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Results tagged with signal-processing
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user 44587
Digital signal processing of sound, video or other single or multidimensional data
3
votes
1
answer
225
views
SAX implementation in Wolfram Mathematica
I have to deal with time series to find some patterns there. The method selected is SAX (based on PAA).
There's a built-in function to convert a numeric times series into a series of letters with a s …
- 173
4
votes
Accepted
SAX implementation in Wolfram Mathematica
Well, I managed it by myself.
...
normalized = Standardize[data];
size = 100;
quantile = N[1/26];
quantiles = Table[Quantile[normalized, i], {i, 0, 1, quantile}];
paa = TimeSeriesAggregate[normalized …
- 173