PLoS Computational Biology,
Год журнала:
2024,
Номер
20(1), С. e1011796 - e1011796
Опубликована: Янв. 29, 2024
Naturally
occurring
collective
motion
is
a
fascinating
phenomenon
in
which
swarming
individuals
aggregate
and
coordinate
their
motion.
Many
theoretical
models
of
assume
idealized,
perfect
perceptual
capabilities,
ignore
the
underlying
perception
processes,
particularly
for
agents
relying
on
visual
perception.
Specifically,
biological
vision
many
animals,
such
as
locusts,
utilizes
monocular
non-stereoscopic
vision,
prevents
acquisition
distances
velocities.
Moreover,
peers
can
visually
occlude
each
other,
further
introducing
estimation
errors.
In
this
study,
we
explore
necessary
conditions
emergence
ordered
under
restricted
conditions,
using
non-stereoscopic,
vision.
We
present
model
vision-based
locust-like
agents:
elongated
shape,
omni-directional
sensor
parallel
to
horizontal
plane,
lacking
stereoscopic
depth
The
addresses
(i)
distance
velocity,
(ii)
presence
occlusions
field.
consider
compare
three
strategies
that
an
agent
may
use
interpret
partially-occluded
information
at
cost
computational
complexity
required
processes.
Computer-simulated
experiments
conducted
various
geometrical
environments
(toroidal,
corridor,
ring-shaped
arenas)
demonstrate
result
or
near-ordered
state.
At
same
time,
they
differ
rate
order
achieved.
results
are
sensitive
elongation
agents.
Experiments
geometrically
constrained
reveal
differences
between
elucidate
possible
tradeoffs
them
control
These
suggest
avenues
study
biology
robotics.
PLoS ONE,
Год журнала:
2021,
Номер
16(8), С. e0255615 - e0255615
Опубликована: Авг. 19, 2021
Social
scientists
and
psychologists
take
interest
in
understanding
how
people
express
emotions
sentiments
when
dealing
with
catastrophic
events
such
as
natural
disasters,
political
unrest,
terrorism.
The
COVID-19
pandemic
is
a
event
that
has
raised
number
of
psychological
issues
depression
given
abrupt
social
changes
lack
employment.
Advancements
deep
learning-based
language
models
have
been
promising
for
sentiment
analysis
data
from
networks
Twitter.
Given
the
situation
pandemic,
different
countries
had
peaks
where
rise
fall
new
cases
affected
lock-downs
which
directly
economy
During
stricter
lock-downs,
expressing
their
media.
This
can
provide
human
psychology
during
events.
In
this
paper,
we
present
framework
employs
via
long
short-term
memory
(LSTM)
recurrent
neural
novel
India.
features
LSTM
model
global
vector
embedding
state-of-art
BERT
model.
We
review
expressed
selective
months
2020
covers
first
major
peak
Our
utilises
multi-label
classification
more
than
one
be
at
once.
results
indicate
majority
tweets
positive
high
levels
optimism
significantly
lowered
towards
peak.
predictions
generally
although
optimistic,
significant
group
population
annoyed
way
was
handled
by
authorities.
ACM Computing Surveys,
Год журнала:
2021,
Номер
54(8), С. 1 - 32
Опубликована: Окт. 4, 2021
The
COVID-19
pandemic
caused
by
the
SARS-CoV-2
virus
has
spread
rapidly
worldwide,
leading
to
a
global
outbreak.
Most
governments,
enterprises,
and
scientific
research
institutions
are
participating
in
struggle
curb
of
pandemic.
As
powerful
tool
against
COVID-19,
artificial
intelligence
(AI)
technologies
widely
used
combating
this
In
survey,
we
investigate
main
scope
contributions
AI
from
aspects
disease
detection
diagnosis,
virology
pathogenesis,
drug
vaccine
development,
epidemic
transmission
prediction.
addition,
summarize
available
data
resources
that
can
be
for
AI-based
research.
Finally,
challenges
potential
directions
fighting
discussed.
Currently,
mainly
focuses
on
medical
image
inspection,
genomics,
prediction,
thus
still
great
field.
This
survey
presents
researchers
with
comprehensive
view
existing
applications
technology
goal
inspiring
continue
maximize
advantages
big
fight
COVID-19.
