Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi,
Год журнала:
2023,
Номер
28(2), С. 467 - 481
Опубликована: Март 21, 2023
Classification
is
an
important
technique
used
to
distinguish
data
samples.
The
aim
of
this
study
classify
according
emotions
by
extracting
audio
features.
Two
male
and
two
female
individuals
expressed
four
different
as
"fun",
"angry",
"neutral"
"sleepy"
in
the
voice
data.
We
“MFCC”
a
Cepstral
feature,
“Centroid,
Flatness,
Skewness,
Crest,
Flux,
Slope,
Decrease,
Kurtosis,
Spread,
Entropy,
roll
off
point”
Spectral
Feature,
“Pitch,
Harmonic
ratio”
Periodicity
Features
sound
After,
we
applied
that
all
classification
algorithms
located
learner
toolbox
Matlab
tried
emotion
with
algorithm
provides
highest
accuracy.
Each
has
twenty-six
features
inputs
one
labeled
output
value.
According
results,
support
vector
machine
provided
accuracy
performance.
Considering
performances
obtained,
reveals
it
possible
sounds
using
sentimental
feature
parameters.
Gümüşhane Üniversitesi Fen Bilimleri Enstitüsü Dergisi,
Год журнала:
2023,
Номер
unknown
Опубликована: Июнь 23, 2023
The
increasing
availability
of
big
data
has
led
to
the
development
applications
that
make
human
life
easier.
In
order
process
this
correctly,
it
is
necessary
extract
useful
and
valid
information
from
large
warehouses
through
a
knowledge
discovery
in
databases
(KDD).
Data
mining
an
important
part
involves
discovering
developing
models
unknown
patterns.
quality
used
supervised
machine
learning
algorithms
plays
significant
role
determining
success
predictions.
One
factor
improves
balanced
dataset,
where
input
values
are
distributed
close
each
other.
However,
practice,
many
datasets
unbalanced.
To
overcome
problem,
oversampling
techniques
generate
synthetic
as
real
possible.
study,
we
compared
performance
two
techniques,
SMOTE
KNNOR,
on
variety
using
different
algorithms.
Our
results
showed
use
KNNOR
did
not
always
improve
accuracy
model.
fact,
datasets,
these
resulted
decrease
accuracy.
certain
both
were
able
increase
indicate
effectiveness
varies
depending
specific
dataset
algorithm
being
used.
Therefore,
crucial
assess
methods
case-by-case
basis
determine
best
approach
for
given
algorithm.
International Journal of Applied Mathematics Electronics and Computers,
Год журнала:
2023,
Номер
11(1), С. 37 - 43
Опубликована: Март 31, 2023
Iron
metal
is
the
most
widely
used
type.
This
metal,
which
in
countless
sectors,
processed
different
ways
and
turned
into
steel.
Since
steel
has
a
brittle
structure
compared
to
iron,
defects
may
occur
plates
during
rolling
process.
Detection
of
these
at
production
stage
great
importance
terms
commercial
safety.
Machine
learning
methods
can
be
such
problems
for
fast
high
accuracy
detection.
For
this
purpose,
using
dataset
obtained
from
stainless
surface
study,
classification
processes
were
carried
out
detect
with
four
machine
methods.
Logistic
Regression
(LR),
Decision
Tree
(DT),
Support
Vector
(SVM)
Random
Forest
(RF)
algorithms
processes.
The
highest
was
79.44%
RF
model.
Correlation
analysis
performed
order
analyze
effects
features
on
results.
It
thought
that
proposed
models
satisfactory
challenging
problem,
but
needs
upgraded.
This
study
deals
with
the
issue
of
explainability
in
classification
plant
diseases
by
deep
learning
methods.
In
particular,
models
is
shown
using
Score-CAM
method.
a
method
used
to
identify
important
regions
that
affect
decision
model.
this
study,
was
applied
analyzing
images
leaves,
and
it
provided
explain
decisions
model
for
diagnosis
disease.
As
result,
techniques
help
achieve
more
effective
accurate
results
early
diseases.
turn
helps
reduce
negative
effects
on
economic
food
security
increasing
agricultural
productivity.
Wheat
is
the
primary
component
of
majority
everyday
food
items,
and
acquiring
high-quality
wheat
grains
a
crucial
concern
for
production
products.
Recognizing
types
durum
vital
during
processing
in
food-processing
facilities.
A
dataset
that
included
two
varieties
extraneous
substances
was
gathered.
The
objective
this
study
to
identify
minimum
number
features
from
pool
236
morphological,
color,
wavelet,
gaborlet
features,
which
can
yield
highest
accuracy
with
minimal
difference
between
validation
test
kinds
wheat:
starchy
vitreous
foreign
elements.
