Machine Graphics and Vision,
Journal Year:
2024,
Volume and Issue:
33(2), P. 77 - 90
Published: Dec. 23, 2024
Pupillometry
measures
pupil
size,
and
several
open-source
algorithms
are
available
to
analyse
pupillometry
data.
However,
only
a
few
studies
compared
these
algorithms'
accuracy
computational
resources.
This
study
aims
compare
the
of
computer
vision-based
(Swirski,
Starburst,
PuRe,
ElSe,
ExCuSe
algorithms)
machine
learning
algorithm,
DeepLabCut,
double-blinded
human
examiners
(gold-standard).
Training
DeepLabCut
with
different
architectures
variable
number
markers
(2-9
markers)
was
done
on
an
dataset.
The
duration
training
statistically
longer
for
ResNet152
model
MobileNet
model.
diameters
in
software
such
as
Swirski
were
from
measurements.
2
3
marker
models
closest
In
conclusion,
this
work
highlights
efficiency
lower
based
architecture
which
consumes
fewer
resources
is
more
accurate.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 18, 2024
Autism
spectrum
disorder
is
a
developmental
condition
that
affects
the
social
and
behavioral
abilities
of
growing
children.
Early
detection
autism
can
help
children
to
improve
their
cognitive
quality
life.
The
research
in
area
reports
it
be
detected
from
tests
physical
activities
present
on
facial
attributes
Children
with
show
ambiguous
expressions
which
are
different
normal
To
detect
images,
this
work
presents
an
improvised
variant
YOLOv7-tiny
model.
presented
model
developed
by
integrating
pyramid
dilated
convolutional
layers
feature
extraction
network
Further,
its
recognition
enhanced
incorporating
additional
YOLO
head.
faces
presence
features
drawing
bounding
boxes
confidence
scores.
entire
has
been
carried
out
self-annotated
face
dataset.
achieved
mAP
value
79.56%
was
better
than
baseline
state-of-the-art
YOLOv8
Small
Machine
Learning
(ML)
techniques,
specifically
Support
Vector
(SVM)
and
Extreme
Gradient
Boosting
(XGBoost),
were
employed
to
achieve
precise
intuitive
real-time
eye
tracking
mouse
control
through
computer
vision.
However,
XGBoost
may
suffer
from
overfitting
when
dealing
with
a
large
number
of
features
compared
the
training
data
size,
or
noisy
imbalanced
data.
To
address
this
issue,
paper
introduces
Recurrent
Neural
Network
(RNN),
for
in
Human
Computer
Interaction
(HCI).
Gaze
Direction
Estimation
(GDE)
is
initially
estimate
gaze
direction,
utilizing
pupil
positions
camera
calibration
parameters.
The
estimated
direction
then
used
as
input
RNN
eye-tracking
HCI.
experimental
results
shows
that
GDE-RNN
has
26.03%
8.24%
superior
accuracy,
24.93%
86.76%
better
precision,
27.36%
8.75%
high
recall
comparison
SVM
control.
Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies,
Journal Year:
2024,
Volume and Issue:
8(4), P. 1 - 32
Published: Nov. 21, 2024
Eye-tracking
technology
has
gained
significant
attention
in
recent
years
due
to
its
wide
range
of
applications
human-computer
interaction,
virtual
and
augmented
reality,
wearable
health.
Traditional
RGB
camera-based
eye-tracking
systems
often
struggle
with
poor
temporal
resolution
computational
constraints,
limiting
their
effectiveness
capturing
rapid
eye
movements.
To
address
these
limitations,
we
propose
EyeTrAES,
a
novel
approach
using
neuromorphic
event
cameras
for
high-fidelity
tracking
natural
pupillary
movement
that
shows
kinematic
variance.
One
EyeTrAES's
highlights
is
the
use
adaptive
windowing/slicing
algorithm
ensures
just
right
amount
descriptive
asynchronous
data
accumulation
within
an
frame,
across
patterns.
EyeTrAES
then
applies
lightweight
image
processing
functions
over
accumulated
frames
from
single
perform
pupil
segmentation
(as
opposed
gaze-based
techniques
require
simultaneous
both
eyes).
We
show
two
boost
fidelity
by
6+%,
achieving
IoU~=92%,
while
incurring
at
least
3x
lower
latency
than
competing
pure
event-based
alternatives
[38].
additionally
demonstrate
microscopic
motion
captured
exhibits
distinctive
variations
individuals
can
thus
serve
as
biometric
fingerprint.
For
robust
user
authentication,
train
per-user
Random
Forest
classifier
feature
vector
short-term
kinematics,
comprising
sliding
window
(location,
velocity,
acceleration)
triples.
Experimental
studies
different
datasets
(capturing
environmental
contexts)
EyeTrAES-based
authentication
technique
simultaneously
achieve
high
accuracy
(~=0.82)
low
(~=12ms),
significantly
outperform
multiple
state-of-the-art
competitive
baselines.
Frontiers in Neuroinformatics,
Journal Year:
2024,
Volume and Issue:
18
Published: Dec. 6, 2024
Autism
Spectrum
Disorder
(ASD)
is
a
complex
neurodevelopmental
condition
characterised
by
challenges
in
social
communication,
repetitive
behaviours,
and
restricted
interests
[1].
Early
accurate
diagnosis
critical
for
effective
intervention,
enabling
individuals
with
ASD
to
achieve
better
developmental
outcomes
an
improved
quality
of
life.
