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相关概念视频

Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

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Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short...
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Generators convert mechanical energy into electrical energy, whereas motors convert electrical energy into mechanical energy. A motor works by sending a current through a loop of wire located in a magnetic field. As a result, the magnetic field exerts a torque on the loop. This rotates a shaft, extracting mechanical work from the electrical current sent in initially. When the coil of a motor is turned, magnetic flux changes through the coil, and an emf (consistent with Faraday's law) is...
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In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
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The Y-to-Y Circuit01:19

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In a balanced four-wire wye-to-wye system, the arrangement involves wye-connected sinusoidal voltage sources and loads, connected through a neutral wire that links the neutral nodes of the source and load. The load impedance is connected across each phase of the load. The wye-connected source can be connected to the wye-connected load in four-wire and three-wire arrangements. A three-phase system is considered balanced when the load on each phase is equal, leading to uniform current flow and...
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 Electrochemical measurements are conducted in an electrochemical cell composed of various components that control and measure the current and potential. One fundamental component is electrodes, conductive materials that enable electron transfer reactions at their surfaces.
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Updated: Jun 21, 2025

Simultaneous Scalp Electroencephalography EEG, Electromyography EMG, and Whole-body Segmental Inertial Recording for Multi-modal Neural Decoding
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EMG-YOLO:边缘计算设备的道路裂检测算法

Yan Xing1,2, Xu Han1, Xiaodong Pan3

  • 1School of Transportation and Surveying Engineering, Shenyang Jianzhu University, Shenyang, Liaoning, China.

Frontiers in neurorobotics
|July 17, 2024
PubMed
概括
此摘要是机器生成的。

这项研究介绍了EMG-YOLO,这是一款用于边缘设备的高效道路裂检测算法. 它通过优化其结构和损失函数来增强YOLOv5,提高准确性和减少计算负载,以便更好地维护道路.

关键词:
有效的脱头 脱头MPDIou 的意思是这是YOLOv5的.深度学习是一种深度学习.道路裂检测 道路裂检测

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科学领域:

  • 计算机视觉 计算机视觉
  • 人工智能的人工智能
  • 道路工程工程的道路工程.

背景情况:

  • 道路裂减少了基础设施的寿命,手动检测是低效的.
  • 现有的YOLOv5模型面临着噪音大数据和对边缘设备的高计算需求的挑战.
  • 边缘计算设备需要优化的模型来实时处理传感器数据.

研究的目的:

  • 提出一种新的道路裂检测算法,EMG-YOLO,专门为边缘计算环境设计.
  • 解决当前模型在处理质量差的传感器数据和计算负担方面的局限性.
  • 在资源有限的设备上提高道路裂检测的准确性和效率.

主要方法:

  • 在YOLOv5中实现了高效解头,以分离分类和本地化任务,减少计算负载.
  • 将损失函数升级为MPDIOU (Minimum Point Distance Intersection over Union),以最大限度地减少边界框点的差异.
  • 集成了GCC3模块用于全球上下文建模,取代了传统的卷积以改善特征表示.

主要成果:

  • EMG-YOLO在主流算法中表现出优越的性能,使YOLOv5的准确性提高了2.7%.
  • 在平均平均精度 (mAP) 中取得了显著的收益,在0.5的IoU值上增加2.9%,在0.9的IoU值上增加0.9%.
  • 该模型在边缘计算设备上的复杂环境中显示了增强的检测能力.

结论:

  • 在基于边缘的道路裂检测中,EMG-YOLO有效地解决了数据质量差和计算负担问题.
  • 该算法提供了更高的准确性和效率,特别是在具有挑战性的现实场景中.
  • 进一步的研究可以专注于为边缘AI应用程序开发更轻量级和更有效的对象检测模型.