Toward Inclusive Smart Cities: Sound-Based Vehicle Diagnostics, Emergency Signal Recognition, and Beyond
Machines,
Год журнала:
2025,
Номер
13(4), С. 258 - 258
Опубликована: Март 21, 2025
Sound-based
early
fault
detection
for
vehicles
is
a
critical
yet
underexplored
area,
particularly
within
Intelligent
Transportation
Systems
(ITSs)
smart
cities.
Despite
the
clear
necessity
sound-based
diagnostic
systems,
scarcity
of
specialized
publicly
available
datasets
presents
major
challenge.
This
study
addresses
this
gap
by
contributing
in
multiple
dimensions.
Firstly,
it
emphasizes
significance
diagnostics
real-time
faults
through
analyzing
sounds
directly
generated
vehicles,
such
as
engine
or
brake
noises,
and
classification
external
emergency
sounds,
like
sirens,
relevant
to
vehicle
safety.
Secondly,
paper
introduces
novel
dataset
encompassing
environmental
noises
specifically
curated
address
absence
datasets.
A
comprehensive
framework
proposed,
combining
audio
preprocessing,
feature
extraction
(via
Mel
Spectrograms,
MFCCs,
Chromatograms),
using
11
models.
Evaluations
both
compact
(52
features)
expanded
(126
representations
show
that
several
classes
(e.g.,
Engine
Misfire,
Fuel
Pump
Cartridge
Fault,
Radiator
Fan
Failure)
achieve
near-perfect
accuracy,
though
acoustically
similar
Universal
Joint
Failure,
Knocking,
Pre-ignition
Problem
remain
challenging.
Logistic
Regression
yielded
highest
accuracy
86.5%
(DB1)
features,
while
neural
networks
performed
best
DB2
DB3,
achieving
88.4%
85.5%,
respectively.
In
second
scenario,
Bayesian-Optimized
Weighted
Soft
Voting
with
Feature
Selection
(BOWSVFS)
approach
significantly
enhancing
91.04%
DB1,
88.85%
DB2,
86.85%
DB3.
These
results
highlight
effectiveness
proposed
methods
addressing
key
ITS
limitations
accessibility
individuals
disabilities
auditory-based
recognition
systems.
Язык: Английский
Towards ovarian cancer diagnostics: A vision transformer-based computer-aided diagnosis framework with enhanced interpretability
Results in Engineering,
Год журнала:
2024,
Номер
23, С. 102651 - 102651
Опубликована: Авг. 2, 2024
Ovarian
cancer,
a
significant
threat
to
women's
health,
demands
innovative
diagnostic
approaches.
This
paper
introduces
groundbreaking
Computer-Aided
Diagnosis
(CAD)
framework
for
the
classification
of
ovarian
integrating
Vision
Transformer
(ViT)
models
and
Local
Interpretable
Model-agnostic
Explanations
(LIME).
ViT
models,
including
ViT-Base-P16-224-In21K,
ViT-Base-P16-224,
ViT-Base-P32-384,
ViT-Large-P32-384,
exhibit
exceptional
accuracy,
precision,
recall,
overall
robust
performance
across
diverse
evaluation
metrics.
The
incorporation
stacked
model
further
enhances
performance.
Experimental
results,
conducted
on
UBC-OCEAN
training
testing
datasets,
highlight
proficiency
in
accurately
classifying
cancer
subtypes
based
histopathological
images.
ViT-Large-P32-384
stands
out
as
top
performer,
achieving
98.79%
accuracy
during
97.37%
testing.
Visualizations,
Receiver
Operating
Characteristic
(ROC)
curves
(LIME),
provide
insights
into
discriminative
capabilities
enhance
interpretability.
proposed
CAD
represents
advancement
diagnostics,
offering
promising
avenue
accurate
transparent
multi-class
Язык: Английский