DSE PROPOSAL NUMBER 130-1-65 IMAGE ENHANCING FLYING SPOT MICROSCOPE

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04770A002700040016-3
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 17
• Document Creation Date: December 28, 2016
• Document Release Date: June 16, 2005
• Sequence Number: 16
• Publication Date: October 5, 1966
• Content Type: LETTER

STET
Approved For Release 2
'05/06/23: CIA7RDP78B04770
Rome Air Development Center
Griffiss Air Force Base
Rome, New York
STAT Attention:
Subject: DSE Proposal Number 130-1-65
Image Enhancing Flying Spot Microscope
In order to explore some of the "Development Alternatives, to
page 10-1 of Data Systems Engineering's Proposal Number 130-1-65.
a parametric study of bandwith, resolution, frame rate, etc. , was
made.
The three enclosed graphs summarize our calculations, indicating
a best compromise design, based on a flicker-free frame rate of 20 'rames
per second as the independent variable.
Figure 1 shows the feasible operating region of a flying spot scanner,
using a very short persistence P16 Pan Aura tube -- of which we have a
sample. The upper limit seems to be a 1000 line system with a bandwidth
of 20 me/ second -- imposed by phosphor decay time (. 12 microseco:ds).
A two-inch tube permits a one-inch raster at 1000 lines/inch with electronic
raster shrink (zoom) down to 0. 1 inch or 10, 000 lines/inch. This is possible
only with a grainless, high resolution screen such as Pan Aura's. Any
further raster shrinkage (electronic zoom) would far exceed any advia-tized
phosphor resolution and would' also reduce area coverage below usefra limits.
Figure 2 shows resolution at the film plane versus coverage at the
film plane with a combine electronic (10:1) and optical (3:1) zoom over
the total continuous range of 30:1. Coverage extends from a 1. 2 incl.
square down to a 0. 04 inch square at the film. A fine focus adjustment
will be provided for the optical zoom, but none is required for electronic
zoom -- its major advantage. With minimum coverage, resolution reaches
a maximum of 1000 lines/mm. at the film -- limited by the optics.
Declass Review by NGA.
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STS" T
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Sincerely,
Manager, Research =6 Development
Data Systems Engineering
Figure 1 (two 'copies)
Figure 2 (two copies)
Figure 3 (two copies)
DSE Proposal No. 130-1-65 (one copy)
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Rome Air Development Center
5 October 1965
Page 2
Figure 3 shows overall magnification of the system versus co-erage
at the film for three sizes of display tubes. Although the resolution
requirements of the display tube are not as stringent as for the scanner
tube, the improved contrast of a Pan Aura display tube might warrant its
use. Notwithstanding the size or type of display tube used, the scrc or.
would be filled with the 1000 line picture regardless of the area cov 3red
at the film.
We believe that the combined electronic and optical zoom arr~=.nge-
ment represents a considerable operational convenience over the orinally
proposed design. The 1000 line system at 20 me/second appears tc be
the best compromise between proven feasibility and challenge to the
designer -- with useful image enhancement still being the primary target
of the development.
Enclosed is an extra copy of our proposal.
Enclosures (7)
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RESEARCH AND DEVELOPMENT MANAGEMENT REPORT
Reconnaissance Interpretation (PR I-b-4711)
. PROJECT OFFICE
-R-ADC (EMIRC)
S. MANAGEMENT ORGANIZATION
RTD
TYPE OF REPORT
STATUS I I SPECIAL I R e q u e s t for D&F
Sc
S. DATE PREPARED
30 September 1965
This management report is submitted to obtain AF approval or
procurement of the portion of program element 62405454. Projeci 6244
(Purchase Request I-b-4711) described below.
1. This effort will cover Exploratory Development for Viewing De-
i
f
v
ces
or Photointerpretation and is specifically directed towt.rd a i
very high resolution flying spot microscope viewing device for detail
ed analysis of aerial reconnaissance imagery. This device will permit:
detailed microscope scanning and electronic display as well as ,+;re
t
c
selected area of the image area in the microscope viewing aperture,
d f
i
an
or var
able zoom magnification of the final display. Resolution
capabilities shall be optically rather than electronically limited.
