Classification
and
clustering
are
crucial
tasks
in
analyzing
brain
signals,
which
can
be
broadly
categorized
into
two
main
methods:
invasive
non-invasive.
Invasive
techniques
involve
placing
electrodes
directly
inside
or
on
the
surface
of
to
measure
activity,
whereas
non-invasive
methods
activity
without
need
for
procedures.
The
latter
includes
EEG,
MEG,
fMRI,
PET,
NIRS.
Brain
signals
classified
based
type
being
measured,
such
as
brainwaves,
evoked
potentials,
event-related
functional
imaging.
This
classification
help
researchers
better
understand
underlying
mechanisms
function
develop
new
diagnosing
treating
neurological
disorders.
major
divisions
include
hard
clustering,
soft
density-based
model-based
hierarchical
subspace
clustering.
In
each
signal
is
assigned
a
single
cluster
similarity
centroid
cluster,
while
assigns
probability
belonging
degree
centroids
clusters.
Density-based
regions
high
density
feature
space,
probabilistic
model
that
describes
distribution
data,
done
manner.
Subspace
subspaces
space.
These
different
approaches
used
combination
achieve
results
depending
characteristics
data
research
question
at
hand.
Overall,
essential
advancing
our
understanding
developing
Artificial Intelligence Review,
Journal Year:
2024,
Volume and Issue:
57(8)
Published: July 29, 2024
Abstract
In
healthcare,
medical
practitioners
employ
various
imaging
techniques
such
as
CT,
X-ray,
PET,
and
MRI
to
diagnose
patients,
emphasizing
the
crucial
need
for
early
disease
detection
enhance
survival
rates.
Medical
Image
Analysis
(MIA)
has
undergone
a
transformative
shift
with
integration
of
Artificial
Intelligence
(AI)
Machine
Learning
(ML)
Deep
(DL),
promising
advanced
diagnostics
improved
healthcare
outcomes.
Despite
these
advancements,
comprehensive
understanding
efficiency
metrics,
computational
complexities,
interpretability,
scalability
AI
based
approaches
in
MIA
is
essential
practical
feasibility
real-world
environments.
Existing
studies
exploring
applications
lack
consolidated
review
covering
major
stages
specifically
focused
on
evaluating
approaches.
The
absence
structured
framework
limits
decision-making
researchers,
practitioners,
policymakers
selecting
implementing
optimal
healthcare.
Furthermore,
standardized
evaluation
metrics
complicates
methodology
comparison,
hindering
development
efficient
This
article
addresses
challenges
through
review,
taxonomy,
analysis
existing
AI-based
taxonomy
covers
image
processing
stages,
classifying
each
stage
method
further
analyzing
them
origin,
objective,
method,
dataset,
reveal
their
strengths
weaknesses.
Additionally,
comparative
conducted
evaluate
over
five
publically
available
datasets:
ISIC
2018,
CVC-Clinic,
2018
DSB,
DRIVE,
EM
terms
accuracy,
precision,
Recall,
F-measure,
mIoU,
specificity.
popular
public
datasets
are
briefly
described
analyzed.
resulting
provides
landscape
facilitating
evidence-based
guiding
future
research
efforts
toward
scalable
meet
current
needs.
IEEE Transactions on Instrumentation and Measurement,
Journal Year:
2024,
Volume and Issue:
73, P. 1 - 14
Published: Jan. 1, 2024
Classification
of
coronary
artery
stenosis
is
essential
in
assisting
physicians
diagnosing
cardiovascular
diseases.
However,
due
to
the
complexity
medical
diagnosis
and
confidentiality
images,
it
difficult
obtain
many
image
samples
for
scientific
research
general.
In
addition,
degree,
location,
morphology
different
patients,
as
well
noise
CT
angiography
(CTA)
make
challenging
extract
typing
features
effectively.
To
address
above
problems,
firstly,
a
joint
segmentation
method
proposed
based
on
maximum
between-class
variance
region
growing
key
regions
from
CTA
images
facilitate
further
feature
extraction.
Then,
classification
model
Convolutional
Block
Attention
Module
(CBAM)
transfer
learning
constructed,
which
can
effectively
improve
training
effect
under
insufficient
samples.
Finally,
dataset
actual
patients
applied
experimental
verification.
Experiment
results
show
that
accuracy
up
98.99%,
greatly
improved
compared
with
several
machine
algorithms
neural
network
methods.
It
be
concluded
considerably
improved,
reasonable
basis
provided
clinical
diagnosis.
International Journal of Imaging Systems and Technology,
Journal Year:
2025,
Volume and Issue:
35(3)
Published: May 1, 2025
ABSTRACT
Pneumonia,
attributable
to
pathogens
and
autoimmune
disorders,
accounts
for
approximately
450
million
cases
annually.
Chest
x‐ray
analysis
remains
the
gold
standard
pneumonia
detection,
DL
has
revolutionized
study
of
high‐dimensional
data,
including
images,
audio,
video.
This
research
enhances
validates
a
CAD
system
distinguishing
from
normal
health
states
using
imaging.
paper
presents
novel
methodology
that
integrates
CLHAE
Homographic
Transformation
Filter‐based
Flexible
Analytical
Wavelet
Transform
(HTF‐FAWT)
image
decomposition,
enabling
systematic
decomposition
pre‐processed
input
images
into
four
distinct
sub‐band
across
six
hierarchical
levels.
Feature
extraction
employs
VGG‐16
Deep
Learning
techniques,
with
extracted
features
subsequently
classified
by
support
vector
machine
Morlet,
Mexican‐hat
wavelet,
radial
basis
function
kernels.
