/// <summary>
/// Split color channels of a rgb image and return a list with channels as sitk.Image.
/// list[0] = red channel
/// list[1] = blue channel
/// list[2] = green channel
/// </summary>
/// <param name="img">color image (rgb)</param>
/// <returns>list with three color channels</returns>
public static List <sitk.Image> SplitColorChannels(sitk.Image img)
{
if (img.GetNumberOfComponentsPerPixel() >= 3)
{
List <sitk.Image> result = new List <sitk.Image>();
sitk.VectorIndexSelectionCastImageFilter rgbVector = new sitk.VectorIndexSelectionCastImageFilter();
result.Add(rgbVector.Execute(img, 0, sitk.PixelIDValueEnum.sitkFloat32));
result.Add(rgbVector.Execute(img, 1, sitk.PixelIDValueEnum.sitkFloat32));
result.Add(rgbVector.Execute(img, 2, sitk.PixelIDValueEnum.sitkFloat32));
return(result);
}
else
{
return(null);
}
}