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相关概念视频

Deformation of Member under Multiple Loadings01:11

Deformation of Member under Multiple Loadings

163
When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
163
Temperature Dependent Deformation01:12

Temperature Dependent Deformation

147
In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added...
147
Naming Skeletal Muscles01:19

Naming Skeletal Muscles

2.0K
The naming of the approximately 700 muscles in the human body is based on a set of criteria designed to provide descriptive information about each muscle, making it easier to identify and remember them.
The key factors used in naming muscles include:
2.0K
Genome Annotation and Assembly03:36

Genome Annotation and Assembly

18.8K
The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
18.8K
Bone Markings01:26

Bone Markings

5.2K
Bones have various surface features that help form joints and attach to other soft tissues. Depending on the function, bone markings are categorized into articulating projections, processes for attachment, depressions, and openings.
Articulating Projections
Articulating projections are found where two bones meet to form a joint. These structures are usually found at the ends of bones. The largest articulation is a rounded projection called the head, supported by a narrow neck at the ends of...
5.2K
Introduction to the Skeletal System01:20

Introduction to the Skeletal System

5.5K
The skeletal system is the central framework of the body, consisting of different connective tissues: bones, cartilage, tendons, and ligaments.
Components of the Skeletal System
Bone, or osseous tissue, is a hard connective tissue that forms an internal support structure for the human body. Bones shield vulnerable organs and soft tissue from external forces. For example, the vertebral bones protect and support the spinal cord.
Cartilage, a semi-rigid connective tissue found in regions such as...
5.5K

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相关实验视频

Updated: Jun 21, 2025

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
09:32

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

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使用自由形态变形进行有效的肌肉骨注释.

Norio Fukuda1, Shoji Konda1,2, Jun Umehara1,3

  • 1Center for Information and Neural Networks (CiNet), Advanced ICT Research Institute, National Institute of Information and Communications Technology (NICT), 1-4 Yamadaoka, Suita, Osaka, 565-0871, Japan.

Scientific reports
|July 11, 2024
PubMed
概括

一个新的工具允许非专家有效地创建用于医学成像的肌肉细分数据集. 这降低了成本,加速了自动细分网络的发展,实现了高精度.

关键词:
数据集的创建数据集的创建深度学习是一种深度学习.自由形式变形的变形.医学图像 医学图像肌肉的分段化 肌肉的分段化非专家的非专家.

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3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue
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3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

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Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
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Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping

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相关实验视频

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Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

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科学领域:

  • 医疗成像医学成像
  • 深度学习 (Deep Learning) 是一种深度学习.
  • 解剖学建模 解剖学建模

背景情况:

  • 用于训练深度学习模型的手动肌肉细分是劳动密集型和昂贵的.
  • 当前方法的可扩展性受到专家注释者的需求的限制.

研究的目的:

  • 开发和评估一种新型工具,用于有效的,非专家辅助的医学图像注释,用于肌肉细分.
  • 评估使用此工具生成的数据集训练的深度学习模型的性能.

主要方法:

  • 开发了一个用户友好的工具,使用3D解剖模板模型的自由形式变形.
  • 非专家使用该工具来适应模板以定位磁共振图像 (MRI).
  • 使用该工具创建的数据集训练了一个自动细分网络.

主要成果:

  • 与专家细分相比,非专家注释实现了Dice系数> 0.75.
  • 工具辅助的细分显示出最小的错误,例如错误标签或遗漏.
  • 用工具生成的数据训练的深度学习模型的表现与用专家数据训练的模型相比或更好.

结论:

  • 开发的工具大大减少了创建肌肉细分数据集的时间和劳动力成本.
  • 这种方法使医疗图像注释民主化,使临床深度学习应用程序的开发速度更快.
  • 该工具可为自动肌肉细分创建高效的数据集,从而有可能改变医学图像分析.