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segmentation.cpp
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segmentation.cpp
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/*
* segmentation.cpp
*
* Created on: May 2, 2014
* Author: apetit
*/
#include "segmentation.h"
#ifdef HAVECUDA
// Functions from GrabcutUtil.cu
cudaError_t TrimapFromRect(Npp8u *alpha, int alpha_pitch, NppiRect rect, int width, int height);
cudaError_t TrimapFromMask(Npp8u *alpha, int alpha_pitch, Npp8u *dt, int width, int height);
cudaError_t ApplyMatte(int mode, uchar4 *result, int result_pitch, const uchar4 *image, int image_pitch, const unsigned char *matte, int matte_pitch, int width, int height);
#endif
segmentation::segmentation() {
// TODO Auto-generated constructor stub
neighborhood = 8;
mskt = BBOX;
type = CVGRAPHCUT;
}
segmentation::~segmentation() {
// TODO Auto-generated destructor stub
#ifdef HAVECUDA
checkCudaErrors(cudaFree(d_image));
checkCudaErrors(cudaFree(d_trimap));
checkCudaErrors(cudaFree(d_dt));
checkCudaErrors(cudaFree(d_crop_image));
checkCudaErrors(cudaFree(d_crop_trimap));
checkCudaErrors(cudaFree(d_crop_dt));
delete cudaseg;
#endif
//delete pbo_resource;
}
void segmentation::init(int nghb, int impl, int msk)
{
neighborhood = nghb;
switch (impl) {
case 0:
type = CVGRAPHCUT;
break;
case 1:
type = CUDAGRAPHCUT;
break;
}
switch (msk) {
case 0:
mskt = BBOX;
break;
case 1:
mskt = CONTOUR;
break;
}
if (type == CVGRAPHCUT) mskt = BBOX;
}
void segmentation::segmentationFromRect(cv::Mat &image, cv::Mat &foreground)
{
switch(type){
case CVGRAPHCUT:
{
cv::Mat bgModel,fgModel;
cv::grabCut(image, // input image
mask, // segmentation result
rectangle,// rectangle containing foreground
bgModel,fgModel, // models
1, // number of iterations
cv::GC_INIT_WITH_RECT); // use rectangle
// Get the pixels marked as likely foreground
double t = ((double)getTickCount() - t)/getTickFrequency();
cout << "Times passed in seconds: " << t << endl;
//std::cout << " mask " << mask << std::endl;
cv::compare(mask,cv::GC_PR_FGD,maskimg,cv::CMP_EQ);
// Generate output image
//cv::Mat foreground(image.size(),CV_8UC3,cv::Scalar(255,255,255));
image.copyTo(foreground,maskimg); // bg pixels not copied
break;
}
case CUDAGRAPHCUT:
{
std::cout << " ok cuda found 0" << std::endl;
#ifdef HAVECUDA
std::cout << " ok cuda found 1" << std::endl;
FIBITMAP* _dib = NULL;
FIBITMAP* _dib4 = NULL;
if(_dib) // get rid of the current dib.
