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An extension of Geman and Reynolds' approach to constrained restoration and the recovery of discontinuities

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2 Author(s)
Hurn, M. ; Sch. of Math. Sci., Bath Univ., UK ; Jennison, C.

Geman and Reynolds (ibid., vol.14, 1992) present an approach to linear image restoration which provides for recovery of horizontal and vertical gray-level discontinuities from blurred and noisy observations. We extend their model and parameter selection method to include diagonal discontinuities. A hazard of this modeling approach is identified and addressed. We also comment on the truncated Gibbs sampler suggested in the paper

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:18 ,  Issue: 6 )