An emotion recognition method based on frequency-domain features of PPG
Zhibin Zhu,
No information about this author
Xuanyi Wang,
No information about this author
Yifei Xu
No information about this author
et al.
Frontiers in Physiology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 25, 2025
This
study
aims
to
employ
physiological
model
simulation
systematically
analyze
the
frequency-domain
components
of
PPG
signals
and
extract
their
key
features.
The
efficacy
these
features
in
effectively
distinguishing
emotional
states
will
also
be
investigated.
A
dual
windkessel
was
employed
signal
frequency
distinctive
Experimental
data
collection
encompassed
both
(PPG)
psychological
measurements,
with
subsequent
analysis
involving
distribution
patterns
statistical
testing
(U-tests)
examine
feature-emotion
relationships.
implemented
support
vector
machine
(SVM)
classification
evaluate
feature
effectiveness,
complemented
by
comparative
using
pulse
rate
variability
(PRV)
features,
morphological
DEAP
dataset.
results
demonstrate
significant
differentiation
responses
arousal
valence
variations,
achieving
accuracies
87.5%
81.4%,
respectively.
Validation
on
dataset
yielded
consistent
73.5%
(arousal)
71.5%
(valence).
Feature
fusion
incorporating
proposed
enhanced
performance,
surpassing
90%
accuracy.
uses
modeling
We
effectiveness
emotion
recognition
reveal
relationships
among
parameters,
states.
These
findings
advance
understanding
mechanisms
provide
a
foundation
for
future
research.
Language: Английский
A Review of Machine Learning-Based Assessment of Depression
Zhao Wang,
No information about this author
Ziyi Cai,
No information about this author
Shuya Dong
No information about this author
et al.
Communications in computer and information science,
Journal Year:
2025,
Volume and Issue:
unknown, P. 266 - 290
Published: Jan. 1, 2025
Language: Английский
Emotion recognition via affective EEG signals: State of the art
Neurocomputing,
Journal Year:
2025,
Volume and Issue:
unknown, P. 130418 - 130418
Published: May 1, 2025
Language: Английский
Systematic mapping study of tools to identify emotions and personality traits
Discover Artificial Intelligence,
Journal Year:
2025,
Volume and Issue:
5(1)
Published: May 16, 2025
Language: Английский
Impact of AI-Powered Adaptive Learning Platforms on English Reading Proficiency: Evidence from Structural Equation Modeling
Jin Wu,
No information about this author
Yiyun Wang,
No information about this author
Fang Chen
No information about this author
et al.
IEEE Access,
Journal Year:
2025,
Volume and Issue:
13, P. 88230 - 88242
Published: Jan. 1, 2025
Language: Английский
Fractal Analysis of Electrodermal Activity for Emotion Recognition: A Novel Approach Using Detrended Fluctuation Analysis and Wavelet Entropy
Sensors,
Journal Year:
2024,
Volume and Issue:
24(24), P. 8130 - 8130
Published: Dec. 19, 2024
The
field
of
emotion
recognition
from
physiological
signals
is
a
growing
area
research
with
significant
implications
for
both
mental
health
monitoring
and
human–computer
interaction.
This
study
introduces
novel
approach
to
detecting
emotional
states
based
on
fractal
analysis
electrodermal
activity
(EDA)
signals.
We
employed
detrended
fluctuation
(DFA),
Hurst
exponent
estimation,
wavelet
entropy
calculation
extract
features
EDA
obtained
the
CASE
dataset,
which
contains
recordings
continuous
annotations
30
participants.
revealed
differences
in
across
five
(neutral,
amused,
bored,
relaxed,
scared),
particularly
those
derived
entropy.
A
cross-correlation
showed
robust
correlations
between
arousal
valence
dimensions
emotion,
challenging
conventional
view
as
predominantly
arousal-indicating
measure.
application
machine
learning
classification
using
achieved
leave-one-subject-out
accuracy
84.3%
an
F1
score
0.802,
surpassing
performance
previous
methods
same
dataset.
demonstrates
potential
capturing
intricate,
multi-scale
dynamics
recognition,
opening
new
avenues
advancing
emotion-aware
systems
affective
computing
applications.
Language: Английский