BMC Medical Informatics and Decision Making,
Год журнала:
2023,
Номер
23(1)
Опубликована: Июль 6, 2023
Abstract
Deep
learning
models
have
been
widely
used
in
electroencephalogram
(EEG)
analysis
and
obtained
excellent
performance.
But
the
adversarial
attack
defense
for
them
should
be
thoroughly
studied
before
putting
into
safety-sensitive
use.
This
work
exposes
an
important
safety
issue
deep-learning-based
brain
disease
diagnostic
systems
by
examining
vulnerability
of
deep
diagnosing
epilepsy
with
electrical
activity
mappings
(BEAMs)
to
white-box
attacks.
It
proposes
two
methods,
Gradient
Perturbations
BEAMs
(GPBEAM),
Differential
Evolution
(GPBEAM-DE),
which
generate
EEG
samples,
first
time
perturbing
densely
sparsely
respectively,
find
that
these
BEAMs-based
samples
can
easily
mislead
models.
The
experiments
use
data
from
CHB-MIT
dataset
types
victim
each
has
four
different
neural
network
(DNN)
architectures.
is
shown
that:
(1)
BEAM-based
produced
proposed
methods
this
paper
are
aggressive
BEAM-related
as
input
internal
DNN
architectures,
but
unaggressive
EEG-related
raw
top
success
rate
attacking
up
0.8
while
only
0.01;
(2)
GPBEAM-DE
outperforms
GPBEAM
when
they
same
model
under
a
distortion
constraint,
former
0.59
latter;
(3)
simple
modification
GPBEAM/GPBEAM-DE
will
make
it
aggressiveness
both
BEAMs-related
(with
0.64),
capacity
enhancement
done
without
any
cost
increment.
goal
study
not
medical
systems,
raise
concerns
about
hope
lead
safer
design.
Cluster Computing,
Год журнала:
2024,
Номер
27(8), С. 11187 - 11212
Опубликована: Май 20, 2024
Abstract
The
early
and
accurate
diagnosis
of
brain
tumors
is
critical
for
effective
treatment
planning,
with
Magnetic
Resonance
Imaging
(MRI)
serving
as
a
key
tool
in
the
non-invasive
examination
such
conditions.
Despite
advancements
Computer-Aided
Diagnosis
(CADx)
systems
powered
by
deep
learning,
challenge
accurately
classifying
from
MRI
scans
persists
due
to
high
variability
tumor
appearances
subtlety
early-stage
manifestations.
This
work
introduces
novel
adaptation
EfficientNetv2
architecture,
enhanced
Global
Attention
Mechanism
(GAM)
Efficient
Channel
(ECA),
aimed
at
overcoming
these
hurdles.
enhancement
not
only
amplifies
model’s
ability
focus
on
salient
features
within
complex
images
but
also
significantly
improves
classification
accuracy
tumors.
Our
approach
distinguishes
itself
meticulously
integrating
attention
mechanisms
that
systematically
enhance
feature
extraction,
thereby
achieving
superior
performance
detecting
broad
spectrum
Demonstrated
through
extensive
experiments
large
public
dataset,
our
model
achieves
an
exceptional
high-test
99.76%,
setting
new
benchmark
MRI-based
classification.
Moreover,
incorporation
Grad-CAM
visualization
techniques
sheds
light
decision-making
process,
offering
transparent
interpretable
insights
are
invaluable
clinical
assessment.
By
addressing
limitations
inherent
previous
models,
this
study
advances
field
medical
imaging
analysis
highlights
pivotal
role
enhancing
interpretability
learning
models
diagnosis.
research
sets
stage
advanced
CADx
systems,
patient
care
outcomes.
BMC Medical Imaging,
Год журнала:
2023,
Номер
23(1)
Опубликована: Ноя. 22, 2023
Abstract
Background
The
purpose
of
this
study
is
to
investigate
the
use
radiomics
and
deep
features
obtained
from
multiparametric
magnetic
resonance
imaging
(mpMRI)
for
grading
prostate
cancer.
We
propose
a
novel
approach
called
multi-flavored
feature
extraction
or
tensor,
which
combines
four
mpMRI
images
using
eight
different
fusion
techniques
create
52
datasets
each
patient.
evaluate
effectiveness
in
cancer
compare
it
traditional
methods.
Methods
used
PROSTATEx-2
dataset
consisting
111
patients’
T2W-transverse,
T2W-sagittal,
DWI,
ADC
images.
merge
T2W,
images,
namely
Laplacian
Pyramid,
Ratio
low-pass
pyramid,
Discrete
Wavelet
Transform,
Dual-Tree
Complex
Curvelet
Fusion,
Weighted
Principal
Component
Analysis.
Prostate
were
manually
segmented,
extracted
Pyradiomics
library
Python.
also
an
Autoencoder
extraction.
five
sets
train
classifiers:
all
features,
linked
with
PCA,
combination
features.
processed
data,
including
balancing,
standardization,
correlation,
Least
Absolute
Shrinkage
Selection
Operator
(LASSO)
regression.
Finally,
we
nine
classifiers
classify
Gleason
grades.
Results
Our
results
show
that
SVM
classifier
PCA
achieved
most
promising
results,
AUC
0.94
balanced
accuracy
0.79.
Logistic
regression
performed
best
when
only
0.93
0.76.
Gaussian
Naive
Bayes
had
lower
performance
compared
other
classifiers,
while
KNN
high
PCA.
Random
Forest
well
achieving
Voting
showed
higher
2
highest
performance,
0.95
0.78.
