Bøger af International Symposium on Acoustical Imaging 18th 1989

Detection of Early Fatty Plaque Using Quantitative Ultrasound Methods.- Pattern Recognition on Human Skin Tissue.- Quantitative Imaging of Acoustical and Histological Properties of Excised Tissues.- A Fast Algorithm for Transkull Brain Imaging.- Detection of Root Caries.- Reflex Transmission Imaging: Visualization and Evaluation of Calculi for Lithotripsy.- Self Focusing with "Time Reversal" Acoustic Mirrors.- Acoustic Phase Conjugation using Nonlinear Electroacoustic Interaction and Its Application to Scanning Acoustic Imaging Systems.- An Echolocation and Imaging Using Transducers of Directionally Distinguishable Impulse Response.- An Ultrasonic Robot Eye Using Neural Networks.- Inverse Scattering and Diffraction Tomography Using Intensity Data.- Reconstruction of Two-Dimensional Refractive Index Distribution Using the Born Iterative and Distorted Born Iterative Methods.- Decision-Theoretic Treatment of Superresolution Based Upon Oversampling and Finite Support.- A Generalized Framework for Incoherent Pulse Echo Processing and Imaging: The Random Phase Transducer Approach.- Spatial Pulse Response Computing for Reflection - Time Domain Approach.- NDE of Delaminations During Processing of Carbon-Carbon Composites.- Ultrasonic Imaging and Finite Element Analysis of Adhesively Bonded Cylinders.- Applications of High Resolution Deconvolution Techniques to Ultrasonic NDE.- Characterization of Layered Structures by a Liquid Wedge Transducer and a Corner Reflector.- Non-Destructive Evaluation of Engineering Ceramics by High-Frequency Acoustic Techniques.- Acoustic Microscopy of Ceramic Bearing Balls.- Evaluation of Skin Biopsy Samples Using Acoustical Microscopy and Comparison with Conventional Pathological Studies and Light Microscopy.- Observation of Stable Crack Growth in AL2O3 - Ceramics by Acoustic Microscopy and Acoustic Emission.- Direct Measurements of the SAW Velocity and Attenuation Using Continuous Wave Reflection Scanning Acoustic Microscope (SAMCRUW).- Electronic Scanning in Acoustic Microscopy Using a Wedge Transducer.- Holographic Scanning Laser Acoustic Microscopy and Applications.- Acoustic Images Observed by Directional PFB Microscope.- Initial Phase Estimation and Tomographic Reconstruction for Multiple-Frequency Acoustic Microscopy.- Deconvolution of Exploration Seismic Data.- Tomographic Reconstruction for Imaging EOR Processes in Hydrocarbon Reservoirs.- Geophysical Diffraction Tomography.- Imaging of the Nonlinear Acoustic Parameter B/A.- Least Squares Estimation and Imaging Using Phase and Frequency Measurements of the Nonlinear Parameter B/A.- Ultrasonic Time-of-Flight Tomography for the Non-Intrusive Measurement of Flow Velocity Fields.- Comparison of Estimation Strategies for the Determination of Blood Velocity Using Ultrasound.- Application of a New Aliasing-Defeating Method to Pulsed-Doppler Flow Imaging Systems.- Estimation of Center Frequency and Variance of Ultrasonic Doppler Signal by Using Second-Order Autoregressive Model.- An Optimization Method for Acoustic Impedance Estimation of Layered Structures Using Prior Knowledge.- The Feasibility of Real-Time 3D-Acoustical Imaging.- A Comparison of Broadband Holographic and Tomographie Imaging Concepts.- An Experimental Study of Diffraction Tomography under the Born Approximation.- Initial Testing of a Clinical Ultrasound Mammograph.- Modified Fresnel Approximation and Acoustical Holography.- Improvements of the Multilayer Holo-Acoustic Tomography by Iterative and Algebraic Techniques.- Development of an Underwater Frontal Imaging Sonar, Concept of 3-D Imaging System.- Signal Processing in the 1988 Monterey Bay Acoustic Tomography Experiment.- Results from an Experimental Synthetic Aperture Sonar.- High Resolution Wigner Distribution for Sonar Applications.- An Imaging Operator for a High Speed Holographic Sonar which Uses an Incompletely Orthogonalized Wavefront.- Three-Dimensional Display Technique for Fish-Finder with Fan-Shaped Multiple Beams.- Tu...