Confocal coded aperture imaging
A method for imaging a target volume comprises the steps of: radiating a small bandwidth of energy toward the target volume; focusing the small bandwidth of energy into a beam; moving the target volume through a plurality of positions within the focused beam; collecting a beam of energy scattered from the target volume with a non-diffractive confocal coded aperture; generating a shadow image of said aperture from every point source of radiation in the target volume; and, reconstructing the shadow image into a 3-dimensional image of the every point source by mathematically correlating the shadow image with a digital or analog version of the coded aperture. The method can comprise the step of collecting the beam of energy scattered from the target volume with a Fresnel zone plate.
- Research Organization:
- LOCKHEED MARTIN ENERGY RES COR
- DOE Contract Number:
- AC05-96OR22464
- Assignee:
- UT-Battelle, LLC (Oak Ridge, TN)
- Patent Number(s):
- US 6195412
- OSTI ID:
- 873583
- Country of Publication:
- United States
- Language:
- English
Three-dimensional information from real-time encoded images
|
journal | January 1990 |
Design and fabrication of Fresnel zone plates with large numbers of zones
|
journal | November 1997 |
Coded aperture imaging with uniformly redundant arrays
|
journal | January 1978 |
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