Sparse sampling-based holographic magnetic induction chest imaging method and imaging system

A sparse sampling and imaging method technology, applied in the field of magnetic induction imaging, can solve the problems of incapable of three-dimensional imaging, incomplete algorithm, noise interference, etc.

Inactive Publication Date: 2020-01-24
SHENZHEN TECH UNIV
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  • Claims
  • Application Information

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Problems solved by technology

However, the current magnetic induction tomography technology is facing problems such as slow imaging speed, serious noise interference, incomplete algorithms, and incapability of three-dimensional imaging, which lead to slow progress in its clinical promotion.

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  • Sparse sampling-based holographic magnetic induction chest imaging method and imaging system
  • Sparse sampling-based holographic magnetic induction chest imaging method and imaging system
  • Sparse sampling-based holographic magnetic induction chest imaging method and imaging system

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Embodiment Construction

[0069] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly illustrate the spirit of the content disclosed in the application with the accompanying drawings and detailed descriptions. After any person skilled in the art understands the embodiments of the content of the application , when it can be changed and modified by the technology taught in the content of the application, it does not depart from the spirit and scope of the content of the application.

[0070] The exemplary embodiments and descriptions of the present application are used to explain the present application, but not to limit the present application. In addition, elements / members with the same or similar numbers used in the drawings and embodiments are used to represent the same or similar parts.

[0071] The terms "first", "second", ... etc. used herein do not specifically refer to a sequence or order, nor are they...

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Abstract

The invention provides a sparse sampling-based holographic magnetic induction chest imaging method and an imaging system. A sparse sampling-based holographic magnetic induction chest imaging system isarranged. In the imaging system, a main control module controls a transceiver array module to switch the transmitting and receiving states through a switching module and controls a magnetic field signal generating module to generate a single-frequency radio-frequency signal; the single-frequency radio-frequency signal is transmitted to the transceiver array module in the form of sinusoidal alternating current through the switching module, eddy current is generated around the target area, and the eddy current generates a scattered magnetic field; the main control module controls at least threecoils to carry out sparse sampling in a random scanning mode, simultaneously measures scattered magnetic field signals from the chest cavity, and transmits the scattered magnetic field signals to animage processing module; the image processing module successively compares the scattered magnetic field signals in pairs and processes the visible scattered magnetic field function obtained by comparison in combination with a compressed sensing method to obtain a reconstructed chest image, and the reconstructed chest image is then displayed.

Description

technical field [0001] The present application belongs to the technical field of magnetic induction imaging, and in particular relates to a holographic magnetic induction thoracic imaging method and imaging system based on sparse sampling. Background technique [0002] Major lung diseases such as lung cancer and chronic obstructive pulmonary disease seriously threaten human health, and become more and more serious with the increase of air pollution. MRI is an important clinical medical imaging technology, which has the advantage of no radioactivity compared with chest X-ray, CT and PET. However, the lungs are mostly hollow tissue, making the lungs a blind spot for conventional MRI. It is well known that the physiological and pathophysiological characteristics of different lung diseases will lead to different ventilation patterns, and the etiology of lung ventilation defects can be effectively explained by observing the ventilation patterns of the lungs. However, it is diff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/05A61B5/00
CPCA61B5/0033A61B5/004A61B5/0522
Inventor 王露露
Owner SHENZHEN TECH UNIV
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