A regularized volumetric ConvNet based Alzheimer detection using T1-weighted MRI images
Cogent Engineering,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Feb. 11, 2024
Alzheimer’s
disease
is
a
gradual
neurodegenerative
condition
affecting
the
brain,
causing
decline
in
cognitive
function
by
progressively
damaging
nerve
cells
over
time.
While
cure
for
remains
elusive,
detection
of
(AD)
through
brain
biomarkers
crucial
to
impede
its
advancement.
High-resolution
structural
MRI
scans,
particularly
T1-weighted
images,
are
commonly
used
detection.
These
images
provide
detailed
information
about
brain’s
structure,
allowing
researchers
and
clinicians
identify
abnormalities.
Our
study
employs
deep
learning
methodology
using
binary
classification
task—distinguishing
between
AD
normal/healthy
control
(NC).
The
volumetric
convolutional
neural
network
model
deployed
on
pre-processed
validated
MIRIAD
datasets,
achieving
an
impressive
accuracy
97%,
surpassing
other
models.
Addressing
challenge
limited
datasets
models,
we
incorporated
various
augmentation
techniques
such
as
rotation
rescaling,
resulting
outstanding
effective
discerning
normal
controls.
Language: Английский
Deep learning-based classification of dementia using image representation of subcortical signals
Shivani Ranjan,
No information about this author
Ayush Tripathi,
No information about this author
Harshal Shende
No information about this author
et al.
BMC Medical Informatics and Decision Making,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: March 6, 2025
Dementia
is
a
neurological
syndrome
marked
by
cognitive
decline.
Alzheimer's
disease
(AD)
and
frontotemporal
dementia
(FTD)
are
the
common
forms
of
dementia,
each
with
distinct
progression
patterns.
Early
accurate
diagnosis
cases
(AD
FTD)
crucial
for
effective
medical
care,
as
both
conditions
have
similar
early-symptoms.
EEG,
non-invasive
tool
recording
brain
activity,
has
shown
potential
in
distinguishing
AD
from
FTD
mild
impairment
(MCI).
This
study
aims
to
develop
deep
learning-based
classification
system
analyzing
EEG
derived
scout
time-series
signals
regions,
specifically
hippocampus,
amygdala,
thalamus.
Scout
time
series
extracted
via
standardized
low-resolution
electromagnetic
tomography
(sLORETA)
technique
utilized.
The
converted
image
representations
using
continuous
wavelet
transform
(CWT)
fed
input
learning
models.
Two
high-density
datasets
utilized
validate
efficacy
proposed
method:
online
BrainLat
dataset
(128
channels,
comprising
16
AD,
13
FTD,
19
healthy
controls
(HC))
in-house
IITD-AIIA
(64
including
subjects
10
9
MCI,
8
HC).
Different
strategies
classifier
combinations
been
mapping
classes
data
sets.
best
results
were
achieved
product
probabilities
classifiers
left
right
subcortical
regions
conjunction
DenseNet
model
architecture.
It
yield
accuracies
94.17
%
77.72
on
datasets,
respectively.
highlight
that
representation-based
approach
differentiate
various
stages
dementia.
pave
way
more
early
diagnosis,
which
treatment
management
debilitating
conditions.
Language: Английский
A feature-aware multimodal framework with auto-fusion for Alzheimer’s disease diagnosis
Computers in Biology and Medicine,
Journal Year:
2024,
Volume and Issue:
178, P. 108740 - 108740
Published: June 19, 2024
Language: Английский
Detection of Alzheimer’s disease using Otsu thresholding with tunicate swarm algorithm and deep belief network
Praveena Ganesan,
No information about this author
G. P. Ramesh,
No information about this author
Przemysław Falkowski‐Gilski
No information about this author
et al.
Frontiers in Physiology,
Journal Year:
2024,
Volume and Issue:
15
Published: July 9, 2024
Introduction:
Alzheimer’s
Disease
(AD)
is
a
degenerative
brain
disorder
characterized
by
cognitive
and
memory
dysfunctions.
The
early
detection
of
AD
necessary
to
reduce
the
mortality
rate
through
slowing
down
its
progression.
prevention
emerging
research
topic
for
many
researchers.
structural
Magnetic
Resonance
Imaging
(sMRI)
an
extensively
used
imaging
technique
in
AD,
because
it
efficiently
reflects
variations.
Methods:
Machine
learning
deep
models
are
widely
applied
on
sMRI
images
accelerate
diagnosis
process
assist
clinicians
timely
treatment.
In
this
article,
effective
automated
framework
implemented
AD.
At
first,
Region
Interest
(RoI)
segmented
from
acquired
employing
Otsu
thresholding
method
with
Tunicate
Swarm
Algorithm
(TSA).
TSA
finds
optimal
segmentation
threshold
value
method.
