Physical Review Research, Journal Year: 2025, Volume and Issue: 7(1)
Published: Jan. 3, 2025
As
part
of
the
Vienna
package
for
Erlangen
LEED,
low-energy
electron
diffraction
(ViPErLEED)
project,
computer
programs
have
been
developed
facile
and
user-friendly
data
extraction
from
movies
LEED
images.
The
make
use
some
concepts
astronomical
image
processing
analysis.
a
first
step,
flat-field
dark-frame
corrections
reduce
effects
inhomogeneities
camera
screen.
In
second
identifying
all
maxima
(“spots”),
it
is
sufficient
to
manually
mark
label
single
spot
or
very
few
spots.
Then
program
can
automatically
identify
other
spots
determine
distortions
image.
This
forms
basis
automatic
tracking
(i.e.,
following
as
they
move
across
screen)
intensity
measurement.
Even
complex
structures
with
hundreds
thousand
beams,
this
step
takes
less
than
minute.
also
includes
further
these
Language: Английский