Journal Of Big Data,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: Sept. 26, 2023
Abstract
Automated
detection
of
defects
on
metal
surfaces
is
crucial
for
ensuring
quality
control.
However,
the
scarcity
labeled
datasets
emerging
target
poses
a
significant
obstacle.
This
study
proposes
self-supervised
representation-learning
model
that
effectively
addresses
this
limitation
by
leveraging
both
and
unlabeled
data.
The
proposed
was
developed
based
contrastive
learning
framework,
supported
an
augmentation
pipeline
lightweight
convolutional
encoder.
effectiveness
approach
representation
evaluated
using
pretraining
dataset
created
from
three
benchmark
datasets.
Furthermore,
performance
validated
NEU
surface-defect
dataset.
results
revealed
method
achieved
classification
accuracy
97.78%,
even
with
fewer
trainable
parameters
than
models.
Overall,
extracted
meaningful
representations
image
data
can
be
employed
in
downstream
tasks
steel
defect
to
improve
control
reduce
inspection
costs.
Automation in Construction,
Journal Year:
2024,
Volume and Issue:
160, P. 105297 - 105297
Published: Jan. 31, 2024
This
study
explored
the
performance
of
ten
pre-trained
CNN
architectures
in
detecting
and
classifying
asphalt
pavement
cracks
from
images.
A
comparison
eight
optimisation
techniques
led
to
developing
an
optimised
model
tailored
for
crack
classification,
with
DenseNet201
emerging
as
most
effective,
closely
followed
by
ShuffleNet
ResNet101.
Conversely,
VGG16
exhibited
notably
lower
accuracy
among
models
evaluated.
Through
application
diverse
feature
selection
optimisers,
consistently
outperformed
others,
DarkNet19
Xception.
Despite
employing
different
VGG19
demonstrated
inferior
performance.
The
research
introduced
a
novel
approach
utilising
GWO
optimiser
validated
against
various
models.
Its
robustness
was
verified
testing
images
contaminated
differing
levels
types
noise,
yielding
promising
outcomes.
Results
underscore
method's
potential
accurately
types,
implying
applicability
real-world
scenarios.
Journal of Environmental Management,
Journal Year:
2024,
Volume and Issue:
351, P. 119908 - 119908
Published: Jan. 1, 2024
The
construction
industry
generates
a
substantial
volume
of
solid
waste,
often
destinated
for
landfills,
causing
significant
environmental
pollution.
Waste
recycling
is
decisive
in
managing
waste
yet
challenging
due
to
labor-intensive
sorting
processes
and
the
diverse
forms
waste.
Deep
learning
(DL)
models
have
made
remarkable
strides
automating
domestic
recognition
sorting.
However,
application
DL
recognize
derived
from
construction,
renovation,
demolition
(CRD)
activities
remains
limited
context-specific
studies
conducted
previous
research.
This
paper
aims
realistically
capture
complexity
streams
CRD
context.
study
encompasses
collecting
annotating
images
real-world,
uncontrolled
environments.
It
then
evaluates
performance
state-of-the-art
automatically
recognizing
in-the-wild.
Several
pre-trained
networks
are
utilized
perform
effectual
feature
extraction
transfer
during
model
training.
results
demonstrated
that
models,
whether
integrated
with
larger
or
lightweight
backbone
can
composition
in-the-wild
which
useful
automated
outcome
emphasized
applicability
across
various
industrial
domains,
thereby
contributing
resource
recovery
encouraging
management
efforts.
Sensors,
Journal Year:
2025,
Volume and Issue:
25(2), P. 527 - 527
Published: Jan. 17, 2025
To
automate
the
quality
control
of
painted
surfaces
heating
devices,
an
automatic
defect
detection
and
classification
system
was
developed
by
combining
deflectometry
bright
light-based
illumination
on
image
acquisition,
deep
learning
models
for
non-defective
(OK)
defective
(NOK)
that
fused
dual-modal
information
at
decision
level,
online
network
dispatching
visualization.