Employing
tenfold
cross‐validation,
our
model
exhibited
remarkable
classification
performance,
achieving
an
accuracy
97.51%,
specificity
97.77%,
sensitivity
96.5%
in
spotting
via
x‐rays.
The
utility
feature
maps
Grad‐CAM
highlighting
critical
regions
accurate
prediction
was
confirmed,
offering
visual
validation
model's
efficacy.
Statistical
examinations
validate
superior
performance
proposed
framework,
demonstrating
its
potential
as
expedient
diagnostic
tool
medical
imaging
specialists
rapidly
detecting
pneumonia.
It
demonstrates
effectiveness
various
classifiers
classification,
method
outperforming
state‐of‐the‐art
approaches.
diagnosis
high
(97.51%),
visualization,
automated
interpretation,
faster,
reliable
screening
clinical
integration
reducing
reliance
on
manual
assessment
radiology.
Physica Scripta,
Journal Year:
2024,
Volume and Issue:
99(7), P. 076020 - 076020
Published: June 17, 2024
Abstract
Accurate
detection
and
classification
of
brain
tumors
play
a
critical
role
in
neurological
diagnosis
treatment.Proposed
work
developed
sophisticated
technique
to
precisely
identify
classify
neoplasms
medical
imaging.
Our
approach
integrates
various
techniques,
including
Otsu’s
thresholding,
anisotropic
diffusion,
modified
3-category
Fuzzy
C-Means
(FCM)
for
segmentation
after
skull
stripping
wavelet
transformation
post-processing
segmentation,
Convolution
neural
networks
classification.
This
not
only
recognizes
that
discriminating
healthy
tissue
from
tumor-affected
areas
is
challenging,
yet
it
also
focuses
on
finding
abnormalities
inside
early
tiny
tumor
structures.
Initial
preprocessing
stages
improve
the
visibility
images
identification
regions
while
accurately
classifying
locations
into
core,
edema,
enhancing
by
as
well.
Ultimately,
these
segmented
zones
are
refined
using
transforms,
which
remove
noise
feature
extraction.
CNN
architecture
uses
learned
abstractions
distinguish
between
malignant
regions,
ensuring
robust
It
particularly
good
at
identifying
detecting
anomalies
provides
substantial
advances
accurate
detection.
Comprehensive
hypothetical
evaluations
validate
its
efficacy,
could
clinical
diagnostics
perhaps
influence
research
treatment
approaches.
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(3), P. e0297284 - e0297284
Published: March 21, 2024
Addressing
the
profound
impact
of
Tapping
Panel
Dryness
(TPD)
on
yield
and
quality
in
global
rubber
industry,
this
study
introduces
a
cutting-edge
Otsu
threshold
segmentation
technique,
enhanced
by
Dung
Beetle
Optimization
(DBO-Otsu).
This
innovative
approach
optimizes
combination
accelerating
convergence
diversifying
search
methodologies.
Following
initial
segmentation,
TPD
severity
levels
are
meticulously
assessed
using
morphological
characteristics,
enabling
precise
determination
optimal
thresholds
for
final
segmentation.
The
efficacy
DBO-Otsu
is
rigorously
evaluated
against
mainstream
benchmarks
like
Peak
Signal-to-Noise
Ratio
(PSNR),
Structural
Similarity
Index
(SSIM),
Feature
(FSIM),
compared
with
six
contemporary
swarm
intelligence
algorithms.
findings
reveal
that
substantially
surpasses
its
counterparts
image
processing
speed.
Further
empirical
analysis
dataset
comprising
cases
from
level
1
to
5
underscores
algorithm’s
practical
utility,
achieving
an
impressive
80%
accuracy
identification
underscoring
potential
recognition
tasks.
Academic Platform Journal of Engineering and Smart Systems,
Journal Year:
2024,
Volume and Issue:
12(2), P. 59 - 67
Published: May 28, 2024
As
a
result
of
technological
advancements,
the
increase
in
vast
amounts
data
today's
world
has
made
artificial
intelligence
and
mining
significantly
crucial.
In
this
context,
clustering
process,
which
aims
to
explore
hidden
patterns
meaningful
relationships
within
complex
datasets
by
grouping
similar
features
conduct
more
effective
analyses,
holds
vital
importance.
an
alternative
classical
methods
that
face
challenges
such
as
large
volumes
computational
complexities,
metaheuristic
method
utilizing
Coot
Optimization
(COOT),
swarm
intelligence-based
algorithm,
been
proposed.
COOT,
inspired
hunting
stages
eagles
recently
introduced
into
literature,
is
method.
Through
proposed
COOT
method,
aim
contribute
literature
leveraging
COOT's
robust
exploration
exploitation
processes,
its
dynamic
flexible
structure.
Comprehensive
experimental
studies
were
conducted
evaluate
consistency
effectiveness
COOT-based
algorithm
using
randomly
generated
synthetic
widely
used
Iris
dataset
literature.
The
same
underwent
analysis
traditional
K-Means,
renowned
for
simplicity
speed,
comparative
purposes.
performance
algorithms
was
assessed
cluster
validity
measures
Silhouette
Global,
Davies-Bouldin,
Krznowski-Lai,
Calinski-Harabasz
indices,
along
with
Total
Squared
Error
(SSE)
objective
function.
Experimental
results
indicate
performs
at
competitive
level
K-Means
shows
potential,
especially
multidimensional
real-world
problems.
Despite
not
being
previously
purposes,
impressive
some
tests
compared
showcases
success
potential
pioneer
different
aimed
expanding
usage
domain.