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.
European Food Research and Technology,
Год журнала:
2024,
Номер
250(6), С. 1551 - 1561
Опубликована: Март 14, 2024
Abstract
The
main
ingredient
of
flour
is
processed
wheat.
Wheat
an
agricultural
product
that
harvested
once
a
year.
It
may
be
necessary
to
choose
the
variety
wheat
for
growing
and
efficient
harvesting.
important
its
economic
value,
taste,
crop
yield.
Although
there
are
many
varieties
wheat,
they
very
similar
in
colour,
size,
shape,
it
requires
expertise
distinguish
them
by
eye.
This
time
consuming
can
lead
human
error.
Using
computer
vision
artificial
intelligence,
such
problems
solved
more
quickly
objectively.
In
this
study,
attempt
was
made
classify
five
bread
belonging
different
cultivars
using
Convolutional
Neural
Network
(CNN)
models.
Three
approaches
have
been
proposed
classification.
First,
pre-trained
CNN
models
(ResNet18,
ResNet50,
ResNet101)
were
trained
cultivars.
Second,
features
extracted
from
fc1000
layer
ResNet18,
ResNet101
classified
support
vector
machine
(SVM)
classifier
with
kernel
learning
techniques
classification
variants.
Finally,
SVM
methods
used
second
stage
obtained
optimal
set
represent
all
minimum
redundancy
maximum
relevance
(mRMR)
feature
selection
algorithm.The
accuracies
first,
second,
last
phases
as
follows.
first
phase,
most
successful
method
classifying
grains
ResNet18
model
97.57%.
+
ResNet50
Quadratic
ResNet
94.08%.The
accuracy
1000
effective
selected
algorithm
94.51%.
slightly
lower
than
deep
learning,
much
shorter
93%.
result
confirms
great
effectiveness
grain
Food Science & Nutrition,
Год журнала:
2023,
Номер
12(2), С. 786 - 803
Опубликована: Ноя. 9, 2023
The
purity
of
the
seeds
is
one
important
factors
that
increase
yield.
For
this
reason,
classification
maize
cultivars
constitutes
a
significant
problem.
Within
scope
study,
six
different
models
were
designed
to
solve
A
special
dataset
was
created
be
used
in
for
study.
contains
total
14,469
images
four
classes.
Images
belong
types,
BT6470,
CALIPOS,
ES_ARMANDI,
and
HIVA,
taken
from
BIOTEK
company.
AlexNet
ResNet50
architectures,
with
transfer
learning
method,
image
classification.
In
order
improve
success,
LSTM
(Directional
Long
Short-Term
Memory)
BiLSTM
(Bi-directional
algorithms
architectures
hybridized.
As
result
classifications,
highest
success
obtained
ResNet50+BiLSTM
model
98.10%.
Information Technology And Control,
Год журнала:
2024,
Номер
53(1), С. 19 - 36
Опубликована: Март 22, 2024
Leaf
images
are
often
used
to
detect
plant
diseases
because
most
disease
symptoms
appear
on
the
leaves.
Analyzes
performed
by
experts
in
laboratory
environment
expensive
and
time
consuming.
Therefore,
there
is
a
need
for
automated
detection
systems
that
both
economical
can
help
diagnose
early
more
accurately.
In
this
study,
deep
learning-based
methodology
presented
classification
of
leaf
plants,
which
very
similar
color,
texture,
vein
shape
cannot
be
noticed
non-experts,
important
traditional
medicine
pharmaceutical
industry.
model
development
process,
7
pre-learning
learning
algorithms
an
image
data
set
created
from
leaves
10
categories
were
preferred.
The
proposed
classifies
type
diseased
condition
dataset.
first
step
training
model,
different
rates
tested
with
optimum
hyperparameters.
second
part,
test
accuracy
rate
98.69%
was
achieved
DenseNet121
increased
data.
At
last
stage,
after
edge
processes,
value
67.92%
reached
DenseNet
121
model.