Applied Ocean Research,
Journal Year:
2023,
Volume and Issue:
131, P. 103456 - 103456
Published: Jan. 11, 2023
Recent
advances
in
robotics
and
autonomous
systems
(RAS)
have
significantly
improved
the
autonomy
level
of
unmanned
surface
vehicles
(USVs)
made
them
capable
undertaking
demanding
tasks
various
environments.
During
operation
USVs,
apart
from
normal
situations,
it
is
those
unexpected
scenes,
such
as
busy
waterways
or
navigation
dust/nighttime,
impose
most
dangers
to
USVs
these
scenes
are
rarely
seen
during
training.
Such
a
rare
occurrence
also
makes
manual
collection
recording
into
dataset
difficult,
expensive
inefficient,
with
majority
existing
public
available
datasets
not
able
fully
cover
them.
One
many
plausible
solutions
purposely
generate
data
using
computer
vision
techniques
assistance
high-fidelity
simulations
that
can
create
desirable
motions/scenarios.
However,
stylistic
difference
between
simulation
images
natural
would
cause
domain
shift
problem.
Hence,
there
need
for
designing
method
transfer
distribution
styles
realistic
domain.
This
paper
proposes
evaluates
novel
solution
fill
this
gap
Generative
Adversarial
Network
(GAN)
based
model,
ShipGAN,
translate
images.
Experiments
were
carried
out
investigate
feasibility
generating
GAN-based
image
translation
models.
The
synthetic
demonstrated
be
reliable
by
object
detection
segmentation
algorithms
trained
Journal Of Big Data,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: April 14, 2023
Abstract
Data
scarcity
is
a
major
challenge
when
training
deep
learning
(DL)
models.
DL
demands
large
amount
of
data
to
achieve
exceptional
performance.
Unfortunately,
many
applications
have
small
or
inadequate
train
frameworks.
Usually,
manual
labeling
needed
provide
labeled
data,
which
typically
involves
human
annotators
with
vast
background
knowledge.
This
annotation
process
costly,
time-consuming,
and
error-prone.
every
framework
fed
by
significant
automatically
learn
representations.
Ultimately,
larger
would
generate
better
model
its
performance
also
application
dependent.
issue
the
main
barrier
for
dismissing
use
DL.
Having
sufficient
first
step
toward
any
successful
trustworthy
application.
paper
presents
holistic
survey
on
state-of-the-art
techniques
deal
models
overcome
three
challenges
including
small,
imbalanced
datasets,
lack
generalization.
starts
listing
techniques.
Next,
types
architectures
are
introduced.
After
that,
solutions
address
listed,
such
as
Transfer
Learning
(TL),
Self-Supervised
(SSL),
Generative
Adversarial
Networks
(GANs),
Model
Architecture
(MA),
Physics-Informed
Neural
Network
(PINN),
Deep
Synthetic
Minority
Oversampling
Technique
(DeepSMOTE).
Then,
these
were
followed
some
related
tips
about
acquisition
prior
purposes,
well
recommendations
ensuring
trustworthiness
dataset.
The
ends
list
that
suffer
from
scarcity,
several
alternatives
proposed
in
order
more
each
Electromagnetic
Imaging
(EMI),
Civil
Structural
Health
Monitoring,
Medical
imaging,
Meteorology,
Wireless
Communications,
Fluid
Mechanics,
Microelectromechanical
system,
Cybersecurity.
To
best
authors’
knowledge,
this
review
offers
comprehensive
overview
strategies
tackle
Expert Systems with Applications,
Journal Year:
2023,
Volume and Issue:
242, P. 122807 - 122807
Published: Dec. 2, 2023
Deep
learning
has
emerged
as
a
powerful
tool
in
various
domains,
revolutionising
machine
research.
However,
one
persistent
challenge
is
the
scarcity
of
labelled
training
data,
which
hampers
performance
and
generalisation
deep
models.
To
address
this
limitation,
researchers
have
developed
innovative
methods
to
overcome
data
enhance
model
capabilities.
Two
prevalent
techniques
that
gained
significant
attention
are
transfer
self-supervised
learning.
Transfer
leverages
knowledge
learned
from
pre-training
on
large-scale
dataset,
such
ImageNet,
applies
it
target
task
with
limited
data.
This
approach
allows
models
benefit
representations
effectively
new
tasks,
resulting
improved
generalisation.
