intro.slides.printing

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

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CS 450: Introduction to Digital Signal and Image Processing Introduction and Applications
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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
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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
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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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intro.slides.printing - CS 450: Introduction to Digital...

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