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Compression type ultra-wideband microwave breast tumor imaging method

A breast tumor and imaging method technology, applied in the field of compression ultra-broadband microwave breast tumor imaging, can solve the problems of less consideration of detection and the like

Pending Publication Date: 2019-09-27
TIANJIN UNIV
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  • Description
  • Claims
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Problems solved by technology

[0004] These models seldom take into account the situation in which the patient is tested with different pressures on the breast in the supine position

Method used

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  • Compression type ultra-wideband microwave breast tumor imaging method
  • Compression type ultra-wideband microwave breast tumor imaging method
  • Compression type ultra-wideband microwave breast tumor imaging method

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Embodiment Construction

[0021] A compressive ultra-broadband microwave breast tumor imaging method, comprising the following steps:

[0022] (1) The basic idea of ​​constructing a compression MRI breast numerical model is that when the flat panel array antenna acts on the surface of the breast skin and presses down, the flat panel array antenna contacts the surface of the breast skin, and the two closely fit during the pressing process to form a Press flat. Based on the method of pixel compression, the double peaks of the breast in the MRI image are compressed inward, compressed vertically in proportion, and expanded horizontally appropriately to construct a compressed breast model;

[0023] During the compression process, the part beyond the horizontal line is compressed to the position of the horizontal line, and the points of each column are compressed vertically to the corresponding position according to the compression ratio, such as figure 1 shown;

[0024] (2) Carry out longitudinal scan to ...

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Abstract

The invention relates to a compression type ultra-wideband microwave breast tumor imaging method. The method comprises the following steps of constructing a compression type MRI breast numerical model; mapping the gray values of the MRI image into different tissues in the breast from the perspective of image processing, exporting a breast model, extracting a breast-air boundary by using a Canny algorithm, and generating a skin boundary; selecting the breast at one side, setting the size and position of the tumor, assigning the electromagnetic parameter values of various tissues. After being compressed by an array antenna attached to the surface of the breast skin, the internal tissues are distributed in a compressed mode in the longitudinal direction and are distributed in an expanded mode in the transverse direction, the whole breast is pressed downwards, the tumor contained in the breast can synchronously move downwards under the action of the compression ratio, and by setting the antenna position, the tumor in the breast is imaged by using a confocal imaging algorithm.

Description

technical field [0001] The invention belongs to the technical field of biomedical detection, and relates to a compressive ultra-broadband microwave breast tumor imaging method. Background technique [0002] Breast cancer is the malignant tumor disease with the highest incidence rate in women, and its mortality rate ranks first in the mortality rate of malignant tumors in women. The diagnosis of early breast tumors is undoubtedly of decisive significance to improve the treatment rate of breast disease and the long-term survival rate of patients. Currently commonly used detection methods for early breast cancer include mammography, ultrasound imaging technology, computed tomography, nuclear magnetic resonance imaging technology, thermal imaging detection, etc., but many methods have certain shortcomings, such as radiation damage to the human body, The imaging contrast is low and the cost is high. The principle of ultra-broadband electromagnetic wave detection of breast cance...

Claims

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Application Information

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IPC IPC(8): G06T11/00G16H50/50
CPCG06T11/003G16H50/50
Inventor 肖夏刘雨宋航
Owner TIANJIN UNIV
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