intro.slides.printing.2

intro.slides.printing.2 - CS 450: Introduction to Digital...

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CS 450: Introduction to Digital Signal and Image Processing Introduction and Applications What are Signals? Signal: a function carrying information Examples: Audio Radio/Television Images
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Why Signals? Communications Modems/Networks/Wireless Audio Video Images Restoration/Cleanup Enhancement Storage/Retrieval/Searching Manipulation Why Digital? Perfect storage, transmission, reproduction Easier to manipulate Analog signals manipulated by circuits Digital signals manipulated by computer
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Why Now? Memory is cheap Disk storage is plentiful Processors are faster Bandwidth is increasing Applications Multimedia (just look at the web!) Interactive image editing tools Medical imaging Compression Document processing Image libraries (storage and retrieval)
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Kinds of Operations (What We’ll Cover) Level (brightness) operations Algebraic and logical operations Filtering Spatial
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This document was uploaded on 03/15/2012.

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intro.slides.printing.2 - CS 450: Introduction to Digital...

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