COVID-19 recognition from chest X-ray images by combining deep learning with transfer learning
Changjiang Zhang,
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Lu-Ting Ruan,
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Li Ji
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et al.
Digital Health,
Journal Year:
2025,
Volume and Issue:
11
Published: Jan. 1, 2025
Objective
Based
on
the
current
research
status,
this
paper
proposes
a
deep
learning
model
named
Covid-DenseNet
for
COVID-19
detection
from
CXR
(computed
tomography)
images,
aiming
to
build
with
smaller
computational
complexity,
stronger
generalization
ability,
and
excellent
performance
benchmark
datasets
other
different
sample
distribution
features
sizes.
Methods
The
proposed
first
extracts
obtains
of
multiple
scales
input
image
through
transfer
learning,
followed
by
assigning
internal
weights
extracted
attention
mechanism
enhance
important
suppress
irrelevant
features;
finally,
fuses
these
multi-scale
fusion
architecture
we
designed
obtain
richer
semantic
information
improve
modeling
efficiency.
Results
We
evaluated
our
compared
it
advanced
models
three
publicly
available
chest
radiology
types,
one
which
is
baseline
dataset,
constructed
Covid-DenseNet,
recognition
accuracy
test
set
was
96.89%,
respectively.
With
98.02%
96.21%
two
datasets,
performs
better
than
models.
In
addition,
further
external
sets,
trained
data
sets
balanced
(experiment
1)
unbalanced
2),
identified
same
set,
DenseNet121.
in
experiment
1
2
80%
77.5%
respectively,
3.33%
4.17%
higher
that
DenseNet121
set.
On
basis,
also
changed
number
samples
2,
impact
change
training
results
showed
when
increased
became
more
abundant,
performed
robust.
Conclusion
Compared
models,
has
achieved
effect
quite
good,
good
robustness,
enrichment
features,
robustness
improved,
clinical
practice
ability.
Language: Английский
Radiologist-inspired Symmetric Local-Global Multi-Supervised Learning for early diagnosis of pneumoconiosis
Expert Systems with Applications,
Journal Year:
2025,
Volume and Issue:
unknown, P. 127173 - 127173
Published: March 1, 2025
Language: Английский
Computer-based quantitative image texture analysis using multi-collinearity diagnosis in chest X-ray images
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(4), P. e0320706 - e0320706
Published: April 14, 2025
Despite
tremendous
efforts
devoted
to
the
area,
image
texture
analysis
is
still
an
open
research
field.
This
paper
presents
algorithm
and
experimental
results
demonstrating
feasibility
of
developing
automated
tools
detect
abnormal
X-ray
images
based
on
tissue
attenuation.
Specifically,
this
work
proposes
using
variability
characterised
by
singular
values
conditional
indices
extracted
from
value
decomposition
(SVD)
as
features.
In
addition,
introduces
a
“tuning
weight"
parameter
consider
attenuation
in
tissues
affected
pathologies.
weight
estimated
coefficient
variation
minimum
covariance
determinant
bandwidth
yielded
non-parametric
distribution
variance-decomposition
proportions
SVD.
When
multiplied
two
features
(singular
indices),
single
acts
tuning
weight,
reducing
misclassification
improving
classic
performance
metrics,
such
true
positive
rate,
false
negative
predictive
values,
discovery
area-under-curve,
accuracy
total
cost.
The
proposed
method
implements
ensemble
bagged
trees
classification
model
classify
chest
COVID-19,
viral
pneumonia,
lung
opacity,
or
normal.
It
was
tested
challenging,
imbalanced
public
dataset.
show
88%
without
applying
99%
with
its
application.
outperforms
state-of-the-art
methods,
attested
all
metrics.
Language: Английский