Advances in Multimedia,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
Gastrointestinal
(GI)
diseases
are
a
significant
global
health
issue,
causing
millions
of
deaths
annually.
This
study
presents
novel
method
for
classifying
GI
using
endoscopy
videos.
The
proposed
involves
three
major
phases:
image
processing,
feature
extraction,
and
classification.
processing
phase
uses
wavelet
transform
segmentation
an
adaptive
median
filter
denoising.
Feature
extraction
is
conducted
concatenated
recurrent
vision
transformer
(RVT)
with
two
inputs.
classification
employs
ensemble
four
classifiers:
support
vector
machines,
Bayesian
network,
random
forest,
logistic
regression.
system
was
trained
tested
on
the
Hyper–Kvasir
dataset,
largest
publicly
available
tract
achieving
accuracy
99.13%
area
under
curve
0.9954.
These
results
demonstrate
improvement
in
performance
disease
compared
to
traditional
methods.
highlights
potential
combining
RVTs
standard
machine
learning
techniques
enhance
automated
diagnosis
diseases.
Further
validation
larger
datasets
different
medical
environments
recommended
confirm
these
findings.
CAAI Transactions on Intelligence Technology,
Год журнала:
2023,
Номер
unknown
Опубликована: Июнь 11, 2023
Abstract
Diseases
of
the
Gastrointestinal
(GI)
tract
significantly
affect
quality
human
life
and
have
a
high
fatality
rate.
Accurate
diagnosis
GI
diseases
plays
pivotal
role
in
healthcare
systems.
However,
processing
large
amounts
medical
image
data
can
be
challenging
for
radiologists
other
professionals,
increasing
risk
inaccurate
assessments.
Computer‐aided
Diagnosis
systems
provide
help
to
doctors
rapid
accurate
diagnosis,
thus
resulting
saving
lives.
Recently,
many
techniques
are
found
literature
that
uses
deep
Convolutional
Neural
Network
(CNN)
models
disease
classification.
they
limitations
their
ability
detect
deformation‐invariant
features
lack
robustness.
The
diseased
region
is
highlighted,
using
attention‐based
generation
superimposition
with
original
images.
A
lightweight
CNN
model
employed
get
significant
features.
These
further
reduced
Cosine
similarity‐based
technique.
proposed
framework
assessed
Kvasir
dataset.
To
verify
effectiveness
framework,
vast
experiments
conducted.
overall
accuracy
97.68%,
99.02%
precision,
96.37%
recall,
an
F‐measure
97.68%
achieved
810
This
reduction
resulted
classification
time.
robustness
observed
not
only
terms
considerable
improvement
accuracy,
but
also
precision
as
well
F‐measure.
Expert Systems with Applications,
Год журнала:
2024,
Номер
256, С. 124908 - 124908
Опубликована: Июль 30, 2024
The
rising
prevalence
of
gastrointestinal
(GI)
tract
disorders
worldwide
highlights
the
urgent
need
for
precise
diagnosis,
as
these
diseases
greatly
affect
human
life
and
contribute
to
high
mortality
rates.
Fast
identification,
accurate
classification,
efficient
treatment
approaches
are
essential
addressing
this
critical
health
issue.
Common
side
effects
include
abdominal
pain,
bloating,
discomfort,
which
can
be
chronic
debilitating.
Nausea
vomiting
also
frequent,
leading
difficulties
in
maintaining
adequate
nutrition
hydration.
current
study
intends
develop
a
deep
learning
(DL)-based
approach
that
automatically
classifies
GI
diseases.
For
first
time,
GastroVision
dataset
with
8000
images
27
different
was
utilized
work
design
computer-aided
diagnosis
(CAD)
system.
This
presents
novel
lightweight
feature
extractor
compact
size
minimum
number
layers
named
Parallel
Depthwise
Separable
Convolutional
Neural
Network
(PD-CNN)
Pearson
Correlation
Coefficient
(PCC)
selector.
Furthermore,
robust
classifier
Ensemble
Extreme
Learning
Machine
(EELM),
combined
pseudo
inverse
ELM
(ELM)
L1
Regularized
(RELM),
has
been
proposed
identify
more
precisely.
A
hybrid
preprocessing
technique,
including
scaling,
normalization,
image
enhancement
techniques
such
erosion,
CLAHE,
sharpening,
Gaussian
filtering,
employed
enhance
representation
improve
classification
performance.
consists
twenty-four
only
0.815
million
parameters
9.79
MB
model
size.
PD-CNN-PCC-EELM
extracts
features,
reduces
computational
overhead,
achieves
excellent
performance
on
multiclass
images.
achieved
highest
precision,
recall,
f1,
accuracy,
ROC-AUC,
AUC-PR
values
88.12
±
0.332
%,
87.75
0.348
87.12
0.324
98.89
92
respectively,
while
testing
time
0.000001
s.
comparative
utilizes
10-fold
cross-validation,
ablation
various
state-of-the-art
(SOTA)
transfer
(TL)
models
extractors.
