Massively parallel image restoration with preservation of sharp

Details Massively parallel image restoration with preservation of sharp Massively parallel image restoration with preservation of sharp

1995-06-07

1997-07-08

Mancuso, Joseph

Image analysis

Image enhancement or restoration

Artifact removal or suppression

382266, 382305, G06K 940

Patent

active

056470282

ABSTRACT:
An image restoration apparatus for reconstructing an actual image from a measurement field image containing noise, the apparatus including means for storing image data for a restoration field; means for storing the measurement field image; means for solving a dynamical system equation for the image data, wherein the dynamical system equation is based on an energy function for a system made up of a restoration field variable and the measurement field image, wherein the energy function contains a surround term E.sub.s which represents local interactions within the restoration field, and wherein the local interactions are characterized by sigmoid-like functions.

REFERENCES:
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patent: 4761819 (1988-08-01), Denison et al.
patent: 5047968 (1991-09-01), Carrington et al.
Andrews, Digital Image Restoration : A Survey, Computer, May 1974, pp. 36-45.
Geman, Stuart et al., "Stochastic Relaxation, Gibbs Distributions, and the Bayesian Restoration of Images", IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. PAMI-6, Nov. 1984, pp. 721-741.
Harris, John G. et al., "Analog Hardware for Detecting Discontinuities in Early Vision", International Journal of Computer Vision, vol. 4, 1990, pp. 211-223.
Liu, Shih-Chii et al., "Generalized Smoothing Networks in Early Vision", IEEE, 1989, pp. 184-191.

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