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Bone biomechanical modeling method, system and device based on multi-modal image

A multimodal image and biomechanics technology, applied in image enhancement, image analysis, image data processing, etc., can solve the problems of inaccurate material properties and low accuracy of bone biomechanical model simulation results, and achieve the goal of improving accuracy Effect

Pending Publication Date: 2021-10-19
BEIJING UNIV OF TECH
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Problems solved by technology

[0008] To this end, the embodiments of the present invention provide a bone biomechanical modeling method, system, and device based on multimodal images to solve the problem that the material properties of the existing bone biomechanical model are inaccurate, resulting in low accuracy of the simulation results of the bone biomechanical model. technical problem

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[0065] The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0066] In order to solve the technical problem that the material properties of the existing bone biomechanical model are inaccurate, resulting in low accuracy of the simulation results of the bone biomechanical model.

[0067] refer to figure 1 , the embodiment of the present invention discloses a bone biomechanical modeling system based on multimodal images, the system includes: an image acquis...

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Abstract

The embodiment of the invention discloses a bone biomechanical modeling method, system and device based on a multi-modal image, and the method comprises the steps: carrying out the calculation of a fat fraction image through employing a water image and a fat image extracted from an MRI image, carrying out the image registration of the fat fraction image and a QCT image to obtain an image bone marrow fat fraction, correcting a CT value of the QCT image by using the image bone marrow fat fraction, establishing a bone biomechanical finite element model by using the corrected CT value, and performing bone biomechanical calculation and analysis. Therefore, the correction of the material attribute of the bone biomechanical model is taken as an entry point, the problem that the material attribute of the existing bone biomechanical model is inaccurate is solved, the bone biomechanical finite element model is established based on multi-modal image correction, and the method has important significance in improving the bone biomechanical model and improving the accuracy of clinical fracture risk prediction.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of bone biomechanics simulation, and in particular to a bone biomechanics modeling method, system and device based on multimodal images. Background technique [0002] Assessing the risk of fracture or formulating clinical treatment plan after fracture and treatment effect mainly depend on the biomechanical properties of bone. Since there are few human bone samples available for experiments, it is unrealistic or limited to use in vitro experimental methods to study bone biomechanical properties. The biomechanical model established based on medical images can simulate various complex stress conditions of bones and can repeat experiments infinitely, so it has become a simple and fast method for analyzing bone mechanical properties. [0003] Existing biomechanical models based on medical images include: [0004] The method of obtaining bone mechanical materials based on the information of ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06T7/32G06F119/14
CPCG06F30/23G06T7/32G06F2119/14G06T2207/10081
Inventor 杨海胜冯文天李光辉
Owner BEIJING UNIV OF TECH
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