01124naa a2200193 a 450000100080000000500110000800800410001910000260006024501650008626000090025130000160026052003340027665300190061065300340062970000210066370000180068470000200070277302080072210288372009-07-31       1995    bl ---       0--  u    #d1 aMASCARENHAS, N. D. A.  aMap estimation methods for the tomographic reconstruction in Soil Science using "A priori" densities defined on the non-negative real linebPreliminary results.  c1995  ap. 291-292.  aMaximum a Posteriori estimation methods with na priori" densities defined on the non-negative realline are used to reconstruct iinages with a minitomograph scanner for soil science. Preliminary results using real phantoms indicate that it is possible to obtain improved results as compared to conventional backprojection methods.  aMinitomografia  aReconstrução por tomografia1 aSANTOS, S. S. L.1 aSANTOS, C. N.1 aCRUVINEL, P. E.  tIn: SIMPOSIO BRASILEIRO DE COMPUTACAO GRAFICA E PROCESSAMENTO DE IMAGENS - SIBGRAPI 95, 8., out. 1995, Sao Carlos, SP. Anais do VIII SIBGRAPI. Sao Carlos: Sociedade Brasileira de Computacao/UFSCar, 1995.