FreeImage_Unload(_dib);
//_dib = convertCVFree(image);
width = image.size().width;
height = image.size().height;
switch(image.type())
{
case CV_8U :{_dib = FreeImage_AllocateT(FIT_BITMAP,width, height, 8) ;}break; // 8 bit grayscale
case CV_8UC3:{_dib = FreeImage_AllocateT(FIT_BITMAP,width, height, 24);}break; // 24 bit RGB
case CV_16U :{_dib = FreeImage_AllocateT(FIT_UINT16,width, height, 16);}break; // 16 bit grayscale
case CV_16S :{_dib = FreeImage_AllocateT(FIT_INT16 ,width, height, 16);}break;
case CV_32S :{_dib = FreeImage_AllocateT(FIT_INT32 ,width, height, 32);}break;
case CV_32F :{_dib = FreeImage_AllocateT(FIT_FLOAT ,width, height, 32);}break;
case CV_64F :{_dib = FreeImage_AllocateT(FIT_DOUBLE,width, height, 32);}break;
}
//if(out==NULL)
//return FALSE;
int srcRowBytes = width * image.elemSize();
for (int ih=0;ih<height;ih++)
{
BYTE* ptr2Line = FreeImage_GetScanLine(_dib,(height-1)-ih);
memcpy(ptr2Line,image.ptr(ih),srcRowBytes);
}
width = FreeImage_GetWidth(_dib);
height = FreeImage_GetHeight(_dib);
if (width > MAX_IMAGE_SIZE || height > MAX_IMAGE_SIZE)
{
float scale_factor = min(MAX_IMAGE_SIZE / width, MAX_IMAGE_SIZE / height);
FIBITMAP *pResampled = FreeImage_Rescale(_dib, (int)(scale_factor * width), (int)(scale_factor * height), FILTER_BICUBIC);
width = FreeImage_GetWidth(pResampled);
height = FreeImage_GetHeight(pResampled);
_dib4 = FreeImage_ConvertTo32Bits(pResampled);
FreeImage_Unload(pResampled);
}
else
{
_dib4 = FreeImage_ConvertTo32Bits(_dib);
}
/*if (!g_bQATest && g_bDisplay)
{
initGL(&argc, argv, width, height);
}*/
std::cout << " width " << width << " height " << height << std::endl;
checkCudaErrors(cudaMallocPitch(&d_image, &image_pitch, width * sizeof(uchar4), height));
checkCudaErrors(cudaMemcpy2D(d_image, image_pitch, FreeImage_GetBits(_dib4) , FreeImage_GetPitch(_dib4), width * sizeof(uchar4), height, cudaMemcpyHostToDevice));
FreeImage_Unload(_dib);
FreeImage_Unload(_dib4);
checkCudaErrors(cudaMallocPitch(&d_trimap, &trimap_pitch, width, height));
// Setup GrabCut
cudaseg = new cudaSegmentation(d_image, (int) image_pitch, d_trimap, (int) trimap_pitch, width, height);
// Default selection rectangle
rect.x = (int) ceil(width * 0.1);
rect.y = (int) ceil(height * 0.1);
rect.width = width - 2 * rect.x;
rect.height = height - 2 * rect.y;
rect.x = rectangle.x;
rect.y = rectangle.y;
rect.width = rectangle.width;
rect.height = rectangle.height;
checkCudaErrors(TrimapFromRect(d_trimap, (int) trimap_pitch, rect, width, height));
cudaseg->computeSegmentationFromTrimap();
/*if (!g_bQATest && g_bDisplay)
{
glutMainLoop();
}*/
int qaStatus = EXIT_SUCCESS;
/*if (g_bQATest)
{
qaStatus = verifyResult(sdkFindFilePath((char *)sReferenceFile.c_str(), argv[0])) ? EXIT_SUCCESS : EXIT_FAILURE;
}*/
getResult(foreground);
// Cleanup
//delete cudaseg;
/*checkCudaErrors(cudaFree(d_image));
checkCudaErrors(cudaFree(d_trimap));*/
break;
#endif
}
}
}
