Fathy F. Yassa

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The increasing number of cardiac interventional procedures has resulted in a tremendous increase in the absorbed X-ray dose by radiologists as well as patients. A new method is presented for X-ray dose reduction which utilizes adaptive tube pulse-rate scheduling in pulsed fluoroscopic systems. In current pulsed systems, the X-ray tube is pulsed at a fixed(More)
This paper describes a programmable motion estimation processor applying a block matching technique on large search windows, Developed in the context of an MPEG-2 video encoder, its use can be extended to any application where fast motion estimation is required. Its high performance (17 Gops peak) and its ability to work in parallel make it ideal for real(More)
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