Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Elastic Strain Energy for Shearing Stresses01:20

Elastic Strain Energy for Shearing Stresses

As discussed in previous lessons, strain energy in a material is the energy stored when it is elastically deformed, a concept crucial in materials science and mechanical engineering. This energy results from the internal work done against the cohesive forces within the material. When a material undergoes shearing stress and corresponding shearing strain, the strain energy density, which is the energy stored per unit volume, is calculated. Within the elastic limit, where the stress is...

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Automatic Assessment of Periodontium Complex in Intraoral Ultrasound Videos.

Journal of dental research·2025
Same author

The Application of Integrated Force and Temperature Sensors to Enhance Orthotic Treatment Monitoring in Adolescent Idiopathic Scoliosis: A Pilot Study.

Sensors (Basel, Switzerland)·2025
Same author

Using ultrasound reflection coefficient index and other clinical parameters to predict the risk of progression in adolescents with idiopathic scoliosis (AIS)- a pilot study.

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2025
Same author

The effect of arm positions used during radiography on spinal alignment parameters assessed by 3D ultrasound imaging in adolescents with and volunteers without idiopathic scoliosis.

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2025
Same author

A fully automated measurement of migration percentage on ultrasound images in children with cerebral palsy.

Medical & biological engineering & computing·2024
Same author

The test-retest reliability of frontal, sagittal, and transverse spinal measurements during three standing arm positions in adolescents with idiopathic scoliosis measured using ultrasound imaging.

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2024

相关实验视频

Updated: Jun 20, 2026

Outer-Boundary Assisted Segmentation and Quantification of Trabecular Bones by an Imagej Plugin
09:36

Outer-Boundary Assisted Segmentation and Quantification of Trabecular Bones by an Imagej Plugin

Published on: March 14, 2018

9.3K

强大的引导波逆转用于估计骨厚和弹性.

Ductho Le1, Mauricio D Sacchi2, Edmond Lou3

  • 1Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Alberta, Canada.

The Journal of the Acoustical Society of America
|December 13, 2024
PubMed
概括
此摘要是机器生成的。

这项研究提出了一种新的超声波逆转技术,以准确测量骨特性,如厚度和弹性特征. 该方法提高了诊断骨疾病的准确性和速度.

更多相关视频

Author Spotlight: Enhancing Accuracy and Reproducibility in Whole Bone Bending Tests
04:20

Author Spotlight: Enhancing Accuracy and Reproducibility in Whole Bone Bending Tests

Published on: September 1, 2023

749
Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

395

相关实验视频

Last Updated: Jun 20, 2026

Outer-Boundary Assisted Segmentation and Quantification of Trabecular Bones by an Imagej Plugin
09:36

Outer-Boundary Assisted Segmentation and Quantification of Trabecular Bones by an Imagej Plugin

Published on: March 14, 2018

9.3K
Author Spotlight: Enhancing Accuracy and Reproducibility in Whole Bone Bending Tests
04:20

Author Spotlight: Enhancing Accuracy and Reproducibility in Whole Bone Bending Tests

Published on: September 1, 2023

749
Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

395

科学领域:

  • 生物医学工程 生物医学工程
  • 材料科学 材料科学 材料科学
  • 医疗成像医学成像

背景情况:

  • 定量超声波在骨特征方面面临挑战,原因是波散,有限的数据和组织异质性.
  • 准确的骨属性评估对于诊断和治疗骨疾病和损伤至关重要.

研究的目的:

  • 开发和验证一种先进的反转技术,以使用定量超声波精确地表征骨性质.
  • 为了提高从双层骨模型中提取弹性特性和厚度的准确性和效率.

主要方法:

  • 采用了一个反转技术,结合了加权平均绝对标准和模拟化.
  • 使用加权参数的L1规范来减轻超声波数据中的异常值和噪声.
  • 一个非对称的方案和光谱拼接方法被用于高效的前建模和减少搜索域.

主要成果:

  • 拟议的方法在双层模型中准确估计了皮质骨和软组织的厚度和弹性特性.
  • 通过模拟和实体数据的验证证实了该技术的高精度.
  • 非对称方案显著提高了反转过程的速度和精度.

结论:

  • 开发的定量超声波逆转技术为准确的骨特征提供了一个有希望的方法.
  • 这种方法在临床诊断和骨相关疾病的治疗规划中具有潜在的应用.
  • 这些发现有助于推进非侵入性骨评估方法.