Zech et al., 1977 - Google Patents
Micro-reduction and Enlargement of Graphic Information Study, MEGISZech et al., 1977
- Document ID
- 2451739809152244611
- Author
- Zech R
- Ralston L
- Reddersen B
- Roberts H
- Publication year
- Publication venue
- Final Technical Report
External Links
Snippet
The microreduction and enlargement of high-resolution graphic data such as map separations was investigated. Original graphics were photoreduced to 70 mm film transparencies and stored as 20 x 20 mm phase-randomized Fourier-transform holograms …
- 238000001093 holography 0 abstract description 3
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06F—ELECTRICAL DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06F—ELECTRICAL DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/20—Handling natural language data
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