void segmentation::updateMask(cv::Mat &foreground)
{
switch(mskt){
case BBOX:
{
Point pt;
std::vector<cv::Point> ptfgd;
ptfgd.resize(0);
switch(type){
case CVGRAPHCUT:
{
for(int x = 0; x<mask.cols; x++)
for(int y = 0; y<mask.rows; y++)
if (mask.at<uchar>(y,x) == 1 || mask.at<uchar>(y,x) == 3)
{
pt.x = x;
pt.y = y;
ptfgd.push_back(pt);
}
else if(mask.at<uchar>(y,x) == 0)
mask.at<uchar>(y,x) = 2;
break;
}
case CUDAGRAPHCUT:
{
for(int x = 0; x<mask.cols; x++)
for(int y = 0; y<mask.rows; y++)
if (foreground.at<cv::Vec4b>(y,x)[0] > 0 || foreground.at<cv::Vec4b>(y,x)[1] > 0 || foreground.at<cv::Vec4b>(y,x)[2] > 0)
{
pt.x = x;
pt.y = y;
ptfgd.push_back(pt);
}
break;
}
}
rectangle = cv::boundingRect(ptfgd);
//std::cout << " ptfgd " << frame_count << " rect1 " << rectangle.x << " " << rectangle.y << " rect2 " << rectangle.width << " " << rectangle.height << std::endl;
rectangle.x -= 10;
rectangle.y -= 10;
rectangle.height += 20;
rectangle.width += 20;
std::cout << " rect1 " << rectangle.x << " " << rectangle.y << std::endl;
for(int x = 0; x<mask.cols; x++)
for(int y = 0; y<mask.rows; y++)
if (x < rectangle.x || x > rectangle.x + rectangle.width || y < rectangle.y || y > rectangle.y + rectangle.height)
{
mask.at<uchar>(y,x) = 0;
}
break;
}
case CONTOUR:
{
cv::Mat distanceMap(foreground.size(),CV_8U,cv::Scalar(255));
cv::Mat dot(foreground.size(),CV_8U,cv::Scalar(0));
filter(foreground,distanceMap,dot);
//maskFromDt(distanceMap,mask1);
trimapFromDt(distanceMap,dot);
//std::cout << " rect1 " << rectangle.x << " " << rectangle.y << std::endl;
distImage = distanceMap;
dotImage = dot;
break;
}
}
}
void segmentation::updateSegmentation(cv::Mat &image,cv::Mat &foreground)
{
switch(type){
case CVGRAPHCUT:
{
double t = (double)getTickCount();
cv::Mat bgModel,fgModel;
cv::Mat _image = image.clone();
cv::Mat _mask = mask.clone();
cv::Mat foreground_;
cv::grabCut(_image,_mask,rectangle,bgModel,fgModel,5,cv::GC_INIT_WITH_MASK);
// do something ...
t = ((double)getTickCount() - t)/getTickFrequency();
cout << "Times passed in seconds: " << t << endl;
//std::cout << " mask " << mask << std::endl;
cv::compare(_mask,cv::GC_PR_FGD,maskimg,cv::CMP_EQ);
// Generate output image
//cv::Mat foreground(image.size(),CV_8UC3,cv::Scalar(255,255,255));
_image.copyTo(foreground_,maskimg); // bg pixels not copied
cv::Mat alpha(image.size(),CV_8UC1,Scalar(0));
for(int x = 0; x<image.cols; x++)
for(int y = 0; y<image.rows; y++){
if (foreground_.at<cv::Vec3b>(y,x)[0] == 0 && foreground_.at<cv::Vec3b>(y,x)[1] == 0 && foreground_.at<cv::Vec3b>(y,x)[2] == 0)
alpha.at<uchar>(y,x) = 0;
else alpha.at<uchar>(y,x) = 255;
}
cv::Mat rgb[4];
cv::split(foreground_,rgb);
cv::Mat rgba[4]={rgb[0],rgb[1],rgb[2],alpha};
cv::merge(rgba,4,foreground_);
foreground = foreground_.clone();
break;
}
case CUDAGRAPHCUT:
{
#ifdef HAVECUDA
double t = (double)getTickCount();
FIBITMAP* _dib = NULL;
FIBITMAP* _dib4 = NULL;
if(_dib) // get rid of the current dib.
