Electroretinogram Analysis Using a Short-Time Fourier Transform and Machine Learning Techniques
Bioengineering,
Journal Year:
2024,
Volume and Issue:
11(9), P. 866 - 866
Published: Aug. 26, 2024
Electroretinography
(ERG)
is
a
non-invasive
method
of
assessing
retinal
function
by
recording
the
retina's
response
to
brief
flash
light.
This
study
focused
on
optimizing
ERG
waveform
signal
classification
utilizing
Short-Time
Fourier
Transform
(STFT)
spectrogram
preprocessing
with
machine
learning
(ML)
decision
system.
Several
window
functions
different
sizes
and
overlaps
were
compared
enhance
feature
extraction
concerning
specific
ML
algorithms.
The
obtained
spectrograms
employed
train
deep
models
alongside
manual
for
more
classical
models.
Our
findings
demonstrated
superiority
Visual
Transformer
architecture
Hamming
function,
showcasing
its
advantage
in
classification.
Also,
as
result,
we
recommend
RF
algorithm
scenarios
necessitating
extraction,
particularly
Boxcar
(rectangular)
or
Bartlett
functions.
By
elucidating
optimal
methodologies
classification,
this
contributes
advancing
diagnostic
capabilities
analysis
clinical
settings.
Language: Английский
A Future Picture: A Review of Current Generative Adversarial Neural Networks in Vitreoretinal Pathologies and Their Future Potentials
Raheem Remtulla,
No information about this author
Adam Samet,
No information about this author
Merve Kulbay
No information about this author
et al.
Biomedicines,
Journal Year:
2025,
Volume and Issue:
13(2), P. 284 - 284
Published: Jan. 24, 2025
Machine
learning
has
transformed
ophthalmology,
particularly
in
predictive
and
discriminatory
models
for
vitreoretinal
pathologies.
However,
generative
modeling,
especially
adversarial
networks
(GANs),
remains
underexplored.
GANs
consist
of
two
neural
networks—the
generator
discriminator—that
work
opposition
to
synthesize
highly
realistic
images.
These
synthetic
images
can
enhance
diagnostic
accuracy,
expand
the
capabilities
imaging
technologies,
predict
treatment
responses.
have
already
been
applied
fundus
imaging,
optical
coherence
tomography
(OCT),
fluorescein
autofluorescence
(FA).
Despite
their
potential,
face
challenges
reliability
accuracy.
This
review
explores
GAN
architecture,
advantages
over
other
deep
models,
clinical
applications
retinal
disease
diagnosis
monitoring.
Furthermore,
we
discuss
limitations
current
propose
novel
combining
with
OCT,
OCT-angiography,
angiography,
electroretinograms,
visual
fields,
indocyanine
green
angiography.
Language: Английский
Comparison of Bioelectric Signals and Their Applications in Artificial Intelligence: A Review
Juarez-Castro Flavio Alfonso,
No information about this author
Toledo-Rios Juan Salvador,
No information about this author
Marco Antonio Aceves-Fernández
No information about this author
et al.
Computers,
Journal Year:
2025,
Volume and Issue:
14(4), P. 145 - 145
Published: April 11, 2025
This
review
examines
the
role
of
various
bioelectrical
signals
in
conjunction
with
artificial
intelligence
(AI)
and
analyzes
how
these
are
utilized
AI
applications.
The
applications
electroencephalography
(EEG),
electroretinography
(ERG),
electromyography
(EMG),
electrooculography
(EOG),
electrocardiography
(ECG)
diagnostic
therapeutic
systems
focused
on.
Signal
processing
techniques
discussed,
relevant
studies
that
have
clinical
research
settings
highlighted.
Advances
signal
classification
methodologies
powered
by
significantly
improved
accuracy
efficiency
medical
analysis.
integration
algorithms
for
real-time
monitoring
diagnosis,
particularly
personalized
medicine,
is
emphasized.
AI-driven
approaches
shown
to
potential
enhance
precision
improve
patient
outcomes.
However,
further
needed
optimize
models
diverse
environments
fully
exploit
interaction
between
technologies.
Language: Английский
Synthetic electroretinogram signal generation using a conditional generative adversarial network
Documenta Ophthalmologica,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 16, 2025
Abstract
Purpose
The
electroretinogram
(ERG)
records
the
functional
response
of
retina.
In
some
neurological
conditions,
ERG
waveform
may
be
altered
and
could
support
biomarker
discovery.
heterogeneous
or
rare
populations,
where
either
large
data
sets
availability
a
challenge,
synthetic
signals
with
Artificial
Intelligence
(AI)
help
to
mitigate
against
these
factors
classification
models.
Methods
This
approach
was
tested
using
publicly
available
dataset
real
ERGs,
n
=
560
(ASD)
498
(Control)
recorded
at
9
different
flash
strengths
from
18
ASD
(mean
age
12.2
±
2.7
years)
31
Controls
11.8
3.3
that
were
augmented
waveforms,
generated
through
Conditional
Generative
Adversarial
Network.
Two
deep
learning
models
used
classify
groups
only
combined
ERGs.
One
Time
Series
Transformer
(with
waveforms
in
their
original
form)
second
Visual
model
utilizing
images
wavelets
derived
Continuous
Wavelet
Transform
Model
performance
classifying
evaluated
Balanced
Accuracy
(BA)
as
main
outcome
measure.
Results
BA
improved
0.756
0.879
when
ERGs
included
across
all
recordings
for
training
Transformer.
also
achieved
best
0.89
single
strength
0.95
log
cd
s
m
−2
.
Conclusions
supports
application
AI
improve
group
recordings.
Language: Английский
Spectral Analysis of Light-Adapted Electroretinograms in Neurodevelopmental Disorders: Classification with Machine Learning
Bioengineering,
Journal Year:
2024,
Volume and Issue:
12(1), P. 15 - 15
Published: Dec. 28, 2024
Electroretinograms
(ERGs)
show
differences
between
typically
developing
populations
and
those
with
a
diagnosis
of
autism
spectrum
disorder
(ASD)
or
attention
deficit/hyperactivity
(ADHD).
In
series
ERGs
collected
in
ASD
(n
=
77),
ADHD
43),
+
21),
control
137)
groups,
this
analysis
explores
the
use
machine
learning
feature
selection
techniques
to
improve
classification
these
clinically
defined
groups.
Standard
time
domain
signal
features
were
evaluated
different
models.
For
classification,
balanced
accuracy
(BA)
0.87
was
achieved
for
male
participants.
ADHD,
BA
0.84
female
When
three-group
model
(ASD,
control)
lower,
at
0.70,
fell
further
0.53
when
all
groups
included
control).
The
findings
support
role
ERG
establishing
broad
two-group
but
model's
performance
depends
upon
sex
is
limited
multiple
classes
are
modeling.
Language: Английский