Frontiers in Medicine,
Journal Year:
2020,
Volume and Issue:
7
Published: Dec. 23, 2020
The
coronavirus
disease
2019
(COVID-19)
pandemic
continues
to
have
a
tremendous
impact
on
patients
and
healthcare
systems
around
the
world.
In
fight
against
this
novel
disease,
there
is
pressing
need
for
rapid
effective
screening
tools
identify
infected
with
COVID-19,
end
CT
imaging
has
been
proposed
as
one
of
key
methods
which
may
be
used
complement
RT-PCR
testing,
particularly
in
situations
where
undergo
routine
scans
non-COVID-19
related
reasons,
worsening
respiratory
status
or
developing
complications
that
require
expedited
care,
are
suspected
COVID-19-positive
but
negative
test
results.
Early
studies
CT-based
reported
abnormalities
chest
images
characteristic
COVID-19
infection,
these
difficult
distinguish
from
caused
by
other
lung
conditions.
Motivated
this,
study
we
introduce
COVIDNet-CT,
deep
convolutional
neural
network
architecture
tailored
detection
cases
via
machine-driven
design
exploration
approach.
Additionally,
COVIDx-CT,
benchmark
image
dataset
derived
data
collected
China
National
Center
Bioinformation
comprising
104,009
across
1,489
patient
cases.
Furthermore,
interest
reliability
transparency,
leverage
an
explainability-driven
performance
validation
strategy
investigate
decision-making
behavior
doing
so
ensure
COVIDNet-CT
makes
predictions
based
relevant
indicators
images.
Both
COVIDx-CT
available
general
public
open-source
open
access
manner
part
COVID-Net
initiative.
While
not
yet
production-ready
solution,
hope
releasing
model
will
encourage
researchers,
clinicians,
citizen
scientists
alike
build
upon
them.
European Respiratory Journal,
Journal Year:
2020,
Volume and Issue:
56(2), P. 2000775 - 2000775
Published: May 22, 2020
Coronavirus
disease
2019
(COVID-19)
has
spread
globally,
and
medical
resources
become
insufficient
in
many
regions.
Fast
diagnosis
of
COVID-19
finding
high-risk
patients
with
worse
prognosis
for
early
prevention
resource
optimisation
is
important.
Here,
we
proposed
a
fully
automatic
deep
learning
system
diagnostic
prognostic
analysis
by
routinely
used
computed
tomography.
We
retrospectively
collected
5372
tomography
images
from
seven
cities
or
provinces.
Firstly,
4106
were
to
pre-train
the
system,
making
it
learn
lung
features.
Following
this,
1266
(924
(471
had
follow-up
>5
days)
342
other
pneumonia)
six
provinces
enrolled
train
externally
validate
performance
system.
In
four
external
validation
sets,
achieved
good
identifying
pneumonia
(AUC
0.87
0.88,
respectively)
viral
0.86).
Moreover,
succeeded
stratify
into
high-
low-risk
groups
whose
hospital-stay
time
significant
difference
(p=0.013
p=0.014,
respectively).
Without
human
assistance,
automatically
focused
on
abnormal
areas
that
showed
consistent
characteristics
reported
radiological
findings.
Deep
provides
convenient
tool
fast
screening
potential
patients,
which
may
be
helpful
before
show
severe
symptoms.
Applied Intelligence,
Journal Year:
2020,
Volume and Issue:
51(3), P. 1690 - 1700
Published: Oct. 9, 2020
Covid-19
is
a
rapidly
spreading
viral
disease
that
infects
not
only
humans,
but
animals
are
also
infected
because
of
this
disease.
The
daily
life
human
beings,
their
health,
and
the
economy
country
affected
due
to
deadly
common
disease,
till
now,
single
can
prepare
vaccine
for
COVID-19.
A
clinical
study
COVID-19
patients
has
shown
these
types
mostly
from
lung
infection
after
coming
in
contact
with
Chest
x-ray
(i.e.,
radiography)
chest
CT
more
effective
imaging
technique
diagnosing
lunge
related
problems.
Still,
substantial
lower
cost
process
comparison
CT.
Deep
learning
most
successful
machine
learning,
which
provides
useful
analysis
large
amount
images
critically
impact
on
screening
Covid-19.
In
work,
we
have
taken
PA
view
scans
covid-19
as
well
healthy
patients.
After
cleaning
up
applying
data
augmentation,
used
deep
learning-based
CNN
models
compared
performance.
