Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Окт. 7, 2024
MRI
imaging
primarily
focuses
on
the
soft
tissues
of
human
body,
typically
performed
prior
to
a
patient's
transfer
surgical
suite
for
medical
procedure.
However,
utilizing
images
tumor
diagnosis
is
time-consuming
process.
To
address
these
challenges,
new
method
automatic
brain
was
developed,
employing
combination
image
segmentation,
feature
extraction,
and
classification
techniques
isolate
specific
region
interest
in
an
corresponding
tumor.
The
proposed
this
study
comprises
five
distinct
steps.
Firstly,
pre-processing
conducted,
various
filters
enhance
quality.
Subsequently,
thresholding
applied
facilitate
segmentation.
Following
extraction
performed,
analyzing
morphological
structural
properties
images.
Then,
selection
carried
out
using
principal
component
analysis
(PCA).
Finally,
artificial
neural
network
(ANN).
In
total,
74
unique
features
were
extracted
from
each
image,
resulting
dataset
144
observations.
Principal
employed
select
top
8
most
effective
features.
Artificial
Neural
Networks
(ANNs)
leverage
comprehensive
data
selective
knowledge.
Consequently,
approach
evaluated
compared
with
alternative
methods,
significant
improvements
precision,
accuracy,
F1
score.
demonstrated
notable
increases
99.3%,
97.3%,
98.5%
Sensitivity
These
findings
highlight
efficiency
accurately
segmenting
classifying
Frontiers in Medicine,
Год журнала:
2024,
Номер
11
Опубликована: Июнь 3, 2024
The
rapid
spread
of
COVID-19
pandemic
across
the
world
has
not
only
disturbed
global
economy
but
also
raised
demand
for
accurate
disease
detection
models.
Although
many
studies
have
proposed
effective
solutions
early
and
prediction
with
Machine
Learning
(ML)
Deep
learning
(DL)
based
techniques,
these
models
remain
vulnerable
to
data
privacy
security
breaches.
To
overcome
challenges
existing
systems,
we
introduced
Adaptive
Differential
Privacy-based
Federated
(DPFL)
model
predicting
from
chest
X-ray
images
which
introduces
an
innovative
adaptive
mechanism
that
dynamically
adjusts
levels
on
real-time
sensitivity
analysis,
improving
practical
applicability
(FL)
in
diverse
healthcare
environments.
We
compared
analyzed
performance
this
distributed
a
traditional
centralized
model.
Moreover,
enhance
by
integrating
FL
approach
stopping
achieve
efficient
minimal
communication
overhead.
ensure
without
compromising
utility
accuracy,
evaluated
under
various
noise
scales.
Finally,
discussed
strategies
increasing
model’s
accuracy
while
maintaining
robustness
as
well
privacy.
Frontiers in Medicine,
Год журнала:
2024,
Номер
11
Опубликована: Окт. 21, 2024
Retinal
vessel
segmentation
is
a
critical
task
in
fundus
image
analysis,
providing
essential
insights
for
diagnosing
various
retinal
diseases.
In
recent
years,
deep
learning
(DL)
techniques,
particularly
Generative
Adversarial
Networks
(GANs),
have
garnered
significant
attention
their
potential
to
enhance
medical
analysis.
This
paper
presents
novel
approach
by
harnessing
the
capabilities
of
GANs.
Our
method,
termed
GANVesselNet,
employs
specialized
GAN
architecture
tailored
intricacies
structures.
dual-path
network
employed,
featuring
an
Auto
Encoder-Decoder
(AED)
pathway
and
UNet-inspired
pathway.
unique
combination
enables
efficiently
capture
multi-scale
contextual
information,
improving
accuracy
segmentation.
Through
extensive
experimentation
on
publicly
available
datasets,
including
STARE
DRIVE,
GANVesselNet
demonstrates
remarkable
performance
compared
traditional
methods
state-of-the-art
approaches.
The
proposed
exhibits
superior
sensitivity
(0.8174),
specificity
(0.9862),
(0.9827)
segmenting
vessels
dataset,
achieves
commendable
results
DRIVE
dataset
with
(0.7834),
(0.9846),
(0.9709).
