//FUNCTIONS
/**
* Runs all the benchmarking tests.
*
* @param original The original image to compare against.
* @param stego The stego image to test.
* @return All the results as text.
* @throws IllegalArgumentException If the stego image is null.
* @throws Exception If it has problems reading the images.
*/
public string Run(Bitmap original, Bitmap stego)
{
if (original == null)
throw new ArgumentNullException(nameof(original));
if (stego == null)
throw new ArgumentNullException(nameof(stego));
//setup temp variables
Analysis bench;
mResultsString = "Results of benchmark tests\n"
+ "==========================\n\n";
//run all the tests...
if (mRunAverageAbsoluteDifference)
{
bench = new AverageAbsoluteDifference();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunMeanSquaredError)
{
bench = new MeanSquaredError();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunLpNorm)
{
bench = new LpNorm();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunLaplacianMeanSquaredError)
{
bench = new LaplacianMeanSquaredError();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunSignalToNoiseRatio)
{
bench = new SignalToNoiseRatio();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunPeakSignalToNoiseRatio)
{
bench = new PeakSignalToNoiseRatio();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunNormalisedCrossCorrelation)
{
bench = new NormalizedCrossCorrelation();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunCorrelationQuality)
{
bench = new CorrelationQuality();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
return mResultsString;
}
//FUNCTIONS
/**
* Runs all the benchmarking tests.
*
* @param original The original image to compare against.
* @param stego The stego image to test.
* @return All the results as text.
* @throws IllegalArgumentException If the stego image is null.
* @throws Exception If it has problems reading the images.
*/
public string Run(Bitmap original, Bitmap stego)
{
if (original == null)
{
throw new ArgumentNullException(nameof(original));
}
if (stego == null)
{
throw new ArgumentNullException(nameof(stego));
}
//setup temp variables
Analysis bench;
mResultsString = "Results of benchmark tests\n"
+ "==========================\n\n";
//run all the tests...
if (mRunAverageAbsoluteDifference)
{
bench = new AverageAbsoluteDifference();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunMeanSquaredError)
{
bench = new MeanSquaredError();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunLpNorm)
{
bench = new LpNorm();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunLaplacianMeanSquaredError)
{
bench = new LaplacianMeanSquaredError();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunSignalToNoiseRatio)
{
bench = new SignalToNoiseRatio();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunPeakSignalToNoiseRatio)
{
bench = new PeakSignalToNoiseRatio();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunNormalisedCrossCorrelation)
{
bench = new NormalizedCrossCorrelation();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
if (mRunCorrelationQuality)
{
bench = new CorrelationQuality();
mResultsString = mResultsString
+ bench
+ ": "
+ bench.Calculate(original, stego)
+ "\n";
}
return(mResultsString);
}