Then,
vectors
extracted
RoI
applying
Local
Binary
Pattern
(LBP)
Directional
variance
(LDPv)
descriptors.
last,
passed
Deep
Belief
Networks
(DBN)
image
classification.
Results
Discussion:
proposed
achieves
supreme
classification
accuracy
99.80%
99.92%
Neuroimaging
Initiative
(ADNI)
Australian
Imaging,
Biomarker
Lifestyle
flagship
work
ageing
(AIBL)
datasets,
which
higher
than
conventional
models.
Language: Английский
A multimodal learning machine framework for Alzheimer’s disease diagnosis based on neuropsychological and neuroimaging data
Computers & Industrial Engineering,
Journal Year:
2024,
Volume and Issue:
unknown, P. 110625 - 110625
Published: Oct. 1, 2024
Language: Английский
A Data-Driven Boosting Cognitive Domain-Based Multimodal Framework for Alzheimer's Disease Diagnosis
Published: Jan. 1, 2024
Language: Английский
ViTBayesianNet: An adaptive deep bayesian network-aided alzheimer disease detection framework with vision transformer-based residual densenet for feature extraction using MRI images
Network Computation in Neural Systems,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 41
Published: Dec. 11, 2024
One
of
the
most
familiar
types
disease
is
Alzheimer's
(AD)
and
it
mainly
impacts
people
over
age
limit
60.
AD
causes
irreversible
brain
damage
in
humans.
It
difficult
to
recognize
various
stages
AD,
hence
advanced
deep
learning
methods
are
suggested
for
recognizing
its
initial
stages.
In
this
experiment,
an
effective
model-based
detection
approach
introduced
provide
treatment
patient.
Initially,
essential
MRI
collected
from
benchmark
resources.
After
that,
gathered
MRIs
provided
as
input
feature
extraction
phase.
Also,
important
features
image
extracted
by
Vision
Transformer-based
Residual
DenseNet
(ViT-ResDenseNet).
Later,
retrieved
applied
stage.
phase,
detected
using
Adaptive
Deep
Bayesian
Network
(Ada-DBN).
Additionally,
attributes
Ada-DBN
optimized
with
help
Enhanced
Golf
Optimization
Algorithm
(EGOA).
So,
implemented
model
accomplishes
relatively
higher
reliability
than
existing
techniques.
The
numerical
results
framework
obtained
accuracy
value
96.35
which
greater
91.08,
91.95,
93.95
attained
EfficientNet-B2,
TF-
CNN,
ViT-GRU,
respectively.
Language: Английский
Classifying Alzheimer's Disease Using a Finite Basis Physics Neural Network
Microscopy Research and Technique,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 20, 2024
The
disease
amyloid
plaques,
neurofibrillary
tangles,
synaptic
dysfunction,
and
neuronal
death
gradually
accumulate
throughout
Alzheimer's
(AD),
resulting
in
cognitive
decline
functional
disability.
challenges
of
dataset
quality,
interpretability,
ethical
integration,
population
variety,
picture
standardization
must
be
addressed
using
deep
learning
for
the
magnetic
resonance
imaging
(MRI)
classification
AD
order
to
guarantee
a
trustworthy
practical
therapeutic
application.
In
this
manuscript
Classifying
finite
basis
physics
neural
network
(CAD-FBPINN)
is
proposed.
Initially,
images
are
collected
from
Neuroimaging
Initiative
(ADNI)
dataset.
fed
Pre-processing
segment.
During
preprocessing
phase
reverse
lognormal
Kalman
filter
(RLKF)
used
enhance
input
images.
Then
preprocessed
given
feature
extraction
process.
Feature
done
by
Newton-time-extracting
wavelet
transform
(NTEWT),
which
extract
statistical
features
such
as
mean,
kurtosis,
skewness.
Finally
extracted
FBPINNs
early
mild
impairment
(EMCI),
AD,
(MCI),
late
(LMCI),
normal
control
(NC),
subjective
memory
complaints
(SMCs).
General,
FBPINN
does
not
express
adapting
optimization
strategies
determine
optimal
factors
ensure
correct
classification.
Hence,
sea-horse
algorithm
(SHOA)
optimize
FBPINN,
accurately
classifies
AD.
proposed
technique
implemented
python
efficacy
CAD-FBPINN
assessed
with
support
numerous
performances
like
accuracy,
precision,
Recall,
F1-score,
specificity
negative
predictive
value
(NPV)
analyzed.
Proposed
method
attain
30.53%,
23.34%,
32.64%
higher
accuracy;
20.53%,
25.34%,
29.64%
precision;
NP
values
analyzed
existing
Stages
through
Brain
Modifications
Optimized
optimizer.
Then,
effectiveness
compared
other
methods
that
currently
use,
diagnosis
convolution
(DC-AD-AlexNet),
Predicting
4
years
before
incident
(PDP-ADI-GCNN),
Using
DC-AD-AlexNet
algorithm,
diagnose
classify
Language: Английский