Then,
PCC
EELM
integrated
TL
generate
predictions,
notably
terms
real-time
processing
capability;
significantly
outperforms
other
models.
Moreover,
explainable
AI
(XAI)
methods,
SHAP
(Shapley
Additive
Explanations),
heatmap,
guided
Grad-Cam
(Gradient-weighted
Class
Activation
Mapping),
Grad-CAM,
Saliency
mapping,
have
explore
interpretability
decision-making
capability
model.
Therefore,
provides
practical
intelligence
increasing
confidence
diagnosing
real-world
scenarios.
Intelligent Systems with Applications,
Год журнала:
2024,
Номер
23, С. 200399 - 200399
Опубликована: Июнь 20, 2024
The
accurate
classification
of
endoscopic
images
is
a
challenging
yet
critical
task
in
medical
diagnostics,
which
directly
affects
the
treatment
and
management
Gastrointestinal
diseases.
Misclassification
can
lead
to
incorrect
plans,
adversely
affecting
patient
outcomes.
To
address
this
challenge,
our
research
aimed
develop
reliable
computational
model
improve
accuracy
classifying
conditions
esophagitis
polyps.
We
focused
on
subset
Kvasir
v1
secondary
dataset,
comprising
2000
evenly
distributed
across
two
classes:
polyp.
goal
was
leverage
strengths
both
Machine
Learning(ML)
Deep
Learning(DL)
create
that
not
only
predicts
with
high
but
also
integrates
seamlessly
into
clinical
workflows.
end,
we
introduced
novel
VRG-based
ensemble
image
feature
extraction
technique,
combining
powers
VGG,
RF,
GB
models
synthesize
robust
set
conducive
high-precision
classification.
approach
demonstrated
best-in-class
performance
achieving
an
outstanding
99.73%
detecting
practical
implications
these
results
are
substantial,
indicating
method
significantly
diagnostic
real-world
settings,
reduce
rate
misdiagnosis,
contribute
efficient
effective
patients,
ultimately
enhancing
quality
healthcare
services.
With
successful
application
proposed
controlled
future
work
involves
deploying
environments
expanding
its
broader
spectrum
multi-class
datasets.
PeerJ Computer Science,
Год журнала:
2024,
Номер
10, С. e1919 - e1919
Опубликована: Фев. 28, 2024
It
is
a
known
fact
that
gastrointestinal
diseases
are
extremely
common
among
the
public.
The
most
of
these
gastritis,
reflux,
and
dyspepsia.
Since
symptoms
similar,
diagnosis
can
often
be
confused.
Therefore,
it
great
importance
to
make
diagnoses
faster
more
accurate
by
using
computer-aided
systems.
in
this
article,
new
artificial
intelligence-based
hybrid
method
was
developed
classify
images
with
high
accuracy
anatomical
landmarks
cause
diseases,
pathological
findings
polyps
removed
during
endoscopy,
which
usually
cancer.
In
proposed
method,
firstly
trained
InceptionV3
MobileNetV2
architectures
used
feature
extraction
performed
two
architectures.
Then,
features
obtained
from
merged.
Thanks
merging
process,
different
belonging
same
were
brought
together.
However,
contain
irrelevant
redundant
may
have
negative
impact
on
classification
performance.
Dandelion
Optimizer
(DO),
one
recent
metaheuristic
optimization
algorithms,
as
selector
select
appropriate
improve
performance
support
vector
machine
(SVM)
classifier.
experimental
study,
also
compared
convolutional
neural
network
(CNN)
models
found
achieved
better
results.
value
model
93.88%.
PeerJ Computer Science,
Год журнала:
2024,
Номер
10, С. e1902 - e1902
Опубликована: Март 11, 2024
Gastrointestinal
diseases
cause
around
two
million
deaths
globally.
Wireless
capsule
endoscopy
is
a
recent
advancement
in
medical
imaging,
but
manual
diagnosis
challenging
due
to
the
large
number
of
images
generated.
This
has
led
research
into
computer-assisted
methodologies
for
diagnosing
these
images.
Endoscopy
produces
thousands
frames
each
patient,
making
examination
difficult,
laborious,
and
error-prone.
An
automated
approach
essential
speed
up
process,
reduce
costs,
potentially
save
lives.
study
proposes
transfer
learning-based
efficient
deep
learning
methods
detecting
gastrointestinal
disorders
from
multiple
modalities,
aiming
detect
with
superior
accuracy
efforts
costs
experts.
