Computer Reconstruction Techniques in Compound Scan Pulse-Echo Imaging

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Abstract
Reconstruction techniques currently used for forming pulse-echo compound scan images are reviewed. A computer based system for acquiring and storing the pulse-echo data in video line-mode form, (i.e. the detected echo waveform and deflection co-ordinates for each transmitted pulse) is described in both its hardware and software aspects. The performance of peak detected, minimum detected, integrated and averaged reconstruction on point targets is illustrated and discussed. The properties of the various techniques in reconstructing clinical data obtained from the pregnant uterus, abdomen and breast are outlined and future clinical applications suggested.

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