2022 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC),
Journal Year:
2022,
Volume and Issue:
unknown, P. 164 - 169
Published: Nov. 7, 2022
Finite
Impulse
Response
(FIR)
digital
filters
are
widely
used
in
signal
processing
and
other
engineering
because
of
their
strict
stability
linear
phase.
Aiming
at
the
problems
low
accuracy
weak
optimization
ability
traditional
method
to
design
filter,
newly
proposed
Grey
Wolf
Optimization
(GWO)
algorithm
is
this
paper
a
linear-phase
FIR
filter
obtain
optimal
transition-band
sample
value
frequency
sampling
minimum
stop-band
attenuation,
so
as
improve
performance
filter.
And
improved
by
embedding
Lévy
Flight
(LF),
which
modified
Lévy-embedded
GWO
(LGWO).
Finally,
methods
algorithms
LGWO
compared.
When
number
points
65
97,
stopband
attenuation
0.2029
dB
0.2454
respectively
compared
with
algorithm.
The
better
shown
results.
IEEE Access,
Journal Year:
2023,
Volume and Issue:
12, P. 22991 - 23028
Published: Aug. 14, 2023
The
Grey
Wolf
Optimizer
(GWO)
has
emerged
as
one
of
the
most
captivating
swarm
intelligence
methods,
drawing
inspiration
from
hunting
behavior
wolf
packs.
GWO's
appeal
lies
in
its
remarkable
characteristics:
it
is
parameter-free,
derivative-free,
conceptually
simple,
user-friendly,
adaptable,
flexible,
and
robust.
Its
efficacy
been
demonstrated
across
a
wide
range
optimization
problems
diverse
domains,
including
engineering,
bioinformatics,
biomedical,
scheduling
planning,
business.
Given
substantial
growth
effectiveness
GWO,
essential
to
conduct
recent
review
provide
updated
insights.
This
delves
into
GWO-related
research
conducted
between
2019
2022,
encompassing
over
200
articles.
It
explores
GWO
terms
publications,
citations,
domains
that
leverage
potential.
thoroughly
examines
latest
versions
categorizing
them
based
on
their
contributions.
Additionally,
highlights
primary
applications
with
computer
science
engineering
emerging
dominant
domains.
A
critical
analysis
accomplishments
limitations
presented,
offering
valuable
Finally,
concludes
brief
summary
outlines
potential
future
developments
theory
applications.
Researchers
seeking
employ
problem-solving
tool
will
find
this
comprehensive
immensely
beneficial
advancing
endeavors.
Bioengineering,
Journal Year:
2023,
Volume and Issue:
10(4), P. 439 - 439
Published: March 31, 2023
The
coronavirus
pandemic
emerged
in
early
2020
and
turned
out
to
be
deadly,
killing
a
vast
number
of
people
all
around
the
world.
Fortunately,
vaccines
have
been
discovered,
they
seem
effectual
controlling
severe
prognosis
induced
by
virus.
reverse
transcription-polymerase
chain
reaction
(RT-PCR)
test
is
current
golden
standard
for
diagnosing
different
infectious
diseases,
including
COVID-19;
however,
it
not
always
accurate.
Therefore,
extremely
crucial
find
an
alternative
diagnosis
method
which
can
support
results
RT-PCR
test.
Hence,
decision
system
has
proposed
this
study
that
uses
machine
learning
deep
techniques
predict
COVID-19
patient
using
clinical,
demographic
blood
markers.
data
used
research
were
collected
from
two
Manipal
hospitals
India
custom-made,
stacked,
multi-level
ensemble
classifier
diagnosis.
Deep
such
as
neural
networks
(DNN)
one-dimensional
convolutional
(1D-CNN)
also
utilized.
Further,
explainable
artificial
(XAI)
Shapley
additive
values
(SHAP),
ELI5,
local
interpretable
model
explainer
(LIME),
QLattice
make
models
more
precise
understandable.
Among
algorithms,
stacked
obtained
excellent
accuracy
96%.
precision,
recall,
f1-score
AUC
94%,
95%,
94%
98%
respectively.
initial
screening
patients
help
ease
existing
burden
on
medical
infrastructure.