Three
decision-making
algorithms
were
tested
implementation:
a
new
model
built
trained
from
scratch
transfer
pre-trained
networks
(ResNet-50
Inception
V3).
The
results
revealed
two
modes
employed
widened
type
defects
could
be
identified
with
this
system,
while
maintaining
its
lower
computational
complexity
performing
multi-modal
fusion
level.
Furthermore,
achieved
higher
accuracies
compared
to
self-built
network,
ResNet-50
displaying
accuracy.
inspection
consistently
obtained
fast
accurate
surface
classifications
because
it
imposed
OK
images
both
modes.
then
successfully
sent
server
forwarded
graphical
user
interface
showed
considerable
robustness,
demonstrating
potential
as
efficient
tool
industrial
control.
Indian Journal of Information Sources and Services,
Journal Year:
2024,
Volume and Issue:
14(1), P. 93 - 100
Published: March 30, 2024
The
deep
Convolutional
Neural
Network
(CNN)
architecture
used
in
this
research
study
provides
a
proof
of
concept
for
crack
detection
on
the
metallic
surface
hex
nut.
goal
is
to
create
an
automated
receiving
inspection
process
supplement
human
inspections
conducted
on-site.
Conventional
image
processing
techniques
(IPTs)
have
been
extensively
mechanical
infrastructure
fault
detection.
These
focus
modification
extract
typical
features,
such
as
fractures
materials
like
steel
and
concrete.
However,
obstacles
presented
by
variety
real-world
variables,
changes
lighting
shadows,
make
it
difficult
use
IPTs.
Our
suggested
vision-based
method
employs
learning
CNN
overcome
these
difficulties,
eliminating
need
explicitly
compare
features.
CNNs
are
more
resilient
shifting
situations
than
IPTs
since
they
naturally
trained
identify
characteristics
images.
Following
training
dataset
1081
images
with
dimensions
256
x
pixels,
VGG16
achieved
impressive
accuracy
around
94.17%.
Additional
architectures,
including
ResNet,
MobileNet,
AlexNet,
LeNet-5,
employed
assess
accuracies
order
select
most
appropriate
model.
To
evaluate
robustness
flexibility
various
situations,
we
tests
206
from
alternative
structure
that
was
not
part
dataset.
depicted
range
circumstances,
intense
light
patches
tiny
fissures.
outcomes
showed
our
proposed
outperforms
current
approaches,
highlighting
its
usefulness
practical
involving
identification
defects.
Sensors,
Journal Year:
2024,
Volume and Issue:
24(6), P. 1936 - 1936
Published: March 18, 2024
Surface
crack
detection
is
an
integral
part
of
infrastructure
health
surveys.
This
work
presents
a
transformative
shift
towards
rapid
and
reliable
data
collection
capabilities,
dramatically
reducing
the
time
spent
on
inspecting
infrastructures.
Two
unmanned
aerial
vehicles
(UAVs)
were
deployed,
enabling
capturing
images
simultaneously
for
efficient
coverage
structure.
The
suggested
drone
hardware
especially
suitable
inspection
with
confined
spaces
that
UAVs
broader
footprint
are
incapable
accessing
due
to
lack
safe
access
or
positioning
data.
collected
image
analyzed
using
binary
classification
convolutional
neural
network
(CNN),
effectively
filtering
out
containing
cracks.
A
comparison
state-of-the-art
CNN
architectures
against
novel
layout
“CrackClassCNN”
was
investigated
obtain
optimal
classification.
Segment
Anything
Model
(SAM)
employed
segment
defect
areas,
its
performance
benchmarked
manually
annotated
images.
achieved
accuracy
rate
95.02%,
SAM
segmentation
process
yielded
mean
Intersection
over
Union
(IoU)
score
0.778
F1
0.735.
It
concluded
selected
UAV
platform,
communication
network,
processing
techniques
highly
effective
in
surface
detection.