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相关概念视频

Temperature Measurement Sites01:14

Temperature Measurement Sites

1.6K
A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
1.6K
Distance Corrections01:15

Distance Corrections

26
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
26
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

978
Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
978

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相关实验视频

Updated: Jun 12, 2025

In Situ Surface Temperature Measurement in a Conveyor Belt Furnace via Inline Infrared Thermography
07:03

In Situ Surface Temperature Measurement in a Conveyor Belt Furnace via Inline Infrared Thermography

Published on: May 30, 2020

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从多个中同时进行温度估计和不均性校正.

Navot Oz, Omri Berman, Nir Sochen

    IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
    |September 17, 2024
    PubMed
    概括
    此摘要是机器生成的。

    这项研究引入了一种新的深度学习方法,用于在低成本的红外摄像头中准确地估计温度和纠正不均性. 该方法通过利用多个和环境温度数据,显著提高了实际应用中的可用性.

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    Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
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    Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere
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    相关实验视频

    Last Updated: Jun 12, 2025

    In Situ Surface Temperature Measurement in a Conveyor Belt Furnace via Inline Infrared Thermography
    07:03

    In Situ Surface Temperature Measurement in a Conveyor Belt Furnace via Inline Infrared Thermography

    Published on: May 30, 2020

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    Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 计算机视觉 计算机视觉
    • 机器学习 机器学习

    背景情况:

    • 红外 (IR) 摄像头对于农业,医学和安全等各个领域的温度测量至关重要.
    • 低成本的基于微波仪的红外摄像机具有潜力,但存在不均性和温度偏移,限制了它们的实际使用.
    • 现有的方法往往在不完善的框架注册和准确的温度偏移估计方面扎.

    研究的目的:

    • 开发一种新的方法,用于在低成本的红外摄像头中同时进行温度估计和不均性校正 (NUC).
    • 为了解决基于微波仪的红外成像中漂移和空间不均的局限性.
    • 为了提高可负担的红外摄像机的温度测量的准确性和可靠性.

    主要方法:

    • 开发了一个深度学习架构,即内核预测网络 (KPN),集成相机的物理图像获取模型.
    • 该方法处理多个IR,容纳不完善的注册,以执行同时的温度估计和NUC.
    • 引入了一种新的偏移块,以结合环境温度,以改进相机偏移估计.

    主要成果:

    • 发现温度估计和NUC的准确性受到使用数量的显著影响.
    • 与标准的KPN相比,拟议的抵消区块显著提高了性能.
    • 与科学级摄像机相比,对无人机 (UAV) 的真实数据进行测试显示,与科学级摄像机相比,平均误差最小 (0.27-0.54°C).

    结论:

    • 开发的方法为低成本红外摄像机的同时温度估计和NUC提供了准确和高效的解决方案.
    • 这种技术克服了基于微波仪的红外摄像机的主要局限性,扩大了它们的适用性.
    • 这些发现对提高各种实际应用中的温度监测具有重大意义.