Holographic image restoration using fourier spectrum analysis of blurred photographs in computer-aided synthesis of wiener filters
Abstract
Optical Fourier-transform spectrum analysis of blurred photographs permits construction of holographic deconvolution filters, using digital compuration for rotating-mask photo-mechanical implementation of noise-suppressing amplitude components and holography for the phase components.
- Publication:
-
Physics Letters A
- Pub Date:
- April 1975
- DOI:
- 10.1016/0375-9601(75)90739-2
- Bibcode:
- 1975PhLA...51..383S
- Keywords:
-
- Computer Techniques;
- Fourier Transformation;
- Holography;
- Image Enhancement;
- Signal Processing;
- Wiener Filtering;
- Blurring;
- Digital Techniques;
- Noise Reduction;
- Optical Data Processing;
- Photographic Processing;
- Spectrum Analysis;
- Instrumentation and Photography