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Related Concept Videos

Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

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Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
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Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

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Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's...
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Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

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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,...
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Temperature Measurement Sites01:14

Temperature Measurement Sites

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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...
2.5K
Thermosensation01:43

Thermosensation

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Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
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Assessing Body Temperature - Rectal01:27

Assessing Body Temperature - Rectal

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Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...
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Towards human distance estimation using a thermal sensor array.

Abdallah Naser1, Ahmad Lotfi1, Joni Zhong2

  • 1Nottingham Trent University, Nottingham, England.

Neural Computing & Applications
|June 21, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a novel, low-cost method for estimating human distance indoors using low-resolution thermal sensors. This approach enhances privacy and safety in applications like social distancing and elder care.

Keywords:
Adaptive systemArtificial neural networkDistance estimationHuman-centred approachSemantic segmentationThermal sensor array

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Area of Science:

  • Computer Vision
  • Sensor Technology
  • Artificial Intelligence

Background:

  • Human distance estimation is crucial for applications like elder care and social distancing systems.
  • Existing methods using visual or high-resolution thermal cameras face privacy and cost limitations.
  • There is a need for accurate, private, and affordable indoor human distance estimation.

Purpose of the Study:

  • To propose a novel approach for indoor human distance estimation using low-resolution thermal sensors.
  • To develop discrete and continuous distance estimation methods adaptable to sensor placement.
  • To introduce a real-time field of view classification and human height measurement application.

Main Methods:

  • Utilizing a low-resolution thermal sensor array for indoor human-centered applications.
  • Implementing classification techniques for discrete distance estimation and artificial neural networks for continuous estimation.
  • Developing a novel image-based feature for real-time distance-based field of view classification.
  • Adapting the continuous distance estimator for human height measurement.

Main Results:

  • The proposed system achieves a median overall error of [insert value] m for continuous distance estimation.
  • Discrete distance estimation achieved an accuracy of [insert value]%.
  • The approach was validated across diverse indoor environments and participant groups.

Conclusions:

  • The novel low-resolution thermal sensor approach offers a viable, privacy-preserving alternative for indoor human distance estimation.
  • The developed discrete and continuous estimation methods, along with the field of view classification, are effective.
  • The system demonstrates potential for applications in elder care, public health, and human anthropometry.