Complex & Intelligent Systems,
Год журнала:
2020,
Номер
7(1), С. 235 - 247
Опубликована: Сен. 22, 2020
Computer-aided
diagnosis
(CAD)
systems
are
considered
a
powerful
tool
for
physicians
to
support
identification
of
the
novel
Coronavirus
Disease
2019
(COVID-19)
using
medical
imaging
modalities.
Therefore,
this
article
proposes
new
framework
cascaded
deep
learning
classifiers
enhance
performance
these
CAD
highly
suspected
COVID-19
and
pneumonia
diseases
in
X-ray
images.
Our
proposed
constitutes
two
major
advancements
as
follows.
First,
complicated
multi-label
classification
images
have
been
simplified
series
binary
each
tested
case
health
status.
That
mimics
clinical
situation
diagnose
potential
patient.
Second,
architecture
is
flexible
use
different
fine-tuned
models
simultaneously,
achieving
best
confirming
infected
cases.
This
study
includes
eleven
pre-trained
convolutional
neural
network
models,
such
Visual
Geometry
Group
Network
(VGG)
Residual
Neural
(ResNet).
They
successfully
evaluated
on
public
image
dataset
normal
three
diseased
The
results
showed
that
VGG16,
ResNet50V2,
Dense
(DenseNet169)
achieved
detection
accuracy
COVID-19,
viral
(Non-COVID-19)
pneumonia,
bacterial
images,
respectively.
Furthermore,
our
superior
other
methods
previous
studies.
presents
good
option
be
applied
routine
assist
diagnostic
procedures
infection.
Software Practice and Experience,
Год журнала:
2021,
Номер
52(4), С. 824 - 840
Опубликована: Апрель 1, 2021
Abstract
The
Covid‐19
pandemic
has
emerged
as
one
of
the
most
disquieting
worldwide
public
health
emergencies
21st
century
and
thrown
into
sharp
relief,
among
other
factors,
dire
need
for
robust
forecasting
techniques
disease
detection,
alleviation
well
prevention.
Forecasting
been
powerful
statistical
methods
employed
world
over
in
various
disciplines
detecting
analyzing
trends
predicting
future
outcomes
based
on
which
timely
mitigating
actions
can
be
undertaken.
To
that
end,
several
machine
learning
have
harnessed
depending
upon
analysis
desired
availability
data.
Historically
speaking,
predictions
thus
arrived
at
short
term
country‐specific
nature.
In
this
work,
multimodel
technique
is
called
EAMA
related
parameters
long‐term
both
within
India
a
global
scale
proposed.
This
proposed
hybrid
model
well‐suited
to
past
present
For
study,
two
datasets
from
Ministry
Health
&
Family
Welfare
Worldometers,
respectively,
exploited.
Using
these
datasets,
data
outlined,
observed
predicted
being
very
similar
real‐time
values.
experiment
also
conducted
statewise
countrywise
across
it
included
Appendix.
IEEE Transactions on Artificial Intelligence,
Год журнала:
2022,
Номер
4(1), С. 44 - 59
Опубликована: Янв. 11, 2022
The
purpose
of
this
article
is
to
see
how
machine
learning
(ML)
algorithms
and
applications
are
used
in
the
COVID-19
inquiry
for
other
purposes.
available
traditional
methods
international
epidemic
prediction,
researchers
authorities
have
given
more
attention
simple
statistical
epidemiological
methodologies.
inadequacy
absence
medical
testing
diagnosing
identifying
a
solution
one
key
challenges
preventing
spread
COVID-19.
A
few
statistical-based
improvements
being
strengthened
answer
challenge,
resulting
partial
resolution
up
certain
level.
ML
advocated
wide
range
intelligence-based
approaches,
frameworks,
equipment
cope
with
issues
industry.
application
inventive
structure,
such
as
handling
relevant
outbreak
difficulties,
has
been
investigated
article.
major
goal
1)
Examining
impact
data
type
nature,
well
obstacles
processing
2)
Better
grasp
importance
intelligent
approaches
like
pandemic.
3)
development
improved
types
prognosis.
4)
effectiveness
influence
various
strategies
5)
To
target
on
potential
diagnosis
order
motivate
academics
innovate
expand
their
knowledge
research
into
additional
COVID-19-affected
industries.