Title : 
Markovian modeling for Bayesian multi-channel deconvolution
         
        
            Author : 
Idier, J. ; Goussard, Y.
         
        
            Author_Institution : 
Ecole Superieure d´´Electr., Gif-sur-Yvette, France
         
        
        
        
        
            Abstract : 
Two dimensional (2D) Bayesian restoration of layered media and its application to seismic deconvolution are addressed. The Bernoulli-Gaussian (B-G) approach is suboptimal in a 2D setting, since it does not account for spatial continuity. To compensate for this deficiency, a class of Markov random fields which suitably extends 1D Bernoulli processes to two dimensions is built. It provides a manageable model for 2D stratified structures. A maximum a posteriori detection-estimation algorithm is proposed. Compared to standard B-G algorithms, it performs much better, without an increase in computational load
         
        
            Keywords : 
Bayes methods; Markov processes; random processes; signal processing; 2D Bayesian multichannel restoration; 2D stratified structures; Markov-Bernoulli random fields; posteriori detection-estimation algorithm; seismic deconvolution; signal processing; Acoustic signal detection; Bayesian methods; Deconvolution; Image restoration; Markov random fields; Nonhomogeneous media; Random variables; Reflectivity; Signal restoration; Uninterruptible power systems;
         
        
        
        
            Conference_Titel : 
Acoustics, Speech, and Signal Processing, 1990. ICASSP-90., 1990 International Conference on
         
        
            Conference_Location : 
Albuquerque, NM
         
        
        
        
            DOI : 
10.1109/ICASSP.1990.115909