International Journal of Advanced Computer Science and Applications,
Год журнала:
2023,
Номер
14(12)
Опубликована: Янв. 1, 2023
Anomaly
detection
plays
a
crucial
role
in
ensuring
the
security
and
integrity
of
Internet
Things
(IoT)
surveillance
systems.
Nowadays,
deep
learning
methods
have
gained
significant
popularity
anomaly
because
their
ability
to
learn
extract
intricate
features
from
complex
data
automatically.
However,
despite
advancements
learning-based
detection,
several
limitations
research
gaps
exist.
These
include
need
for
improving
interpretability
models,
addressing
challenges
limited
training
data,
handling
concept
drift
evolving
IoT
environments,
achieving
real-time
performance.
It
is
conduct
comprehensive
review
existing
address
these
as
well
identify
most
accurate
effective
approaches
This
paper
presents
an
extensive
analysis
by
collecting
results
performance
evaluations
various
studies.
The
collected
enable
identification
comparison
deep-learning
detection.
Finally,
findings
this
will
contribute
development
more
efficient
reliable
techniques
enhancing
effectiveness
Electromagnetic Biology and Medicine,
Год журнала:
2024,
Номер
43(1-2), С. 31 - 45
Опубликована: Фев. 18, 2024
This
paper
proposes
a
novel
approach,
BTC-SAGAN-CHA-MRI,
for
the
classification
of
brain
tumors
using
SAGAN
optimized
with
Color
Harmony
Algorithm.
Brain
cancer,
its
high
fatality
rate
worldwide,
especially
in
case
tumors,
necessitates
more
accurate
and
efficient
methods.
While
existing
deep
learning
approaches
tumor
have
been
suggested,
they
often
lack
precision
require
substantial
computational
time.The
proposed
method
begins
by
gathering
input
MR
images
from
BRATS
dataset,
followed
pre-processing
step
Mean
Curvature
Flow-based
approach
to
eliminate
noise.
The
pre-processed
then
undergo
Improved
Non-Sub
sampled
Shearlet
Transform
(INSST)
extracting
radiomic
features.
These
features
are
fed
into
SAGAN,
which
is
Algorithm
categorize
different
types,
including
Gliomas,
Meningioma,
Pituitary
tumors.
innovative
shows
promise
enhancing
efficiency
classification,
holding
potential
improved
diagnostic
outcomes
field
medical
imaging.
accuracy
acquired
identification
99.29%.
BTC-SAGAN-CHA-MRI
technique
achieves
18.29%,
14.09%
7.34%
higher
67.92%,54.04%,
59.08%
less
Computation
Time
when
analyzed
models,
like
diagnosis
utilizing
convolutional
neural
network
transfer
(BTC-KNN-SVM-MRI);
M3BTCNet:
multi
model
categorization
under
metaheuristic
optimization
(BTC-CNN-DEMFOA-MRI),
depending
upon
hierarchical
classifier
tumour
(BTC-Hie
DNN-MRI)
respectively.
Journal of King Saud University - Computer and Information Sciences,
Год журнала:
2024,
Номер
36(2), С. 101974 - 101974
Опубликована: Фев. 1, 2024
Path
planning
for
mobile
robots
poses
a
challenging
optimization
problem,
requiring
the
discovery
of
near-optimal
path
within
diverse
constraints.
Conventional
particle
swarm
(PSO)
algorithms
encounter
limitations
in
solving
constrained
problems,
vulnerability
to
local
optima,
and
premature
convergence.
To
address
these
challenges,
this
paper
proposes
bi-population
PSO
algorithm
with
random
perturbation
strategy
(BPPSO),
which
divides
particles
into
two
subpopulations.
The
first
subpopulation
enhances
global
search
capabilities
by
considering
quality
optimal
solution
randomly
selected
when
updating
velocities.
second
strengthens
using
linear
cognitive
coefficient
adjustment
strategy.
Moreover,
counter
tracks
iteration
without
improvement
best
position.
Upon
reaching
predefined
threshold,
is
added
positions
all
both
subpopulations,
increasing
diversity
enhancing
ability
escape
optima.
performance
BPPSO
was
experimentally
validated
across
three
benchmark
functions
four
environment
models.
results
have
demonstrated
that
proposed
outperforms
existing
other
established
terms
running
time,
highlighting
feasibility
resolving
challenge
robot
planning.
Journal of Engineering and Applied Science,
Год журнала:
2024,
Номер
71(1)
Опубликована: Март 21, 2024
Abstract
This
paper
thoroughly
explores
the
role
of
object
detection
in
smart
cities,
specifically
focusing
on
advancements
deep
learning-based
methods.
Deep
learning
models
gain
popularity
for
their
autonomous
feature
learning,
surpassing
traditional
approaches.
Despite
progress,
challenges
remain,
such
as
achieving
high
accuracy
urban
scenes
and
meeting
real-time
requirements.
