Lightweight U-Net-Based Method for Estimating the Severity of Wheat Fusarium Head Blight
Lei Shi,
No information about this author
Zhihao Liu,
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Chengkai Yang
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et al.
Agriculture,
Journal Year:
2024,
Volume and Issue:
14(6), P. 938 - 938
Published: June 15, 2024
Wheat
Fusarium
head
blight
is
one
of
the
major
diseases
affecting
yield
and
quality
wheat.
Accurate
rapid
estimation
disease
severity
crucial
for
implementing
disease-resistant
breeding
scientific
management
strategies.
Traditional
methods
estimating
are
complex
inefficient,
often
failing
to
provide
accurate
assessments
under
field
conditions.
Therefore,
this
paper
proposes
a
method
using
lightweight
U-Net
model
segmenting
wheat
spike
spots
estimate
severity.
Firstly,
employs
MobileNetv3
as
its
backbone
feature
extraction,
significantly
reducing
number
parameters
computational
demand,
thus
enhancing
segmentation
efficiency.
Secondly,
network
has
been
augmented
with
Coordinate
Attention
(CA)
module,
which
integrates
lesion
position
information
through
channel
attention
aggregates
features
across
two
spatial
dimensions.
This
allows
capture
long-range
correlations
maintain
positional
information,
effectively
while
ensuring
model’s
efficient
characteristics.
Lastly,
depthwise
separable
convolutions
have
introduced
in
decoder
place
standard
convolutions,
further
parameter
count
maintaining
performance.
Experimental
results
show
that
Mean
Intersection
over
Union
(MIoU)
reached
88.87%,
surpassing
by
3.49
percentage
points,
total
only
4.52
M,
one-sixth
original
model.
The
improved
demonstrates
capability
segment
individual
conditions
infestation,
providing
technical
support
identification
research.
Language: Английский
GPS-free autonomous navigation in cluttered tree rows with deep semantic segmentation
Robotics and Autonomous Systems,
Journal Year:
2024,
Volume and Issue:
183, P. 104854 - 104854
Published: Nov. 8, 2024
Language: Английский
Semantic Segmentation Network for Unstructured Rural Roads Based on Improved SPPM and Fused Multiscale Features
Xinyu Cao,
No information about this author
Yongqiang Tian,
No information about this author
Zhixin Yao
No information about this author
et al.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(19), P. 8739 - 8739
Published: Sept. 27, 2024
Semantic
segmentation
of
rural
roads
presents
unique
challenges
due
to
the
unstructured
nature
these
environments,
including
irregular
road
boundaries,
mixed
surfaces,
and
diverse
obstacles.
In
this
study,
we
propose
an
enhanced
PP-LiteSeg
model
specifically
designed
for
segmentation,
incorporating
a
novel
Strip
Pooling
Simple
Pyramid
Module
(SP-SPPM)
Bottleneck
Unified
Attention
Fusion
(B-UAFM).
These
modules
improve
model’s
ability
capture
both
global
local
features,
addressing
complexity
roads.
To
validate
effectiveness
our
model,
constructed
Rural
Roads
Dataset
(RRD),
which
includes
set
scenes
from
different
regions
environmental
conditions.
Experimental
results
demonstrate
that
significantly
outperforms
baseline
models
such
as
UNet,
BiSeNetv1,
BiSeNetv2,
achieving
higher
accuracy
in
terms
mean
intersection
over
union
(MIoU),
Kappa
coefficient,
Dice
coefficient.
Our
approach
enhances
performance
complex
providing
practical
applications
autonomous
navigation,
infrastructure
maintenance,
smart
agriculture.
Language: Английский