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Ioannis Pitas (AUTH)
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This lecture overviews Signals and Systems. 1D signals, 2D signals (images), 3D signals (videos, medical volumes) are presented. Multichannel signals come next. Special signals, e.g., Proteomic sequences, DNA sequences, text sequences are overviewed. Graph signals are presented. Signal processing and signal analysis are defined and their differences from other related disciplines are explained.
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