However,
traditional
diagnostic
methods,
often
reliant
on
subjective
behavioural
observations,
remain
timeintensive
inconsistently
accessible.
This
underscores
urgent
need
innovative,
scalable,
objective
tools
[2,3].Machine
Learning
(ML)
has
emerged
as
transformative
approach
diagnosis,
offering
the
ability
analyse
large,
datasets
uncover
patterns
that
surpass
human
capability.
For
instance,
eye-tracking
technologies
have
been
extensively
utilised
quantify
gaze
behaviours
such
fixations
saccades,
well-established
markers
autism.
Studies
employing
Deep
achieved
high
accuracy
classifying
from
typically
developing
based
data
[3,7].
These
technological
advancements
provide
foundation
are
not
only
efficient
but
also
potentially
generalisable
across
diverse
populations.Furthermore,
approaches
transforming
scanpaths
into
visual
representations
classification
simplified
pipeline,
automation
traditionally
laborious
processes
[4].
Additionally,
unsupervised
learning
techniques,
including
clustering
data,
demonstrated
potential
extracting
unique
insights
variability
presentations
[5].
developments
illustrate
growing
synergy
between
AI-driven
clinical
practices.Beyond
eye
tracking,
other
modalities
structural
MRI
(sMRI),
resting-state
functional
connectivity
(rsFC),
multimodal
integrating
genetic,
behavioural,
imaging
shown
promise
identifying
robust
biomarkers
ASD.
methodologies
underscore
importance
leveraging
multidimensional
improve
precision
reliability
[2,6].
Despite
these
promising
innovations,
persist.
Standardisation
methodologies,
reproducibility
results,
translation
research
applicability
significant
barriers.
special
issue
seeks
address
presenting
cuttingedge
integrates
ML
neuroinformatics
enhance
accuracy,
efficiency,
accessibility
diagnostics.
By
bridging
gap
technology
practice,
this
collection
studies
aims
drive
field
toward
more
equitable
solutions
diagnosis.The
articles
included
explore
various
aspects
through
ML,
innovative
findings:Eslami
et
al.
comprehensive
review
models
applied
sMRI
fMRI
datasets,
examining
their
efficacy
diagnosing
related
disorders.
The
study
highlights
key
deep
architectures
identifies
limitations
heterogeneity
challenges.
https://www.frontiersin.org/journals/neuroinformatics/articles/10.3389/fninf.2020.575999Vector
Machine
(SVM)
models.
Their
uncovers
discriminative
within
Default
Mode
Network
(DMN),
achieving
reinforcing
rsFC
https://www.frontiersin.org/journals/neuroinformatics/articles/10.3389/fninf.2022.761942Jia
conduct
bibliometric
analysis,
mapping
global
landscape
AI
applications
findings
highlight
trends
rise
feature
selection
significance
integration,
providing
roadmap
future
studies.
https://www.frontiersin.org/journals/neuroinformatics/articles/10.3389/fninf.2023.1310400Ruan
present
exploratory
using
micro-expressions
biomarkers.
posed
video
quality,
work
emphasises
combining
neuroimaging
data.
https://www.frontiersin.org/journals/neuroinformatics/articles/10.3389/fninf.2024.1435091The
contributions
emphasise
nature
holistic
framework.
Challenges
lack
standardisation
ethical
considerations
algorithm
deployment,
interpretability
relevant.
integration
advanced
computational
methods
expertise
opens
avenues
personalised
treatment
strategies
early
intervention
protocols.We
envision
should
focus
on:•
Data
Diversity
Multimodal
Integration:
Combining
imaging,
model
robustness.•
Interpretable
AI:
Developing
transparent
algorithms
clinicians
can
trust
use
effectively.
Frontiers in Psychiatry,
Journal Year:
2024,
Volume and Issue:
15
Published: Dec. 11, 2024
Background
Eye
tracking
(ET)
is
emerging
as
a
promising
early
and
objective
screening
method
for
autism
spectrum
disorders
(ASD),
but
it
requires
more
reliable
metrics
with
enhanced
sensitivity
specificity
clinical
use.
Methods
This
study
introduces
suite
of
novel
ET
metrics:
Area
Interest
(AOI)
Switch
Counts
(ASC),
Favorable
AOI
Shifts
(FAS)
along
self-determined
pathways,
Vacancy
(AVC),
applied
to
toddlers
preschoolers
diagnosed
ASD.
The
correlation
between
these
new
Autism
Diagnostic
Observation
Schedule,
Second
Edition
(ADOS-2)
scores
via
linear
regression
the
cut-off
were
assessed
predict
diagnosis.
Results
Our
findings
indicate
significantly
lower
FAS
ASC
higher
AVC
(P<0.05)
in
children
ASD
compared
their
non-ASD
counterparts
within
this
high-risk
cohort;
significance
was
not
seen
total
fixation
time
neither
pupil
size
(p
>
0.05).
Furthermore,
negatively
correlated
ADOS-2
social
affect
(SA)
subscale
<
Among
metrics,
yielded
best
88-100%
80-88%
cut
off
score
0.305-0.306,
followed
by
separate
from
Conclusions
confirms
utility
innovative
metrics—FAS,
AVC,
ASC—which
exhibit
markedly
improved
specificity,
enhancing
diagnostic
processes.