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Text detection method and device

A technology of text detection and text information, which is applied in the computer field, can solve problems such as the inability to accurately obtain image text information, achieve the effect of improving boundary segmentation, solving the problem of overlapping text lines, and avoiding sticking

Pending Publication Date: 2021-12-03
BEIJING WODONG TIANJUN INFORMATION TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the embodiments of the present invention provide a text detection method and device, which can solve the problem that the existing text detection methods cannot accurately obtain the text information in the image when the text areas overlap or the adjacent text lines are glued together.

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Embodiment Construction

[0062]Exemplary embodiments of the present invention are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0063] Text in an image can be detected in the following ways:

[0064] 1) Based on the candidate frame; the text candidate frame is given based on a certain strategy, and the candidate frame with high confidence is obtained by performing position regression and confidence discrimination on the candidate frame, and finally the position of the text line is obtained through p...

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Abstract

The invention discloses a text detection method and device, and relates to the technical field of computers. A specific embodiment of the text detection method comprises: obtaining a to-be-detected image, wherein the image at least comprises text information; extracting a segmentation image, an edge image and a center line image from the image, wherein the segmentation image is used for representing an area of a first preset range where a text line in the image is located, the edge image is used for representing an edge area of a second preset range around the segmentation image, and the center line image is used for representing a center line of each text line in the image; and obtaining text information in the image according to the segmentation image, the edge image and the center line image. According to the embodiment, the text line boundary segmentation effect can be improved, adhesion of adjacent text lines is avoided, and the problem of text line overlapping can be solved to a certain extent by utilizing the center line information.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a text detection method and device. Background technique [0002] Generally, the text detection method uses computer vision technology to detect the text information in the image for subsequent text recognition or text elimination and other operations, which is an important part of (Optical Character Recognition, Optical Character Recognition) technology. However, existing text detection methods cannot accurately obtain text information in images when text areas overlap or adjacent text lines are glued together. Contents of the invention [0003] In view of this, the embodiments of the present invention provide a text detection method and device, which can solve the problem that existing text detection methods cannot accurately obtain text information in an image when text regions overlap or adjacent text lines are glued together. [0004] To achieve the above purpose, accor...

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Application Information

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IPC IPC(8): G06T7/11G06T7/181G06T7/187G06K9/20G06N3/04G06N3/08
CPCG06T7/11G06T7/181G06T7/187G06N3/08G06N3/045
Inventor 杨学行赖荣凤梅涛
Owner BEIJING WODONG TIANJUN INFORMATION TECH CO LTD
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