Journal of X-Ray Science and Technology,
Journal Year:
2023,
Volume and Issue:
31(3), P. 483 - 509
Published: Feb. 28, 2023
COVID-19
is
the
most
dangerous
virus,
and
its
accurate
diagnosis
saves
lives
slows
spread.
However,
takes
time
requires
trained
professionals.
Therefore,
developing
a
deep
learning
(DL)
model
on
low-radiated
imaging
modalities
like
chest
X-rays
(CXRs)
needed.The
existing
DL
models
failed
to
diagnose
other
lung
diseases
accurately.
This
study
implements
multi-class
CXR
segmentation
classification
network
(MCSC-Net)
detect
using
images.Initially,
hybrid
median
bilateral
filter
(HMBF)
applied
images
reduce
image
noise
enhance
infected
regions.
Then,
skip
connection-based
residual
network-50
(SC-ResNet50)
used
segment
(localize)
The
features
from
CXRs
are
further
extracted
robust
feature
neural
(RFNN).
Since
initial
contain
joint
COVID-19,
normal,
pneumonia
bacterial,
viral
properties,
conventional
methods
fail
separate
class
of
each
disease-based
feature.
To
extract
distinct
class,
RFNN
includes
disease-specific
attention
mechanism
(DSFSAM).
Furthermore,
hunting
nature
Hybrid
whale
optimization
algorithm
(HWOA)
select
best
in
class.
Finally,
deep-Q-neural
(DQNN)
classifies
into
multiple
disease
classes.The
proposed
MCSC-Net
shows
enhanced
accuracy
99.09%
for
2-class,
99.16%
3-class,
99.25%
4-class
compared
state-of-art
approaches.The
enables
conduct
tasks
applying
with
high
accuracy.
Thus,
together
gold-standard
clinical
laboratory
tests,
this
new
method
promising
be
future
practice
evaluate
patients.
Results in Control and Optimization,
Journal Year:
2023,
Volume and Issue:
11, P. 100215 - 100215
Published: Feb. 17, 2023
COVID-19
is
a
rapidly
spread
infectious
disease
caused
by
severe
acute
respiratory
syndrome
that
can
lead
to
death
in
just
few
days.
Thus,
early
detection
provide
more
time
for
successful
treatment
or
action,
even
though
an
efficient
unknown
so
far.
In
this
context,
work
proposes
and
investigates
four
ensemble
CNNs
using
transfer
learning
compares
them
with
state-of-art
CNN
architectures.
To
select
which
models
use
we
tested
11
architectures:
DenseNet121,
DenseNet169,
DenseNet201,
VGG16,
VGG19,
Xception,
ResNet50,
ResNet50v2,
InceptionV3,
MobileNet,
MobileNetv2.
We
used
public
dataset
comprised
of
2477
computerized
tomography
images
divided
into
two
classes:
patients
diagnosed
negative
diagnosis.
Then
three
architectures
were
selected:
Xception.
Finally,
the
all
possible
combinations.
The
results
showed
tend
present
best
results.
Moreover,
CNN,
called
EnsenbleDVX,
comprising
CNNs,
provides
achieving
average
accuracy
97.7%,
precision
recall
97.8%,
F1
score
97.7%
Journal of Computing Theories and Applications,
Journal Year:
2023,
Volume and Issue:
1(1), P. 19 - 30
Published: Aug. 30, 2023
Convolutional
neural
network
(CNN)
is
a
deep
learning
(DL)
model
that
has
significantly
contributed
to
medical
systems
because
it
very
useful
in
digital
image
processing.
However,
CNN
several
limitations,
such
as
being
prone
overfitting,
not
properly
trained
if
there
data
duplication,
and
can
cause
unwanted
results
an
imbalance
the
amount
of
each
class.
Data
augmentation
techniques
are
used
overcome
eliminate
random
under
sampling
methods
balance
class,
these
problems.
In
addition,
designed
properly,
computation
less
efficient.
Research
proved
prevent
or
eliminating
duplicate
make
more
stable,
balancing
makes
unbiased
easy
learn
new
evidenced
through
evaluation
testing.
The
also
show
custom
convolutional
best
compared
ResNet50
VGG19
terms
accuracy,
precision,
recall,
F1-score,
loss
performance,
time
efficiency