Energy-efficient routing protocols for UWSNs: A comprehensive review of taxonomy, challenges, opportunities, future research directions, and machine learning perspectives
Journal of King Saud University - Computer and Information Sciences,
Год журнала:
2024,
Номер
36(7), С. 102128 - 102128
Опубликована: Июль 24, 2024
Underwater
Wireless
Sensor
Networks
(UWSNs)
are
essential
for
a
number
of
environmental
and
oceanographic
monitoring
applications.
However,
they
face
different
more
complex
challenges
than
terrestrial
wireless
sensor
networks
(TWSNs).
The
main
faced
by
UWSNs
limited
include
high
propagation
delays,
poor
bandwidth,
low
throughput,
energy
consumption.
Replacing
batteries
in
such
becomes
extremely
difficult
as
usually
deployed
remote
areas
where
human
interaction
is
possible.
unbalanced
inefficient
usage
various
network
nodes
poses
another
issue,
it
may
reduce
the
applicability
feasibility
network.
Therefore,
proposing
Energy-Efficient
Routing
Protocols
(E-ER-Ps)
crucial
to
improve
performance
lifespan
these
networks.
Due
mentioned
earlier,
this
research
presents
an
extensive
analysis
several
E-ER-Ps
intended
UWSNs.
We
compare
contemporary
approaches
that
use
machine
learning
(ML)
with
conventional
protocols,
ML-based
have
shown
significant
potential
resolving
intricate
This
paper
aims
present
critical
review
from
prospects
To
better
comprehend
structure
uses
we
provide
innovative
taxonomy
their
classification.
While
protocols
evaluated
flexibility,
predictive
power,
overall
efficiency
advancements,
traditional
based
on
routing
tactics
energy-efficiency
improvements.
A
thorough
comparative
highlights
advantages,
disadvantages,
possible
protocols.
Furthermore,
ML's
function,
incorporating
intelligent
adaptive
approaches,
presented,
highlighting
technology's
completely
alter
UWSN
management.
formulate
implement
UWSNs,
article
concludes
obstacles,
including
need
real-time
resilience
alters,
pre-existing
infrastructures.
development
hybrid
combine
methodologies,
design
can
adapt
dynamically
changing
circumstances
underwater
habitats
highlighted
future
objectives.
provides
foundation
advancements
field
presenting
comprehensive
overview
state-of-the-art
E-ER-Ps.
Язык: Английский
Advances in Thermal Imaging: A Convolutional Neural Network Approach for Improved Breast Cancer Diagnosis
Опубликована: Март 15, 2024
This
study
explores
the
application
of
thermal
imaging
in
breast
cancer
diagnostics,
presenting
a
novel
methodology
that
integrates
pre-processing
techniques
and
Convolutional
Neural
Networks
(CNN)
for
classification
images.
A
comprehensive
dataset
from
DMR
Database
is
used,
comprising
balanced
samples
normal
cancerous
The
images
are
augmented,
standardized,
enhanced
through
data
augmentation,
resizing,
filtering,
with
crucial
features
extracted
via
Histogram
Oriented
Gradients
(HOG).
CNN
model,
specifically
constructed
this
study,
then
trained
tested
on
these
processed
approach's
effectiveness
benchmarked
against
other
classifiers,
displaying
promising
results
accuracy
rates
ranging
95.7%
to
98.5%.
Future
work
suggests
exploring
fusion
traditional
advanced
modalities,
expanding
datasets,
utilizing
pre-trained
models
improved
diagnostic
precision.
research
signifies
step
toward
development
real-time,
efficient
tools
cancer,
highlighting
potential
impact
patient
outcomes
broader
medical
field.
Язык: Английский
Advancing diabetic retinopathy diagnosis with fundus imaging: A comprehensive survey of computer-aided detection, grading and classification methods
Global Transitions,
Год журнала:
2024,
Номер
6, С. 93 - 112
Опубликована: Янв. 1, 2024
The
incidence
of
diabetic
retinopathy
globally
calls
for
advanced
and
more
universally
applicable
computer-aided
diagnosis
(CAD)
systems.
This
survey
paper
explores
the
current
state
vision-based
CAD
techniques
detection
classification
retinopathy,
a
diabetes-induced
eye
disorder
that
can
lead
to
severe
visual
impairment
or
blindness.
Characterized
by
variety
manifestations
including
microaneurysms,
exudates,
hemorrhages,
macular
detachment,
presents
substantial
challenges
automated
detection.
is
primarily
due
heterogeneity
retinal
fundus
images,
which
display
diverse
spatiotextural
features
intricate
vascular
structures.
Our
exhaustive
review
indicates
most
existing
methodologies
predominantly
concentrate
on
isolated
types,
employing
localized
feature
analysis
classification.
Such
specificity
often
results
in
limited
accuracy
generalizability,
restricting
practical
real-world
application.
Furthermore,
contemporary
leading
methods
generally
focus
single
characteristics,
necessitating
patients
undergo
multiple
procedures,
thereby
increasing
time,
costs,
possibly
intensifying
complexities.
To
overcome
these
obstacles,
we
propose
adoption
multi-trait-driven
solutions.