Conclusion
concludes
proposed
tensor
can
be
effective
method
findings
suggest
may
more
than
alone
accurately
classifying
Journal of X-Ray Science and Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
Objective
The
goal
of
this
study
is
to
assess
the
effectiveness
a
hybrid
deep
learning
model
that
combines
3D
Auto-encoders
with
attention
mechanisms
detect
lung
cancer
early
from
CT
scan
images.
aims
improve
diagnostic
accuracy,
sensitivity,
and
specificity
by
focusing
on
key
features
in
scans.
Materials
methods
A
was
developed
feature
extraction
using
Auto-encoder
networks
mechanisms.
First,
tested
without
attention,
selection
techniques
such
as
RFE,
LASSO,
ANOVA.
This
followed
evaluation
several
classifiers:
SVM,
RF,
GBM,
MLP,
LightGBM,
XGBoost,
Stacking,
Voting.
model's
performance
evaluated
based
F1-Score,
AUC-ROC.
After
that,
were
added
help
focus
important
areas
scans,
re-assessed.
Results
achieved
an
accuracy
93%
sensitivity
89%.
When
added,
improved
across
all
metrics.
For
example,
SVM
increased
94%,
91%,
AUC-ROC
0.96.
Random
Forest
(RF)
also
showed
improvements,
rising
94%
0.93.
final
overall
93.4%,
90.2%,
94.1%.
These
results
highlight
role
identifying
most
relevant
for
accurate
classification.
Conclusions
proposed
model,
especially
addition
mechanisms,
significantly
improves
detection
cancer.
By
mechanism
helps
reduce
false
negatives
boosts
accuracy.
approach
has
great
potential
use
clinical
applications,
particularly
early-stage
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Ноя. 8, 2023
Abstract
Medical
imaging
is
considered
a
suitable
alternative
testing
method
for
the
detection
of
lung
diseases.
Many
researchers
have
been
working
to
develop
various
methods
that
aided
in
prevention
To
better
understand
condition
disease
infection,
chest
X-Ray
and
CT
scans
are
utilized
check
disease’s
spread
throughout
lungs.
This
study
proposes
an
automated
system
multi
diseases
scans.
A
customized
convolutional
neural
network
(CNN)
two
pre-trained
deep
learning
models
with
new
image
enhancement
model
proposed
classification.
The
comprises
main
steps:
pre-processing,
algorithm
developed
pre-processing
step
using
k-symbol
Lerch
transcendent
functions
which
images
based
on
pixel
probability.
While,
classification
step,
CNN
architecture
Alex
Net,
VGG16Net
developed.
approach
was
tested
publicly
available
datasets
(CT,
dataset),
results
showed
accuracy,
sensitivity,
specificity
98.60%,
98.40%,
98.50%
dataset,
respectively,
98.80%,
98.50%,
98.40%
respectively.
Overall,
obtained
highlight
advantages
as
first
processing.
International Journal of Medical Informatics,
Год журнала:
2025,
Номер
195, С. 105806 - 105806
Опубликована: Янв. 23, 2025
Segmentation
models
for
clinical
data
experience
severe
performance
degradation
when
trained
on
a
single
client
from
one
domain
and
distributed
to
other
clients
different
domain.
Federated
Learning
(FL)
provides
solution
by
enabling
multi-party
collaborative
learning
without
compromising
the
confidentiality
of
clients'
private
data.
In
this
paper,
we
propose
cross-domain
FL
method
Weakly
Supervised
Semantic
(FL-W3S)
white
blood
cells
in
microscopic
images.
We
perform
model
training
multiple
with
distributions
obtain
global
aggregated
using
only
image-level
class
labels
semantic
segmentation
cells.
A
multi-class
token
transformer
learns
relationship
between
patch
tokens
during
generates
class-specific
localization
maps
mask
predictions.
To
rectify
maps,
use
patch-level
pairwise
affinity
obtained
patch-to-patch
attention.
evaluate
proposed
two
datasets
domains.
Our
experimental
results
show
that
datasets,
there
is
2.56%
1.39%
increase
over
existing
state-of-the-art
methods.
The
combination
federated
while
preserving
privacy,
alongside
cell
techniques
precise
identification,
enhances
diagnostic
accuracy
personalized
treatment
strategies
applications,
particularly
hematology
pathology.
More
specifically,
it
involves
isolating
smear
further
analysis
such
as
automated
counting,
morphological
analysis,
classification,
disease
diagnosis
monitoring.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 26, 2025
In
response
to
the
pressing
need
for
detection
of
Monkeypox
caused
by
virus
(MPXV),
this
study
introduces
Enhanced
Spatial-Awareness
Capsule
Network
(ESACN),
a
architecture
designed
precise
multi-class
classification
dermatological
images.
Addressing
shortcomings
traditional
Machine
Learning
and
Deep
models,
our
ESACN
model
utilizes
dynamic
routing
spatial
hierarchy
capabilities
CapsNets
differentiate
complex
patterns
such
as
those
seen
in
monkeypox,
chickenpox,
measles,
normal
skin
presentations.
CapsNets'
inherent
ability
recognize
process
crucial
relationships
within
images
outperforms
conventional
CNNs,
particularly
tasks
that
require
distinction
visually
similar
classes.
Our
model's
superior
performance,
demonstrated
through
rigorous
evaluation,
exhibits
significant
improvements
accuracy,
precision,
recall,
F1
score,
even
with
limited
data.
The
results
highlight
potential
reliable
tool
enhancing
diagnostic
accuracy
medical
settings.
case
study,
was
applied
dataset
comprising
659
across
four
classes:
178
Monkeypox,
171
Chickenpox,
80
Measles,
230
Normal
conditions.
This
underscores
effectiveness
real-world
applications,
providing
robust
accurate
could
greatly
aid
early
diagnosis
treatment
planning
clinical
environments.