Frames of two-dimensional (2-D) signals arising from frames of signals in one dimension are proposed. Such 2-D frames are obtained by computing the cross ambiguity function between frame elements in ...

Today the most promising innovation and business opportunities require collaboration among functions, offices, and organizations. To realize them, companies must break down silos and get people ...

Ultrasound (US) is widely used as a low-cost alternative to computed tomography or magnetic resonance and primarily for preliminary imaging. Since speckle intensity in US images is inherently ...