public Bitmap ToAdditiveNoise(Bitmap Im)
{
AForge.Imaging.Filters.AdditiveNoise Img = new AdditiveNoise();
Bitmap bmImage = AForge.Imaging.Image.Clone(new Bitmap(Im), PixelFormat.Format24bppRgb);
return(Img.Apply(bmImage));
}
public mNoiseAdditive(wDomain GeneratorDomain)
{
Domain = GeneratorDomain;
BitmapType = mFilter.BitmapTypes.Rgb24bpp;
filter = new AdditiveNoise();
}
/// <summary>
/// 增加噪点
/// </summary>
/// <param name="bmp">原位图</param>
public static void AddictiveNoise(Bitmap bmp)
{
// create random generator
IRandomNumberGenerator generator = new UniformGenerator(new Range(-50, 50));
// create filter
AdditiveNoise filter = new AdditiveNoise(generator);
// apply the filter
filter.ApplyInPlace(bmp);
}
public static Bitmap AddNoiseToImage(Bitmap input)
{
// create random generator
IRandomNumberGenerator generator = new UniformGenerator(new Range(-50, 50));
// create filter
AdditiveNoise filter = new AdditiveNoise(generator);
// apply the filter
return(filter.Apply(input));
}
//cause gaussian noise spikes
private static Bitmap Speckle(Bitmap image)
{
IRandomNumberGenerator generator = new GaussianGenerator(0f, 5f);
// create filter
AdditiveNoise filter = new AdditiveNoise(generator);
// apply the filter
return(filter.Apply(image));
}
public static byte[] ApplyFilter(byte[] imageBytes, ImageProcessingFilters filter, ImageFormat format = null)
{
IFilter baseFilter = null;
switch (filter)
{
case ImageProcessingFilters.Default:
return(imageBytes);
case ImageProcessingFilters.GrayscaleBT709:
baseFilter = new GrayscaleBT709();
break;
case ImageProcessingFilters.GrayscaleRMY:
baseFilter = new GrayscaleRMY();
break;
case ImageProcessingFilters.GrayscaleY:
baseFilter = new GrayscaleY();
break;
case ImageProcessingFilters.BayerFilter:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new ExtractChannel(RGB.B));
((FiltersSequence)baseFilter).Add(new BayerFilter());
break;
/*
* case ImageProcessingFilters.ImageWarp:
* baseFilter = new ImageWarp(
* break;
* */
case ImageProcessingFilters.Channel_Red:
baseFilter = new ExtractChannel(RGB.R);
break;
case ImageProcessingFilters.Channel_Green:
baseFilter = new ExtractChannel(RGB.G);
break;
case ImageProcessingFilters.Channel_Blue:
baseFilter = new ExtractChannel(RGB.B);
break;
case ImageProcessingFilters.WaterWave:
baseFilter = new WaterWave();
((WaterWave)baseFilter).HorizontalWavesCount = 10;
((WaterWave)baseFilter).HorizontalWavesAmplitude = 5;
((WaterWave)baseFilter).VerticalWavesCount = 3;
((WaterWave)baseFilter).VerticalWavesAmplitude = 15;
break;
case ImageProcessingFilters.Sepia:
baseFilter = new Sepia();
break;
case ImageProcessingFilters.BrightnessCorrection:
baseFilter = new BrightnessCorrection(-50);
break;
case ImageProcessingFilters.ContrastCorrection:
baseFilter = new ContrastCorrection(15);
break;
case ImageProcessingFilters.SaturationCorrection1:
baseFilter = new SaturationCorrection(-0.5f);
break;
case ImageProcessingFilters.SaturationCorrection2:
baseFilter = new SaturationCorrection(-.25f);
break;
case ImageProcessingFilters.SaturationCorrection3:
baseFilter = new SaturationCorrection(+0.5f);
break;
case ImageProcessingFilters.Invert:
baseFilter = new Invert();
break;
case ImageProcessingFilters.Blur:
baseFilter = new Blur();
break;
case ImageProcessingFilters.RotateChannels:
baseFilter = new RotateChannels();
break;
case ImageProcessingFilters.RotateChannels2:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new RotateChannels());
((FiltersSequence)baseFilter).Add(new RotateChannels());
break;
case ImageProcessingFilters.AdditiveNoise:
IRandomNumberGenerator generator = new UniformGenerator(new Range(-50, 50));
baseFilter = new AdditiveNoise(generator);
break;
case ImageProcessingFilters.GammaCorrection:
baseFilter = new GammaCorrection(0.5);
break;
case ImageProcessingFilters.HistogramEqualization:
baseFilter = new HistogramEqualization();
break;
case ImageProcessingFilters.OrderedDithering:
byte[,] matrix = new byte[4, 4]
{
{ 95, 233, 127, 255 },
{ 159, 31, 191, 63 },
{ 111, 239, 79, 207 },
{ 175, 47, 143, 15 }
};
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new GrayscaleBT709());
((FiltersSequence)baseFilter).Add(new OrderedDithering(matrix));
break;
case ImageProcessingFilters.Pixallete:
baseFilter = new Pixellate();
break;
case ImageProcessingFilters.SimplePosterization:
baseFilter = new SimplePosterization();
break;
case ImageProcessingFilters.Texturer_Textile:
baseFilter = new Texturer(new AForge.Imaging.Textures.TextileTexture(), 0.3, 0.7);
break;
case ImageProcessingFilters.Texturer_Cloud:
baseFilter = new Texturer(new AForge.Imaging.Textures.CloudsTexture(), 0.3, 0.7);
break;
case ImageProcessingFilters.Texturer_Marble:
baseFilter = new Texturer(new AForge.Imaging.Textures.MarbleTexture(), 0.3, 0.7);
break;
case ImageProcessingFilters.Texturer_Wood:
baseFilter = new Texturer(new AForge.Imaging.Textures.WoodTexture(), 0.3, 0.7);
break;
case ImageProcessingFilters.Texturer_Labyrinth:
baseFilter = new Texturer(new AForge.Imaging.Textures.LabyrinthTexture(), 0.3, 0.7);
break;
case ImageProcessingFilters.SobelEdgeDetector:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new ExtractChannel(RGB.R));
((FiltersSequence)baseFilter).Add(new SobelEdgeDetector());
break;
case ImageProcessingFilters.SobelEdgeDetectorInvert:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new ExtractChannel(RGB.R));
((FiltersSequence)baseFilter).Add(new SobelEdgeDetector());
((FiltersSequence)baseFilter).Add(new Invert());
break;
case ImageProcessingFilters.SobelEdgeDetectorSepia:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new ExtractChannel(RGB.R));
((FiltersSequence)baseFilter).Add(new SobelEdgeDetector());
((FiltersSequence)baseFilter).Add(new GrayscaleToRGB());
((FiltersSequence)baseFilter).Add(new Sepia());
break;
case ImageProcessingFilters.SobelEdgeDetectorSepiaCanvas:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new ExtractChannel(RGB.R));
((FiltersSequence)baseFilter).Add(new SobelEdgeDetector());
((FiltersSequence)baseFilter).Add(new GrayscaleToRGB());
((FiltersSequence)baseFilter).Add(new Sepia());
((FiltersSequence)baseFilter).Add(new SimplePosterization());
((FiltersSequence)baseFilter).Add(new Texturer(new AForge.Imaging.Textures.TextileTexture(), 0.3, 0.7));
break;
case ImageProcessingFilters.Drawing:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new GrayscaleBT709());
((FiltersSequence)baseFilter).Add(new SobelEdgeDetector());
((FiltersSequence)baseFilter).Add(new Invert());
((FiltersSequence)baseFilter).Add(new SimplePosterization());
break;
case ImageProcessingFilters.DrawingSepia:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new GrayscaleBT709());
((FiltersSequence)baseFilter).Add(new SobelEdgeDetector());
((FiltersSequence)baseFilter).Add(new Invert());
((FiltersSequence)baseFilter).Add(new SimplePosterization());
((FiltersSequence)baseFilter).Add(new GrayscaleToRGB());
((FiltersSequence)baseFilter).Add(new Sepia());
break;
case ImageProcessingFilters.OilCanvas:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new SimplePosterization());
((FiltersSequence)baseFilter).Add(new Texturer(new AForge.Imaging.Textures.TextileTexture(), 0.3, 0.7));
break;
case ImageProcessingFilters.OilCanvasGray:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new SimplePosterization());
((FiltersSequence)baseFilter).Add(new Texturer(new AForge.Imaging.Textures.TextileTexture(), 0.3, 0.7));
((FiltersSequence)baseFilter).Add(new GrayscaleBT709());
break;
case ImageProcessingFilters.OilCanvasSepia:
baseFilter = new FiltersSequence();
((FiltersSequence)baseFilter).Add(new SimplePosterization());
((FiltersSequence)baseFilter).Add(new Texturer(new AForge.Imaging.Textures.TextileTexture(), 0.3, 0.7));
((FiltersSequence)baseFilter).Add(new Sepia());
break;
}
if (baseFilter == null)
{
return(null);
}
return(ApplyFilter(imageBytes, baseFilter, format));
}
