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Related Concept Videos

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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Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

1.0K
Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
1.0K
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

855
Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
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Thermosensation01:43

Thermosensation

32.8K
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 - 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...
857

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Thermal Face Verification through Identification.

Artur Grudzień1, Marcin Kowalski1, Norbert Pałka1

  • 1Institute of Optoelectronics, Military University of Technology, 2 Gen. S. Kaliskiego St., 00-908 Warsaw, Poland.

Sensors (Basel, Switzerland)
|June 2, 2021
PubMed
Summary

This study introduces a novel double image approach for face verification using long-wavelength infrared radiation, achieving an 83% true acceptance rate. This method significantly outperforms existing techniques in thermal face recognition.

Keywords:
convolutional neural networksface verificationlong-wavelength infrared radiation

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Area of Science:

  • Computer Vision
  • Biometrics
  • Infrared Imaging

Background:

  • Face verification is crucial for security and identification.
  • Traditional methods face challenges with varying illumination and environmental conditions.
  • Long-wavelength infrared (LWIR) offers a robust alternative for face recognition due to its thermal signature.

Purpose of the Study:

  • To develop and evaluate a novel face verification method using long-wavelength infrared (LWIR) radiation.
  • To enhance the accuracy and robustness of face recognition systems.
  • To explore the potential of combining multiple face images for improved classification.

Main Methods:

  • A "double image" technique was proposed, combining two face images into a single input.
  • Neural networks were employed for classification of the combined double images.
  • Experiments were conducted using two external and one homemade thermal face databases under various conditions.

Main Results:

  • The proposed double image method achieved a true acceptance rate (TAR) of approximately 83%.
  • The method demonstrated superior performance, outperforming baseline methods by about 20 percentage points.
  • Analysis was performed on extending the performance of the algorithms.

Conclusions:

  • The novel double image approach shows significant promise for accurate face verification in the long-wavelength infrared spectrum.
  • This method offers a substantial improvement over existing baseline techniques.
  • The approach is potentially adaptable to other spectral ranges and biometric modalities beyond facial recognition.