Gesture Signal Processing: Difference between revisions
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== Gesture Signal Processing == | == Gesture Signal Processing == | ||
=== Interpolation === | |||
=== Filtering === | |||
While studying sensors, we discovered that often a particular sensor will measure the position '''x''', velocity, or acceleration of an object. However, | |||
Simple integrator: | Simple integrator: | ||
<pre> | |||
y[n] = 0.1*x[n] + 0.9*y[n-1] | |||
</pre> | |||
example of lp filter | |||
Simple differentiator: | |||
<pre> | |||
y[n] = x[n] - x[n-1] | |||
</pre> | |||
example of hp filter | |||
[http://ccrma.stanford.edu/~jos/filters/ book on simple filter design] | [http://ccrma.stanford.edu/~jos/filters/ book on simple filter design] | ||
=== Thresholding === | |||
Revision as of 23:41, 10 October 2008
Gesture Signal Processing
Interpolation
Filtering
While studying sensors, we discovered that often a particular sensor will measure the position x, velocity, or acceleration of an object. However,
Simple integrator:
y[n] = 0.1*x[n] + 0.9*y[n-1]
example of lp filter
Simple differentiator:
y[n] = x[n] - x[n-1]
example of hp filter