Computers, materials & continua/Computers, materials & continua (Print),
Год журнала:
2024,
Номер
78(3), С. 3377 - 3390
Опубликована: Янв. 1, 2024
Pulmonary
nodules
are
small,
round,
or
oval-shaped
growths
on
the
lungs.
They
can
be
benign
(noncancerous)
malignant
(cancerous).
The
size
of
a
nodule
range
from
few
millimeters
to
centimeters
in
diameter.
Nodules
may
found
during
chest
X-ray
other
imaging
test
for
an
unrelated
health
problem.
In
proposed
methodology
pulmonary
classified
into
three
stages.
Firstly,
2D
histogram
thresholding
technique
is
used
identify
volume
segmentation.
An
ant
colony
optimization
algorithm
determine
optimal
threshold
value.
Secondly,
geometrical
features
such
as
lines,
arcs,
extended
and
ellipses
detect
oval
shapes.
Thirdly,
Histogram
Oriented
Surface
Normal
Vector
(HOSNV)
feature
descriptors
different
sizes
shapes
by
using
scaled
rotation-invariant
texture
description.
Smart
classification
was
performed
with
XGBoost
classifier.
results
tested
validated
Lung
Image
Consortium
Database
(LICD).
method
has
sensitivity
98.49%
sized
3–30
mm.
Computer Modeling in Engineering & Sciences,
Год журнала:
2024,
Номер
140(1), С. 1129 - 1142
Опубликована: Янв. 1, 2024
The
evaluation
of
disease
severity
through
endoscopy
is
pivotal
in
managing
patients
with
ulcerative
colitis,
a
condition
significant
clinical
implications.However,
endoscopic
assessment
susceptible
to
inherent
variations,
both
within
and
between
observers,
compromising
the
reliability
individual
evaluations.This
study
addresses
this
challenge
by
harnessing
deep
learning
develop
robust
model
capable
discerning
discrete
levels
severity.To
initiate
endeavor,
multi-faceted
approach
embarked
upon.The
dataset
meticulously
preprocessed,
enhancing
quality
discriminative
features
images
contrast
limited
adaptive
histogram
equalization
(CLAHE).A
diverse
array
data
augmentation
techniques,
encompassing
various
geometric
transformations,
leveraged
fortify
dataset's
diversity
facilitate
effective
feature
extraction.A
fundamental
aspect
involves
strategic
incorporation
transfer
principles,
modified
ResNet-50
architecture.This
augmentation,
informed
domain
expertise,
contributed
significantly
model's
classification
performance.The
outcome
research
endeavor
yielded
highly
promising
model,
demonstrating
an
accuracy
rate
86.85%,
coupled
recall
82.11%
precision
89.23%.
Accurate
disease
classification
utilizing
endoscopic
images
indeed
poses
a
significant
challenge
within
the
field
of
gastroenterology.
This
research
introduces
methodology
for
assisting
medical
diagnostic
procedures
and
detecting
gastrointestinal
(GI)
tract
diseases
by
categorizing
features
extracted
from
using
Vision
Transformer
(ViT)
models.
We
propose
three
ViT-inspired
models
classifying
GI
colon
acquired
through
wireless
capsule
endoscopy
(WCE).
The
highest
achieved
accuracy
among
our
is
97.83%.
conducted
comparative
analysis
with
pre-trained
CNN
(Convolutional
Neural
Network)
namely,
Xception,
DenseNet121,
MobileNet,
alongside
recent
papers
to
validate
findings.
Bioengineering,
Год журнала:
2024,
Номер
11(9), С. 894 - 894
Опубликована: Сен. 5, 2024
Diagnostic
imaging,
particularly
MRI,
plays
a
key
role
in
the
evaluation
of
many
spine
pathologies.
Recent
progress
artificial
intelligence
and
its
subset,
machine
learning,
has
led
to
applications
within
which
we
sought
examine
this
review.
A
literature
search
major
databases
(PubMed,
MEDLINE,
Web
Science,
ClinicalTrials.gov)
was
conducted
according
Preferred
Reporting
Items
for
Systematic
Reviews
Meta-Analyses
(PRISMA)
guidelines.
The
yielded
1226
results,
50
studies
were
selected
inclusion.
Key
data
from
these
extracted.
