Acoustical Imaging

Arrays.- Real-Time Constant Depth Scanning with Phased Arrays.- Ultrafast Acoustical Imaging with Surface Acoustic Wave Components.- Ultrasound Simulator.- Dynamic Focusing and Compound Scanning in Linear Array of Transducers.- A Phased Array Acoustic Imaging System for Medical Use.- Methods.- Origin of Anomalous Behavior in Transducers Used in Acoustical Imaging.- A Statistical Estimation Approach to Medical Image Reconstruction from Ultrasonic Array Data.- A Computer Model for Speckle in Ultrasound Images Theory and Application.- Coherence and Noise in Ultrasonic Transmission Imaging.- Contour Plotting by a Sonic Phase Lock Loop.- Pseudo Holographic Acoustical Imaging with a Liquid Crystal Convertor.- Computerized Reconstruction of Ultrasonic Fields by Means of Electrostatic Transducer Array.- New Processing Techniques in Ultrasound Imaging Systems.- Measurements and Analysis of Speckle in Ultrasound B-Scans.- Calibration of Imaging Systems by Means of Spherical Targets.- Analysis of Vibrating Surfaces Using Acoustic Holography.- Tissue Characterization.- Role Played by Cellular Cohesion and Organization in the Interaction of Ultrasound with Soft Tissues.- Improvements of Impediograms Accuracy.- Theoretical Basis of an Ultrasonic Investigation Method of Stratified Absorbing Media.- An Analysis of the Parameters Affecting Texture in a B-Mode Ultrasonogram.- The Characteristic Echostructures of the Different Components of Mammary Tissue.- Ultrasonic Blood Characterization.- Algorithm for On Line Deconvolution of Echographic Signals.- Computer Tomography.- Tomographic Reconstruction of B-Scan Images.- Tomography from Multiview Ultrasonic Diffraction Data: Comparison with Image Reconstruction from Projections.- Nonlinear Image Reconstruction from Ultrasonic Time-of-Flight Projections.- Computerized Ultrasonic Tomography by Electronic Scanning and Steering of a Ring Array.- Experimental Results of Computerized Ultrasound Echo Tomography.- Difraction Effects and Image Formation.- Bounded Pulse Propagation.- Theoretical Study of Pulsed Echographic Focusing Procedures.- Matched Gaussian Apodization of Pulsed Acoustic Phased Arrays.- Application of Time-Space Impulise Responses to Calculations of Acoustic Fields in Imaging Systems.- Acoustic Imaging by Wave Field Extrapolation Part I: Theoretical Considerations.- Acoustic Imaging by Wave Field Extrapolation Part II: Practical Aspects.- A Fast Ultrasonic Imaging System for Measuring Unsteady Velocity Fields in Air.- Methods for Efficient Computation of the Image Field of Holographic Lenses for Sound Waves.- Image Quality and Diffraction Efficiency of a Holographic Lens for Sound Waves.- Underwater Imaging and Non-Destructive Evaluation.- An Underwater Focused Acoustic Imaging System.- Acoustical Imaging Via Coherent Reception of Spatially Coloured Transmission.- Flaw Detection and Imaging by High-Resolution Synthetic Pulse Holography.- A Three-Dimensional Synthetic Focus System.- A Real-Time Synthetic Aperature Digital Acoustic Imaging System.- Transducers.- Effect of the Photoconductive Layer on the Resolution of Opto-Acoustic Transducers.- Investigation of a Liquid Crystal Acousto-Optic Conversion Cell.- Performance of Ultrasound Transducer and Material Constants of Piezoelectric Ceramics.- Analog Electrical Simulation of the Transient Behaviour of Piezoelectric Transducers.- Optimization Criterions for the Piezoelectric Transducers used in Acoustical Imaging.- Comparison of Different Piezoelectric Transducer Materials for Optically Scanned Acoustic Imaging.- Acoustical Microscopy.- Dark Field Acoustic Microscope.- Acoustic Microscopy in Non-Destructive Testing.- Imaging Interior Planes by Acoustic Microscopy.- Imaging Techniques for Acoustic Microscopy of Microelectronic Circuits.- List of Participants.