Notably,
previously
unseen
data,
underscoring
its
real-world
clinical
applications.
Furthermore,
we
present
qualitative
visualizations
generated
segmentations,
illustrating
network’s
proficiency
accurately
delineating
vessels.
summary,
this
introduces
powerful
By
capitalizing
advanced
GANs
incorporating
architecture,
offers
quantum
leap
accuracy,
opening
new
avenues
enhanced
analysis
improved
decision-making.
IEEE Access,
Год журнала:
2024,
Номер
12, С. 68880 - 68892
Опубликована: Янв. 1, 2024
Hemoglobin
is
the
iron
containing
protein
in
red
blood
cells
which
carries
oxygen
from
lungs
to
rest
of
body
tissues.
Accurate
measurement
hemoglobin
essential
for
diagnosing
anemia,
a
condition
characterized
by
deficiency
cells.
This
particularly
vital
before
initiating
transfusions
thalassemia
patients.
Non-invasive
estimation
levels
can
be
achieved
through
photoplethysmography
(PPG)-based
methods.
PPG
an
optical
method
measure
volume
changes
successive
heart
beats.
signals
obtained
fingertip
videos
using
light
source
and
photodetector.
SmartphonePPG
utilizes
smartphone's
flashlight
as
its
camera
photodetector
acquire
signals,
offering
affordable
portable
point-of-care
tool.
Despite
ubiquity
smartphones,
their
cameras
often
contain
noise,
making
feature
selection
characteristics
challenging.
While
PPG-based
methods
are
invaluable,
lack
real-world
datasets
poses
significant
challenge
maximizing
benefits
technology.
In
this
paper,
we
introduce
dataset
comprising
1-minute
video
recordings
150
anemic
patients,
camera.
The
dataset,
publicly
accessible
research
purposes
a
,
covers
age
range
6
months
32
years,
with
diverse
values
(4.3
gm/dL
-
12.4
gm/dL).
Utilizing
propose
deep
learning-based
technique
employing
ResNet-18
architecture
estimate
levels.
approach
eliminates
need
manual
extraction
overcoming
limitation
existing
smartphonePPG-based
systems.
Our
model
achieves
level
RMSE
0.81-1.39
when
compared
gold
standard
laboratory
method,
Complete
Blood
Count
(CBC)
test
reports.In
contrast,
HemaApp,
state-of-the-art
utilizing
machine
classifier
(SVM),
yields
1.7
on
our
dataset.
accuracy
simplicity
position
it
promising
alternative
non-invasive
Advanced Optical Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 7, 2024
Abstract
Serendipitously
discovered,
carbon
dots
(CDs)
have
attracted
significant
attention
as
a
potential
contrast
agent
for
photoacoustic
imaging
(PAI)
in
the
biomedical
sector.
CDs
play
an
essential
role
PAI,
contributing
significantly
to
early
detection
of
diseases
and
monitoring
treatment
progress,
particularly
tumor
imaging.
This
review
emphasizes
domain
highlighting
their
characteristics
like
biocompatibility,
enhanced
spatial
resolution,
optical
absorption
NIR
region,
facile
surface
functionalization
tumor‐
targeted
The
study
explores
use
enhancing
resolution
PAI
improved
visualization
tumors
organs
such
breast,
cervical,
liver,
gastrointestinal,
skin,
cardiovascular
system,
nervous
others.
Challenges
associated
with
optimizing
signal‐to‐noise
ratio
ensuring
stability
under
physiological
conditions,
also
been
discussed.
Natural Product Communications,
Год журнала:
2024,
Номер
19(11)
Опубликована: Ноя. 1, 2024
Background:
The
paucity
of
information
on
the
effect
Tom
Brown's
weaning
meal
liver
and
learning
memory
functions
necessitated
this
study.
Methods:
Fifteen
rats
were
acclimatized
for
a
week
used
They
divided
into
control,
combined,
Brown
experimental
groups.
Rat
Chow,
Chow/Tombrown,
Feed
alone
given
to
animals
accordingly.
