Two image-coding capabilities associated with far-field holograms are analytically and experimentally evaluated. It is demonstrated that preprocessed information concerning the shape of a small object can be efficiently coded into the fringe structure associated with a far-field hologram. In addition, the resultant record has a smaller bandwidth than the original object, and this reduces the resolution requirements when the hologram is used as the input to an information processing system.
© 1978 Optical Society of America
Glenn A. Tyler, "Image coding with far-field holograms," Appl. Opt. 17, 2768-2772 (1978)