Convolutional Neural Network-Based Risk Assessment of Regional Susceptibility to Road Collapse Disasters: A Case Study in Guangxi
Cheng Li,
Zhixiang Lu,
Yulong Hu
и другие.
Applied Sciences,
Год журнала:
2025,
Номер
15(6), С. 3108 - 3108
Опубликована: Март 13, 2025
The
Guangxi
Zhuang
Autonomous
Region,
a
vital
strategic
geographic
entity
in
southern
China,
is
prone
to
frequent
road
collapse
disasters
due
its
complex
topography
and
high
rainfall,
severely
affecting
regional
economic
social
development.
Existing
risk
assessments
for
these
often
lack
comprehensive
analysis
of
the
combined
influence
multiple
factors,
their
predictive
accuracy
requires
enhancement.
To
address
deficiencies,
this
study
utilized
ResNet18
model,
convolutional
neural
network
(CNN)-based
approach,
integrating
10
critical
factors—including
slope
gradient,
lithology,
precipitation—to
develop
assessment
model
disasters.
This
predicts
maps
spatial
distribution
across
Guangxi.
results
reveal
that
very
high-risk
areas
span
49,218.94
km2,
constituting
20.38%
Guangxi’s
total
area,
with
disaster
point
density
8.67
per
100
km2;
cover
56,543.87
representing
23.41%,
3.38
low-risk
encompass
61,750.69
accounting
25.57%,
0.29
km2.
receiver
operating
characteristic
(ROC)
curve
yields
an
area
under
(AUC)
value
0.7879,
confirming
model’s
reliability
assessing
risk.
establishes
scientific
foundation
prevention
mitigation
offers
valuable
guidance
similar
regions.
Язык: Английский
Debris-flow susceptibility assessment using deep learning algorithms with GeoDetector for factor optimization
Bulletin of Engineering Geology and the Environment,
Год журнала:
2025,
Номер
84(6)
Опубликована: Май 7, 2025
Язык: Английский
DS Net: A Dual-Coded Segmentation Network Leveraging Large Model Prior Knowledge for Intelligent Landslide Extraction
Remote Sensing,
Год журнала:
2025,
Номер
17(11), С. 1912 - 1912
Опубликована: Май 31, 2025
Landslides
are
characterized
by
their
suddenness
and
destructive
power,
making
rapid
accurate
identification
crucial
for
emergency
rescue
disaster
assessment
in
affected
areas.
To
address
the
challenges
of
limited
landslide
samples
data
complexity,
a
sample
library
was
constructed
using
high-resolution
remote
sensing
imagery
combined
with
field
validation.
An
innovative
Dual-Coded
Segmentation
Network
(DS
Net),
which
realizes
dynamic
alignment
deep
fusion
local
details
global
context,
image
features
domain
knowledge
through
multi-attention
mechanism
Prior
Knowledge
Integration
(PKI)
module
Cross-Feature
Aggregation
(CFA)
module,
significantly
improves
detection
accuracy
reliability.
objectively
evaluate
performance
DS
Net
model,
four
efficient
semantic
segmentation
models—SegFormer,
SegNeXt,
FeedFormer,
U-MixFormer—were
selected
comparison.
The
results
demonstrate
that
achieves
superior
(overall
=
0.926,
precision
0.884,
recall
0.879,
F1-score
0.882),
metrics
3.5–7.1%
higher
than
other
models.
These
findings
confirm
effectively
efficiency
identification,
providing
critical
scientific
basis
prevention
mitigation.
Язык: Английский