BioMed Research International,
Journal Year:
2021,
Volume and Issue:
2021, P. 1 - 16
Published: April 15, 2021
The
COVID-19
pandemic
is
a
global,
national,
and
local
public
health
concern
which
has
caused
significant
outbreak
in
all
countries
regions
for
both
males
females
around
the
world.
Automated
detection
of
lung
infections
their
boundaries
from
medical
images
offers
great
potential
to
augment
patient
treatment
healthcare
strategies
tackling
its
impacts.
Detecting
this
disease
CT
scan
perhaps
one
fastest
ways
diagnose
patients.
However,
finding
presence
infected
tissues
segment
them
slices
faces
numerous
challenges,
including
similar
adjacent
tissues,
vague
boundary,
erratic
infections.
To
eliminate
these
obstacles,
we
propose
two-route
convolutional
neural
network
(CNN)
by
extracting
global
features
detecting
classifying
infection
images.
Each
pixel
image
classified
into
normal
tissues.
For
improving
classification
accuracy,
used
two
different
fuzzy
-means
clustering
directional
pattern
(LDN)
encoding
methods
represent
input
differently.
This
allows
us
find
more
complex
image.
overcome
overfitting
problems
due
small
samples,
an
augmentation
approach
utilized.
results
demonstrated
that
proposed
framework
achieved
precision
96%,
recall
97%,
id="M2">F
score,
average
surface
distance
(ASD)
id="M3">2.8±0.3
mm,
volume
overlap
error
(VOE)
id="M4">5.6±1.2%
.
Diagnostics,
Journal Year:
2021,
Volume and Issue:
11(8), P. 1384 - 1384
Published: July 31, 2021
Over
the
past
decade,
convolutional
neural
networks
(CNN)
have
shown
very
competitive
performance
in
medical
image
analysis
tasks,
such
as
disease
classification,
tumor
segmentation,
and
lesion
detection.
CNN
has
great
advantages
extracting
local
features
of
images.
However,
due
to
locality
convolution
operation,
it
cannot
deal
with
long-range
relationships
well.
Recently,
transformers
been
applied
computer
vision
achieved
remarkable
success
large-scale
datasets.
Compared
natural
images,
multi-modal
images
explicit
important
dependencies,
effective
fusion
strategies
can
greatly
improve
deep
models.
This
prompts
us
study
transformer-based
structures
apply
them
Existing
network
architectures
require
datasets
achieve
better
performance.
imaging
are
relatively
small,
which
makes
difficult
pure
analysis.
Therefore,
we
propose
TransMed
for
classification.
combines
transformer
efficiently
extract
low-level
establish
dependencies
between
modalities.
We
evaluated
our
model
on
two
datasets,
parotid
gland
tumors
classification
knee
injury
Combining
contributions,
an
improvement
10.1%
1.9%
average
accuracy,
respectively,
outperforming
other
state-of-the-art
CNN-based
The
results
proposed
method
promising
tremendous
potential
be
a
large
number
tasks.
To
best
knowledge,
this
is
first
work
IEEE Access,
Journal Year:
2021,
Volume and Issue:
9, P. 30551 - 30572
Published: Jan. 1, 2021
Novel
coronavirus
(COVID-19)
outbreak,
has
raised
a
calamitous
situation
all
over
the
world
and
become
one
of
most
acute
severe
ailments
in
past
hundred
years.
The
prevalence
rate
COVID-19
is
rapidly
rising
every
day
throughout
globe.
Although
no
vaccines
for
this
pandemic
have
been
discovered
yet,
deep
learning
techniques
proved
themselves
to
be
powerful
tool
arsenal
used
by
clinicians
automatic
diagnosis
COVID-19.
This
paper
aims
overview
recently
developed
systems
based
on
using
different
medical
imaging
modalities
like
Computer
Tomography
(CT)
X-ray.
review
specifically
discusses
provides
insights
well-known
data
sets
train
these
networks.
It
also
highlights
partitioning
various
performance
measures
researchers
field.
A
taxonomy
drawn
categorize
recent
works
proper
insight.
Finally,
we
conclude
addressing
challenges
associated
with
use
methods
detection
probable
future
trends
research
area.
aim
facilitate
experts
(medical
or
otherwise)
technicians
understanding
ways
are
regard
how
they
can
potentially
further
utilized
combat
outbreak
IEEE Access,
Journal Year:
2020,
Volume and Issue:
8, P. 179317 - 179335
Published: Jan. 1, 2020
Diagnosis
is
a
critical
preventive
step
in
Coronavirus
research
which
has
similar
manifestations
with
other
types
of
pneumonia.
CT
scans
and
X-rays
play
an
important
role
that
direction.
However,
processing
chest
images
using
them
to
accurately
diagnose
COVID-19
computationally
expensive
task.
Machine
Learning
techniques
have
the
potential
overcome
this
challenge.
This
article
proposes
two
optimization
algorithms
for
feature
selection
classification
COVID-19.
The
proposed
framework
three
cascaded
phases.
Firstly,
features
are
extracted
from
Convolutional
Neural
Network
(CNN)
named
AlexNet.
Secondly,
algorithm,
Guided
Whale
Optimization
Algorithm
(Guided
WOA)
based
on
Stochastic
Fractal
Search
(SFS),
then
applied
followed
by
balancing
selected
features.
