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Image-text area recognition method, television and readable storage medium

A text area and recognition method technology, applied in the field of image processing, can solve the problem of low recognition accuracy of image text area, and achieve the effect of improving recognition accuracy

Active Publication Date: 2018-05-01
SHENZHEN TCL NEW-TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a recognition method of image text area, TV set and readable storage medium, aiming to solve the problem of low recognition accuracy of image text area

Method used

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  • Image-text area recognition method, television and readable storage medium
  • Image-text area recognition method, television and readable storage medium
  • Image-text area recognition method, television and readable storage medium

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Embodiment Construction

[0044] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0045] The main solution of the embodiment of the present invention is: processing the image to be recognized to obtain the first binary image to be processed containing a plurality of maximum stable extremum regions; aggregating each of the maximum stable extremum regions to obtain multiple candidate frames, and using the first binary image to be processed as a mask of the image to be recognized to obtain a second binary image to be processed; A non-text area: adding the candidate frame to the second binary image to be processed after the deletion operation, and using the candidate frame containing the largest stable extremum area as a text area.

[0046] In the prior art, text area detection in natural scenes is challenged by problems such as illumination, text deformation, and scale transformation, and traditional ...

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Abstract

The invention discloses an image-text area recognition method, comprising the steps of processing an image to be recognized to obtain a first binary image to be processed which has multiple maximum stable extreme value areas; aggregating the multiple maximum stable extreme value areas to obtain multiple alternative boxes, and using the first binary image to be processed as a mask for the image tobe recognized so as to obtain a second binary image to be processed; deleting non-text areas from maximum stable extreme value areas of the second binary image to be processed; adding the alternativeboxes to the second binary image to be processed which is subjected to deleting operation, and using the alternative boxes containing the maximum stable extreme value areas as text areas. The invention also discloses a television and a readable storage medium. The image-text area recognition method, the television and the readable storage medium provide improved recognition precision for image-text areas.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a recognition method for an image character area, a television set and a readable storage medium. Background technique [0002] Text area detection and positioning is a very important basic computer vision technology, which is the premise of optical character recognition. [0003] Text area detection in natural scenes is challenged by issues such as lighting, text deformation, and scale transformation. Traditional text detection algorithms cannot correctly detect corresponding text areas, that is, the recognition accuracy of image text areas in existing technologies is low. Contents of the invention [0004] The main purpose of the present invention is to provide a method for recognizing image text areas, a TV set and a readable storage medium, aiming at solving the problem of low recognition accuracy of image text areas. [0005] In order to achieve the above...

Claims

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Application Information

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IPC IPC(8): G06K9/20
CPCG06V10/22
Inventor 陈铭良赖长明吴佳飞
Owner SHENZHEN TCL NEW-TECH CO LTD
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