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Medical image desensitization and cleaning method based on DICOM

A medical image desensitization technology, applied in the field of medical image processing, can solve problems such as non-conformity to standards, single desensitization method, unreadable or repeated data, etc., to improve quality and applicable range, protect privacy and security, and retain usability Effect

Pending Publication Date: 2022-01-04
XINJIANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the desensitization method of CT images based on DICOM is relatively single. After desensitization, the analysis value of the data is greatly destroyed. In the process, substandard, unreadable or repetitive data may be generated, and the accuracy of the data set after desensitization cannot be guaranteed. quality

Method used

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  • Medical image desensitization and cleaning method based on DICOM
  • Medical image desensitization and cleaning method based on DICOM
  • Medical image desensitization and cleaning method based on DICOM

Examples

Experimental program
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Effect test

Embodiment 1

[0036] Specifically include the following steps:

[0037] S10: Examining the original CT medical image data of the DICOM standard for approval.

[0038] S20: Complete the data desensitization of the original data set according to the formulated desensitization strategy. The data related to patient privacy in medical images is desensitized according to the desensitization strategy, and the patient ID is desensitized using a symmetric encryption algorithm.

[0039] The specific implementation of the desensitization strategy is as follows:

[0040] (1) Patient ID is the unique identifier of the patient, which can be used to confirm the identity of the patient. Consider using a reversible desensitization algorithm for encryption. The present invention adopts a symmetric encryption algorithm including a key, and uses the key to encrypt and decrypt the Patient ID. The encrypted image can be used by a third party, and the real information of the patient will not be exposed during ...

Embodiment 2

[0053] Specifically include the following steps:

[0054] S10: to DICOM standard CT medical image raw data (such as figure 2 shown) for approval review.

[0055] S20: Complete the data desensitization of the original data set according to the formulated desensitization strategy. The data related to patient privacy in medical images is desensitized according to the desensitization strategy, and the patient ID is desensitized using a symmetric encryption algorithm.

[0056] The desensitization strategy means that the Patient ID in DICOM-based medical images is processed with a recoverable symmetric encryption algorithm, and the rest of the data is desensitized using methods such as invalidation and numerical transformation.

[0057] The result after desensitization treatment is shown in the figure image 3 shown.

[0058] S30: Desensitize the Patient ID of the desensitized medical image, so as to determine the true identity of the patient, use it to assist in data cleaning,...

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Abstract

The invention relates to a medical image desensitization and cleaning method based on DICOM (Digital Imaging and Communications in Medicine). The invention discloses a medical image desensitization and cleaning method based on a DICOM (Digital Imaging and Communications in Medicine). The method comprises the following steps of S10, performing batch checking on CT medical image original data of a DICOM standard; S20, performing data desensitization on the CT medical image data processed in the step S10; S30, carrying out Patient ID desensitization on the CT medical image processed in the step S20; S40, cleaning the data set of the CT medical image processed in the step S30; and S50, classifying and outputting the cleaned data, reserving effective data, and deleting error data. The medical image desensitization and cleaning method based on the DICOM is accurate and effective, data desensitization and data cleaning work can be carried out on the medical image data set under the condition that the quality of the medical image data set is guaranteed, the privacy safety of a patient is effectively protected, meanwhile, the availability of the data is reserved, it is guaranteed that the value of the data is not damaged, and manpower resources and time cost are saved.

Description

technical field [0001] The invention belongs to the technical field of medical image processing, in particular to a DICOM-based medical image desensitization and cleaning method. Background technique [0002] The rapid development of health and medical big data, medical image processing and other fields has promoted the progress of my country's medical and health undertakings, but patients' privacy has also emerged as a security risk. The research and development of health and medical big data, medical image processing and artificial intelligence products are supported by massive medical image data, among which CT images based on DICOM standards are an important source. Since the image contains a large amount of real information of the patient, it needs to be desensitized before research and application. The analysis and application of medical image data can bring huge value. On the basis of ensuring the privacy and security of patients, how to meet the needs of medical big...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G16H30/20G06F21/62
CPCG16H30/20G06F21/6245
Inventor 严紫薇陈程
Owner XINJIANG UNIVERSITY
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