Rib small fracture detection method and system

A detection method and detection system technology, applied in the field of rib detection, can solve problems such as low execution efficiency, inaccurate results, and inability to meet auxiliary diagnosis, and achieve the effects of rapid and accurate detection, strong generalization ability, and reduction of medical disputes.

Pending Publication Date: 2022-03-15
SHAN DONG MSUN HEALTH TECH GRP CO LTD
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  • Application Information

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Problems solved by technology

However, the execution efficiency of traditional machine learning algorithms is low and the results are not accurate enough, which cannot meet the needs of auxiliary diagnosis

Method used

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  • Rib small fracture detection method and system
  • Rib small fracture detection method and system
  • Rib small fracture detection method and system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1 of the present invention proposes a method for detecting small rib fractures, such as figure 1 A flow chart of a detection method for small rib fractures is given.

[0045] In step S101, a rib small fracture detection database is constructed; the database is a CT picture marked by a doctor for the fracture position;

[0046] Chest CT imaging data of patients with fractures in the last five years were collected from 10 tertiary hospitals, and experienced chief physicians marked the location of small rib fractures in each chest CT image. Select chest CT images from several hospitals in recent years, and save them in CSV format after being annotated by the first group of professional doctors; the contents of the annotation include the location and type of fracture; Professional doctors review and mark the content, if the conclusion is consistent, it will be saved as a csv file as the final result, and if there is a disagreement, it will be re-marked by other ex...

Embodiment 2

[0069] Based on the method for detecting small rib fractures proposed in Embodiment 1 of the present invention, Embodiment 2 of the present invention also proposes a detection system for small rib fractures, such as Figure 4 It is a schematic diagram of a rib fine fracture detection system according to Embodiment 2 of the present invention, and the system includes a construction module, a preprocessing module and a prediction module;

[0070] The building block is used to build a detection database for small rib fractures; the database is CT pictures marked with fracture locations by doctors;

[0071] The preprocessing module is used to divide the database into a training set, a verification set and a test set according to a preset ratio; and preprocess the CT pictures of the data set; the preprocessing process includes: selecting three consecutive The CT images are sampled according to the HU value range and then weighted and averaged to obtain a three-channel image;

[007...

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Abstract

The invention provides a rib small fracture detection method and system. The method comprises the following steps: constructing a rib small fracture detection database; the database is a CT picture of which the fracture position is marked by a doctor; dividing the database into a training set, a verification set and a test set according to a preset proportion; preprocessing the CT picture; the preprocessing process comprises the following steps of: selecting three continuous CT images, sampling according to an HU value range, and performing weighted average to obtain three-channel images; inputting the three-channel image into an improved YOLOV5 model for training; and if the decrease of the continuous loss function is smaller than a preset threshold value, stopping storing the model parameters, and verifying whether the output result of the improved model is the same as the marked fracture position by using the test set. Based on the method, the invention further provides a rib small fracture detection system. A large amount of clinical data is used for training, the method has high generalization ability for data of different hospitals, and whether a patient has fine rib fractures or not can be rapidly and accurately detected.

Description

technical field [0001] The invention belongs to the technical field of rib detection, in particular to a method and system for detecting small rib fractures. Background technique [0002] With the progress of society and the development of science and technology, the application of medical imaging in disease diagnosis is becoming more and more extensive. As an important part of medical imaging, chest CT is also widely used in daily medical diagnosis. Rib fracture is a common chest injury, accounting for more than 85% of closed chest trauma. It is more common in middle-aged and elderly people, and less common in children. [0003] Because rib fractures are mostly caused by direct or indirect violence, a considerable part of which involves car accidents, industrial injuries, criminal cases and compensation issues, so missed diagnosis and misdiagnosis may cause medical disputes. However, due to the condition and position restrictions of emergency patients, hospital equipment ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T7/73G06K9/62G06V10/764G06V10/82G06V10/40G06N3/04G06N3/08
CPCG06T7/0014G06T7/73G06N3/08G06T2207/10081G06T2207/30008G06N3/045G06F18/24
Inventor 樊昭磊吴军张嵩李传朋郭凯峰刘磊
Owner SHAN DONG MSUN HEALTH TECH GRP CO LTD
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