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Handwritten sample generation method and device and application

A sample and handwritten character technology, applied in the field of image recognition, can solve the problem that handwritten samples cannot be automatically and quickly generated, and achieve the purpose and advantages of concise and efficient generation

Inactive Publication Date: 2022-03-18
CITY CLOUD TECH HANGZHOU CO LTD
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AI Technical Summary

Problems solved by technology

[0012] The embodiment of the present application provides a method, device and application for generating handwritten samples. Aiming at the problem that the existing handwritten samples cannot be automatically and quickly generated, a text image imitating manual handwriting is generated by adding random features of character strokes to achieve The technical effect of automatically generating handwritten data sets

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  • Handwritten sample generation method and device and application
  • Handwritten sample generation method and device and application

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Embodiment Construction

[0034] Exemplary embodiments will be described in detail herein, and examples are illustrated in the drawings. The following description is related to the drawings, unless otherwise indicated, the same figures in the different drawings represent the same or similar elements. The embodiments described in the exemplary embodiments described below do not represent all embodiments consistent with one or more embodiments of the present specification. Instead, it is only an example of apparatus and method that consistent with some aspects of one or more embodiments of the present specification, as detailed in the appended claims.

[0035] It should be noted that the steps of the corresponding method are not necessarily shown and described in the other embodiments. In some other embodiments, the steps of its method can be more or less than those described in this specification. Further, the individual steps described in this specification may be decomposed into a plurality of steps in ot...

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Abstract

The invention provides a handwritten sample generation method and device and application, and the method comprises the steps: obtaining a to-be-processed handwritten character, and obtaining a key point on a writing track boundary of the to-be-processed handwritten character; connecting the key points to convert the handwritten characters to be processed into a Bezier curve, and recording control points of the Bezier curve; random transformation conforming to Gaussian distribution is applied to the key points and the control points to generate target handwritten characters; a background picture is obtained, and the background picture is generated based on background characters written by printing fonts; and filling the target handwritten character into the background picture to generate a handwritten sample. According to the scheme, aiming at the problem that an existing handwritten sample cannot be automatically and rapidly generated, the character image simulating manual handwriting is generated by adopting a means of adding the random characteristics of character strokes, and the technical effect of automatically generating the handwritten data set is achieved.

Description

Technical field [0001] The present application relates to the field of image recognition, and in particular, to a handwritten sample generation method, apparatus, and application. Background technique [0002] In the field of deep learning, a large number of samples are often required to collect a large number of samples as a data set, wherein the sample refers to an image containing handwritten text, and the sample is labeled as a position coordinate that appears in the image. The content of the text generally includes handwritten text and print text. Through the sample training algorithm, it is possible to distinguish the position coordinates of handwritten content from the image, so that the target detection or identification mode is learned. [0003] There are several ways to collect handwritten texts currently: [0004] 1. Method of manual writing Chinese characters: such as the data released by the Beijing Posts and Telecommunications Mode Recognition Lab (HCL2000), is curr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06V30/244
Inventor 沈瑶王国梁毛云青陈思瑶葛俊
Owner CITY CLOUD TECH HANGZHOU CO LTD
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