Random matrix theory applied to acoustic backscattering and ...

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Imaging of diffusive mediaExperimental resultsfrequency range [2.5 ; 3.5] MHz(Coll. LIP)Density Image - ρ/ρ maxWA. Aubry and A. Derode, Phys. Rev. E. 75, 026602, 2007- Appl. Phys. Lett. 92, 124101, 2008
Imaging of diffusive mediaExperimental results(Coll. LIP)The highest values of D correspond to the areas where the bone is less dense, hencethe weaker scatteringImage obtained with local measurements of D shows more contrast than the imageprovided by density meaurementsA. Aubry and A. Derode, Phys. Rev. E. 75, 026602, 2007- Appl. Phys. Lett. 92, 124101, 2008
Page 1 and 2: Random matrix theoryapplied to acou
Page 3 and 4: IntroductionMatrix K in « simple
Page 6 and 7: Propagation matrixin random media6
Page 8 and 9: Propagation matrix in random mediaS
Page 10 and 11: Propagation matrix in random mediaD
Page 12 and 13: Propagation matrix in random mediaS
Page 14 and 15: Detection and imaging in a random m
Page 16 and 17: Detection and imaging in a random m
Page 18 and 19: Multiple scatteringin weakly scatte
Page 20 and 21: Multiple scattering in weakly scatt
Page 22 and 23: Multiple scattering in weakly scatt
Page 24 and 25: Imaging of diffusive mediaLocal mea
Page 26 and 27: Imaging of diffusive mediaBuilding
Page 30 and 31: Conclusion & perspectives30
Page 32: Thank youfor your attention!Worksho

Random matrix theory applied to acoustic backscattering and ...

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