FreeImage_Unload(_dib);
//_dib = convertCVFree(image);
width = image.size().width;
height = image.size().height;
switch(image.type())
{
case CV_8U :{_dib = FreeImage_AllocateT(FIT_BITMAP,width, height, 8) ;}break; // 8 bit grayscale
case CV_8UC3:{_dib = FreeImage_AllocateT(FIT_BITMAP,width, height, 24);}break; // 24 bit RGB
case CV_16U :{_dib = FreeImage_AllocateT(FIT_UINT16,width, height, 16);}break; // 16 bit grayscale
case CV_16S :{_dib = FreeImage_AllocateT(FIT_INT16 ,width, height, 16);}break;
case CV_32S :{_dib = FreeImage_AllocateT(FIT_INT32 ,width, height, 32);}break;
case CV_32F :{_dib = FreeImage_AllocateT(FIT_FLOAT ,width, height, 32);}break;
case CV_64F :{_dib = FreeImage_AllocateT(FIT_DOUBLE,width, height, 32);}break;
}
//if(out==NULL)
//return FALSE;
int srcRowBytes = width * image.elemSize();
for (int ih=0;ih<height;ih++)
{
BYTE* ptr2Line = FreeImage_GetScanLine(_dib,(height-1)-ih);
memcpy(ptr2Line,image.ptr(ih),srcRowBytes);
}
width = FreeImage_GetWidth(_dib);
height = FreeImage_GetHeight(_dib);
if (width > MAX_IMAGE_SIZE || height > MAX_IMAGE_SIZE)
{
float scale_factor = min(MAX_IMAGE_SIZE / width, MAX_IMAGE_SIZE / height);
FIBITMAP *pResampled = FreeImage_Rescale(_dib, (int)(scale_factor * width), (int)(scale_factor * height), FILTER_BICUBIC);
width = FreeImage_GetWidth(pResampled);
height = FreeImage_GetHeight(pResampled);
_dib4 = FreeImage_ConvertTo32Bits(pResampled);
FreeImage_Unload(pResampled);
}
else
{
_dib4 = FreeImage_ConvertTo32Bits(_dib);
}
/*if (!g_bQATest && g_bDisplay)
{
initGL(&argc, argv, width, height);
}*/
//std::cout << " width " << width << " height " << height << std::endl;
checkCudaErrors(cudaMallocPitch(&d_image, &image_pitch, width * sizeof(uchar4), height));
checkCudaErrors(cudaMemcpy2D(d_image, image_pitch, FreeImage_GetBits(_dib4) , FreeImage_GetPitch(_dib4), width * sizeof(uchar4), height, cudaMemcpyHostToDevice));
FreeImage_Unload(_dib);
FreeImage_Unload(_dib4);
checkCudaErrors(cudaMallocPitch(&d_trimap, &trimap_pitch, width, height));
switch(mskt){
case BBOX:
{
rect.x = rectangle.x;
rect.y = rectangle.y;
rect.width = rectangle.width;
rect.height = rectangle.height;
//checkCudaErrors(TrimapFromMask(d_trimap, (int) trimap_pitch, d_dt, width, height));
checkCudaErrors(TrimapFromRect(d_trimap, (int) trimap_pitch, rect, width, height));
cudaseg->updateTrimap(d_trimap);
break;
}
case CONTOUR:
{
//FIBITMAP *h_tri = FreeImage_Allocate(width, height, 8);
//checkCudaErrors(cudaMemcpy2D(FreeImage_GetBits(h_tri) , FreeImage_GetPitch(h_tri), d_trimap, trimap_pitch, width, height, cudaMemcpyDeviceToHost));
//checkCudaErrors(cudaMemcpy2D(d_trimap, trimap_pitch, FreeImage_GetBits(tri) , FreeImage_GetPitch(tri), width * sizeof(uchar), height, cudaMemcpyDeviceToHost));
FIBITMAP* _distanceMap = NULL;
if(_distanceMap) // get rid of the current dib.
