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Electronic laryngoscope image classification method based on binuclear convolution feature extraction

A feature extraction and electronic throat technology, applied in the field of computer vision and pattern recognition, can solve the problems of low efficiency and accuracy of classification and recognition

Pending Publication Date: 2021-04-20
XIAN UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, such methods often ignore the particularity and detailed information features of electronic laryngoscope images, which easily lead to low classification and recognition efficiency and accuracy.

Method used

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  • Electronic laryngoscope image classification method based on binuclear convolution feature extraction
  • Electronic laryngoscope image classification method based on binuclear convolution feature extraction
  • Electronic laryngoscope image classification method based on binuclear convolution feature extraction

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0037] Step 1: Data preprocessing stage, such as figure 1 shown;

[0038] Step 2: First, we extract a picture currently to be processed from step 1, such as figure 2 , entered into image 3 In the dual-kernel convolutional feature extraction network. Secondly, in order to demonstrate the effect of network extraction features, we obtain the features of the previous layer of the fully connected layer and visualize them, as follows: Figure 4 result. Finally, the image gets a 1*512-dimensional image feature F through the fully connected layer.

[0039] F=[0,0,0.24433999,0,0.7739287,2.735432,1.2492355,0,0,5.9589076,...,2.735432,1.2492355,0,0,0,5.9589076]

[0040] Step 3: Input the F obtained i...

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Abstract

The invention discloses an electronic laryngoscope image classification method based on binuclear convolution feature extraction. The invention belongs to the field of computer vision and pattern recognition. The method comprises the following steps: firstly, preprocessing a laryngoscope image, including frame splitting and image cutting, retaining effective image information, and then adjusting the image size to 224 * 224; secondly, designing a deep convolutional neural network capable of acquiring detail information features of the image, inputting the image into the network, and extracting high-order image features with detail information; and then, training an integrated classifier from the obtained image feature information by using an extreme gradient boost (Xgboost) integration method to obtain an electronic laryngoscope image classification result. The extracted image features have rich detail features such as texture features, shape features and position information, and the accuracy of electronic laryngoscope image classification is effectively improved in combination with an Xgboost integrated classification method.

Description

technical field [0001] The invention belongs to the fields of computer vision and pattern recognition. Specifically: Invented a deep convolutional neural network (CNN) that can extract rich and detailed features, and combined with the extreme gradient boosting (Xgboost) integrated classification method to classify and recognize electronic laryngoscope images. This method can classify and identify low-level texture features, shape features and location information and other electronic laryngoscope image parts that are not obvious signs, thereby improving the classification and recognition of nasopharynx and vocal cord closure parts in electronic laryngoscope images, and improving the overall classification. the accuracy rate. Background technique [0002] Electronic laryngoscope is the main auxiliary tool for otolaryngologists to diagnose otolaryngology diseases, and the analysis of electronic laryngoscope images is a direct reference for doctors to judge otolaryngology dise...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06N3/04G06N3/08
Inventor 陈皓闫庆元郝马阳
Owner XIAN UNIV OF POSTS & TELECOMM
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