Modulated image photography
Abstract
Abstract AN OPTICAL SYSTEM IS DESCRIBED FOR CONSTRUCTING AN IMAGE OF A SCENE FROM A PHASE RECORD OF THE SCENE MODULATED WITH A SPATIALLY-DISTRIBUTED PERIODIC CARRIER IN WHICH A DIFFRACTION PATTERN IS ERECTED IN FOURIER TRANSFORM SPACE, AND SPATIALLY FILTERED TO CONSTRUCT THE IMAGE. A PHASE RECORD COMPRISED OF SEVERAL IMAGES OVERLAPPING AS "MULTIPLE EXPOSURES" IN THE SAME STORAGE MEDIUM, EACH MODULATED WITH A PERIODIC CARRIER EXTENDING THROUGHOUT THE IMAGE BUT HAVING A CHARACTERISTIC BY WHICH AT LEAST ONE OF ITS DIFFRACTION ORDERS CONVOLVED WITH A SPECTRUM OF THE IMAGE IS SPATIALLY SEPARABLE FROM DIFFRACTION ORDERS OF THE OTHER PERIODIC CARRIER MODULATIONS IN TRANSFORM SPACE IS DESCRIBED. THE SEVERAL IMAGES CAN REPRESENT DIFFERENT SCENES; OR THEY CAN BE REGISTERED IMAGES OF A SINGLE COLORED SCENE, IN WHICH CASE THEIR RESPECTIVE CARRIERS REPRESENT SPECTRAL ZONES.
Inventors
- 👤 Peter F Mueller
Bibliographic Details
Claims Analysis
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