FreeImage_Unload(_distanceMap);
_distanceMap = convertCVFree(mask);
size_t dt_pitch;
checkCudaErrors(cudaMallocPitch(&d_dt, &dt_pitch, width * sizeof(uchar), height));
checkCudaErrors(cudaMemcpy2D(d_dt, dt_pitch, FreeImage_GetBits(_distanceMap) , FreeImage_GetPitch(_distanceMap), width * sizeof(uchar), height, cudaMemcpyHostToDevice));
cudaseg->updateTrimap(d_dt);
//FreeImage_Unload(h_tri);
FreeImage_Unload(_distanceMap);
break;
}
}
checkCudaErrors(cudaFree(d_dt));
//cudaseg->computeSegmentationFromTrimap();
cudaseg->updateImage(d_image);
// Setup GrabCut
//cudaseg = new cudaSegmentation(d_image, (int) image_pitch, d_trimap, (int) trimap_pitch, width, height);
//cudaseg->computeSegmentationFromTrimap();
cudaseg->updateSegmentation();
/*if (!g_bQATest && g_bDisplay)
{
glutMainLoop();
}*/
int qaStatus = EXIT_SUCCESS;
/*if (g_bQATest)
{
qaStatus = verifyResult(sdkFindFilePath((char *)sReferenceFile.c_str(), argv[0])) ? EXIT_SUCCESS : EXIT_FAILURE;
}*/
getResult(foreground);
//cv::imwrite("foreground01.png", foreground.clone());
//waitKey(0);
//getchar();
// Cleanup
//delete cudaseg;
checkCudaErrors(cudaFree(d_image));
checkCudaErrors(cudaFree(d_trimap));
t = ((double)getTickCount() - t)/getTickFrequency();
cout << "Times passed in seconds : " << t << endl;
break;
#endif
}
}
}
void segmentation::updateSegmentationCrop(cv::Mat &image,cv::Mat &foreground)
{
switch(type){
case CVGRAPHCUT:
{
double t = (double)getTickCount();
cv::Mat bgModel,fgModel;
cv::Mat roiimage = image(rectangle);
cv::Mat roimask = mask(rectangle);
cv::grabCut(image,mask,rectangle,bgModel,fgModel,1,cv::GC_INIT_WITH_MASK);
// do something ...
t = ((double)getTickCount() - t)/getTickFrequency();
cout << "Times passed in seconds: " << t << endl;
//std::cout << " mask " << mask << std::endl;
cv::compare(mask,cv::GC_PR_FGD,maskimg,cv::CMP_EQ);
// Generate output image
//cv::Mat foreground(image.size(),CV_8UC3,cv::Scalar(255,255,255));
image.copyTo(foreground,maskimg); // bg pixels not copied
break;
}
case CUDAGRAPHCUT:
{
#ifdef HAVECUDA
cv::Mat crop_image = image(rectangle);
cv::Mat crop_mask = mask(rectangle);
double t = (double)getTickCount();
FIBITMAP* _dib = NULL;
FIBITMAP* _dib4 = NULL;
FIBITMAP* _crop_dib = NULL;
FIBITMAP* _crop_dib4 = NULL;
if(_dib) // get rid of the current dib.
{
FreeImage_Unload(_dib);
FreeImage_Unload(_crop_dib);
}
//_dib = convertCVFree(image);
width = image.size().width;
height = image.size().height;
crop_width = crop_image.size().width;
crop_height = crop_image.size().height;
//std::cout << " crop_w " << crop_width << " " << crop_height << std::endl;
switch(image.type())
{
case CV_8U :{_dib = FreeImage_AllocateT(FIT_BITMAP,width, height, 8) ;
_crop_dib = FreeImage_AllocateT(FIT_BITMAP,crop_width, crop_height, 8) ;
}break; // 8 bit grayscale
case CV_8UC3:{_dib = FreeImage_AllocateT(FIT_BITMAP,width, height, 24);
_crop_dib = FreeImage_AllocateT(FIT_BITMAP,crop_width, crop_height, 24) ;
}break; // 24 bit RGB
case CV_16U :{_dib = FreeImage_AllocateT(FIT_UINT16,width, height, 16);
