Progress in Medical Imaging

1 Automated Image Processing for Cells and Tissue.- Methodology.- Results.- Conclusions.- 2 Manipulation of 3D Imagery.- Discrete 3D Scenes and Their Representations.- Display.- Manipulation.- Discussion.- 3 Scattered Radiation in Chest Radiography.- Scatter Levels in Chest Radiography and Their Effects.- Methods for Removing Scattered Radiation.- Scanning Slits, Slots, and Apertures.- Comparison of Scatter-Rejection Methods.- 4 Positron-Emission Tomography.- Design Considerations.- High-Resolution Systems.- Time-of-Flight-Systems.- Discussion.- 5 Introduction to Ultrasonic Pseudo-Random Code Systems.- Objectives and Scope.- Noise Correlation A-Scan Imaging.- Noise Correlation Doppler.- Advantages of Pseudo-Random Codes.- Characterization of Systems and Time-Changing Media.- Simultaneous Multimode Operation.- 6 Pseudo-Random Correlation Imaging and System Characterization.- Correlation Function in Imaging.- Noise Correlation Systems.- Pseudo-Random Code Correlation System.- Golay Code Correlation System.- System Characterization.- 7 Pseudo-Random Correlation Flow Measurement.- The Ambiguity Function and Its Relation to the Doppler Measurement.- Applications to Various Velocimeters.- 8 Pseudo-Random Characterization of Time-Varying Media.- Modeling the Medium.- Measurement of the Medium Parameters.- Choice of Transmitted Signal.- Experimental Results.- Comparison Between Sampling and Interambiguity Techniques.- 9 Pseudo-Random Multimode Operation.- Basic System.- Potential Applications.- Experimental Results.- Comparison with Conventional Systems.- Choice of Optimum Transmitted Signal.