Studies
categorized
thematically
into
following:
Image
Acquisition
Processing,
Segmentation,
Diagnosis
Treatment
Planning,
Patient
Selection
Prognostication.
Gaps
proposed
areas
future
research
are
discussed.
Current
demonstrates
ability
improve
various
aspects
field,
image
acquisition
analysis
clinical
care.
We
also
acknowledge
limitations
current
technology.
Future
work
will
require
collaborative
efforts
order
fully
exploit
new
technologies
while
addressing
practical
challenges
generalizability
implementation.
In
particular,
use
foundation
models
large-language
MRI
is
promising
area,
warranting
further
research.
assessing
model
performance
real-world
settings
help
uncover
unintended
consequences
maximize
benefits
patient
Bioengineering,
Год журнала:
2025,
Номер
12(3), С. 275 - 275
Опубликована: Март 11, 2025
Skin
diseases
are
listed
among
the
most
frequently
encountered
diseases.
such
as
eczema,
melanoma,
and
others
necessitate
early
diagnosis
to
avoid
further
complications.
This
study
aims
enhance
of
skin
disease
by
utilizing
advanced
image
processing
techniques
an
attention-based
vision
approach
support
dermatologists
in
solving
classification
problems.
Initially,
is
being
passed
through
various
steps
quality
dataset.
These
adaptive
histogram
equalization,
binary
cross-entropy
with
implicit
averaging,
gamma
correction,
contrast
stretching.
Afterwards,
enhanced
images
for
performing
which
based
on
encoder
part
transformers
multi-head
attention.
Extensive
experimentation
performed
collect
results
two
publicly
available
datasets
show
robustness
proposed
approach.
The
evaluation
shows
competitive
compared
a
state-of-the-art
BMC Medical Informatics and Decision Making,
Год журнала:
2025,
Номер
25(1)
Опубликована: Март 31, 2025
Deep
learning
has
significantly
contributed
to
medical
imaging
and
computer-aided
diagnosis
(CAD),
providing
accurate
disease
classification
diagnosis.
However,
challenges
such
as
inter-
intra-class
similarities,
class
imbalance,
computational
inefficiencies
due
numerous
hyperparameters
persist.
This
study
aims
address
these
by
presenting
a
novel
deep-learning
framework
for
classifying
localizing
gastrointestinal
(GI)
diseases
from
wireless
capsule
endoscopy
(WCE)
images.
The
proposed
begins
with
dataset
augmentation
enhance
training
robustness.
Two
architectures,
Sparse
Convolutional
DenseNet201
Self-Attention
(SC-DSAN)
CNN-GRU,
are
fused
at
the
network
level
using
depth
concatenation
layer,
avoiding
costs
of
feature-level
fusion.
Bayesian
Optimization
(BO)
is
employed
dynamic
hyperparameter
tuning,
an
Entropy-controlled
Marine
Predators
Algorithm
(EMPA)
selects
optimal
features.
These
features
classified
Shallow
Wide
Neural
Network
(SWNN)
traditional
classifiers.
Experimental
evaluations
on
Kvasir-V1
Kvasir-V2
datasets
demonstrate
superior
performance,
achieving
accuracies
99.60%
95.10%,
respectively.
offers
improved
accuracy,
precision,
efficiency
compared
state-of-the-art
models.
addresses
key
in
GI
diagnosis,
demonstrating
its
potential
efficient
clinical
applications.
Future
work
will
explore
adaptability
additional
optimize
complexity
broader
deployment.
PeerJ Computer Science,
Год журнала:
2025,
Номер
11, С. e2809 - e2809
Опубликована: Апрель 22, 2025
Transfer
learning
is
a
valuable
tool
for
the
effective
assistance
of
gastroenterologists
in
powerful
diagnosis
medical
images
with
fast
convergence.
It
also
intends
to
minimize
time
and
estimated
effort
required
improved
gastrointestinal
tract
(GIT)
diagnosis.
GIT
abnormalities
are
widely
known
be
fatal
disorders
leading
significant
mortalities.
includes
both
upper
lower
disorders.
The
challenges
addressing
issues
complex
need
study.
Multiple
exist
regarding
computer-aided
(CAD)
endoscopy
including
lack
annotated
images,
dark
backgrounds,
less
contrast,
noisy
irregular
patterns.
