Mammary gland tomographic image reconstruction method and device

A technology of tomographic images and mammary glands, applied in the field of mammary tomography, can solve problems such as unsatisfactory needs

Active Publication Date: 2015-12-23
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology

However, the traditional reconstruction process can no longer meet the needs of this new type of multi-ray source X-ray tube

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  • Mammary gland tomographic image reconstruction method and device
  • Mammary gland tomographic image reconstruction method and device
  • Mammary gland tomographic image reconstruction method and device

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[0036] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0037] In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways than those described here, so the present invention is not limited by the specific embodiments disclosed below.

[0038] Figure 12A structural diagram of a breast tomography apparatus according to an embodiment of the present invention is shown. refer to Figure 12 As shown, the breast tomography equipment 1200 of this embodiment includes a plurality of radiation sources 1210 , detectors 1220 and compression plates 1230 . The probe 1220 and compression plate 1230 clamp the breast from two directions. Multiple radiation sources 1210 irradiate the ...

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Abstract

The invention provides a mammary gland tomographic image reconstruction method and a mammary gland tomographic image reconstruction device. The mammary gland tomographic image reconstruction method comprises the steps of: initializing mechanical coordinates of mammary gland tomographic equipment and image parameters of a projected image; preprocessing the projected image; carrying out filtered back-projection on the projected image after preprocessing to generate a mammary gland 3D tomographic reconstructed image; removing detector edge artifacts in the mammary gland 3D tomographic reconstructed image; removing mammary gland edge artifacts in the mammary gland 3D tomographic reconstructed image; and removing sawtooth artifacts in the mammary gland 3D tomographic reconstructed image. The mammary gland tomographic image reconstruction method and the mammary gland tomographic image reconstruction device can be adapt to the mammary gland tomographic equipment with multiple ray sources.

Description

technical field [0001] The present invention mainly relates to breast tomography technology, in particular to a breast tomographic image reconstruction method and device. Background technique [0002] Breast cancer is an important disease that seriously threatens women's health worldwide. Mammography is currently recognized as the preferred screening modality for breast cancer. In recent years, with the continuous update of imaging equipment, the emergence of digital breast tomosynthesis technology, also known as digital breast tomosynthesis (Digital Breast Tomosynthesis, DBT), has further improved the early detection and diagnosis of breast cancer. [0003] Digital breast tomography is a three-dimensional imaging technology. It is reconstructed from a series of low-dose breast projection images taken from different angles and synthesized into a three-dimensional breast tomographic reconstruction image containing a series of high-resolution tomographic images. These tomogr...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/00
Inventor 张娜杨乐陈皓牛杰韩业成
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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