public List <RobustnessTestResult> Test(string imagePath, string text, IEncoder encoder)
{
var results = new List <RobustnessTestResult>();
var emptyContainer = LoadImage(imagePath);
var fullContainer = encoder.Encode(text, emptyContainer);
var untransformedContainerErrorRate = errorEstimator.EstimateBitErrorRate(text, fullContainer, encoder);
for (var angle = 0; angle <= 0; angle++)
{
for (var scale = 1.0f; scale >= 1f; scale -= 0.1f)
{
for (var cropPercent = 0; cropPercent <= 20; cropPercent += 4)
{
var parameters = new ProcessingParameters()
{
RotationAngle = angle,
ScaleX = scale,
ScaleY = scale,
CropPercentX = cropPercent,
CropPercentY = cropPercent
};
var result = RunSingleTest(imagePath, fullContainer, text, encoder, parameters);
result.ErrorRate = untransformedContainerErrorRate;
results.Add(result);
}
}
}
return(results);
}
private Task <double> CalculatePerr(string text, Bitmap emptyContainer, int delta, double alpha)
{
return(Task.Factory.StartNew(() =>
{
var kutter = new KutterEncoder(delta, alpha);
var fullContainer = kutter.Encode(text, emptyContainer);
var estimator = new HammingDistanceCalculator();
return estimator.EstimateBitErrorRate(text, fullContainer, kutter);
}));
}