Utilizing
potent
capabilities
deep
learning,
solutions
could
employ
high-dimensional,
multi-cue
sensitive
extraction
ensemble
learning
approach
designed
improve
generalizability
dependability
systems,
offering
holistic
solution
capable
effectively
managing
retinopathy.
study
highlights
need
fundamental
transformation
motivating
further
research
towards
robust,
multi-modal
enhance
detection,
classification,
grading
this
widespread
ailment.
Язык: Английский
Leveraging Transfer Learning for Efficient Diagnosis of COPD Using CXR Images and Explainable AI Techniques
INTELIGENCIA ARTIFICIAL,
Год журнала:
2024,
Номер
27(74), С. 133 - 151
Опубликована: Июнь 12, 2024
Chronic
Obstructive
Pulmonary
Disease
(COPD)
is
a
predominant
global
health
concern,
ranking
third
in
mortality
rates,
yet
frequently
remains
undiagnosed
until
its
advanced
stages.
Given
prevalence,
the
need
for
innovative
and
widely
accessible
diagnostic
tools
has
never
been
more
paramount.
While
spirometry
tests
serve
as
conventional
benchmarks,
their
reach
limited,
especially
regions
with
constrained
medical
resources.
The
presented
research
harnesses
deep
learning
algorithms
to
facilitate
early-stage
COPD
detection,
specifically
targeting
Chest
X-rays
(CXRs).
clinically
annotated
VinDR-CXR
dataset
provides
primary
foundation
model
training,
complemented
by
incorporating
ChestX-ray14
initial
pre-training.
Such
dual-dataset
strategy
augments
generalization
adaptability.
Among
several
explored
Convolutional
Neural
Network
(CNN)
architectures,
Xception
emerges
frontrunner.
Through
transfer
methodologies,
this
produces
noteworthy
recall
rate
of
98.2%,
markedly
surpassing
metrics
ResNet50
model.
Recognizing
imperative
transparency
AI
applications
imaging,
integrates
essential
explainability
approaches
viz:
Gradient
Class
Activation
Mapping
(Grad-CAM)
SHapley
Additive
exPlanations
(SHAP).
These
techniques
elucidate
AI’s
decision-making
process,
offering
invaluable
visual
analytical
insights
fostering
trust
among
professionals.
In
essence,
study
not
only
underscores
potential
integrating
imaging
detection
but
also
accentuates
pivotal
role
AI-driven
interventions.
Язык: Английский
Enhanced diabetic retinopathy detection and classification using fundus images with ResNet50 and CLAHE-GAN
Sowmyashree Bhoopal,
Mahesh K. Rao,
Chethan Hasigala Krishnappa
и другие.
Indonesian Journal of Electrical Engineering and Computer Science,
Год журнала:
2024,
Номер
35(1), С. 366 - 366
Опубликована: Май 6, 2024
Diabetic
retinopathy
(DR),
a
progressive
eye
disorder,
can
lead
to
irreversible
vision
impairment
ranging
from
no
DR
severe
DR,
necessitating
precise
identification
for
early
treatment.
This
study
introduces
an
innovative
deep
learning
(DL)
approach,
surpassing
traditional
methods
in
detecting
stages.
It
evaluated
two
scenarios
training
DL
models
on
balanced
datasets.
The
first
employed
image
enhancement
via
contrast
limited
adaptive
histogram
equalization
(CLAHE)
and
generative
adversarial
network
(GAN),
while
the
second
did
not
involve
any
enhancement.
Tested
Asia
pacific
tele-ophthalmology
society
2019
blindness
detection
(APTOS-2019
BD)
dataset,
enhanced
model
(scenario
1)
reached
98%
accuracy
99%
Cohen
kappa
score
(CKS),
with
non-enhanced
2)
achieving
95.4%
90.5%
CKS.
combination
of
CLAHE
GAN,
termed
CLANG,
significantly
boosted
model's
performance
generalizability.
advancement
is
pivotal
intervention,
offering
new
pathway
prevent
loss
diabetic
patients.
Язык: Английский
Exploring open source and proprietary LoRa mesh technologies
Indonesian Journal of Electrical Engineering and Computer Science,
Год журнала:
2024,
Номер
34(2), С. 960 - 960
Опубликована: Март 23, 2024
This
paper
explores
low
power
wide
area
network
(LPWAN)
LoRa
and
its
diverse
variants,
encompassing
open-source
proprietary
wireless
mesh
networks,
operating
over
the
physical
or
LoRaWAN
layer.
The
primary
challenge
lies
in
defining
an
optimal
solution
that
balances
cost-effectiveness,
energy
efficiency,
latency,
long-range
capability,
security.
study
also
comprehensively
examines
key
solutions
from
2017
to
2024,
as
proposed
by
various
authors.
Furthermore,
a
detailed
analysis
is
conducted
contrast
commercial
solutions,
considering
their
applications,
limitations,
issues,
characteristics,
pros
cons
of
routing
protocols.
In
current
landscape,
proliferation
has
been
instrumental
facilitating
connectivity
internet
things
(IoT)
devices.
However,
these
pose
challenges
related
consumption,
suboptimal
transmission
throughput.
These
are
influenced
characteristics
such
spectrum
factor,
bandwidth,
power,
which
directly
impact
range.
Our
research
aims
perform
comparative
existing
by,
systematically
studying
advantages
disadvantages.
offers
valuable
insights
for
making
informed
choices
among
domains
IoT
applications.
Язык: Английский