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Virtual digital DR image generation method and DR virtual simulation instrument

A digital and image technology, which is applied in the field of DR virtual simulation instrument and virtual digital DR image generation, can solve the problems of limited quantity, single image contrast, fixed cross-sectional inclination angle, etc.

Active Publication Date: 2021-04-16
上海培云教育科技有限公司
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Problems solved by technology

[0008] Aiming at the technical problems of single image contrast, limited quantity, and fixed cross-section inclination angle of the existing paper-based DR atlas, the purpose of the present invention is to provide a virtual digital DR The image generation method and DR virtual simulation instrument have constructed a high-degree-of-freedom DR virtual simulation instrument, which can perform high-degree-of-freedom positioning training, and can obtain DR images under different imaging parameters and different positioning in real time

Method used

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  • Virtual digital DR image generation method and DR virtual simulation instrument
  • Virtual digital DR image generation method and DR virtual simulation instrument
  • Virtual digital DR image generation method and DR virtual simulation instrument

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Embodiment Construction

[0071] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0072] Glossary:

[0073] Electron density distribution: The electron density value per unit volume in a certain tissue.

[0074] Effective Atomic Number: The atomic number of an elemental substance is the number of protons within the elemental atom. However, biological tissue is a mixture, so its equivalent atomic number is obtained according to the molecular composition of the tissue.

[0075] X-ray energy spectrum c...

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Abstract

The invention discloses a virtual digital DR image generation method. The method comprises the following steps: constructing a DR digital object; constructing an X-ray energy spectrum curve emitted by a bulb tube; constructing a filtering material attenuation model; calculating the filtered X-ray energy spectrum; and calculating to obtain a virtual digital DR image by taking the DR digital object as a virtual scanning sample. The original atlas range can be broken through, that is, the DR digital human body or the DR digital object is used as a scanning sample, the DR images under different qualities and quantities of X-ray parameters and different body positions and different radiation fields are obtained, the DRs with different contrast ratios and signal-to-noise ratios are obtained in real time, and the method has wide application value.

Description

technical field [0001] The invention relates to the technical field of DR simulation, in particular to a method for generating a virtual digital DR image and a DR virtual simulation instrument. Background technique [0002] A digital twin is a virtual entity constructed in a virtual space to represent the real-time operating state of a physical entity. It has a full range of functions that integrate geometric modeling, simulation, and data analysis, and plays the role of comprehensive analysis and decision-making. In digital twin technology, the simulation of physical entity shape, known (or empirical) physical law and unknown physical law is realized through the construction of geometric model, mechanism model and data model respectively. In 2017 and 2018, the digital twin was rated as one of the top ten technologies that will affect the future by Gartner for two consecutive years. It has been and will gradually be used in the verification, design, testing, and maintenance ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/083A61B6/00A61B6/03G09B9/00
Inventor 汪红志夏天徐罗元
Owner 上海培云教育科技有限公司
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