On
other
hand,
focuses
using
pretext
tasks
do
not
require
manual
annotation,
allowing
them
learn
valuable
large
amounts
unlabelled
These
can
then
be
fine-tuned
for
downstream
mitigating
need
extensive
In
recent
years,
found
applications
fields,
including
medical
image
processing,
video
recognition,
natural
language
processing.
approaches
demonstrated
remarkable
achievements,
enabling
breakthroughs
areas
disease
diagnosis,
object
understanding.
while
these
offer
numerous
advantages,
they
also
limitations.
For
example,
may
face
domain
mismatch
issues
between
requires
careful
design
ensure
meaningful
representations.
review
paper
explores
fields
within
past
three
years.
It
delves
into
advantages
limitations
each
approach,
assesses
employing
techniques,
identifies
potential
directions
future
By
providing
comprehensive
current
methods,
article
offers
guidance
selecting
best
technique
specific
issue.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Jan. 4, 2024
Abstract
The
most
widely
used
method
for
detecting
Coronavirus
Disease
2019
(COVID-19)
is
real-time
polymerase
chain
reaction.
However,
this
has
several
drawbacks,
including
high
cost,
lengthy
turnaround
time
results,
and
the
potential
false-negative
results
due
to
limited
sensitivity.
To
address
these
issues,
additional
technologies
such
as
computed
tomography
(CT)
or
X-rays
have
been
employed
diagnosing
disease.
Chest
are
more
commonly
than
CT
scans
widespread
availability
of
X-ray
machines,
lower
ionizing
radiation,
cost
equipment.
COVID-19
presents
certain
radiological
biomarkers
that
can
be
observed
through
chest
X-rays,
making
it
necessary
radiologists
manually
search
biomarkers.
process
time-consuming
prone
errors.
Therefore,
there
a
critical
need
develop
an
automated
system
evaluating
X-rays.
Deep
learning
techniques
expedite
process.
In
study,
deep
learning-based
called
Custom
Convolutional
Neural
Network
(Custom-CNN)
proposed
identifying
infection
in
Custom-CNN
model
consists
eight
weighted
layers
utilizes
strategies
like
dropout
batch
normalization
enhance
performance
reduce
overfitting.
approach
achieved
classification
accuracy
98.19%
aims
accurately
classify
COVID-19,
normal,
pneumonia
samples.
Computers in Biology and Medicine,
Journal Year:
2025,
Volume and Issue:
189, P. 109834 - 109834
Published: March 1, 2025
This
paper
presents
a
comprehensive
systematic
review
of
generative
models
(GANs,
VAEs,
DMs,
and
LLMs)
used
to
synthesize
various
medical
data
types,
including
imaging
(dermoscopic,
mammographic,
ultrasound,
CT,
MRI,
X-ray),
text,
time-series,
tabular
(EHR).
Unlike
previous
narrowly
focused
reviews,
our
study
encompasses
broad
array
modalities
explores
models.
Our
aim
is
offer
insights
into
their
current
future
applications
in
research,
particularly
the
context
synthesis
applications,
generation
techniques,
evaluation
methods,
as
well
providing
GitHub
repository
dynamic
resource
for
ongoing
collaboration
innovation.
search
strategy
queries
databases
such
Scopus,
PubMed,
ArXiv,
focusing
on
recent
works
from
January
2021
November
2023,
excluding
reviews
perspectives.
period
emphasizes
advancements
beyond
GANs,
which
have
been
extensively
covered
reviews.
The
survey
also
aspect
conditional
generation,
not
similar
work.
Key
contributions
include
broad,
multi-modality
scope
that
identifies
cross-modality
opportunities
unavailable
single-modality
surveys.
While
core
techniques
are
transferable,
we
find
methods
often
lack
sufficient
integration
patient-specific
context,
clinical
knowledge,
modality-specific
requirements
tailored
unique
characteristics
data.
Conditional
leveraging
textual
conditioning
multimodal
remain
underexplored
but
promising
directions
findings
structured
around
three
themes:
(1)
Synthesis
highlighting
clinically
valid
significant
gaps
using
synthetic
augmentation,
validation
evaluation;
(2)
Generation
identifying
personalization
innovation;
(3)
Evaluation
revealing
absence
standardized
benchmarks,
need
large-scale
validation,
importance
privacy-aware,
relevant
frameworks.
These
emphasize
benchmarking
comparative
studies
promote
openness
collaboration.