Text region detection method and device and server
A text area and area technology, applied in the field of image processing, can solve the problems of low detection efficiency and time-consuming text detection, and achieve the effect of improving efficiency
Pending Publication Date: 2021-05-04
BEIJING KINGSOFT CLOUD NETWORK TECH CO LTD +1
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[0002] In the related art, in order to realize text detection in an image, an image segmentation algorithm can be used to perform multi-level segmentation on the text area in the image to obtain a multi-level scale segmented area, and then perform pixel-by-pixel segmentation on the segmented area according to the outline size of the segmented area. Iterative expansion, and finally detect the text area in the image. In this method, due to the iterative expansion method pixel by pixel, the text detection is time-consuming and the detection efficiency is low.
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[0031] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0032] With the development of intelligent high-definition technology, more and more video processing technologies based on image analysis are applied to practical tasks. For example, in the task scene of a show live video broadcast, in addition to analyzing the anchor characters, the detection and analysis of the text area has practical application significance for video compression, image quality improvement, and image quality restoration.
[0033]In related technologies, in order to realize text detection in an image,...
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The invention provides a text area detection method and device and a server, and the method comprises the steps of obtaining a to-be-processed image; performing text region segmentation processing on the to-be-processed image to obtain a plurality of to-be-selected regions of a text region in the to-be-processed image, wherein the plurality of to-be-selected areas have a plurality of scales; and performing morphological processing on the plurality of to-be-selected areas to obtain a text area of the to-be-processed image. According to the invention, the to-be-selected region obtained after the text region segmentation processing is processed through morphology, and the text region of the image can be rapidly detected, so that the text detection efficiency is improved.
Description
technical field [0001] The present invention relates to the technical field of image processing, in particular to a text region detection method, device and server. Background technique [0002] In the related art, in order to realize text detection in an image, an image segmentation algorithm can be used to perform multi-level segmentation on the text area in the image to obtain a multi-level scale segmented area, and then perform pixel-by-pixel segmentation on the segmented area according to the outline size of the segmented area. The text area in the image is finally detected through iterative expansion. In this method, due to the iterative expansion method pixel by pixel, the text detection is time-consuming and the detection efficiency is low. Contents of the invention [0003] The object of the present invention is to provide a text area detection method, device and server, so as to quickly detect the text area of an image and improve text detection efficiency. ...
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IPC IPC(8): G06K9/34G06K9/62
CPCG06V30/153G06V10/267G06F18/22G06F18/214
Inventor 陈熊成超熊宝玉张海斌鲁方波汪贤
Owner BEIJING KINGSOFT CLOUD NETWORK TECH CO LTD