We
Inception
V3,
Xception,
ResNeXt
examined
accuracy.
To
analyze
model
performance,
6432
samples
been
collected
Kaggle
repository,
out
5467
were
training
965
validation.
result
analysis,
Xception
gives
highest
accuracy
97.97%)
detecting
X-rays
other
models.
This
work
focuses
possible
methods
classifying
does
claim
any
medical
npj Digital Medicine,
Journal Year:
2021,
Volume and Issue:
4(1)
Published: Jan. 4, 2021
Abstract
Effective
screening
of
SARS-CoV-2
enables
quick
and
efficient
diagnosis
COVID-19
can
mitigate
the
burden
on
healthcare
systems.
Prediction
models
that
combine
several
features
to
estimate
risk
infection
have
been
developed.
These
aim
assist
medical
staff
worldwide
in
triaging
patients,
especially
context
limited
resources.
We
established
a
machine-learning
approach
trained
records
from
51,831
tested
individuals
(of
whom
4769
were
confirmed
COVID-19).
The
test
set
contained
data
subsequent
week
(47,401
3624
Our
model
predicted
results
with
high
accuracy
using
only
eight
binary
features:
sex,
age
≥60
years,
known
contact
an
infected
individual,
appearance
five
initial
clinical
symptoms.
Overall,
based
nationwide
publicly
reported
by
Israeli
Ministry
Health,
we
developed
detects
cases
simple
accessed
asking
basic
questions.
framework
be
used,
among
other
considerations,
prioritize
testing
for
when
resources
are
limited.
IEEE Access,
Journal Year:
2020,
Volume and Issue:
8, P. 149808 - 149824
Published: Jan. 1, 2020
Detecting
COVID-19
early
may
help
in
devising
an
appropriate
treatment
plan
and
disease
containment
decisions.
In
this
study,
we
demonstrate
how
transfer
learning
from
deep
models
can
be
used
to
perform
detection
using
images
three
most
commonly
medical
imaging
modes
X-Ray,
Ultrasound,
CT
scan.
The
aim
is
provide
over-stressed
professionals
a
second
pair
of
eyes
through
intelligent
image
classification
models.
We
identify
suitable
Convolutional
Neural
Network
(CNN)
model
initial
comparative
study
several
popular
CNN
then
optimize
the
selected
VGG19
for
modalities
show
highly
scarce
challenging
datasets.
highlight
challenges
(including
dataset
size
quality)
utilizing
current
publicly
available
datasets
developing
useful
it
adversely
impacts
trainability
complex
also
propose
pre-processing
stage
create
trustworthy
testing
new
approach
aimed
reduce
unwanted
noise
so
that
focus
on
detecting
diseases
with
specific
features
them.
Our
results
indicate
Ultrasound
superior
accuracy
compared
X-Ray
scans.
experimental
limited
data,
deeper
networks
struggle
train
well
provides
less
consistency
over
are
using.
model,
which
extensively
tuned
parameters,
performs
considerable
levels
against
pneumonia
or
normal
all
lung
precision
up
86%
100%
84%
IEEE Sensors Journal,
Journal Year:
2021,
Volume and Issue:
21(14), P. 16301 - 16314
Published: April 30, 2021
With
the
increase
of
COVID-19
cases
worldwide,
an
effective
way
is
required
to
diagnose
patients.
The
primary
problem
in
diagnosing
patients
shortage
and
reliability
testing
kits,
due
quick
spread
virus,
medical
practitioners
are
facing
difficulty
identifying
positive
cases.
second
real-world
share
data
among
hospitals
globally
while
keeping
view
privacy
concerns
organizations.
Building
a
collaborative
model
preserving
major
for
training
global
deep
learning
model.
This
paper
proposes
framework
that
collects
small
amount
from
different
sources
(various
hospitals)
trains
using
blockchain
based
federated
learning.
Blockchain
technology
authenticates
organization.
First,
we
propose
normalization
technique
deals
with
heterogeneity
as
gathered
having
kinds
CT
scanners.
Secondly,
use
Capsule
Network-based
segmentation
classification
detect
Thirdly,
design
method
can
collaboratively
train
privacy.
Additionally,
collected
real-life
data,
which
is,
open
research
community.
proposed
utilize
up-to-date
improves
recognition
computed
tomography
(CT)
images.
Finally,
our
results
demonstrate
better
performance