public Bitmap konwertujObraz(Image obraz1, int przekroj = 0)
{
uint r = obraz1.GetWidth();
// VectorUInt32 w = new VectorUInt32(new[] { r, 512, 4 + 1 });
VectorInt32 start = new VectorInt32(new[] { 0, 0, 0 });
VectorInt32 size1 = new VectorInt32(new[] { 512, 512, 1 });
obraz1 = WybierzPrzekroj(obraz1, przekroj);
IntensityWindowingImageFilter normalize = new IntensityWindowingImageFilter();
normalize.SetOutputMinimum(0);
normalize.SetOutputMaximum(255);
obraz1 = normalize.Execute(obraz1);
PixelIDValueEnum u = PixelIDValueEnum.sitkFloat32;
int len = 1;
Image input = SimpleITK.Cast(obraz1, u);
VectorUInt32 size = input.GetSize();
for (int dim = 0; dim < input.GetDimension(); dim++)
{
len *= (int)size[dim];
}
IntPtr buffer = input.GetBufferAsFloat();
float bufferPtr = (float)buffer.ToInt32();
float[] bufferAsArray = new float[len];
float[,] newData = new float[size[0], size[1]];
Marshal.Copy(buffer, bufferAsArray, 0, len);
obrazBitmap = new Bitmap(Convert.ToInt32(size[0]), Convert.ToInt32(size[1]));
for (int j = 0; j < size[1]; j++)
{
for (int i = 0; i < size[0]; i++)
{
var bur = bufferAsArray[j * size[1] + i];
System.Drawing.Color newColor = System.Drawing.Color.FromArgb((int)bur, 0, 0, 0);
obrazBitmap.SetPixel(j, i, newColor);
}
}
Color s = obrazBitmap.GetPixel(34, 56);
return(obrazBitmap);
}
public Image segmentujObraz(int numerPrzekroj, int numerMaxPrzekroju = 0)
{
try {
Image image;
if (numerMaxPrzekroju == 0)
{
image = WybierzPrzekroj(obraz, numerPrzekroj);
}
else
{
image = WybierzPrzekroj(obraz, numerPrzekroj, numerMaxPrzekroju);
}
itk.simple.Image imgWstepnePrzetwarzanie = this.WstepnePrzetwarzanie(image);
itk.simple.Image imgSegmentowanaSledziona = this.SegmetacjaSledziony(imgWstepnePrzetwarzanie);
itk.simple.Image imgNalozenieObrazow = this.NalozObrazy(image, imgSegmentowanaSledziona);
itk.simple.Image obrazWysegmentowany = imgNalozenieObrazow;
uint e = obraz.GetDimension();
uint j = obraz.GetWidth();
uint k = obraz.GetDepth();
uint o = obrazWysegmentowany.GetDepth();
return(obrazWysegmentowany);
//zapiszObraz(obrazWysegmentowany);
}
catch (ArgumentNullException e)
{
throw new ArgumentNullException("sprawdz czy wczytales obraz");
}
catch (Exception e)
{
//throw new Exception("blad podczas segmentacji obrazu");
throw new Exception(e.Message);
}
}
static void Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("Usage: SimpleGaussian <input>");
return;
}
// Read input image
itk.simple.Image input = SimpleITK.ReadImage(args[0]);
// Cast to we know the the pixel type
input = SimpleITK.Cast(input, PixelId.sitkFloat32);
// calculate the number of pixels
VectorUInt32 size = input.GetSize();
int len = 1;
for (int dim = 0; dim < input.GetDimension(); dim++)
{
len *= (int)size[dim];
}
IntPtr buffer = input.GetBufferAsFloat();
// Note: C# also has a GetConstBufferAs... methods which do not
// implicitly call MakeUnique.
// There are two ways to access the buffer:
// (1) Access the underlying buffer as a pointer in an "unsafe" block
// (note that in C# "unsafe" simply means that the compiler can not
// perform full type checking), and requires the -unsafe compiler flag
// unsafe {
// float* bufferPtr = (float*)buffer.ToPointer();
// // Now the byte pointer can be accessed as per Brad's email
// // (of course this example is only a 2d single channel image):
// // This is a 1-D array but can be access as a 3-D. Given an
// // image of size [xS,yS,zS], you can access the image at
// // index [x,y,z] as you wish by image[x+y*xS+z*xS*yS],
// // so x is the fastest axis and z is the slowest.
// for (int j = 0; j < size[1]; j++) {
// for (int i = 0; i < size[0]; i++) {
// float pixel = bufferPtr[i + j*size[1]];
// // Do something with pixel here
// }
// }
// }
// (2) Copy the buffer to a "safe" array (i.e. a fully typed array)
// (note that this means memory is duplicated)
float[] bufferAsArray = new float[len]; // Allocates new memory the size of input
Marshal.Copy(buffer, bufferAsArray, 0, len);
double total = 0.0;
for (int j = 0; j < size[1]; j++)
{
for (int i = 0; i < size[0]; i++)
{
float pixel = bufferAsArray[i + j * size[1]];
total += pixel;
}
}
Console.WriteLine("Pixel value total: {0}", total);
}
