Applied Optics,
Год журнала:
2024,
Номер
63(21), С. 5768 - 5768
Опубликована: Июль 3, 2024
Compared
to
push-scan
hyperspectral
imagers,
snapshot
imagers
offer
an
advantage
by
minimizing
sensitivity
attitude
jitter
in
underwater
mobile
platforms.
Here
we
present
the
optical
design
and
development
of
microlens
array
integral
field
imager.
The
system
comprises
a
panchromatic
imaging
channel
with
high
spatial
resolution
spectral
lower
resolution.
Through
fusion
high-resolution
images
low-resolution
images,
achieve
images.
Both
share
common
front
objective,
featuring
25
mm
focal
length
wide
36°
view
angle.
Utilizing
prism
dispersion,
spans
band
range
from
465
700
nm
less
than
10
nm.
Specialized
algorithms
for
image
reconstruction
have
been
developed.
experimental
results
across
diverse
scenes
confirm
exemplary
performance
system,
positioning
it
as
robust
solution
imaging.
Journal of Engineering Studies and Research,
Год журнала:
2024,
Номер
29(4), С. 43 - 49
Опубликована: Март 6, 2024
Precision
agriculture,
together
with
remote
sensing
and
vegetation
indices,
represents
a
modern
correlation
that
maximizes
efficiency
sustainability
in
farmland
management,
contributing
to
more
efficient
responsible
production.
Remote
agriculture
is
an
important
technology
uses
data
from
sensors
mounted
on
satellites,
drones,
aircraft
monitor
evaluate
agricultural
land.
Vegetation
indices
are
needed
precision
because
they
provide
quantitative
objective
information
crops
efficient,
sustainable
cost-effective
land
management.
The Egyptian Journal of Remote Sensing and Space Science,
Год журнала:
2024,
Номер
27(2), С. 288 - 297
Опубликована: Апрель 4, 2024
A
significant
portion
of
hyperspectral
image
(HSI)
analysis
involves
detecting
anomalous
pixels,
which
are
indicative
interesting
phenomena
or
objects.
One
the
main
challenges
is
presence
outlier
and
noisy
pixels
in
background
data
due
to
variety
spectral
signatures
heterogeneous
HSIs.
This
article
presents
an
effective
approach
using
both
spatial
features
for
anomaly
detection.
The
median
filter
with
appropriate
size
driven
by
principal
component
information
used
cleaning
background.
Then,
segmented
watershed
approach.
detection
occurs
based
on
resolution
calculating
each
pixel's
distance
from
its
segment
via
angle
Euclidean
distance.
proposed
Watershed
Anomaly
Detector
(WAD),
employs
HSI
properly.
It
also
uses
within
detect
pixels.
WAD
outperforms
other
methods
simplicity
conceptual
clarity.
Notably,
underlying
equation
offers
broader
applicability
segmentation
tasks.
Experiments
three
benchmark
datasets
show
achieves
higher
accuracy
faster
execution
versus
state-of-the-art
techniques.
On
average
across
methods,
attained
a
6.45%
area
under
receiver
operating
characteristic
(ROC)
curve
ran
26.95
s
than
detectors.
effectively
detects
anomalies
varied
resolutions.
results
highlight
stability,
robustness
computational
efficiency
diverse
data.
simultaneous
effectiveness
make
well-suited
near
real-time
applications.
Applied Optics,
Год журнала:
2024,
Номер
63(21), С. 5768 - 5768
Опубликована: Июль 3, 2024
Compared
to
push-scan
hyperspectral
imagers,
snapshot
imagers
offer
an
advantage
by
minimizing
sensitivity
attitude
jitter
in
underwater
mobile
platforms.
Here
we
present
the
optical
design
and
development
of
microlens
array
integral
field
imager.
The
system
comprises
a
panchromatic
imaging
channel
with
high
spatial
resolution
spectral
lower
resolution.
Through
fusion
high-resolution
images
low-resolution
images,
achieve
images.
Both
share
common
front
objective,
featuring
25
mm
focal
length
wide
36°
view
angle.
Utilizing
prism
dispersion,
spans
band
range
from
465
700
nm
less
than
10
nm.
Specialized
algorithms
for
image
reconstruction
have
been
developed.
experimental
results
across
diverse
scenes
confirm
exemplary
performance
system,
positioning
it
as
robust
solution
imaging.
