. If you need to identify key texts in fixed-format images, you can currently create projects for each type of image to extract the key text included in the image according to preset rules. However, different organizations and business processes contain a large number of different types of images, and it is impossible to build projects for each type of image. Therefore,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06V30/413G06V30/148G06V20/62
Inventor 田广库金圣海
Owner NEUSOFT CORP