THE EFFECTS OF PHOTOGRAPHIC GROUND RESOLUTION ON PHOTOINTERPRETATION

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79B00873A001600040008-6
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 6
• Document Creation Date: December 28, 2016
• Document Release Date: August 22, 2012
• Sequence Number: 8
• Publication Date: August 19, 1970
• Content Type: REPORT

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L.) VLJ
19 August 1970
Mr. Paul S.
Dear Paul:
Enclosed are five copies of the first progress
report on Contract Project Num-
ber 1711. I have sent one copy to Tom B.
Best regards,
/017
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THE EFFECTS OF PHOTOGRAPHIC ?
GROUND RESOLUTION ON PHOTOINTERPRETATION
Progress Report No. 1
19 August 1970
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THE EFFECTS OF PHOTOGRAPHIC
GROUND RESOLUTION ON PHOTOINTERPRETATION
Progress Report No. 1
For the Period: June 18, 1970 to August 18, 1970
CONTRACT STATUS
1. Period of Contract: June 18, 1970 to December
31, 1970.
6. Percentage of Funds Expended:
17.7%
7. Percentage of Work Completed: 20%
8. The work is on schedule.
9. The contract can be completed in the authorized
time.
10. The contract can be completed with the authorized
funds.
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PROGRESS
Task No. 1 in the contract is:
Finalization of the experimental and statis-
tical design, books containing the "ground-
truth" information, subject requirements
and instructions, and data collection forms.
In the proposal, it was estimated that this task would
take two and one-half months to complete. It is almost com-
pleted now and will be completed by the end of August when
Task No. 2, the data collection, is scheduled to begin.
Prior to the award of the contract, made
two trips with the technical monitor to Eastman Kodak in
New York to discuss the specifications of the images required
for the study. EK prepared the images and delivered them to
the customer in July.
During the week of 20 July,
technical monitor and
The purposes of the meeting were to make the final selection
of targets, determine how the PIs will locate the targets
to be identified, establish the number of PIs needed and
the time required of each PI, and design the experiment.
met with the
Early in the week,
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selected 25X1
the targets that would be used in the experiment. Approxi-
mately 45 targets were selected. The targets were artillery,
tanks, armored personnel carriers, self-propelled guns, trucks,
and missile carrying trucks.
Because many of the targets are very close together, it
was felt there might be a problem in indicating to the PIs
which ones they are to identify. It was found that the PIs
could easily locate the targets if they were provided with
a "map" of each photograph. The map will be a line drawing
of key features in the photograph with squares representing
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the targets. The targets to be identified will be numbered
on the map and the PI will be required to write his response
in the square on the map representing the target. His re-
sponse will be the number of the target in the keys that will
be given to him.
One PI at Autometric participated in a pilot experiment
to determine the time required to identify the targets. He
was provided with the appropriate maps and the target keys
which were in booklet form. He was required to identify the
targets at each of three ground resolutions-
It took him approximately five hours to complete the task;
thus, all six resolutions should take about ten hours. It
was apparent in watching the PI perform that about one-third
of his time was spent going back and forth through the key
trying to find the target. A significant amount of time can
be saved by placing the target keys in a compact array on the
wall in front of the PI. By doing this, it is anticipated
that the PIs will be able to go through all resolutions and
targets in about a day.
and the technical monitor discussed the
results of the pilot experiment and their implications for
the experimental design. It was concluded that 30 PIs will
be required for the main experiment. Twenty PIs will view all
ground resolutions working from the worst
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to the best 25X1
Each PI will complete the six resolutions in two ses-
sions on consecutive days. The PIs will be tested two at a
time. The targets will be viewed stereoscopically with the
exception of the artillery pieces and a few others. The
remaining group of ten PIs will view all targets except the
artillery monoscopically. These PIs will also view all ground
resolutions working from the worst to the best. Each PI in
this group will look at two-thirds of the targets and,
consequently, shoulA take slightly over a half a day to com-
plete the experiment.
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A comparison of stereoscopic versus monoscopic viewing
is not the main objective of the study, which is to deter-
mine the effects of ground resolution on the identification
of ground order-of-battle targets. However, the stereo vs.
mono comparison will be made in terms of target identifica-
tion performance.
During the week of 10 August,
performed a 25X1
portion of the PI identification task and found a few minor
problems in the experimental procedure. They can easily be
solved before the main experiment is scheduled to begin.
Also during the week of 10 August,
briefed the technical monitor and several other representa-
tives of the customer on the status of the study.
PLANS
During the next two months, we plan:
1. To complete Task No. 1, which means little
more than solving the aforementioned minor
procedural problems.
2. To complete Task No. 2: The collection of
the experimental data.
3. To complete Task No. 3: The analysis of
the experimental data.
19 August 1970
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Project Director
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