private ManagedCuda.NPP.NPPImage_8uC4 CudaHelper(Bitmap map)
{
NppiSize size = new NppiSize(map.Width, map.Height);
ManagedCuda.NPP.NPPImage_8uC4 source = new NPPImage_8uC4(size);
source.CopyToDevice(map);
return(source);
}
private void AllocateImagesNPP(Bitmap size)
{
int w = size.Width;
int h = size.Height;
if (inputImage8uC3 == null)
{
inputImage8uC1 = new NPPImage_8uC1(w, h);
inputImage8uC3 = new NPPImage_8uC3(w, h);
inputImage8uC4 = new NPPImage_8uC4(w, h);
imageBayer = new NPPImage_32fC1(w, h);
inputImage32f = new NPPImage_32fC3(w, h);
noisyImage8u = new NPPImage_8uC3(w, h);
noiseImage32f = new NPPImage_32fC3(w, h);
resultImage8u = new NPPImage_8uC3(w, h);
resultImage32f = new NPPImage_32fC3(w, h);
return;
}
if (inputImage8uC3.Width >= w && inputImage8uC3.Height >= h)
{
inputImage8uC1.SetRoi(0, 0, w, h);
inputImage8uC3.SetRoi(0, 0, w, h);
inputImage8uC4.SetRoi(0, 0, w, h);
imageBayer.SetRoi(0, 0, w, h);
inputImage32f.SetRoi(0, 0, w, h);
noisyImage8u.SetRoi(0, 0, w, h);
noiseImage32f.SetRoi(0, 0, w, h);
resultImage8u.SetRoi(0, 0, w, h);
resultImage32f.SetRoi(0, 0, w, h);
}
else
{
inputImage8uC1.Dispose();
inputImage8uC3.Dispose();
inputImage8uC4.Dispose();
imageBayer.Dispose();
inputImage32f.Dispose();
noisyImage8u.Dispose();
noiseImage32f.Dispose();
resultImage8u.Dispose();
resultImage32f.Dispose();
inputImage8uC1 = new NPPImage_8uC1(w, h);
inputImage8uC3 = new NPPImage_8uC3(w, h);
inputImage8uC4 = new NPPImage_8uC4(w, h);
imageBayer = new NPPImage_32fC1(w, h);
inputImage32f = new NPPImage_32fC3(w, h);
noisyImage8u = new NPPImage_8uC3(w, h);
noiseImage32f = new NPPImage_32fC3(w, h);
resultImage8u = new NPPImage_8uC3(w, h);
resultImage32f = new NPPImage_32fC3(w, h);
}
}
private void Dilate3x3(object sender, EventArgs e, Bitmap map)
{
ManagedCuda.NPP.NPPImage_8uC4 source = new NPPImage_8uC4(map.Width, map.Height);
source = CudaHelper(map);
ManagedCuda.NPP.NPPImage_8uC4 dest = new NPPImage_8uC4(source.Size);
Int32 iter = Iterations;
for (int i = 0; i < iter; i++)
{
source.Dilate3x3(dest);
source = dest;
}
Bitmap destMap = new Bitmap(map.Width, map.Height);
dest.CopyToHost(destMap);
outPictureBox2.Image = destMap;
SetTextSize(this.label2, destMap);
}
private void btn_open_Click(object sender, EventArgs e)
{
if (!_nppOK)
{
return;
}
CleanUp();
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Images|*.jpg;*.bmp;*.png;*.tif";
if (ofd.ShowDialog() != System.Windows.Forms.DialogResult.OK)
{
return;
}
Bitmap src = new Bitmap(ofd.FileName);
switch (src.PixelFormat)
{
case PixelFormat.Format24bppRgb:
_colorChannels = 3;
break;
case PixelFormat.Format32bppArgb:
_colorChannels = 4;
break;
case PixelFormat.Format32bppRgb:
_colorChannels = 4;
break;
case PixelFormat.Format8bppIndexed:
_colorChannels = 1;
break;
default:
_colorChannels = 0;
txt_info.AppendText(ofd.FileName + " has an unsupported pixel format.\n");
break;
}
try
{
switch (_colorChannels)
{
case 1:
//Allocate memory on device for one channel images...
src_c1 = new NPPImage_8uC1(src.Width, src.Height);
dest_c1 = new NPPImage_8uC1(src.Width, src.Height);
src_c1.CopyToDevice(src);
txt_info.AppendText("Info: Loaded image '" + ofd.FileName + "' succesfully (Size: " + src.Width.ToString() + " x " + src.Height.ToString() + ", color channels: " + _colorChannels.ToString() + ")\n");
break;
case 3:
//As of version 5, NPP has new histogram and LUT functions for three channel images, no more need to convert first to 4 channels.
