BMC Medical Imaging,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: July 30, 2024
Abstract
Breast
cancer
is
a
prevalent
disease
and
the
second
leading
cause
of
death
in
women
globally.
Various
imaging
techniques,
including
mammography,
ultrasonography,
X-ray,
magnetic
resonance,
are
employed
for
detection.
Thermography
shows
significant
promise
early
breast
detection,
offering
advantages
such
as
being
non-ionizing,
non-invasive,
cost-effective,
providing
real-time
results.
Medical
image
segmentation
crucial
analysis,
this
study
introduces
thermographic
algorithm
using
improved
Black
Widow
Optimization
Algorithm
(IBWOA).
While
standard
BWOA
effective
complex
optimization
problems,
it
has
issues
with
stagnation
balancing
exploration
exploitation.
The
proposed
method
enhances
Levy
flights
improves
exploitation
quasi-opposition-based
learning.
Comparing
IBWOA
other
algorithms
like
Harris
Hawks
(HHO),
Linear
Success-History
based
Adaptive
Differential
Evolution
(LSHADE),
whale
(WOA),
sine
cosine
(SCA),
black
widow
(BWO)
otsu
Kapur's
entropy
method.
Results
show
delivers
superior
performance
both
qualitative
quantitative
analyses
visual
inspection
metrics
fitness
value,
threshold
values,
peak
signal-to-noise
ratio
(PSNR),
structural
similarity
index
measure
(SSIM),
feature
(FSIM).
Experimental
results
demonstrate
outperformance
IBWOA,
validating
its
effectiveness
superiority.
Journal of King Saud University - Computer and Information Sciences,
Journal Year:
2024,
Volume and Issue:
36(2), P. 101937 - 101937
Published: Jan. 20, 2024
It
is
a
challenging
task
to
design
an
effective
model
for
object
segmentation
considering
numerous
classes
because
different
might
have
features
and
backgrounds.
We
propose
unique
classification
detect
classify
objects.
modified
version
of
the
U-Net
whereas,
task,
we
fusion
scheme
by
exploiting
two
popular
CNN
models
including
ResNet50
MobileNet.
conduct
experiments
on
Caltech101
benchmark
dataset
which
contains
8677
images
grouped
into
101
classes.
Besides,
examine
performance
our
proposed
method
detection,
devise
polygonal
ground-truth
based
dataset.
The
feature
polygon
shape
ground
truth
that
it
creates
mask
target
image
in
probability
noise
very
low
where
there
bounding
box
truth.
Extensive
demonstrate
efficacy
approaches
compared
other
existing
with
accuracy
95.94%
99.90%.
also
achieved
average
IoU
score
0.98
validates
recognition
model.
Frontiers in Plant Science,
Journal Year:
2022,
Volume and Issue:
13
Published: May 6, 2022
Aiming
at
the
problems
of
low
optimization
accuracy
and
slow
convergence
speed
Satin
Bowerbird
Optimizer
(SBO),
an
improved
(ISBO)
based
on
chaotic
initialization
Cauchy
mutation
strategy
is
proposed.
In
order
to
improve
value
proposed
algorithm
in
engineering
practical
applications,
we
apply
it
segmentation
medical
plant
images.
To
accuracy,
pertinence
initial
population,
population
initialized
by
introducing
Logistic
map.
avoid
falling
into
local
optimum
(prematurity),
search
performance
through
strategy.
Based
extensive
visual
quantitative
data
analysis,
this
paper
conducts
a
comparative
analysis
ISBO
with
SBO,
fuzzy
Gray
Wolf
(FGWO),
Fuzzy
Coyote
Optimization
Algorithm
(FCOA).
The
results
show
that
achieves
better
effects
both
disease
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
14
Published: Jan. 8, 2024
Forests
are
critical
in
the
terrestrial
carbon
cycle,
and
knowledge
of
their
response
to
ongoing
climate
change
will
be
crucial
for
determining
future
fluxes
trajectories.