The
study
aims
to
contribute
by
analyzing
state-of-the-art
algorithms,
identifying
accurate
evaluating
performance
using
Average
Precision
at
Medium
Intersection
over
Union
(IoU)
metric.
reported
results
showcase
various
algorithms’
performance,
with
Dynamic
Head
(DyHead)
emerging
top
scorer,
excelling
accurately
localizing
classifying
objects.
Its
precision
recall
medium
IoU
thresholds
signify
robustness.
suggests
considering
mean
(mAP)
metric
a
comprehensive
evaluation
across
thresholds,
if
available.
this,
DyHead
stands
out
superior
algorithm,
particularly
making
it
suitable
precise
city
applications.
analysis
is
reinforced
Low
(APL),
consistently
depicting
DyHead’s
superiority.
These
findings
provide
valuable
insights
researchers
practitioners,
guiding
them
toward
employing
tasks
prioritizing
localization
classification
cities.
Overall,
navigates
through
complexities
environments,
presenting
leading
solution
robust
metrics.
International Journal of Advanced Computer Science and Applications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Янв. 1, 2024
Fire
and
smoke
detection
in
IoT
surveillance
systems
is
of
utmost
importance
for
ensuring
public
safety
preventing
property
damage.
While
traditional
methods
have
been
used
fire
detection,
deep
learning-based
approaches
gained
significant
attention
due
to
their
ability
learn
complex
patterns
achieve
high
accuracy.
This
paper
addresses
the
current
research
challenge
achieving
accuracy
rates
with
while
keeping
computation
costs
low.
proposes
a
method
based
on
Yolov8
algorithm
that
effectively
tackles
this
through
model
generation
using
custom
dataset
model's
training,
validation,
testing.
The
efficacy
succinctly
assessed
by
precision,
recall
F1-curve
metrics,
notable
proficiency
crucial
early
warnings
prevention.
Experimental
results
performance
evaluations
show
our
proposed
outperforms
other
state-of-the-art
methods.
makes
it
promising
approach
systems.
This
study
introduces
a
sophisticated
neural
network
structure
for
segmenting
breast
tumors.
It
achieves
this
by
combining
pretrained
Vision
Transformer
(ViT)
model
with
U-Net
framework.
The
architecture,
commonly
employed
biomedical
image
segmentation,
is
further
enhanced
Depthwise
Separable
Convolutional
Blocks
to
decrease
computational
complexity
and
parameter
count,
resulting
in
better
efficiency
less
overfitting.
Transformer,
renowned
its
robust
feature
extraction
capabilities
utilizing
self-attention
processes,
efficiently
captures
the
overall
context
within
images,
surpassing
performance
of
conventional
convolutional
networks.
By
using
ViT
as
encoder
our
model,
we
take
advantage
extensive
representations
acquired
from
datasets,
major
enhancement
model’s
ability
generalize
train
efficiently.
suggested
has
exceptional
cancers
medical
highlighting
advantages
integrating
transformer-based
encoders
efficient
topologies.
hybrid
methodology
emphasizes
transformers
field
processing
establishes
new
standard
accuracy
activities
related
tumor
segmentation.
Bioengineering,
Год журнала:
2024,
Номер
11(9), С. 945 - 945
Опубликована: Сен. 21, 2024
This
study
introduces
a
sophisticated
neural
network
structure
for
segmenting
breast
tumors.
It
achieves
this
by
combining
pretrained
Vision
Transformer
(ViT)
model
with
UNet
framework.
The
architecture,
commonly
employed
biomedical
image
segmentation,
is
further
enhanced
depthwise
separable
convolutional
blocks
to
decrease
computational
complexity
and
parameter
count,
resulting
in
better
efficiency
less
overfitting.
ViT,
renowned
its
robust
feature
extraction
capabilities
utilizing
self-attention
processes,
efficiently
captures
the
overall
context
within
images,
surpassing
performance
of
conventional
networks.
By
using
ViT
as
encoder
our
model,
we
take
advantage
extensive
representations
acquired
from
datasets,
major
enhancement
model’s
ability
generalize
train
efficiently.
suggested
has
exceptional
cancers
medical
highlighting
advantages
integrating
transformer-based
encoders
efficient
topologies.
hybrid
methodology
emphasizes
transformers
field
processing
establishes
new
standard
accuracy
activities
related
tumor
segmentation.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 16, 2025
Nanoparticles
have
great
potential
for
the
application
in
new
energy
and
aerospace
fields.
The
distribution
of
nanoparticle
sizes
is
a
critical
determinant
material
properties
serves
as
significant
parameter
defining
characteristics
zero-dimensional
nanomaterials.
In
this
study,
we
proposed
HRU2-Net†,
an
enhancement
U2-Net†
model,
featuring
multi-level
semantic
information
fusion.
This
approach
exhibits
strong
competitiveness
refined
segmentation
capabilities
segmentation.
It
achieves
Mean
intersection
over
union
(MIoU)
87.31%,
with
accuracy
rate
exceeding
97.31%,
leading
to
improvement
effectiveness
precision.
results
show
that
deep
learning-based
method
significantly
enhances
efficacy
nanomaterial
research,
which
holds
substantial
significance
advancement
science.