QC 351 A7 no. 50 / The results of the first complete tests of the Optical Sciences Center
digital image processing facility are reported. The instrumentation for digitizing film transparencies is operating well enough to provide suitable in-
puts to the computer program IMPR(C, which processes (restores) the degraded
image. Some manual correction of the digital data is required (mainly for
missing digits) before IMPROC can be used. Although IMPROC will be expanded
and modified during future research efforts, the debugging of its present
form is essentially completed. First attempts at restoration of a defocused
image show contrast enhancement and edge sharpening. Current techniques for
displaying the processed images, however, are slow and have a limited gray
scale. The best technique to date, which uses the computer's plotter to produce nine distinguishable gray levels, requires 1 hour to produce a 100 x100
matrix of points. A CRT film display device, driven by a digital computer,
is being developed to solve this problem. Current and future research efforts
are described.
| Identifer | oai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/621644 |
| Date | 01 February 1970 |
| Creators | Baker, L. Ralph, Burke, James J., Frieden, B. Roy |
| Publisher | Optical Sciences Center, University of Arizona (Tucson, Arizona) |
| Source Sets | University of Arizona |
| Language | en_US |
| Detected Language | English |
| Type | Technical Report |
| Rights | Copyright © Arizona Board of Regents |
| Relation | Optical Sciences Technical Report 50 |
Page generated in 0.0013 seconds