1 Methods in Image Analysis – Lecture 3 Fourier CMU Robotics Institute 16-725 U. Pitt...

download 1 Methods in Image Analysis – Lecture 3 Fourier CMU Robotics Institute 16-725 U. Pitt Bioengineering 2630 Spring Term, 2004 George Stetten, M.D., Ph.D.

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3 Phase vs. Frequency Phase,, is angle, usually represented in radians. (circumference of unit circle) Frequency,, is the rate of change for phase. In a discrete system, the sampling frequency,, is the amount of phase-change per sample.