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A Decision Support System for the Intelligence Satellite Analyst
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A Decision Support System for the Intelligence Satellite Analyst
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680.pdf
Description
Title
A
Decision
Support
System
for the
Intelligence
Satellite
Analyst
Description
The
study
developed
a
decision
support
system
known
as
Visual
Analytic
Cognitive
Model
(VACOM)
to
support
the
Intelligence
Analyst
(IA)
in
satellite
information
processing
task
within
a
Geospatial
Intelligence
(GEOINT)
domain
. As a
visual
analytics
,
VACOM
contains
the
image
processing
algorithms
, a
cognitive
network
of the
IA
mental
model
, and a
Bayesian
belief
model
for
satellite
information
processing
. A
cognitive
analysis
tool
helps
to
identify
eight
knowledge
levels
in a
satellite
information
processing
. These are,
spatial
,
prototypical
,
contextual
,
temporal
,
semantic
,
pragmatic
,
intentional
, and
inferential
knowledge
levels
,
respectively
. A
cognitive
network
was
developed
for
each
knowledge
level
with
data
input
from the
subjective
questionnaires
that
probed
the
analysts’
mental
model
.
VACOM
interface
was
designed
to
allow
the
analysts
have a
transparent
view
of the
processes
,
including
,
visualization
model
, and
signal
processing
model
applied
to the
images
,
geospatial
data
representation
, and the
cognitive
network
of
expert
beliefs
.
VACOM
interface
allows
the
user
to
select
a
satellite
image
of
interest
,
select
each
of the
image
analysis
methods
for
visualization
, and
compare
‘ground-truth’
information
against
the
recommendation
of
VACOM
. The
interface
was
designed
to
enhance
perception
,
cognition
, and
even
comprehension
to the
multi
and
complex
image
analyses
by the
analysts
. A
usability
analysis
on
VACOM
showed
many
advantages
for the
human
analysts
. These
include
,
reduction
in
cognitive
workload
as a
result
of
less
information
search
, the
IA
can
conduct
an
interactive
experiment
on
each
of
his/her
belief
space
and
guesses
, and
selection
of
best
image
processing
algorithms
to
apply
to an
image
context
.
Creator
Park
,
Gi
Yeon
Publisher
North Carolina Agricultural and Technical State University
Date
2013
Type
Text
Format
PDF
Language
English
Major Professor
Ntuen
,
Dr
.
Celestine
A.
Academic Department
Industrial
and
Systems
Engineering
Degree
DOCTOR
OF
PHILOSOPHY
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