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Method and device for text region detection in medical images

A medical image, text area technology, applied in the field of medical image detection, can solve the problems of low detection accuracy, difficult to distinguish character texture from other textures, etc., and achieve the effect of improving detection accuracy

Active Publication Date: 2019-05-21
HANGZHOU ZHUOJIAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, methods such as MSER and SWT are generally used to detect text regions in medical images, but this method is based on texture features for detection, and it is not easy to distinguish character textures in images from other textures, resulting in low detection accuracy

Method used

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  • Method and device for text region detection in medical images
  • Method and device for text region detection in medical images
  • Method and device for text region detection in medical images

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. 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.

[0019] see figure 1 , this embodiment discloses a method for detecting text regions in medical images, including:

[0020] S1. Obtain a medical image to be detected;

[0021] S2. Detect the medical image to obtain a series of connected regions, and obtain a binary template of the text region in the medical image based on the single-sample image;

[0022] It should be...

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Abstract

The invention discloses a method and a device for detecting text regions in a medical image, which can improve the detection accuracy of the text areas. The method comprises the following steps: S1, acquiring the medical image to be detected; S2, detecting the medical image to obtain a series of communicated regions, and obtaining a binary template of the text regions in the medical image based on a single sample image; S3, filtering to remove non-text regions in the communicated regions by using the binary template to obtain candidate text regions, and further filtering to remove the non-text regions in the candidate text regions based on character features; and S4, aggregating the obtained text regions to obtain text lines.

Description

technical field [0001] The invention relates to the technical field of medical image detection, in particular to a method and device for detecting text regions in medical images. Background technique [0002] A medical imaging image is an image composed of a certain number of pixels with different gray levels from black to white arranged in a matrix. It reflects the imaging of organs and tissues on specific imaging equipment, and can well display organs composed of soft tissues, such as the brain, spinal cord, mediastinum, lungs, liver, gallbladder, pancreas, and pelvic organs, etc. The images of lesions are displayed on the background of anatomical images, so medical images have very important application value in medical diagnosis. In addition to the image itself, the original medical image will also save additional data such as patient information in the form of metadata according to certain standards (such as DICOM). These data and images are saved separately. [0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T7/187G06K9/00
CPCG06T7/0012G06T2207/30004
Inventor 刘立杜一帆
Owner HANGZHOU ZHUOJIAN INFORMATION TECH CO LTD