//Allocate memory on device for four channel images...
src_c3 = new NPPImage_8uC3(src.Width, src.Height);
dest_c3 = new NPPImage_8uC3(src.Width, src.Height);
//Fill 3 channel image in device memory
src_c3.CopyToDevice(src);
txt_info.AppendText("Info: Loaded image '" + ofd.FileName + "' succesfully (Size: " + src.Width.ToString() + " x " + src.Height.ToString() + ", color channels: " + _colorChannels.ToString() + ")\n");
break;
case 4:
//Allocate memory on device for four channel images...
src_c4 = new NPPImage_8uC4(src.Width, src.Height);
dest_c4 = new NPPImage_8uC4(src.Width, src.Height);
src_c4.CopyToDevice(src);
txt_info.AppendText("Info: Loaded image '" + ofd.FileName + "' succesfully (Size: " + src.Width.ToString() + " x " + src.Height.ToString() + ", color channels: " + _colorChannels.ToString() + ")\n");
break;
}
}
catch (Exception ex)
{
if (ex is NPPException)
{
txt_info.AppendText("NPPException: " + ex.Message + "\n");
CleanUp();
}
else if (ex is CudaException)
{
txt_info.AppendText("CudaException: " + ex.Message + "\n");
CleanUp();
}
else
{
throw;
}
}
//Show original image
pictureBox_src.Image = src;
}
private void btn_openImg_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Images|*.bmp;*.jpg;*.jpeg;*.tiff;*.tif;*.png;*.gif";
if (ofd.ShowDialog() != System.Windows.Forms.DialogResult.OK)
{
return;
}
bmp_src = new Bitmap(ofd.FileName);
if (bmp_src.PixelFormat != PixelFormat.Format24bppRgb)
{
MessageBox.Show("Only 24-bit RGB images are supported!");
bmp_src = null;
bmp_mask = null;
bmp_res = null;
if (npp_bmp_src != null)
{
npp_bmp_src.Dispose();
}
if (npp_bmp_res != null)
{
npp_bmp_res.Dispose();
}
if (npp_bmp_mask != null)
{
npp_bmp_mask.Dispose();
}
if (d_bmp_src != null)
{
d_bmp_src.Dispose();
}
if (d_bmp_res != null)
{
d_bmp_res.Dispose();
}
if (d_bmp_mask != null)
{
d_bmp_mask.Dispose();
}
return;
}
width = bmp_src.Width;
height = bmp_src.Height;
marker = new int[width * height];
bmp_res = new Bitmap(width, height, PixelFormat.Format32bppArgb);
bmp_mask = new Bitmap(width, height, PixelFormat.Format8bppIndexed);
SetPalette(bmp_mask);
pictureBox_src.Image = bmp_src;
selection.x = (int)Math.Ceiling(width * 0.1);
selection.y = (int)Math.Ceiling(height * 0.1);
selection.width = width - 2 * selection.x;
selection.height = height - 2 * selection.y;
if (npp_bmp_src != null)
{
npp_bmp_src.Dispose();
}
if (npp_bmp_res != null)
{
npp_bmp_res.Dispose();
}
if (npp_bmp_mask != null)
{
npp_bmp_mask.Dispose();
}
if (d_bmp_src != null)
{
d_bmp_src.Dispose();
}
if (d_bmp_res != null)
{
d_bmp_res.Dispose();
}
if (d_bmp_mask != null)
{
d_bmp_mask.Dispose();
}
NPPImage_8uC3 npp_temp = new NPPImage_8uC3(width, height);
CudaPitchedDeviceVariable <uchar3> d_bmp_temp = new CudaPitchedDeviceVariable <uchar3>(npp_temp.DevicePointer, width, height, npp_temp.Pitch);
npp_temp.CopyToDevice(bmp_src);
npp_bmp_src = new NPPImage_8uC4(width, height);
npp_bmp_res = new NPPImage_8uC4(width, height);
npp_bmp_mask = new NPPImage_8uC1(width, height);
d_bmp_src = new CudaPitchedDeviceVariable <uchar4>(npp_bmp_src.DevicePointer, width, height, npp_bmp_src.Pitch);
d_bmp_res = new CudaPitchedDeviceVariable <uchar4>(npp_bmp_res.DevicePointer, width, height, npp_bmp_res.Pitch);
d_bmp_mask = new CudaPitchedDeviceVariable <byte>(npp_bmp_mask.DevicePointer, width, height, npp_bmp_mask.Pitch);
grabcut = new GrabCut(d_bmp_src, d_bmp_mask, width, height);
grabcut.grabCutUtils.convertRGBToRGBA(d_bmp_src, d_bmp_temp, width, height);
d_bmp_temp.Dispose();
npp_temp.Dispose();
}