Real time imaging of infrared scene data generated by the Naval Postgraduate School Infrared Search and Target Designation System (NPS-ITSTD)
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Author
Baca, Michael James
Advisor
Cooper, Alfred W.
Second Reader
Cleary, David D.
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Show full item recordAbstract
A system to display images generated by the Naval Postgraduate
School Infrared Search and Target Designation System (a modified
AN/SAR-8 Advanced Development Model) in near real time was
developed using a 33MHz NIC computer as the central controller.
This computer was enhanced with a Data Translation DT2861 Frame
Grabber for image processing and an interface board designed and
constructed at NPS to provide synchronization between the IRSTD and
Frame Grabber. Images are displayed in false color in a video
raster format on a 512 by 480 pixel resolution monitor.
Using FORTRAN, programs h ave been written to acquire,
unscramble, expand and display a 3 degrees sector of data. The time line
for acquisition, processing and display has been analyzed and
repetition periods of less than four seconds for successive screen
displays have been achieved. This represents a marked improvement
over previous methods necessitating slower Direct Memory Access
transfers of data into the Frame Grabber.
Recommendations are made for further improvements to enhance
the speed and utility of images produced.
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