The
Kvasir
eight-class
dataset
was
used
experiment,
where
endoscopic
were
preprocessed
enriched
augmentation
techniques.
EfficientNet
model
optimized
via
fine
tuning,
compared
most
widely
pre-trained
models.
model’s
efficacy
tested
on
another
independent
prove
its
robustness
reliability.
Frontiers in Medicine,
Год журнала:
2024,
Номер
11
Опубликована: Апрель 15, 2024
Although
the
detection
procedure
has
been
shown
to
be
highly
effective,
there
are
several
obstacles
overcome
in
usage
of
AI-assisted
cancer
cell
clinical
settings.
These
issues
stem
mostly
from
failure
identify
underlying
processes.
Because
diagnosis
does
not
offer
a
clear
decision-making
process,
doctors
dubious
about
it.
In
this
instance,
advent
Explainable
Artificial
Intelligence
(XAI),
which
offers
explanations
for
prediction
models,
solves
AI
black
box
issue.
The
SHapley
Additive
exPlanations
(SHAP)
approach,
results
interpretation
model
predictions,
is
main
emphasis
work.
intermediate
layer
study
was
hybrid
made
up
three
Convolutional
Neural
Networks
(CNNs)
(InceptionV3,
InceptionResNetV2,
and
VGG16)
that
combined
their
predictions.
KvasirV2
dataset,
comprises
pathological
symptoms
associated
cancer,
used
train
model.
Our
yielded
an
accuracy
93.17%
F1
score
97%.
After
training
model,
we
use
SHAP
analyze
images
these
groups
provide
explanation
decision
affects
prediction.
Applied Sciences,
Год журнала:
2023,
Номер
13(15), С. 9031 - 9031
Опубликована: Авг. 7, 2023
Globally,
gastrointestinal
(GI)
tract
diseases
are
on
the
rise.
If
left
untreated,
people
may
die
from
these
diseases.
Early
discovery
and
categorization
of
can
reduce
severity
disease
save
lives.
Automated
procedures
necessary,
since
manual
detection
laborious,
time-consuming,
prone
to
mistakes.
In
this
work,
we
present
an
automated
system
for
localization
classification
GI
endoscopic
images
with
help
encoder–decoder-based
model,
XceptionNet,
explainable
artificial
intelligence
(AI).
Data
augmentation
is
performed
at
preprocessing
stage,
followed
by
segmentation
using
model.
Later,
contours
drawn
around
diseased
area
based
segmented
regions.
Finally,
well-known
classifiers,
results
generated
various
train-to-test
ratios
performance
analysis.
For
segmentation,
proposed
model
achieved
82.08%
dice,
90.30%
mIOU,
94.35%
precision,
85.97%
recall
rate.
The
best
performing
classifier
98.32%
accuracy,
96.13%
recall,
99.68%
precision
softmax
classifier.
Comparison
state-of-the-art
techniques
shows
that
well
all
reported
metrics.
We
explain
improvement
in
utilizing
heat
maps
without
technique.
Complex & Intelligent Systems,
Год журнала:
2023,
Номер
10(2), С. 2477 - 2497
Опубликована: Ноя. 24, 2023
Abstract
Wireless
capsule
endoscopy
(WCE)
enables
imaging
and
diagnostics
of
the
gastrointestinal
(GI)
tract
to
be
performed
without
any
discomfort.
Despite
this,
several
characteristics,
including
efficacy,
tolerance,
safety,
performance,
make
it
difficult
apply
modify
widely.
The
use
automated
WCE
collect
data
perform
analysis
is
essential
for
finding
anomalies.
Medical
specialists
need
a
significant
amount
time
expertise
examine
generated
by
patient’s
digestive
tract.
To
address
these
challenges,
computer
vision-based
solutions
have
been
designed;
nevertheless,
they
do
not
achieve
an
acceptable
level
accuracy,
more
advancements
are
required.
Thus,
in
this
study,
we
proposed
four
multi-classification
deep
learning
(DL)
models
i.e.,
Vgg-19
+
CNN,
ResNet152V2,
Gated
Recurrent
Unit
(GRU)
ResNet152V2
Bidirectional
GRU
(Bi-GRU)
applied
on
different
publicly
available
databases
diagnosing
ulcerative
colitis,
polyps,
dyed-lifted
polyps
using
images.
our
knowledge,
only
study
that
uses
single
DL
model
classification
three
GI
diseases.
We
compared
performance
classifiers
terms
many
parameters
such
as
loss,
Matthew's
correlation
coefficient
(MCC),
recall,
precision,
negative
predictive
value
(NPV),
positive
(PPV),
F1-score.
results
revealed
CNN
outperforms
other
classifying
diseases
achieved
accuracy
99.45%.
also
with
recent
state-of-the-art
has
better
improved
accuracy.