Text detection method, device, electronic device, and computer-readable storage medium
A text detection and detection technology, applied in the field of image processing, can solve the problem that the algorithm cannot be transferred directly, and achieve the effect of improving speed and accuracy
Active Publication Date: 2021-10-08
BEIJING CENTURY TAL EDUCATION TECH CO LTD
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Problems solved by technology
[0002] Text detection has a wide range of applications and is a pre-step for many computer vision tasks, such as image search, text recognition, identity authentication, and visual navigation. The main purpose of text detection is to locate the position of text lines or characters in the image, and the accuracy of text Localization is both very important and challenging, because compared with general object detection, text has the characteristics of multi-directional, irregular shape, extreme aspect ratio, font, color, background, etc. Therefore, it is often more difficult in general object detection Successful algorithms cannot be directly transferred to text detection
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[0031] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the drawings, it should be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein; A more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for exemplary purposes only, and are not intended to limit the protection scope of the present disclosure.
[0032] It should be understood that the various steps described in the method implementations of the present disclosure may be executed in different orders, and / or executed in parallel. Additionally, method embodiments may include additional steps and / or omit performing illustrated steps. The scope of the present disclosure is not limited in this regard. ...
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The present disclosure provides a text detection method, device electronic equipment, and a computer-readable storage medium, including: acquiring a text image to be detected; acquiring a first feature map of the text image to be detected; inputting the first feature map to a feature pyramid enhancement module , to generate the second feature map; perform the first convolution process on the second feature map to generate the center point score map of the predicted target; multiply the center point score map and the first feature map point by channel to obtain a combination Combine the feature maps; perform a second convolution process on a group of combined feature maps to generate a location score map of the predicted target; locate the center point of the predicted target according to the target location score map; locate the text box according to the center point. The speed and accuracy of dense text detection are improved by the disclosure.
Description
technical field [0001] The invention relates to the technical field of image processing, in particular to a text detection method, device electronic equipment and a computer-readable storage medium. Background technique [0002] Text detection has a wide range of applications and is a pre-step for many computer vision tasks, such as image search, text recognition, identity authentication, and visual navigation. The main purpose of text detection is to locate the position of text lines or characters in the image, and the accuracy of text Localization is both very important and challenging, because compared with general object detection, text has the characteristics of multi-directional, irregular shape, extreme aspect ratio, font, color, background, etc. Therefore, it is often more difficult in general object detection Successful algorithms cannot be directly transferred to text detection. Contents of the invention [0003] According to an aspect of the present disclosure,...
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IPC IPC(8): G06K9/62G06K9/34G06N3/04
CPCG06V30/153G06V30/10G06N3/045G06F18/23G06F18/214
Inventor 秦勇
Owner BEIJING CENTURY TAL EDUCATION TECH CO LTD