Enhanced Hyperspectral Forest Soil Organic Matter Prediction Using a Black-Winged Kite Algorithm-Optimized Convolutional Neural Network and Support Vector Machine
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(2), P. 503 - 503
Published: Jan. 7, 2025
Soil
Organic
Matter
(SOM)
is
crucial
for
soil
fertility,
and
effective
detection
methods
are
of
great
significance
the
development
agriculture
forestry.
This
study
uses
206
hyperspectral
samples
from
state-owned
Yachang
Huangmian
Forest
Farms
in
Guangxi,
using
SPXY
algorithm
to
partition
dataset
a
4:1
ratio,
provide
an
spectral
data
preprocessing
method
novel
SOM
content
prediction
model
area
similar
regions.
Three
denoising
(no
denoising,
Savitzky–Golay
filter
discrete
wavelet
transform
denoising)
were
combined
with
nine
mathematical
transformations
(original
reflectance
(R),
first-order
differential
(1DR),
second-order
(2DR),
MSC,
SNV,
logR,
(logR)′,
1/R,
((1/R)′)
form
27
combinations.
Through
Pearson
heatmap
analysis
modeling
accuracy
comparison,
SG-1DR
combination
was
found
effectively
highlight
features.
A
CNN-SVM
based
on
Black
Kite
Algorithm
(BKA)
proposed.
leverages
powerful
parameter
tuning
capabilities
BKA,
CNN
feature
extraction,
SVM
classification
regression,
further
improving
prediction.
The
results
RMSE
=
3.042,
R2
0.93,
MAE
4.601,
MARE
0.1,
MBE
0.89,
PRIQ
1.436.
Language: Английский
A multi-component concentration spectral modeling method with parallel drift resistance based on disorderly difference
Talanta,
Journal Year:
2025,
Volume and Issue:
292, P. 127943 - 127943
Published: March 13, 2025
Language: Английский
Federated learning applications in soil spectroscopy
Geoderma,
Journal Year:
2025,
Volume and Issue:
456, P. 117259 - 117259
Published: March 25, 2025
Language: Английский
Characteristic wavelength selection based on multi-strategy fusion zebra optimization algorithm for PLSR
Yü Liu,
No information about this author
C.S. Tong,
No information about this author
Simin Wu
No information about this author
et al.
Measurement,
Journal Year:
2025,
Volume and Issue:
unknown, P. 117486 - 117486
Published: April 1, 2025
Language: Английский
Spectral Data-Driven Prediction of Soil Properties Using LSTM-CNN-Attention Model
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(24), P. 11687 - 11687
Published: Dec. 14, 2024
Accurate
prediction
of
soil
properties
is
essential
for
sustainable
land
management
and
precision
agriculture.
This
study
presents
an
LSTM-CNN-Attention
model
that
integrates
temporal
spatial
feature
extraction
with
attention
mechanisms
to
improve
predictive
accuracy.
Utilizing
the
LUCAS
dataset,
analyzes
spectral
data
estimate
key
properties,
including
organic
carbon
(OC),
nitrogen
(N),
calcium
carbonate
(CaCO3),
pH
(in
H2O).
The
Long
Short-Term
Memory
(LSTM)
component
captures
dependencies,
Convolutional
Neural
Network
(CNN)
extracts
features,
mechanism
highlights
critical
information
within
data.
Experimental
results
show
proposed
achieves
excellent
performance,
coefficient
determination
(R2)
values
0.949
0.916
0.943
0.926
(pH),
along
corresponding
ratio
percent
deviation
(RPD)
3.940,
3.737,
5.377,
3.352.
Both
R2
RPD
exceed
those
traditional
machine
learning
models,
such
as
partial
least
squares
regression
(PLSR),
support
vector
(SVR),
random
forest
(RF),
well
deep
models
like
CNN-LSTM
Gated
Recurrent
Unit
(GRU).
Additionally,
outperforms
S-AlexNet
in
effectively
capturing
patterns.
These
findings
emphasize
potential
significantly
enhance
accuracy
reliability
property
predictions
by
both
patterns
effectively.
Language: Английский
Development and application of a model for the automatic evaluation and classification of onions (Allium cepa L.) using a Deep Neural Network (DNN)
Acta Scientiarum Polonorum Hortorum Cultus,
Journal Year:
2024,
Volume and Issue:
23(5), P. 39 - 57
Published: Nov. 30, 2024
Evaluating
onions
for
size,
shape,
damage,
colour
and
discolouration
is
the
first
most
important
step
in
classifying
them
raw
material
quality,
processing
horticultural
agri-food
sectors.
Current
methods
of
geometric
evaluation
grading
involve
mechanical
extremely
invasive
sorting,
which
causes
additional
reduces
quality
also
labour
time-consuming.
As
a
result,
non-invasive
classification
that
are
both
fast
accurate
being
sought.
One
such
method
digital
image
analysis,
which,
when
combined
with
instrumentation
deep
neural
networks,
can
fully
automate
process.
The
main
aim
this
study
was
development
model
automatic
using
convolutional
network
(CNN)
model.
A
fixed-architecture
built,
computational
algorithm
developed
Python
3.9
published
at
https://github.com/piotrrybacki/onion-CNN.git
(accessed
on
4
October
2024).
Hyduro
F1
onion
variety,
hybrid
all-purpose
variety
Rijnsburger
type,
used
to
build,
teach
test
classified
images
qualitatively
an
accuracy
91.85%.
This
based
parameters
onion,
i.e.
diameter,
height,
transversal
longitudinal
circumference,
estimated
area
damage
or
skin.
root
mean
square
error
(MSE)
RGB
space
varied
between
87.99
91.24,
maximum
time
28.98
ms/image.
has
very
high
utility,
as
it
automates
process,
reducing
its
intensity.
Language: Английский