PLoS ONE,
Год журнала:
2024,
Номер
19(12), С. e0314391 - e0314391
Опубликована: Дек. 20, 2024
In
the
contemporary
context
of
a
burgeoning
energy
crisis,
accurate
and
dependable
prediction
Solar
Radiation
(SR)
has
emerged
as
an
indispensable
component
within
thermal
systems
to
facilitate
renewable
generation.
Machine
Learning
(ML)
models
have
gained
widespread
recognition
for
their
precision
computational
efficiency
in
addressing
SR
challenges.
Consequently,
this
paper
introduces
innovative
model,
denoted
Cheetah
Optimizer-Random
Forest
(CO-RF)
model.
The
CO
plays
pivotal
role
selecting
most
informative
features
hourly
forecasting,
subsequently
serving
inputs
RF
efficacy
developed
CO-RF
model
is
rigorously
assessed
using
two
publicly
available
datasets.
Evaluation
metrics
encompassing
Mean
Absolute
Error
(MAE),
Squared
(MSE),
coefficient
determination
(
R
2
)
are
employed
validate
its
performance.
Quantitative
analysis
demonstrates
that
surpasses
other
techniques,
Logistic
Regression
(LR),
Support
Vector
(SVM),
Artificial
Neural
Network,
standalone
Random
(RF),
both
training
testing
phases
prediction.
proposed
outperforms
others,
achieving
low
MAE
0.0365,
MSE
0.0074,
0.9251
on
first
dataset,
0.0469,
0.0032,
0.9868
second
demonstrating
significant
error
reduction.
IEEE Access,
Год журнала:
2024,
Номер
12, С. 113888 - 113897
Опубликована: Янв. 1, 2024
Clinical
methods
for
dementia
detection
are
expensive
and
prone
to
human
errors.
Despite
various
computer-aided
using
electroencephalography
(EEG)
signals
artificial
intelligence,
a
consistent
separation
of
Alzheimer's
disease
(AD)
normal-control
(NC)
subjects
remains
elusive.
This
paper
proposes
low-complexity
EEG-based
AD
CNN
called
LEADNet
generate
disease-specific
features.
employs
spatiotemporal
EEG
as
input,
two
convolution
layers
feature
generation,
max-pooling
layer
asymmetric
redundancy
reduction,
fully-connected
nonlinear
transformation
selection,
softmax
probability
prediction.
Different
quantitative
measures
calculated
an
open-source
dataset
compare
four
pre-trained
models.
The
results
show
that
the
lightweight
architecture
has
at
least
150-fold
reduction
in
network
parameters
highest
testing
accuracy
98.75%
compared
investigation
individual
showed
successive
improvements
selection
separating
NC
subjects.
A
comparison
with
state-of-the-art
models
accuracy,
sensitivity,
specificity
were
achieved
by
model.
Journal of Translational Medicine,
Год журнала:
2025,
Номер
23(1)
Опубликована: Март 10, 2025
Abstract
Background
Advancements
in
artificial
intelligence
(AI)
and
machine
learning
(ML)
have
revolutionized
the
medical
field
transformed
translational
medicine.
These
technologies
enable
more
accurate
disease
trajectory
models
while
enhancing
patient-centered
care.
However,
challenges
such
as
heterogeneous
datasets,
class
imbalance,
scalability
remain
barriers
to
achieving
optimal
predictive
performance.
Methods
This
study
proposes
a
novel
AI-based
framework
that
integrates
Gradient
Boosting
Machines
(GBM)
Deep
Neural
Networks
(DNN)
address
these
challenges.
The
was
evaluated
using
two
distinct
datasets:
MIMIC-IV,
critical
care
database
containing
clinical
data
of
critically
ill
patients,
UK
Biobank,
which
comprises
genetic,
clinical,
lifestyle
from
500,000
participants.
Key
performance
metrics,
including
Accuracy,
Precision,
Recall,
F1-Score,
AUROC,
were
used
assess
against
traditional
advanced
ML
models.
Results
proposed
demonstrated
superior
compared
classical
Logistic
Regression,
Random
Forest,
Support
Vector
(SVM),
Networks.
For
example,
on
Biobank
dataset,
model
achieved
an
AUROC
0.96,
significantly
outperforming
(0.92).
also
efficient,
requiring
only
32.4
s
for
training
with
low
prediction
latency,
making
it
suitable
real-time
applications.
Conclusions
effectively
addresses
medicine,
offering
accuracy
efficiency.
Its
robust
across
diverse
datasets
highlights
its
potential
integration
into
decision
support
systems,
facilitating
personalized
medicine
improving
patient
outcomes.
Future
research
will
focus
interpretability
broader
Cognitive Neurodynamics,
Год журнала:
2025,
Номер
19(1)
Опубликована: Май 10, 2025
Abstract
Alzheimer's
disease
(AD)
is
a
common
cause
of
dementia.
We
aimed
to
develop
computationally
efficient
yet
accurate
feature
engineering
model
for
AD
detection
based
on
electroencephalography
(EEG)
signal
inputs.
New
method:
retrospectively
analyzed
the
EEG
records
134
and
113
non-AD
patients.
To
generate
multilevel
features,
discrete
wavelet
transform
was
used
decompose
input
EEG-signals.
devised
novel
quantum-inspired
EEG-signal
extraction
function
7-distinct
different
subgraphs
Goldner-Harary
pattern
(GHPat),
selectively
assigned
specific
subgraph,
using
forward-forward
distance-based
fitness
function,
each
block
textural
extraction.
extracted
statistical
features
standard
moments,
which
we
then
merged
with
features.
Other
components
were
iterative
neighborhood
component
analysis
selection,
shallow
k-nearest
neighbors,
as
well
majority
voting
greedy
algorithm
additional
voted
prediction
vectors
select
best
overall
results.
With
leave-one-subject-out
cross-validation
(LOSO
CV),
our
attained
88.17%
accuracy.
Accuracy
results
stratified
by
channel
lead
placement
brain
regions
suggested
P4
parietal
region
be
most
impactful.
Comparison
existing
methods:
The
proposed
outperforms
methods
achieving
higher
accuracy
approach,
ensuring
robustness
generalizability.
Cortex
maps
generated
that
allowed
visual
correlation
channel-wise
various
regions,
enhancing
explainability.