Candlestick Momentum
Candlestick Momentum = Price - Price N Periods Ago
Candlestick Index
CSI =100 * EMA(EMA(EMA( Candlestick Momentum (period) ))) / EMA(EMA(EMA( HH-LL))))
True Strength Index
CSI =100 * EMA(EMA(EMA( Candlestick Momentum (period) ))) / EMA(EMA(EMA( ABS(Candlestick Momentum (period))))))
Directional Trend Index
Trend Momentum
A complete description can be found here.
http://www.mql5.com/en/articles/190#Blau