Super resolution imaging system

Details Super resolution imaging system Super resolution imaging system

1985-04-30

1987-12-29

Tubbesing, T. H.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

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367 7, 356 45, G01S 1389

Patent

active

047164140

ABSTRACT:
A super resolution imaging system employing coherent radiation comprises transmitting, receiving and processing means to provide complex amplitude image data. The image data is processed by a weight function generator to provide a weight function. The weight function has values at individual image pixels consisting of a background or clutter intensity term added to a pixel intensity dependent term. The latter term is non-zero for pixel intensities exceeding a threshold level well above background. A computer generates singular functions from the weight function and system impulse response, and employs the singular functions to decompose the image data and subsequent object reconstruction. This provides enhanced resolution compared to that available from the image data alone. An iteration controller employs the reconstructed object data to iterate resolution enhancement until no significant improvement is obtained.

REFERENCES:
patent: 3953822 (1976-04-01), Vilkomerson
Nakayama et al., "Imaging by Means of Multifrequency Hologram Matrix", Electronics and Communications in Japan, vol. 62-B, No. 12, 1979.

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