Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Vision01:24

Vision

60.3K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
60.3K
Fatigue01:21

Fatigue

865
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
865
Real Time RT-PCR02:57

Real Time RT-PCR

65.4K
Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...
65.4K
Color Vision01:24

Color Vision

1.5K
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
1.5K
Physiology of Emotion01:20

Physiology of Emotion

3.5K
The physiology of emotions is a multifaceted process involving the autonomic nervous system, brain structures, hormones, and neurotransmitters. This intricate interplay dictates how emotions manifest in the body and influence behavior.
Autonomic Nervous System
The autonomic nervous system (ANS) plays a critical role in emotional responses by regulating involuntary physiological functions. It consists of two main components: the sympathetic and parasympathetic systems. The sympathetic system...
3.5K
Emotional Expression01:26

Emotional Expression

1.1K
Emotional expression encompasses how individuals convey their emotions through verbal communication and non-verbal cues. These non-verbal actions include facial expressions, body language, and physical gestures, such as frowning or smiling. Among these, facial expressions play a crucial role in emotional expression and are understood universally, indicating a biological basis for how humans communicate emotions.
Universal Facial Expressions
Psychologist Paul Ekman identified seven basic...
1.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Assessing the Sensitivity and Efficiency of Laser-Induced Breakdown Spectroscopy (LIBS) for High-Concentration Cadmium Detection in Cocoa Powder.

Sensors (Basel, Switzerland)·2025
Same author

AI-driven balance evaluation: a comparative study between blind and non-blind individuals using the mini-BESTest.

PeerJ. Computer science·2025
Same author

Dual-Band Infrared Scheimpflug Lidar Reveals Insect Activity in a Tropical Cloud Forest.

Applied spectroscopy·2023
See all related articles

Related Experiment Video

Updated: Feb 14, 2026

Experimental Paradigm for Measuring the Effect of Induced Emotion on Grammar Learning
05:33

Experimental Paradigm for Measuring the Effect of Induced Emotion on Grammar Learning

Published on: January 29, 2020

6.5K

Driver Monitoring System Using Computer Vision for Real-Time Detection of Fatigue, Distraction and Emotion via Facial

Tamia Zambrano1, Luis Arias1, Edgar Haro1

  • 1Departamento de Automatización y Control Industrial, Escuela Politécnica Nacional, Quito 170525, Ecuador.

Sensors (Basel, Switzerland)
|February 13, 2026
PubMed
Summary

This study developed a real-time driver monitoring system using AI to detect fatigue and distraction. The system achieved high accuracy in identifying drowsiness and emotions, enhancing driving safety.

Keywords:
Eye Aspect Ratio (EAR)Mouth Aspect Ratio (MAR)deep learningdistraction detectiondriver monitoring systemdrowsiness detectionemotion recognition

More Related Videos

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
16:08

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition

Published on: February 1, 2012

16.9K
Real-Time Electrocardiogram Monitoring During Treadmill Training in Mice
04:45

Real-Time Electrocardiogram Monitoring During Treadmill Training in Mice

Published on: May 5, 2022

3.0K

Related Experiment Videos

Last Updated: Feb 14, 2026

Experimental Paradigm for Measuring the Effect of Induced Emotion on Grammar Learning
05:33

Experimental Paradigm for Measuring the Effect of Induced Emotion on Grammar Learning

Published on: January 29, 2020

6.5K
Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
16:08

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition

Published on: February 1, 2012

16.9K
Real-Time Electrocardiogram Monitoring During Treadmill Training in Mice
04:45

Real-Time Electrocardiogram Monitoring During Treadmill Training in Mice

Published on: May 5, 2022

3.0K

Area of Science:

  • Computer Vision
  • Artificial Intelligence
  • Human-Computer Interaction

Background:

  • Road accidents are a major global cause of death.
  • Drowsiness and distraction contribute significantly to fatal car crashes, especially in regions like Ecuador.
  • Current driver monitoring systems often lack comprehensive analysis of driver state.

Purpose of the Study:

  • To develop and evaluate a real-time driver monitoring system using computer vision and deep learning.
  • To detect driver fatigue, distraction, and emotions from facial expressions.
  • To enhance road safety through intelligent behavior analysis and reduce accident rates.

Main Methods:

  • Utilized a MobileNetV2-based Convolutional Neural Network (CNN) trained on the RAF-DB dataset for emotion recognition.
  • Employed MediaPipe's 468 facial landmarks to calculate Eye Aspect Ratio (EAR), Mouth Aspect Ratio (MAR), gaze, and head pose.
  • Conducted tests with 27 participants in both real and simulated driving environments.

Main Results:

  • Achieved 100% accuracy in detecting driver distraction.
  • Demonstrated high accuracy in detecting yawning (85.19%) and eye closure (88.89%), indicators of fatigue.
  • Successfully recognized happiness (100%) and anger/disgust (96.3%), but showed limitations with sadness and fear detection.

Conclusions:

  • The developed system shows significant potential for real-time driver monitoring, effectively detecting key indicators of fatigue and distraction.
  • Integrating emotional awareness into driver monitoring systems can reduce false alarms and improve overall response accuracy.
  • This research supports the development of lightweight, non-invasive technologies for enhanced driving safety through intelligent driver behavior analysis.