Finally,
voting
classifier,
WOA
Particle
Swarm
(PSO),
aggregates
different
classifiers'
predictions
choose
most
voted
class.
increases
chance
individual
classifiers,
e.g.
Support
Vector
(SVM),
Networks
(NN),
k-Nearest
Neighbor
(KNN),
Decision
Trees
(DT),
show
significant
discrepancies.
Two
datasets
used
test
model:
containing
clinical
findings
positive
negative
algorithm
(SFS-Guided
compared
widely
recent
literature
validate
its
efficiency.
classifier
(PSO-Guided-WOA)
achieved
AUC
(area
under
curve)
0.995
superior
classifiers
terms
performance
metrics.
Wilcoxon
rank-sum,
ANOVA,
T-test
statistical
tests
statistically
assess
quality
as
well.
IEEE Journal of Biomedical and Health Informatics,
Journal Year:
2020,
Volume and Issue:
25(2), P. 441 - 452
Published: Dec. 4, 2020
Coronavirus
disease
2019
(COVID-19)
is
an
ongoing
global
pandemic
that
has
spread
rapidly
since
December
2019.
Real-time
reverse
transcription
polymerase
chain
reaction
(rRT-PCR)
and
chest
computed
tomography
(CT)
imaging
both
play
important
role
in
COVID-19
diagnosis.
Chest
CT
offers
the
benefits
of
quick
reporting,
a
low
cost,
high
sensitivity
for
detection
pulmonary
infection.
Recently,
deep-learning-based
computer
vision
methods
have
demonstrated
great
promise
use
medical
applications,
including
X-rays,
magnetic
resonance
imaging,
imaging.
However,
training
deep-learning
model
requires
large
volumes
data,
staff
faces
risk
when
collecting
data
due
to
infectivity
disease.
Another
issue
lack
experts
available
labeling.
In
order
meet
requirements
we
propose
image
synthesis
approach
based
on
conditional
generative
adversarial
network
can
effectively
generate
high-quality
realistic
images
tasks.
Experimental
results
show
proposed
method
outperforms
other
state-of-the-art
with
generated
indicates
promising
various
machine
learning
applications
semantic
segmentation
classification.
Expert Systems,
Journal Year:
2021,
Volume and Issue:
39(3)
Published: July 28, 2021
COVID-19
is
the
disease
evoked
by
a
new
breed
of
coronavirus
called
severe
acute
respiratory
syndrome
2
(SARS-CoV-2).
Recently,
has
become
pandemic
infecting
more
than
152
million
people
in
over
216
countries
and
territories.
The
exponential
increase
number
infections
rendered
traditional
diagnosis
techniques
inefficient.
Therefore,
many
researchers
have
developed
several
intelligent
techniques,
such
as
deep
learning
(DL)
machine
(ML),
which
can
assist
healthcare
sector
providing
quick
precise
diagnosis.
this
paper
provides
comprehensive
review
most
recent
DL
ML
for
studies
are
published
from
December
2019
until
April
2021.
In
general,
includes
200
that
been
carefully
selected
publishers,
IEEE,
Springer
Elsevier.
We
classify
research
tracks
into
two
categories:
present
public
datasets
established
extracted
different
countries.
measures
used
to
evaluate
methods
comparatively
analysed
proper
discussion
provided.
conclusion,
diagnosing
outbreak
prediction,
SVM
widely
mechanism,
CNN
mechanism.
Accuracy,
sensitivity,
specificity
measurements
previous
studies.
Finally,
will
guide
community
on
upcoming
development
inspire
their
works
future
development.
This
IEEE Access,
Journal Year:
2021,
Volume and Issue:
9, P. 36019 - 36037
Published: Jan. 1, 2021
The
chest
X-ray
is
considered
a
significant
clinical
utility
for
basic
examination
and
diagnosis.
human
lung
area
can
be
affected
by
various
infections,
such
as
bacteria
viruses,
leading
to
pneumonia.
Efficient
reliable
classification
method
facilities
the
diagnosis
of
infections.
Deep
transfer
learning
has
been
introduced
pneumonia
detection
from
X-rays
in
different
models.
However,
there
still
need
further
improvements
feature
extraction
advanced
stages.
This
paper
proposes
with
two
stages
classify
cases
images
based
on
proposed
Advanced
Squirrel
Search
Optimization
Algorithm
(ASSOA).
first
stage
processes
Convolutional
Neural
Network
(CNN)
model
named
ResNet-50
image
augmentation
dropout
processes.
ASSOA
algorithm
then
applied
extracted
features
selection
process.
Finally,
Multi-layer
Perceptron
(MLP)
Network's
connection
weights
are
optimized
(using
selected
features)
input
cases.
A
Kaggle
(Pneumonia)
dataset
consists
5,863
employed
experiments.
compared
(SS)
optimization
algorithm,
Grey
Wolf
Optimizer
(GWO),
Genetic
(GA)
validate
its
efficiency.
(ASSOA
+
MLP)
also
other
classifiers,
(SS
MLP),
(GWO
(GA
performance
metrics.
achieved
mean
accuracy
(99.26%).
MLP
(99.7%)
COVID-19
tested
GitHub.
results
statistical
tests
demonstrate
high
effectiveness
determining
infected