An interpretable wheat yield estimation model using an attention mechanism-based deep learning framework with multiple remotely sensed variables
International Journal of Applied Earth Observation and Geoinformation,
Journal Year:
2025,
Volume and Issue:
140, P. 104579 - 104579
Published: May 8, 2025
Language: Английский
Remote Sensing Identification of Picea schrenkiana var. tianschanica in GF-1 Images Based on a Multiple Mixed Attention U-Net Model
Jian Zheng,
No information about this author
Donghua Chen,
No information about this author
Hanchi Zhang
No information about this author
et al.
Forests,
Journal Year:
2024,
Volume and Issue:
15(11), P. 2039 - 2039
Published: Nov. 19, 2024
Remote
sensing
technology
plays
an
important
role
in
woodland
identification.
However,
mountainous
areas
with
complex
terrain,
accurate
extraction
of
boundary
information
still
faces
challenges.
To
address
this
problem,
paper
proposes
a
multiple
mixed
attention
U-Net
(MMA-U-Net)
semantic
segmentation
model
using
2015
and
2022
GF-1
PMS
images
as
data
sources
to
improve
the
ability
extract
features
Picea
schrenkiana
var.
tianschanica
forest.
The
architecture
serves
its
underlying
network,
feature
is
improved
by
adding
hybrid
CBAM
replacing
original
skip
connection
DCA
module
accuracy
segmentation.
results
show
that
on
remote
dataset
images,
compared
other
models,
increased
5.42%–19.84%.
By
statistically
analyzing
spatial
distribution
well
their
changes,
area
was
3471.38
km2
3726.10
2022.
Combining
predicted
DEM
data,
it
found
were
most
distributed
at
altitude
1700–2500
m.
method
proposed
study
can
accurately
identify
provides
theoretical
basis
research
direction
for
forest
monitoring.
Language: Английский
Segmentation of Any Fire Event (SAFE): A Rapid and High-Precision Approach for Burned Area Extraction Using Sentinel-2 Imagery
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
17(1), P. 54 - 54
Published: Dec. 27, 2024
The
timely
and
accurate
monitoring
of
wildfires
other
sudden
natural
disasters
is
crucial
for
safeguarding
the
safety
residents
their
property.
Satellite
imagery
wildfire
offers
a
unique
opportunity
to
obtain
near-real-time
disaster
information
through
rapid,
large-scale
remote
sensing
mapping.
However,
existing
methods
are
constrained
by
temporal
spatial
limitations
imagery,
preventing
comprehensive
fulfillment
need
high
resolution
in
early
warning.
To
address
this
gap,
we
propose
high-precision
extraction
method
without
training—SAFE.
SAFE
combines
generalization
capabilities
Segmentation
Anything
Model
(SAM)
effectiveness
hotspot
product
data
such
as
MODIS
VIIRS.
employs
two-step
localization
strategy
incrementally
identify
burned
areas
pixels
post-wildfire
thereby
reducing
computational
load
providing
high-resolution
impact
areas.
area
generated
can
subsequently
be
used
train
lightweight
regional
models,
establishing
detection
models
applicable
various
regions,
ultimately
undetected
We
validated
four
test
regions
representing
two
typical
scenarios—grassland
forest.
results
showed
that
SAFE’s
F1-score
was,
on
average,
9.37%
higher
than
alternative
methods.
Additionally,
application
scenarios
demonstrated
its
potential
capability
detect
fine
distribution
impacts
global
scale.
Language: Английский