简化4D心脏图像工作流程:用于细分,注册和可视化的开源工具
Jilei Hao1, Paul A Yushkevich1, Ningjun J Dong1
1University of Pennsylvania, Philadelphia PA 19104, USA.
概括
本文介绍了三个新的开源软件工具ITK-SNAP 4,Greedy Propagation和Scherzo,旨在简化四维 (4D) 心脏成像数据的分析,提高研究人员的效率.
科学领域:
- 医疗成像医学成像
- 计算生物学 计算生物学
- 软件开发 软件开发
背景情况:
- 四维 (4D) 心脏成像为动态心脏结构提供了关键的见解.
- 当前的3D软件工具对高效的4D数据分析提出了挑战,需要额外的用户努力.
- 需要针对4D心脏成像工作流程进行优化的专用,用户友好的软件.
研究的目的:
- 介绍和描述三个新的开源软件应用程序,专门开发用于4D心脏成像分析.
- 为了简化图像输入/输出,可视化,细分,注册和为4D心脏数据生成模型的过程.
- 为研究人员提供高效和易于使用的工具来探索复杂的4D心脏动态.
主要方法:
- 开发了三个不同的软件应用程序:ITK-SNAP 4用于I/O和细分,Greedy Propagation用于注册和创建4D细分,以及Scherzo用于基于Web的4D模型生成.
- 专注于本地4D优化,确保精简的用户体验和全面的功能集.
- 测试和验证核心功能,以证明不同4D心脏图像格式的可行性和一致性.
主要成果:
- 成功开发和实施ITK-SNAP 4,贪的传播和Scherzo作为原生4D优化的工具.
- 证明了高效的4D图像输入/输出,可视化,细分和注册的能力.
- 验证基于网络的快速4D模型生成和可视化,支持广泛的文件类型,包括常见的4D心脏格式.
- 实验结果证实了开发软件核心功能的可行性和一致性.
结论:
- 引入的开源软件套件为4D心脏成像分析提供了重大进展.
- 与传统方法相比,这些工具提供了更完整,更有效的用户体验.
- 开发的应用程序将通过改进的4D数据处理来促进对心脏结构动态的更深入的理解和探索.
相关概念视频
Streamlines, Streaklines, and Pathlines
2.0K
A streamline represents the trajectory that is always tangent to the fluid's velocity vector at any given point. The velocity of a fluid particle is always directed along the streamline, ensuring the particle continuously follows the streamline's path. Streamlines are particularly useful for visualizing the overall direction of flow in a fluid system, and they provide an instantaneous representation of the flow's velocity field. In steady flow, where conditions do not change over...
2.0K
Bernoulli's Equation for Flow Along a Streamline
1.5K
Bernoulli's equation relates the energy conservation in a fluid moving along a streamline. The equation applies to incompressible and inviscid fluids under steady flow. For such a flow, Newton's second law is applied to a small fluid element, which experiences forces due to pressure differences, gravity, and velocity variations. The force balance leads to the following form of Bernoulli's equation:
1.5K
Bernoulli's Equation for Flow Normal to a Streamline
1.3K
Bernoulli's equation for flow normal to a streamline explains how pressure varies across curved streamlines due to the outward centrifugal forces induced by the fluid's curvature. The pressure is higher on the inner side of the curve, near the center of curvature, and decreases outward to balance these centrifugal forces.
The pressure difference depends on the fluid's velocity and radius of curvature. The pressure variation is minimal in flows with nearly straight streamlines. However, the...
The pressure difference depends on the fluid's velocity and radius of curvature. The pressure variation is minimal in flows with nearly straight streamlines. However, the...
1.3K
Sinusoidal Sources
1.2K
Direct current (DC) refers to an electric current that flows in a single direction, maintaining a constant polarity. This is in contrast to alternating current (AC), which periodically changes its direction and magnitude. AC forms the backbone of modern electricity transmission and distribution systems due to its efficient long-distance transmission capabilities.
In homes, the power supplies use sinusoidal sources to provide electricity. These sources generate a voltage that varies sinusoidally...
In homes, the power supplies use sinusoidal sources to provide electricity. These sources generate a voltage that varies sinusoidally...
1.2K
AC Sources
4.1K
Direct current is a flow of electric charge in only one direction and has a steady state of constant voltage in the circuit. Rectifiers, batteries, commutator-equipped generators, and fuel cells are some examples of devices that generate direct current. Nowadays, most applications use a time-varying voltage source. Alternating current is a flow of electric charge that periodically reverses direction. An alternating current is produced by an alternating emf that is generated in a power plant. If...
4.1K
Sources of Law
1.9K
Laws form the essential rules set by governing authorities to shape and control societal behavior. In nursing, laws guide actions, safeguard patient rights, define nurses' scope of practice, and maintain professional standards. Understanding the legal framework governing nursing involves recognizing four primary sources of law: constitutional, statutory, administrative (regulatory), and common law.
Constitutional law is foundational, deriving from federal and state constitutions, and...
Constitutional law is foundational, deriving from federal and state constitutions, and...
1.9K


