private static ISingleEyeGazeDataSmoothingFilter ResolveSmoothingFilter(INoiseReductionOptions options)
{
switch (options.NoiseReductionStrategy)
{
case NoiseReductionStrategy.Exponential:
var exponentialOptions = options as IExponentialSmoothingOptions;
return(exponentialOptions != null
? new ExponentialSmoothingFilter(exponentialOptions.Alpha)
: new ExponentialSmoothingFilter());
case NoiseReductionStrategy.MovingAverage:
var movingAverageOptions = options as IMovingAverageSmoothingOptions;
return(movingAverageOptions != null
? new MovingAverageSmoothingFilter(movingAverageOptions.WindowSize)
: new MovingAverageSmoothingFilter());
case NoiseReductionStrategy.Median:
default:
throw new NotImplementedException();
}
}
public static IObservable <SingleEyeGazeData> ReduceNoise(this IObservable <SingleEyeGazeData> gazeData, INoiseReductionOptions options)
{
return(ReduceNoise(gazeData, ResolveSmoothingFilter(options)));
}
