Sakarya University Journal of Computer and Information Sciences,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
The
brain,
which
controls
important
vital
functions
such
as
vision,
hearing
and
movement,
negatively
affects
our
lives
when
it
is
sick.
Of
these
diseases,
the
deadliest
undoubtedly
brain
tumor,
can
occur
in
all
age
groups
be
benign
or
malignant.
Therefore,
early
diagnosis
prognosis
are
very
important.
Magnetic
Resonance
(MR)
images
used
for
detection
treatment
of
tumor
types.
Successful
results
diseases
from
medical
with
Convolutional
Neural
Networks
(CNN)
depend
on
optimum
creation
number
layers
other
hyper-parameters.
In
this
study,
we
propose
a
CNN
model
that
will
achieve
highest
accuracy
least
layers.
A
public
data
set
consisting
4
different
classes
(Meningioma,
Glioma,
Pituitary
Normal)
obtained
use
training
models
was
trained
tested
50
deep
learning
designed,
better
result
compared
existing
studies
literature
99.47%
99.44%
F1
score
values.
Logistics,
Journal Year:
2025,
Volume and Issue:
9(1), P. 25 - 25
Published: Feb. 8, 2025
Background:
Accurate
inventory
management
of
intermittent
spare
parts
requires
precise
demand
forecasting.
The
sporadic
and
irregular
nature
demand,
characterized
by
long
intervals
between
occurrences,
results
in
a
significant
data
imbalance,
where
events
are
vastly
outnumbered
zero-demand
periods.
This
challenge
has
been
largely
overlooked
forecasting
research
for
parts.
Methods:
proposed
model
incorporates
the
Synthetic
Minority
Oversampling
Technique
(SMOTE)
to
balance
dataset
uses
focal
loss
enhance
sensitivity
deep
learning
models
rare
events.
approach
was
empirically
validated
comparing
model’s
Mean
Squared
Error
(MSE)
performance
Area
Under
Curve
(AUC).
Results:
ensemble
achieved
47%
reduction
MSE
32%
increase
AUC,
demonstrating
substantial
improvements
accuracy.
Conclusions:
findings
highlight
effectiveness
method
addressing
imbalance
improving
prediction
part
providing
valuable
tool
management.
Gazi University Journal of Science Part A Engineering and Innovation,
Journal Year:
2025,
Volume and Issue:
12(1), P. 15 - 35
Published: March 26, 2025
The
eye
is
a
vital
sensory
organ
that
enables
us
to
fulfill
all
our
life’s
needs.
Diseases
affecting
such
can
have
detrimental
impact
on
lives.
Although
certain
conditions
are
easily
managed,
others
may
result
in
lasting
damage
or
loss
of
sight
if
not
identified
promptly.
Problems
within
the
retina
improper
image
focus
eyesight.
Optical
Coherence
Tomography
(OCT)
identify
diseases
using
retinal
images
taken
from
side-angle
view.
Medical
analyzed
Convolutional
Neural
Networks
(CNNs)
automatically
diagnose
diseases.
Doctors
reach
varying
conclusions
when
diagnosing
based
medical
images.
These
even
contain
human
error.
challenges
be
overcome
with
use
CNNs.
When
creating
CNN
architecture,
many
hyperparameter
values
need
determined
at
beginning
before
training
phase.
A
well-structured
design
crucial
for
successful
performance
lengthy
time
CNNs
makes
testing
every
combination
very
time-intensive
process.
This
research
best
hyperparameters
by
means
Bayesian
optimization.
study
employed
dataset
comprising
four
categories:
DME,
CNV,
DRUSEN,
and
NORMAL.
With
optimization,
this
proposed
model
reached
an
accuracy
F1
score
99.69%,
outperforming
existing
findings.
will
also
help
doctors
make
decisions
speed
up
decision-making
Diagnostics,
Journal Year:
2024,
Volume and Issue:
14(19), P. 2253 - 2253
Published: Oct. 9, 2024
:
Breast
cancer
is
one
of
the
most
lethal
cancers
among
women.
Early
detection
and
proper
treatment
reduce
mortality
rates.
Histopathological
images
provide
detailed
information
for
diagnosing
staging
breast
disease.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(16), P. e36191 - e36191
Published: Aug. 1, 2024
In
our
paper,
we
present
an
extension
of
text
embedding
architectures
for
grayscale
medical
image
classification.
We
introduce
a
mechanism
that
combines
n-gram
features
with
efficient
pixel
flattening
technique
to
preserve
spatial
information
during
feature
representation
generation.
Our
approach
involves
all
pixels
in
images
using
combination
column-wise,
row-wise,
diagonal-wise,
and
anti-diagonal-wise
orders.
This
ensures
dependencies
are
captured
effectively
the
representations.
To
evaluate
effectiveness
method,
conducted
benchmark
5
datasets
varying
sizes
complexities.
10-fold
cross-validation
showed
achieved
test
accuracy
score
99.92
%
on
Medical
MNIST
dataset,
90.06
Chest
X-ray
Pneumonia
96.94
Curated
Covid
CT
79.11
MIAS
dataset
93.17
Ultrasound
dataset.
The
framework
reproducible
code
can
be
found
GitHub
at
https://github.com/xizhou/pixel_embedding.
Gazi University Journal of Science Part A Engineering and Innovation,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 7, 2024
Breast
cancer
(BC)
is
one
of
the
primary
causes
mortality
in
women
globally.
Thus,
early
and
exact
identification
critical
for
effective
treatment.
This
work
investigates
deep
learning,
more
especially
convolutional
neural
networks
(CNNs),
to
classify
BC
from
ultrasound
images.
We
worked
with
a
collection
breast
images
600
patients.
Our
approach
included
extensive
image
preprocessing
techniques,
such
as
enhancement
overlay
methods,
before
training
various
learning
models
particular
reference
VGG16,
VGG19,
ResNet50,
DenseNet121,
EfficientNetB0,
custom
CNNs.
proposed
model
achieved
remarkable
classification
accuracy
97%,
significantly
outperforming
established
like
MobileNet,
Inceptionv3.
research
demonstrates
ability
advanced
CNNs,
when
paired
good
preprocessing,
enhance
further
used
Grad-CAM
make
interpretable
so
we
may
see
which
parts
CNNs
focus
on
making
decisions.
Applied Mathematics and Nonlinear Sciences,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Jan. 1, 2024
Abstract
The
emergence
of
semantic
association
networks
has
injected
a
new
impetus
for
the
development
online
English
teaching
and
provided
model
reference
design
education
platforms.
In
this
paper,
research
an
interactive
platform
college
draws
on
algorithmic
advantages
associative
network
utilizes
self-operation
to
realize
functions
autonomous
addition,
deletion,
modification,
checking.
text
similarity
is
predicted
by
word
embedding
model,
convolutional
neural
network,
other
algorithms
so
as
better
achieve
integration
resources,
connecting
knowledge
highlighting
focus
in
process
English.
Dynamic
load
balancing
are
used
solve
problems
short-term
surges
number
visits
concentration
call
requests,
optimization
further
realized
through
genetic
finally
complete
platform.
Comparison
experiments
concluded
that
proposed
paper
could
hold
more
stable
repair
effect
when
cleaning
inconsistent
data
dataset,
effectiveness
paper.
designed
also
performs
well
performance
test,
with
only
0.01%
abnormality
rate
concurrency
ability
test
achieves
expected
effect.