IEEE Access,
Год журнала:
2023,
Номер
11, С. 69295 - 69309
Опубликована: Янв. 1, 2023
Colorectal
polyps
is
a
prevalent
medical
condition
that
could
lead
to
colorectal
cancer,
leading
cause
of
cancer-related
mortality
globally,
if
left
undiagnosed.
Colonoscopy
remains
the
gold
standard
for
detection
and
diagnosis
neoplasia;
however,
significant
proportion
neoplastic
lesions
are
missed
during
routine
examinations,
particularly
diminutive
flat
lesions.
Deep
learning
techniques
have
been
employed
improve
polyp
rates
in
colonoscopy
images
proven
successful
reducing
miss
rate.
However,
accurate
segmentation
small
major
challenge
existing
models
as
they
struggle
differentiate
polypoid
non-polypoid
regions
apart.
To
address
this
issue,
we
present
an
enhanced
version
Multi-Scale
Attention
Network
(MA-NET)
incorporates
modified
Mix-ViT
transformer
feature
extractor.
The
facilitates
ultra-fine-grained
visual
categorization
accuracy
regions.
Additionally,
introduce
pre-processing
layer
performs
histogram
equalization
on
input
CIEL*A*B*
color
space
enhance
their
features.
Our
model
was
trained
combined
dataset
comprising
Kvasir-SEG
CVC-ColonDB
cross-validated
CVC-ClinicDB
ETIS-LaribDB.
proposed
method
demonstrates
superior
performance
compared
methods,
polyps.
IEEE Transactions on Medical Imaging,
Год журнала:
2023,
Номер
43(2), С. 674 - 685
Опубликована: Сен. 19, 2023
Medical
image
segmentation
and
classification
are
two
of
the
most
key
steps
in
computer-aided
clinical
diagnosis.
The
region
interest
were
usually
segmented
a
proper
manner
to
extract
useful
features
for
further
disease
classification.
However,
these
methods
computationally
complex
time-consuming.
In
this
paper,
we
proposed
one-stage
multi-task
attention
network
(MTANet)
which
efficiently
classifies
objects
an
while
generating
high-quality
mask
each
medical
object.
A
reverse
addition
module
was
designed
task
fusion
areas
global
map
boundary
cues
high-resolution
features,
bottleneck
used
feature
fusion.
We
evaluated
performance
MTANet
with
CNN-based
transformer-based
architectures
across
three
imaging
modalities
different
tasks:
CVC-ClinicDB
dataset
polyp
segmentation,
ISIC-2018
skin
lesion
our
private
ultrasound
liver
tumor
Our
model
outperformed
state-of-the-art
models
on
all
datasets
superior
25
radiologists
Bioengineering,
Год журнала:
2024,
Номер
11(3), С. 240 - 240
Опубликована: Фев. 28, 2024
This
paper
presents
a
novel
U-Net
model
incorporating
hybrid
attention
mechanism
for
automating
the
segmentation
of
sub-retinal
layers
in
Optical
Coherence
Tomography
(OCT)
images.
OCT
is
an
ophthalmology
tool
that
provides
detailed
insights
into
retinal
structures.
Manual
these
time-consuming
and
subjective,
calling
automated
solutions.
Our
proposed
combines
edge
spatial
mechanisms
with
architecture
to
improve
accuracy.
By
leveraging
mechanisms,
focuses
selectively
on
image
features.
Extensive
evaluations
using
datasets
demonstrate
our
outperforms
existing
approaches,
making
it
valuable
medical
professionals.
The
study
also
highlights
model's
robustness
through
performance
metrics
such
as
average
Dice
score
94.99%,
Adjusted
Rand
Index
(ARI)
97.00%,
Strength
Agreement
(SOA)
classifications
like
"Almost
Perfect",
"Excellent",
"Very
Strong".
advanced
predictive
shows
promise
expediting
processes
enhancing
precision
ocular
imaging
real-world
applications.
