An Improved Crayfish Optimization Algorithm: Enhanced Search Efficiency and Application to UAV Path Planning
Symmetry,
Год журнала:
2025,
Номер
17(3), С. 356 - 356
Опубликована: Фев. 26, 2025
The
resolution
of
the
unmanned
aerial
vehicle
(UAV)
path-planning
problem
frequently
leverages
optimization
algorithms
as
a
foundational
approach.
Among
these,
recently
proposed
crayfish
algorithm
(COA)
has
garnered
significant
attention
promising
and
noteworthy
alternative.
Nevertheless,
COA’s
search
efficiency
tends
to
diminish
in
later
stages
process,
making
it
prone
premature
convergence
into
local
optima.
To
address
this
limitation,
an
improved
COA
(ICOA)
is
proposed.
enhance
quality
initial
individuals
ensure
greater
population
diversity,
utilizes
chaotic
mapping
conjunction
with
stochastic
inverse
learning
strategy
generate
population.
This
modification
aims
broaden
exploration
scope
higher-quality
regions,
enhancing
algorithm’s
resilience
against
optima
entrapment
significantly
boosting
its
effectiveness.
Additionally,
nonlinear
control
parameter
incorporated
adaptivity.
Simultaneously,
Cauchy
variation
applied
population’s
optimal
individuals,
strengthening
ability
overcome
stagnation.
ICOA’s
performance
evaluated
by
employing
IEEE
CEC2017
benchmark
function
for
testing
purposes.
Comparison
results
reveal
that
ICOA
outperforms
other
terms
efficacy,
especially
when
complex
spatial
configurations
real-world
problem-solving
scenarios.
ultimately
employed
UAV
path
planning,
tested
across
range
terrain
obstacle
models.
findings
confirm
excels
searching
paths
achieve
safe
avoidance
lower
trajectory
costs.
Its
accuracy
notably
superior
comparative
algorithms,
underscoring
robustness
efficiency.
ensures
balanced
exploitation
space,
which
are
particularly
crucial
optimizing
planning
environments
symmetrical
asymmetrical
constraints.
Язык: Английский
Hybrid Ensemble Architecture for Brain Tumor Segmentation Using EfficientNetB4-MobileNetV3 with Multi-Path Decoders
Data & Metadata,
Год журнала:
2025,
Номер
4, С. 374 - 374
Опубликована: Фев. 26, 2025
Brain
tumor
segmentation
based
on
multi-modal
magnetic
resonance
imaging
is
a
challenging
medical
problem
due
to
tumors
heterogeneity,
irregular
boundaries,
and
inconsistent
appearances.
For
this
purpose,
we
propose
hybrid
primal
dual
ensemble
architecture
leveraging
EfficientNetB4
MobileNetV3
through
cross-network
novel
feature
interaction
mechanism
an
adaptive
learning
approach.
The
proposed
method
enables
by
recent
attention
mechanisms,
dedicated
decoders,
uncertainty
estimation
techniques.
model
was
extensively
evaluated
using
the
BraTS2019-2021
datasets,
achieving
outstanding
performance
with
mean
Dice
scores
of
0.91,
0.87,
0.83
whole
tumor,
core
enhancing
regions
respectively.
achieves
stable
over
range
types
sizes,
low
relative
computational
cost.
Язык: Английский
Genomic Structural Equation Modeling Elucidates the Shared Genetic Architecture of Allergic Disorders
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Abstract
Background
The
intricate
shared
genetic
architecture
underlying
allergic
disorders—including
asthma,
atopic
dermatitis,
contact
rhinitis,
conjunctivitis,
urticaria,
anaphylaxis,
and
eosinophilic
esophagitis—remains
incompletely
characterized.
Methods
Our
study
employed
genomic
structural
equation
modeling
(Genomic
SEM)
to
define
the
common
factor
representing
of
disorders.
Coupled
with
diverse
post-GWAS
analytical
methods,
we
aimed
discover
susceptible
loci
investigate
associations
external
traits.
Furthermore,
explored
enriched
pathways,
cellular
layers,
elements,
investigated
putative
plasma
protein
biomarkers.
Polygenic
risk
score
(PRS)
analyses,
leveraging
our
integrated
GWAS
data,
were
conducted
assess
chromosomal-level
for
Results
A
well-fitted
SEM
revealing
We
identified
a
total
2038
genome-wide
significant
SNP
(p
<
5e-8),
including
31
previously
unreported
loci.
Fine-mapping
variants
gene
sets
pinpointed
2
causal
candidate
genes.
Genetic
correlation
analyses
further
illuminated
multiple
traits,
notably
psychiatric
Preliminary
findings
four
Conclusion
Notably,
this
presents
first
comprehensive
characterization
disorders
through
analysis
an
unmeasured
composite
phenotype,
providing
novel
insights
into
etiological
pathways
across
these
conditions.
Язык: Английский
Improved Black-Winged Kite Algorithm with Multi-Strategy Optimization for Identifying Dendrobium huoshanense
Biomimetics,
Год журнала:
2025,
Номер
10(4), С. 226 - 226
Опубликована: Апрель 4, 2025
An
improved
black-winged
kite
algorithm
with
multiple
strategies
(BKAIM)
is
proposed
in
this
paper
to
address
two
critical
limitations
the
original
optimization
(BKA):
restricted
search
capability
caused
by
low-quality
initial
population
and
reduced
diversity
resulting
from
blind
following
behavior
during
migration
phase.
Our
enhancement
implements
three
strategic
modifications
across
different
stages.
During
initialization,
an
opposition-based
learning
strategy
was
incorporated
generate
a
higher-quality
population.
For
phase,
differential
mutation
integrated
facilitate
information
exchange
among
members,
mitigate
tendency
of
leader-following
behavior,
enhance
convergence
precision,
achieve
optimal
balance
between
exploration
exploitation
capabilities.
Regarding
boundary
handling,
conventional
absorption
method
replaced
random
approach
increase
subsequently
improve
algorithm’s
Comprehensive
testing
conducted
on
four
benchmark
function
sets
(CEC2017,
CEC2019,
CEC2021,
CEC2022)
validate
effectiveness
algorithm.
Detailed
analysis
Wilcoxon
rank-sum
test
comparisons
other
algorithms
demonstrated
BKAIM’s
superior
performance
robustness.
Furthermore,
support
vector
machine
(SVM)
model
optimized
BKAIM
for
grade
identification
Dendrobium
huoshanense
based
near-infrared
spectral
data,
thereby
confirming
its
practical
applications.
Язык: Английский