Optical Power Spectrum Analysis (OPSA). Report no. 1. Recording Optical Spectrum Analyzer System Hardware,
Abstract
The optical spectrum analyzer hardware used in pattern recognition research at the Research Institute, US Army Engineer Topographic Laboratories, is discussed in detail. This system involves detection of signals by a segmented spatial frequency plane detector in a coherent optical system when selected portions of an aerial image are illuminated. These signals are then electronically processed and formatted for digital computer processing with pattern recognition software. It is anticipated that the system will lead to applications for automated information extraction from aerial imagery which include cloud screening, extraction of selected planimetric information, image quality analysis, and techniques for automated selection of image preprocessing requirements.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1975
- Accession Number
- ADA016131
Entities
People
- Robert D. Leighty
Organizations
- Geospatial Research Laboratory