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System and method for realizing risk classification of pulmonary nodules in computer software system

A dangerous degree and software system technology, applied in the field of identification, can solve the problems of low accuracy of the evaluation system of pulmonary nodules malignancy, lack of completeness of pulmonary nodule classification technology, and lack of practicability of pulmonary nodules, etc., to achieve reduction Effects of invasive biopsy, avoiding CT follow-up, and improving accuracy

Active Publication Date: 2019-02-01
EAST CHINA UNIV OF SCI & TECH
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Problems solved by technology

Due to the complexity of pulmonary nodules, current pulmonary nodule classification techniques based on lung CT image processing are not complete
The existing technology is not practical for the classification of pulmonary nodules, and the accuracy of the evaluation system for the malignancy of pulmonary nodules is not high, and it lacks practicality in practical applications

Method used

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  • System and method for realizing risk classification of pulmonary nodules in computer software system
  • System and method for realizing risk classification of pulmonary nodules in computer software system
  • System and method for realizing risk classification of pulmonary nodules in computer software system

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Embodiment Construction

[0046] In order to describe the technical content of the present invention more clearly, further description will be given below with reference to specific embodiments.

[0047] In one embodiment, the method for classifying the risk of lung nodules based on the image density of lung nodules in the computer software system is characterized in that, the method comprises the following steps:

[0048] (1) Based on the existing lung nodule images, establish a lung nodule image database, and mark the lung nodule images into different categories according to the degree of risk;

[0049] (2) Collect pulmonary nodule images that need to be judged, and establish a pulmonary nodule image unit library;

[0050] (3) Calculate the distance between two image units in the pulmonary nodule image unit library to obtain a distance matrix;

[0051] (4) Obtain the number of clusters and cluster centers;

[0052] (5) calculating the CT value density distribution characteristic of each lung nodule...

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Abstract

The present invention relates to a system and method for realizing the classification of pulmonary nodules risk degree in a computer software system, including an image CT value density distribution calculation module, which is used to calculate CT value density distribution characteristics according to unsupervised clustering; classification of pulmonary nodule risk degree The module is used to implement the training and classification of the risk degree of pulmonary nodules using the CT value density distribution feature of the pulmonary nodules according to the supervised machine learning model, and also includes a system for implementing the above method. Using the system and method for judging the degree of risk of pulmonary nodules in the computer software system, to a certain extent, before invasive pathological biopsy, it can be used to assist in judging the benign and malignant of pulmonary nodules from a clinical perspective, thereby improving the accuracy of pathological biopsy; Unnecessary invasive biopsy of patients, avoiding unnecessary CT follow-up of patients, and providing more effective information processing methods for improving the accuracy of lung cancer screening, detection, and diagnosis have a wide range of references.

Description

technical field [0001] The invention relates to the field of identification, in particular to the classification of the risk degree of pulmonary nodules, in particular to a system and method for realizing the classification of the risk degree of pulmonary nodules in a computer software system. Background technique [0002] In recent years, lung CT images have become more and more widely used in the clinical diagnosis of pulmonary nodules. It is of great significance to analyze the risk of pulmonary nodules through lung CT images, especially for the study of early pulmonary nodules. A high-accuracy, clinically meaningful, and robust classification system for the risk of pulmonary nodules has become increasingly important. Due to the complexity of pulmonary nodules, the current pulmonary nodule classification technology based on lung CT image processing lacks completeness. The existing technology is not practical for the classification of pulmonary nodules, and the accuracy o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G16H50/20G06K9/62G06K9/46
CPCG16H50/20G06V10/40G06F18/23G06F18/22G06F18/217G06F18/241G06F18/214
Inventor 朱煜黎文鹏白春学王欣杨达伟
Owner EAST CHINA UNIV OF SCI & TECH
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