IEEE Access,
Год журнала:
2023,
Номер
11, С. 16621 - 16630
Опубликована: Янв. 1, 2023
Medical
image
segmentation
is
a
crucial
way
to
assist
doctors
in
the
accurate
diagnosis
of
diseases.
However,
accuracy
medical
needs
further
improvement
due
problems
many
noisy
images
and
high
similarity
between
background
target
regions.
The
current
mainstream
networks,
such
as
TransUnet,
have
achieved
segmentation.
Still,
encoders
networks
do
not
consider
local
connection
adjacent
chunks
lack
interaction
inter-channel
information
during
upsampling
decoder.
To
address
above
problems,
this
paper
proposed
dual-encoder
network,
including
HarDNet68
Transformer
branch,
which
can
extract
features
global
feature
input
image,
allowing
network
learn
more
information,
thus
improving
effectiveness
In
paper,
realize
fusion
different
dimensions
two
stages
encoding
decoding,
we
propose
adaptation
module
fuse
channel
multi-level
channels,
then
improve
accuracy.
experimental
results
on
CVC-ClinicDB,
ETIS-Larib,
COVID-19
CT
datasets
show
that
model
performs
better
four
evaluation
metrics,
Dice,
Iou,
Prec,
Sens,
achieves
both
internal
filling
edge
prediction
images.
Accurate
making
critical
cancerous
regions
advance,
ensure
cancer
patients
receive
timely
targeted
treatment,
their
survival
quality.
IEEE Access,
Год журнала:
2023,
Номер
11, С. 95889 - 95902
Опубликована: Янв. 1, 2023
Colorectal
cancer
(CRC)
is
the
third
most
common
cause
of
cancer-related
deaths
in
United
States
and
anticipated
to
another
52,580
2023.
The
standard
medical
procedure
for
screening
treating
colorectal
disease
a
colonoscopy.
By
effectively
examining
colonoscopy
identify
precancerous
polyps
early
remove
them
before
they
become
cancerous,
CRC
mortality
can
be
lowered
significantly.
Manual
examination
detection
time-consuming,
tedious,
prone
human
error.
Automatic
segmentation
could
fast
practical;
however,
existing
automated
methods
fail
attain
adequate
accuracy
segmentation.
Moreover,
these
do
not
assess
risk
detected
polyps.
In
this
paper,
we
proposed
an
autonomous
method
detect
their
potential
threats.
utilized
DoubleU-Net
Vision
Transformer
(ViT)
classifying
based
on
risks.
has
achieved
mean
dice-coefficient
0.834
0.956
Endotech
challenge
Kvasir-SEG
dataset,
accordingly,
outperforming
state-of-the-art
Then,
classified
segmented
as
hyper-plastic
or
adenomatous
with
99%
test
accuracy.
Cancers,
Год журнала:
2024,
Номер
16(6), С. 1120 - 1120
Опубликована: Март 11, 2024
Skin
lesion
segmentation
plays
a
key
role
in
the
diagnosis
of
skin
cancer;
it
can
be
component
both
traditional
algorithms
and
end-to-end
approaches.
The
quality
directly
impacts
accuracy
classification;
however,
attaining
optimal
necessitates
substantial
amount
labeled
data.
Semi-supervised
learning
allows
for
employing
unlabeled
data
to
enhance
results
machine
model.
In
case
medical
image
segmentation,
acquiring
detailed
annotation
is
time-consuming
costly
requires
skilled
individuals
so
utilization
significant
mitigation
manual
efforts.
This
study
proposes
novel
approach
semi-supervised
using
self-training
with
Noisy
Student.
utilizing
large
amounts
available
images.
It
consists
four
steps—first,
training
teacher
model
on
only,
then
generating
pseudo-labels
model,
student
pseudo-labeled
data,
lastly,
student*
generated
this
work,
we
implemented
DeepLabV3
architecture
as
models.
As
final
result,
achieved
mIoU
88.0%
ISIC
2018
dataset
87.54%
PH2
dataset.
evaluation
proposed
shows
that
Student
improves
performance
neural
networks
task
while
only
small