At
end
four-week
feeding
period,
enzymes
(AST,
ALT,
ALP)
parameters
assessed.
GC-MS
ADMET
properties
done
its
ligands.
Eleven
Ligands
with
zero
violations
using
Lipinski
rule
five
(ROF)
docked
netrin,
AST,
ALT.
Results:
ALP
results
groups
presented
as
mean
±
SEM
67.89
3.15
Iu/L,
71.68
1.30
Iu/l,
73.65
0.89
Iu/l;
129.81
1.77
129.51
1.84
130.94
1.31
Iu/L;
22.10
1.24
23.28
0.61
22.48
1.29
respectively.
There
was
no
significant
difference
among
in
or
other
assessed
study
(P
>
0.05).
5-hydroxymethyl
furfural
carpaine
ligands
better
docking
score.
Conclusions:
non-significant
values
long-term
is
evident
having
these
parameters.
are
possible
compounds
that
could
enhance
leraning/memory
from
results.
However,
they
had
low
peak
areas
GCMS
result
not
seen.
PeerJ Computer Science,
Год журнала:
2024,
Номер
10, С. e2517 - e2517
Опубликована: Дек. 24, 2024
The
global
spread
of
SARS-CoV-2
has
prompted
a
crucial
need
for
accurate
medical
diagnosis,
particularly
in
the
respiratory
system.
Current
diagnostic
methods
heavily
rely
on
imaging
techniques
like
CT
scans
and
X-rays,
but
identifying
these
images
proves
to
be
challenging
time-consuming.
In
this
context,
artificial
intelligence
(AI)
models,
specifically
deep
learning
(DL)
networks,
emerge
as
promising
solution
image
analysis.
This
article
provides
meticulous
comprehensive
review
imaging-based
diagnosis
using
up
May
2024.
starts
with
an
overview
covering
basic
steps
learning-based
data
sources,
pre-processing
methods,
taxonomy
techniques,
findings,
research
gaps
performance
evaluation.
We
also
focus
addressing
current
privacy
issues,
limitations,
challenges
realm
diagnosis.
According
taxonomy,
each
model
is
discussed,
encompassing
its
core
functionality
critical
assessment
suitability
detection.
A
comparative
analysis
included
by
summarizing
all
relevant
studies
provide
overall
visualization.
Considering
best
deep-learning
detection,
conducts
experiment
twelve
contemporary
techniques.
experimental
result
shows
that
MobileNetV3
outperforms
other
models
accuracy
98.11%.
Finally,
elaborates
explores
potential
future
directions
methodological
recommendations
advancement.
PLoS ONE,
Год журнала:
2024,
Номер
19(7), С. e0307206 - e0307206
Опубликована: Июль 12, 2024
The
main
characteristic
of
cervical
cytopathy
is
reflected
in
the
edge
shape
nuclei.
Existing
computer-aided
diagnostic
techniques
can
clearly
segment
individual
nuclei,
but
cannot
rough
edges
adherent
nucleus.
Therefore,
we
propose
an
effective
method
(ASATrans)
to
accurately
nuclei
by
exploring
adaptive
spatial
aggregation
methods.
ASATrans
creates
a
Multi-Receptive
Embedding
Layer
that
samples
patches
using
diverse-scale
kernels.
This
approach
provides
cross-scale
features
each
embedding,
preventing
semantic
corruption
might
arise
from
mapping
disparate
analogous
underlying
representations.
Furthermore,
design
Adaptive
Pixel
Adjustment
Block
introducing
long-range
dependency
and
aggregation.
achieved
through
stratification
process
into
distinct
groups.
Each
group
given
exclusive
sampling
volume
modulation
scale,
fostering
collaborative
learning
paradigm
combines
local
global
dependencies.
feature
extraction
achieves
adaptability,
mitigates
interference
unnecessary
pixels,
allows
for
better
segmentation
Extensive
experiments
on
two
datasets
(HRASPP
Dataset,
ISBI
Dataset),
demonstrating
our
proposed
outperforms
other
state-of-the-art
methods
large
margin.