Deep
transfer
have
assisted
various
ways.
goal
proposed
framework
classification
endoscopic
enhanced
accuracy.
research
aims
formulate
learning-based
deep
ensemble
model,
accurately
classifying
therapeutic
purposes.
model
based
on
weighted
voting
two
state-of-the-art
(STA)
base
models,
NasNet-Mobile
EfficientNet.
extraction
regions
interest,
specifically
sick
portions,
been
performed
using
captured
from
procedure.
Performance
evaluation
cross-dataset
evaluation.
datasets
utilized
include
training
dataset
HyperKvasir
test
datasets,
Kvasir
v1
v2.
However,
alone
cannot
create
robust
due
unequal
distribution
across
categories,
making
promising
approach
development.
has
conducted
by
utilizing
accuracy,
precision,
recall,
Area
under
curve
(AUC)
score
F1
performance
metrics.
work
outperforms
much
existing
models
giving
97.83%
98.45%
accuracy
SLAS TECHNOLOGY,
Год журнала:
2025,
Номер
unknown, С. 100304 - 100304
Опубликована: Май 1, 2025
With
the
intent
of
assisting
gastroenterologists
from
all
over
world,
proposed
work
aims
to
eliminate
effort
required
achieve
accurate
diagnoses.
Statistically,
gastrointestinal
diseases
often
result
in
fatal
disorders,
contributing
a
significant
number
fatalities.
The
upper
tract
(GIT)
includes
stomach,
esophagus,
and
duodenum,
while
lower
one
comprises
section
small
intestine,
namely
ileum,
as
well
large
including
colon.
challenges
associated
with
GIT
issues
are
apparently
complex.
Therefore,
multiple
exist
regarding
CAD
(Computer-aided
diagnosis)
endoscopy,
lack
annotated
images,
dark
background,
poor
contrast,
an
irregular
pattern.
objective
this
research
is
develop
robust
deep
network,
called
SNet,
that
offers
solution
complex
classification
problems.
Firstly,
endoscopic
images
undergo
preprocessing
before
being
subjected
feature
extraction.
This
step
involves
image
resizing
along
augmentation
step.
convolutional
neural
network
(CNN)
model
comprised
six
blocks
placed
at
different
layers.
To
enable
exhaustive
evaluation
framework
across
datasets,
has
undergone
training
on
very
HyperKvasir
dataset,
later
tested
Kvasir
v1
v2
datasets.
facilitates
cross-dataset
system
evaluation,
resulting
efficient
for
unseen
diagnosis.
avoid
problem
"curse
dimensionality",
most
discriminant
information
selected
based
minimum
redundancy
maximum
relevance
(MRMR)
algorithm.
architecture
been
evaluated
using
range
performance
metrics,
such
accuracy,
sensitivity,
specificity,
Area
under
curve
(AUC).
accuracy
main
metric,
achieved
98.45%
v1,
97.83%
Mathematics,
Год журнала:
2023,
Номер
11(24), С. 4937 - 4937
Опубликована: Дек. 12, 2023
Cancer
remains
a
formidable
global
health
challenge,
claiming
millions
of
lives
annually.
Timely
and
accurate
cancer
diagnosis
is
imperative.
While
numerous
reviews
have
explored
classification
using
machine
learning
deep
techniques,
scant
literature
focuses
on
traditional
ML
methods.
In
this
manuscript,
we
undertake
comprehensive
review
colorectal
gastric
detection
specifically
employing
classifiers.
This
emphasizes
the
mathematical
underpinnings
detection,
encompassing
preprocessing
feature
extraction,
classifiers,
performance
assessment
metrics.
We
provide
formulations
for
these
key
components.
Our
analysis
limited
to
peer-reviewed
articles
published
between
2017
2023,
exclusively
considering
medical
imaging
datasets.
Benchmark
publicly
available
datasets
cancers
are
presented.
synthesizes
findings
from
20
16
cancer,
culminating
in
total
36
research
articles.
A
significant
focus
placed
commonly
used
features,
Crucially,
introduce
our
optimized
methodology
both
cancers.
metrics
reveals
remarkable
results:
100%
accuracy
types,
but
with
lowest
sensitivity
recorded
at
43.1%
cancer.