I. I. Rappels-des-principes-de-la-mécanique-des-milieux-continus and .. , 56 II.II.1. Propagation d'ondes en milieux élastiques56 II.II.1.a. Tenseur de contraintes, p.62

I. Iii-simuler and .. , 68 II.III.1. Onde de cisaillement longitudinale69 II.III.2. Propriétés mécaniques des tissus biologiques, p.78

I. I. Simulation-numérique and .. , 79 II.IV.1. Plan de simulations79 II.IV.2. Principe des simulations par éléments finis, Comparaison, p.89

I. I. État-de-l-'art and .. , 114 III.II.1. Signal rétrodiffusé: les origines du speckle114 III.II.2. Modélisation du signal rétrodiffusé116 III.II.3. Broadband ultrasound attenuation (BUA), 121 III.II.6. Scattering power index (SPI)122 III.II.8. Mean scatterer spacing122 III.II.9. Spectral variance (SV), p.124

I. I. Étude-sur-le-fantôme and .. , 130 III.IV.2. Étude in vivo, p.133

I. V. Méthodologie and .. , 137 III.V.2. Analyse des signaux139 III.V.2.a. Mesure de l'atténuation, .147 III.V.2.f. Construction du modèle statistique d'homogénéité, p.149

I. V. Mesure-de-la-distance-peau-capsule-hépatique and .. , 154 III.VI.1. Caractéristiques biologiques des tissus154 III.VI.2. Segmentation des tissus sur signaux rétro-diffusés, Conclusion, p.167

I. Iii-applications-sur-fantôme and .. , 188 IV.III.3.b. Calcul du champ de corrélation Application sur données simulées, IV.III. IV.III.5. Conclusion, vol.4, p.210, 0199.

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