Corrected values tend to be good filters, but they should not be mixed with the filters we are using. The values for the "corrected" method are different from "filtered" values.
For additional help, there is a choice of possible ways how the "trend" is found out:
Also you can control if the "correction" is needed at all (by adjusting the "correction" period) when you can get the original MACD value displayed.

With some experimenting a nice filter can be achieved and this way a probable new life to a good old macd can be added.
Corr RSI
Corr RSI - "step" or "corrected" RSI.
Corr average
Average using dr. Andreas Uhl's "correction method.