Quantization An applet that showcases quantization starting from a function
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constraint function

Quantization Description

The concepts of signal and image processing create so many difficult but important problems for practitioners and users because of the issues that arise when moving from the continuous domain of the real world where there is an "infinite" amount of information to the discrete domain of the computer where there is only a finite amount of data. When moving from the continuous realm to the discrete realm of the computer, in addition to sampling only at a finite number of spatial locations as demonstrated in the Introduction applet, computers "quantize" values reducing them to a (small) finite set. This applet demonstrates quantization by having students draw a "continuous" function and then quantize it, showing the quantities version as well as a graph of the error from the quantization process. Get the Quantization Java applet and give it a try to see what it can actually do for you!

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