:Development in this area will significantly add to the state-of-the-
lart of high resolution electronic scanning and display of aerial
reconnaissance imagery.
a. This part of the,prog-ram will provide a significantly improvec'.
capability for detailed analysis of high resolution aerial reconnais-
,1sance ihnagery, and is..integrally related to the reconnaissance in-
terpretation investigation being conducted'under Projects 6244 and
bb5A.
b. The end result of this effort will be an experimental viewing
device for in-house investigation of photo-interpretation equipment
conc,epts.and interpretation techniques. This procurement will -)ro-
educe quantitative data relating high resolution electronic
scaniing
techniques, with photo-interpretation analyses for varied scale
aerial reconnaissance imagery, in conjunction with data derived from
comparable experiments with other interpretation equipment.
c. The overall result of this work will %prov"id"e e'ngineerin.; data
for the design of reconnaissance oriented high resolution elect:-onic'
4scaan and presentation devices including remote multi-station di..;play
and long-range transmission techniques. In addition, advanced :)hoto-
interpretation concepts for exploitation of small scale aerial
reconnaissance imagery, using video scan procedures, will be de~~ovoped
and reported.
d. .The current level of technology which supports he fees-ulity,
of this program is as'follows. An electronically generated image
generally results in considerable degradation of the source reccrd and-,
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S. OSD PROGRAM 1:LEMENT NO.
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low effective resolution at the display screen, when compared to optical
or direct visual modes of display. Video scan techniques of limited
resolution capability have been developed for a variety of reconnaissance
ground data handling projects.
The principal design problems of effective scanning lines for various
raster sizes, the frequency response of system components, with the atten-
dant ability to handle large data rates, and basic electronic noise
interference have each been investigated in a variety of photo interpre-
tation equipments employing electronic scanning procedures (Contracts
AF 30(b02)-3060, 3245, 3'+51, 3514). Recent developments with transparent
phosphors appear to yield significantly higher scanning resolution's than
previously possible with the shortest persistent silvered phosphors.
State-of-the-art thin firm techniques now make possible the fabrication
of screen materials whose unique transparent properties permit an effective
screen trace as fine as the electron beam. The use of such cathode ray
tube screen materials, in conjunction with advanced Video signal and
transmission techniques, makes it feasible to discuss electronic scanning
procedures which would result in an optically limited system. It is the
intent of this procurement to investigate the application of the feasi-
bility for the reconnaissance image interpretation transmission and display
problem, making maximum use of the inherent signal processing flexibility
and the potential of high resolution electronic techniques for rapid
(real-time) scanning, variable range data transmission, signal manipula-
tion and multi-format/multi-station display.
e. This work has been coordinated with the Inter-Service Coordinating*
and Integrating Group (ISCIG) for Tactical Air Reconnaissance and Aerial
Battlefield Surveillance. It is also closely related to Project b98DB
(Reconnaissance Exp1o;itat16'h).. In addition, the planned procurement
parallels a similar project within the reconnaissance equipment program
of the Naval Reconnaissance and Technical Support Center; close coordina-
tion and exchange of information is to be maintained between respective STAT
Naval and Air Force Representatives to ensure complement development in
the mutual photo transmission and photo interpretation research areas..
3. The purchase request number is I-6-4711; the citation of'funds is
57X3600 2854702 Pb76244 62405454 S5039Ol; the Project Number is 6244; the.
Task Number is 624412; the Program Element Code is 62405454; the date of
the latest DD Form 1498. is I March 1965.
4. It is desired that a contract for this effort be awarded by
I January I966.'Initially.it was estimated that the proposed procurement
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would be less thani Competitive solicit?TAT
tion was effected on this basis and proposals received exceeded the init.
estimate. Hence, the desired contract award date appears to be realistic
based upon receipt of proposals.
5. At present the following sources are being -considered for this
procurement:
Chief, Interp & Analysis Section
Recon :Intel Data Handling Branch
APPROVE :
uniet,-intej n o Processing v
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