This
proposes
machine
learning
approach
optimal
set
distinguishing
starchy,
wheat,
comprises
feature
selection,
optimization,
classification.
First,
five
selection
techniques,
MRMR,
ChiSquare,
Relief,
ANOVA,
Kruskal-Wallis
SVM,
were
evaluated
identification
wheat.
After
conducting
analysis,
it
found
out
50
yielded
significant
performance.
However,
also
suffers
decreasing
2-3%
decrease
accuracy.
To
compensate
this,
Bayesian
optimization
technique
introduced
achieved
99.8%
99.6%.
methodology
helps
chain.
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Май 14, 2024
In
agriculture,
especially
wheat
cultivation,
farmers
often
use
multi-variety
planting
strategies
to
reduce
monoculture-related
harvest
risks.
However,
the
subtle
morphological
differences
among
varieties
make
accurate
discrimination
technically
challenging.
Traditional
variety
classification
methods,
reliant
on
expert
knowledge,
are
inefficient
for
modern
intelligent
agricultural
management.
Numerous
existing
models
computationally
complex,
memory-intensive,
and
difficult
deploy
mobile
devices
effectively.
This
study
introduces
G-PPW-VGG11,
an
innovative
lightweight
convolutional
neural
network
model,
address
these
issues.
G-PPW-VGG11
ingeniously
combines
partial
convolution
(PConv)
partially
mixed
depthwise
separable
(PMConv),
reducing
computational
complexity
feature
redundancy.
Simultaneously,
incorporating
ECANet,
efficient
channel
attention
mechanism,
enables
precise
leaf
information
capture
effective
background
noise
suppression.
Additionally,
replaces
traditional
VGG11's
fully
connected
layers
with
two
pointwise
a
global
average
pooling
layer,
significantly
memory
footprint
enhancing
nonlinear
expressiveness
training
efficiency.
Rigorous
testing
showed
G-PPW-VGG11's
superior
performance,
impressive
93.52%
accuracy
only
1.79MB
usage.
Compared
VGG11,
5.89%
increase
in
accuracy,
35.44%
faster
inference,
99.64%
reduction
also
surpasses
networks
inference
speed.
Notably,
was
successfully
deployed
Android
its
performance
evaluated
real-world
settings.
The
results
84.67%
time
of
291.04ms
per
image.
validates
model's
feasibility
practical
classification,
establishing
foundation
For
future
research,
trained
model
complete
dataset
made
publicly
available.
Konya Journal of Engineering Sciences,
Год журнала:
2024,
Номер
unknown, С. 358 - 372
Опубликована: Фев. 28, 2024
There
are
many
varieties
of
wheat
grown
around
the
world.
In
addition,
they
have
different
physiological
states
such
as
vitreous
and
yellow
berry.
These
reasons
make
it
difficult
to
classify
by
experts.
this
study,
a
workflow
was
carried
out
for
both
segmentation
according
its
vitreous/yellow
berry
grain
status
classification
variety.
Unlike
previous
studies,
automatic
images
with
U2-NET
architecture.
Thus,
roughness
shadows
on
image
minimized.
This
increased
level
success
in
classification.
The
newly
proposed
CNN
architecture
is
run
two
stages.
first
stage,
sorted
vitreous-yellow
second
these
separated
wheats
were
grouped
multi-label
Experimental
results
showed
that
accuracy
binary
98.71%
average
89.5%.
study
has
potential
contribute
making
process
more
reliable,
effective,
objective
helping
Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi,
Год журнала:
2023,
Номер
28(2), С. 467 - 481
Опубликована: Март 21, 2023
Classification
is
an
important
technique
used
to
distinguish
data
samples.
The
aim
of
this
study
classify
according
emotions
by
extracting
audio
features.
Two
male
and
two
female
individuals
expressed
four
different
as
"fun",
"angry",
"neutral"
"sleepy"
in
the
voice
data.
We
“MFCC”
a
Cepstral
feature,
“Centroid,
Flatness,
Skewness,
Crest,
Flux,
Slope,
Decrease,
Kurtosis,
Spread,
Entropy,
roll
off
point”
Spectral
Feature,
“Pitch,
Harmonic
ratio”
Periodicity
Features
sound
After,
we
applied
that
all
classification
algorithms
located
learner
toolbox
Matlab
tried
emotion
with
algorithm
provides
highest
accuracy.
Each
has
twenty-six
features
inputs
one
labeled
output
value.
According
results,
support
vector
machine
provided
accuracy
performance.
Considering
performances
obtained,
reveals
it
possible
sounds
using
sentimental
feature
parameters.