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An Ultra-Wideband Breast Tumor Imaging Method Based on Magnetic Resonance Image Compensation

A technology for magnetic resonance images and breast tumors, applied in image analysis, image enhancement, image data processing, etc., can solve problems such as rough interface and difficulty in accurately estimating the volume of glandular tissue

Inactive Publication Date: 2018-10-16
TIANJIN UNIV
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  • Application Information

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Problems solved by technology

Because the glandular tissue and adipose tissue in the breast are interwoven into a network structure, the interface between the two is very rough, and the volume of the glandular tissue is difficult to accurately estimate

Method used

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  • An Ultra-Wideband Breast Tumor Imaging Method Based on Magnetic Resonance Image Compensation
  • An Ultra-Wideband Breast Tumor Imaging Method Based on Magnetic Resonance Image Compensation
  • An Ultra-Wideband Breast Tumor Imaging Method Based on Magnetic Resonance Image Compensation

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Embodiment Construction

[0024] The present invention will be described below in conjunction with the drawings and embodiments.

[0025] (1) figure 1 Shown is a breast MRI slice. First, build a discrete model of the gland based on the MRI slice atlas of the breast. After stacking the MRI pictures at equal intervals, the gap between the slices is interpolated to construct a complete three-dimensional discrete breast model. The threshold is defined for the degree range, and the inside of the breast is divided into various tissues, such as figure 2 Shown. Directly extract the gland part in the discrete model, such as image 3 Shown.

[0026] (2) Model the gland structure to make the model constructed similar to the original gland structure. By comparing a large number of breast MRI images, the structure of the gland tissue in the breast is approximated to the shape of an elliptical cone. A good description of the glandular structure in the breast of most women. First select the apex of the elliptical con...

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Abstract

The invention relates to an ultra-wideband breast tumor imaging method based on magnetic resonance image compensation. The method comprises the following steps of based on a MRI slice atlas based on breasts, constructing a three-dimensional discrete breast model of a gland; modeling a gland structure and approximating structures of gland tissues in the breasts into an elliptic cone shape; using spatial coordinate transformation and ''righting'' an elliptic cone to an auxiliary coordinate system; creating an isosceles triangle area in a plane projection area of the elliptic cone, carrying out a finite element on the area and determining an elliptic cone surface capable of best describing a change trend of a rough gland surface; and carrying out microwave propagation time error estimation and accurate imaging. In the invention, ultra-wideband breast tumor imaging can be accurately performed.

Description

Technical field [0001] The invention belongs to a method for imaging breast tumors. Background technique [0002] Ultra-wideband (UWB) testing technology is developing rapidly in the field of non-destructive testing. UWB detection is widely used. The technology has broad application prospects in many fields such as ground penetrating radar, material detection, through-wall radar, and breast tumor detection. It has many advantages such as low detection equipment cost, small equipment size, and no radiation damage to the human body. This technology uses ultra-wideband microwaves to enter the object to be detected, and then relies on the principle of radar reflection to locate or image the target. In the application of ultra-wideband microwaves to detect human breast tumors, the complex structure of the breast causes the speed of ultra-fast band microwaves to propagate unevenly and difficult to estimate, resulting in a decrease in imaging accuracy. An important method to improve i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00
CPCG06T7/0012G06T2207/10088G06T2207/30068
Inventor 肖夏王梁
Owner TIANJIN UNIV
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