Cybernetics and Information Technologies,
Год журнала:
2020,
Номер
20(3), С. 159 - 176
Опубликована: Сен. 1, 2020
Abstract
In
this
paper
we
propose
a
novel
approach
for
face
anti-spoofing
called
Extended
Division
Directional
Ternary
Co-relation
Pattern
(EDDTCP).
The
EDDTCP
encodes
co-relation
of
ternary
edges
based
on
the
centre
pixel
gray
values
with
its
immediate
directional
neighbour
and
next
average
neighbour,
which
is
calculated
by
using
cornered
neighbours
neighbours.
proposed
method
robust
against
presentation
attacks
extracting
spatial
information
in
all
directions.
Three
Experiments
were
performed
four
texture
descriptors
(LBP,
LTP,
LGS
EDDTCP)
results
are
compared.
performs
better
than
LBP,
LTP
LGS.
IEEE Access,
Год журнала:
2023,
Номер
11, С. 87445 - 87494
Опубликована: Янв. 1, 2023
Green
computing,
also
called
sustainable
is
the
process
of
developing
and
optimizing
computer
chips,
systems,
networks,
software
in
such
a
manner
that
can
maximize
efficiency
by
utilizing
energy
more
efficiently
minimizing
negative
environmental
influence
on
surrounding.
The
term
"green
computing"
refers
to
practices
lessen
effects
technology
environment.
Due
improvements
modern
technology,
various
devices,
mechanisms,
have
been
developed,
lots
studies
conducted
optimize
increase
those
technologies'
green
computing
abilities.
Thus,
review
summarization
computing-based
are
required
identify
current
advancements,
challenges,
future
research
opportunities.
This
study
reviewed
summarized
each
area
studies,
exploring
computing's
twelve
areas.
Current
trends,
datasets
or
testing
construction
implementation
technologies
accomplish
development
discussed.
study,
after
conducting
thorough
comparison
analysis,
provides
responses
proposed
state-of-the-art
questions.
Furthermore,
this
presents
challenges
opportunities
with
respect
area.
will
provide
organizations,
researchers,
institutions
insights
ideas.
companies,
government
agencies
concerned
reducing
carbon
emissions
consumption
benefit
from
study.
IEEE Access,
Год журнала:
2023,
Номер
11, С. 86739 - 86753
Опубликована: Янв. 1, 2023
The
energy
used
by
cloud
data
centers
(CDCs)
to
support
large
volumes
of
storage
and
computation
is
dramatically
increasing
as
the
scope
services
continues
expand.
This
puts
a
greater
burden
on
environment
results
in
higher
expenses
for
providers.
Virtualization
migration
consolidation
have
been
widely
current
CDCs
achieve
ser-vice
reduce
consumption
(EC).
study
divides
fundamental
tasks
virtual
machine
(VM)
into
three
portions:
determining
timing,
choosing
VMs
migrate
out,
selecting
destination
hosts.
An
EC
levels-based
adaptive
dynamic
threshold
method
timing
was
proposed,
well
correlation
utilization-based
strategy
out
an
improved
EC-aware
best-fit
algorithm
pro-posed
algorithms
were
evaluated
using
CloudSim
toolbox,
real
VM
workload
traces
from
PlanetLab
experimental
data.
According
experiments,
proposed
EC,
service
level
agreement
violation
(SLAV),
number
migrations
average
15.49%,
7.85%,
83.32%
comparison
related
state-of-the-art
methods
benchmark
algorithms.
suggests
that
outperform
other
techniques
migration,
even
when
necessitates
significant
or
amount
host
resources,
improve
quality
while
optimizing
consumption.
However,
experiments
conducted
simulation
platform,
which
has
some
drawbacks,
leading
varying
slightly
actual
environment.
Software Practice and Experience,
Год журнала:
2022,
Номер
53(2), С. 496 - 551
Опубликована: Окт. 24, 2022
Abstract
With
the
advent
of
Internet
Things
(IoT)
paradigm,
cloud
model
is
unable
to
offer
satisfactory
services
for
latency‐sensitive
and
real‐time
applications
due
high
latency
scalability
issues.
Hence,
an
emerging
computing
paradigm
named
as
fog/edge
was
evolved,
close
data
source
optimize
quality
(QoS)
parameters
such
latency,
scalability,
reliability,
energy,
privacy,
security
data.
This
article
presents
evolution
in
from
client‐server
edge
along
with
their
objectives
limitations.
A
state‐of‐the‐art
review
Cloud
Computing
(CoT)
presented
that
addressed
techniques,
constraints,
limitations,
research
challenges.
Further,
we
have
discussed
role
mechanism
Fog
(FoT),
necessitating
amalgamation
CoT.
We
reviewed
several
architecture,
features,
applications,
existing
challenges
computing.
The
comprehensive
survey
these
paradigms
offers
depth
knowledge
about
various
aspects,
trends,
motivation,
vision,
integrated
architectures.
In
end,
experimental
tools
future
directions
are
hope
this
study
will
work
a
stepping‐stone
field
paradigms.
