EVALUATION PROCEDURE FOR ORIGINAL NEGATIVE PREPARED BY (Sanitized)

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04767A000300010005-1
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 3
• Document Creation Date: December 28, 2016
• Document Release Date: November 29, 2004
• Sequence Number: 5
• Publication Date: February 20, 1970
• Content Type: MF

Approved For Release 2005/02/17 78B04767A000300010005-1
TSSG/APSD/ ISAR-024/ 70
20 February 1970
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MEMORANDUM FOR: Chief, Applied Photo Science Division, TSSG/NPIC
ATTENTION : Chief, Image Evaluation Branch, APSD/TSSG/NPIC
SUBJECT : Evaluation Procedure for Original Negative Prepared by
The ISAB reviewed the subject evaluation procedure with
respect to the ISAB/DAS microdensitonetry capability and submits
the following comments:
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microdensity measurements required in the data collection phase (Chart
I) with the following estimated response times:
a. Assuming that IEB personnel will select the edge targets
and provide the grid coordinates for each edge, approximately 50
hours will be required to measure the mission step wedge and 100
edges with 3 traces per edge.
b. Again assuming that IEB personnel will identify the
minimum density area of tone trace targets, approximately 30 hours
will be required to measure 100 such areas with one trace per
target.
1. The DAS, utilizing the instrument, can provide the
c. Measurements of additional targets identified
by IEE personnel will require an average minimum time o 20 minutes
depending on the number of traces per target.
2. The computer programs necessary for computations and data handling
do not presently exist within NPIC. The ISAB/DAS efforts and comments are
as follows:
a. The status of the interim production capability was reported
in TSSG/APSD/ISAB-01S/70 dated 29 January 1970. With respect to the
evaluation procedure, only the translate, exposure generator, and
MTF programs are applicable.
ECLASS REVIEW BY NGA / DoD
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SUBJECT: Evaluation Procedure for Original Negative Prepared by
b. A "final"i __1 Processing System is scheduled to
be fully implemented in July 1971 with intermediate completions
throughout the time period. The system will include versions of
the interim programs plus routines to display data in hard copy
graphical form. The primary advantage of this system is the
capability for off-line computer access through remote stations
such as thel However only the translate, exposure
generator, and MIT programs would be applicable to the evaluation
procedure. The following schedule is AID's latest estimate with
speculation that it can be completed at an earlier date:
3 March 1970 - Translate Program Expogen
1 April 1970 - Raw Data Output on Printer
1 May 1970 - Raw Data Graph on Printer
1 July 1970 - Sense Program
1 Sept 1970 - Optimum Filter MTF Program
Granularity Program
15 Oct 1970 - Simple MTF Program Raw Data
Plot on Plotter
15 Nov 1970 - MTF Output on Printer
7 Dec 1970 - MTF Output on Plotter
7 Mar 1971 - Two-Dimensional MTF
1 July 1971 - Contour Plot
3. Further ISAB activity with respect to the evaluation procedure
s dependent on division policy, and computer policy.
a. A recommendation to implement the entire procedure or only
portions is more within the purview of IEB responsibilities with
ISAB assumming the role of supporting IEB.
b. The ISAB recommends an operation analogous to the PI-PHD
relationship, i.e., the IER (PI) requests ISAB (PHD) to provide
certain data for certain purposes based on microdensity measurements.
The ISAB would be responsible for the hardware and software required
to do the job. The IEB would be required to state their requirements
and identify the targets to be measured. The computed data which
includes the statistical summary files and intermediate computations
if desired would be given to IEB for their analyses.
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SUBJECT: Evaluation Procedure for Original Negative Prepared by
c. Based on IE13 requirements, ISAB would then have to task
AID to program the necessary routines or consider having ISAB
personnel do the programming under Open Shop Fortran. The latter
alternative would require that AID provide the necessary drum file
apace. Approximately one manyear of ISAB effort would be required
to program and implement all available routines in the entire
procedure. A lesser number of routines would require less time
and effort.
d. The IEB and ISAB personnel would have to maintain a
coordinated effort of involvement and communication to ensure that
the right targets are measured in the right way, the right data
is generated for the right purpose, and most importantly that both
IEB and ISAB understand the computed data based on the collection,
computation and utilization procedures.
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Chief, Image & System Analysis Branch
APSD/TSSG/NPIC
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Distribution:
twig - Addressee
I - NPIC/TSSG/APSD/ISAB 920020
1 - NPIC/TSSG/APSD/IEB v
I - NPIC/TSSG/APSD/ISAB Chrono
NPIC/TSSG/APSD/ISAB
X20 Feb 70)
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