In
areas
with
contrasting
seasons,
trees
form
discrete
annual
rings
that
can
assigned
calendar
years,
allowing
extract
valuable
information
about
how
respond
environment.
The
anatomical
structure
wood
provides
highly-resolved
reaction
adaptation
climate.
Quantitative
anatomy
helps
retrieve
this
by
measuring
at
cellular
level
using
high-resolution
images
micro-sections.
However,
whereas
large
advances
have
been
made
identifying
structures,
obtaining
meaningful
is
still
hampered
correct
tree
ring
delimitation
on
images.
This
a
time-consuming
task
requires
experienced
operators
manually
delimit
boundaries.
Classic
methods
automatic
segmentation
based
pixel
values
being
replaced
new
approaches
neural
networks
which
capable
distinguishing
even
when
demarcations
require
high
expertise.
Although
used
macroscopic
wood,
complexity
cell
patterns
stained
microsections
broadleaved
species
adaptive
models
accurately
accomplish
task.
We
present
an
boundary
delineation
cross-sectional
microsection
from
beech
cores.
trained
UNETR,
combined
network
UNET
attention
mechanisms
Visual
Transformers,
automatically
segment
Its
accuracy
was
evaluated
considering
discrepancies
manual
consequences
disparity
goals
quantitative
analyses.
most
cases
(91.8%),
matched
or
improved
segmentation,
rate
vessels
assignment
similar
between
two
categories,
considered
better.
application
convolutional
networks-based
outperforms
human
operator
segmentations
confronting
specific
parameters
analysis.
Current
may
reduce
cost
massive
accurate
data
collection
anatomy.
Computers, materials & continua/Computers, materials & continua (Print),
Journal Year:
2024,
Volume and Issue:
80(2), P. 2049 - 2063
Published: Jan. 1, 2024
To
enhance
the
diversity
and
distribution
uniformity
of
initial
population,
as
well
to
avoid
local
extrema
in
Chimp
Optimization
Algorithm
(CHOA),
this
paper
improves
CHOA
based
on
chaos
initialization
Cauchy
mutation.
First,
Sin
is
introduced
improve
random
population
scheme
CHOA,
which
not
only
guarantees
but
also
enhances
population.
Next,
mutation
added
optimize
global
search
ability
process
position
(threshold)
updating
falling
into
optima.
Finally,
an
improved
was
formed
through
combination
(CICMCHOA),
then
taking
fuzzy
Kapur
objective
function,
applied
CICMCHOA
natural
medical
image
segmentation,
compared
it
with
four
algorithms,
including
Satin
Bowerbird
optimizer
(ISBO),
Cuckoo
Search
(ICS),
etc.
The
experimental
results
deriving
from
visual
specific
indicators
demonstrate
that
delivers
superior
segmentation
effects
segmentation.
Computers, materials & continua/Computers, materials & continua (Print),
Journal Year:
2022,
Volume and Issue:
72(2), P. 3073 - 3090
Published: Jan. 1, 2022
In
order
to
address
the
problems
of
Coyote
Optimization
Algorithm
in
image
thresholding,
such
as
easily
falling
into
local
optimum,
and
slow
convergence
speed,
a
Fuzzy
Hybrid
(hereinafter
referred
FHCOA)
based
on
chaotic
initialization
reverse
learning
strategy
is
proposed,
its
effect
thresholding
verified.
Through
initialization,
random
number
mode
standard
coyote
optimization
algorithm
(COA)
replaced
by
sequence.
Such
sequence
nonlinear
long-term
unpredictable,
these
characteristics
can
effectively
improve
diversity
population
algorithm.
Therefore,
this
paper
we
first
perform
using
replace
COA.
By
combining
lens
imaging
optimal
worst
strategy,
hybrid
then
formed.
process
traversal,
best
pack
are
selected
for
operation
respectively,
which
prevents
optimum
certain
extent
also
solves
problem
premature
convergence.
Based
above
improvements,
has
better
global
computational
robustness.
The
simulation
results
show
that
than
five
commonly
used
algorithms
when
multiple
images
different
threshold
numbers
set.