_crop_dib = FreeImage_AllocateT(FIT_UINT16,crop_width, crop_height, 16);
}break; // 16 bit grayscale
case CV_16S :{_dib = FreeImage_AllocateT(FIT_INT16 ,width, height, 16);
_crop_dib = FreeImage_AllocateT(FIT_INT16 ,crop_width, crop_height, 16);
}break;
case CV_32S :{_dib = FreeImage_AllocateT(FIT_INT32 ,width, height, 32);
_crop_dib = FreeImage_AllocateT(FIT_INT32 ,crop_width, crop_height, 32);
}break;
case CV_32F :{_dib = FreeImage_AllocateT(FIT_FLOAT ,width, height, 32);
_crop_dib = FreeImage_AllocateT(FIT_FLOAT ,crop_width, crop_height, 32);
}break;
case CV_64F :{_dib = FreeImage_AllocateT(FIT_DOUBLE,width, height, 32);
_crop_dib = FreeImage_AllocateT(FIT_DOUBLE,crop_width, crop_height, 32);
}break;
}
//if(out==NULL)
//return FALSE;
int srcRowBytes = width * image.elemSize();
int crop_srcRowBytes = crop_width * crop_image.elemSize();
for (int ih=0;ih<height;ih++)
{
BYTE* ptr2Line = FreeImage_GetScanLine(_dib,(height-1)-ih);
memcpy(ptr2Line,image.ptr(ih),srcRowBytes);
}
for (int ih=0;ih<crop_height;ih++)
{
BYTE* crop_ptr2Line = FreeImage_GetScanLine(_crop_dib,(crop_height-1)-ih);
memcpy(crop_ptr2Line,crop_image.ptr(ih),crop_srcRowBytes);
}
if (width > MAX_IMAGE_SIZE || height > MAX_IMAGE_SIZE)
{
float scale_factor = min(MAX_IMAGE_SIZE / width, MAX_IMAGE_SIZE / height);
FIBITMAP *pResampled = FreeImage_Rescale(_dib, (int)(scale_factor * width), (int)(scale_factor * height), FILTER_BICUBIC);
width = FreeImage_GetWidth(pResampled);
height = FreeImage_GetHeight(pResampled);
_dib4 = FreeImage_ConvertTo32Bits(pResampled);
FreeImage_Unload(pResampled);
}
else
{
_dib4 = FreeImage_ConvertTo32Bits(_dib);
}
if (crop_width > MAX_IMAGE_SIZE || crop_height > MAX_IMAGE_SIZE)
{
float scale_factor = min(MAX_IMAGE_SIZE / crop_width, MAX_IMAGE_SIZE / crop_height);
FIBITMAP *crop_pResampled = FreeImage_Rescale(_crop_dib, (int)(scale_factor * crop_width), (int)(scale_factor * crop_height), FILTER_BICUBIC);
crop_width = FreeImage_GetWidth(crop_pResampled);
crop_height = FreeImage_GetHeight(crop_pResampled);
_crop_dib4 = FreeImage_ConvertTo32Bits(crop_pResampled);
FreeImage_Unload(crop_pResampled);
}
else
{
_crop_dib4 = FreeImage_ConvertTo32Bits(_crop_dib);
}
/*if (!g_bQATest && g_bDisplay)
{
initGL(&argc, argv, width, height);
}*/
std::cout << " width " << width << " height " << height << std::endl;
checkCudaErrors(cudaMallocPitch(&d_image, &image_pitch, width * sizeof(uchar4), height));
checkCudaErrors(cudaMemcpy2D(d_image, image_pitch, FreeImage_GetBits(_dib4) , FreeImage_GetPitch(_dib4), width * sizeof(uchar4), height, cudaMemcpyHostToDevice));
checkCudaErrors(cudaMallocPitch(&d_crop_image, &crop_image_pitch, crop_width * sizeof(uchar4), crop_height));
checkCudaErrors(cudaMemcpy2D(d_crop_image, crop_image_pitch, FreeImage_GetBits(_crop_dib4) , FreeImage_GetPitch(_crop_dib4), crop_width * sizeof(uchar4), crop_height, cudaMemcpyHostToDevice));
//FreeImage_Save(FIF_PNG, _crop_dib4, "img_crop.png", 0);
FreeImage_Unload(_dib);
FreeImage_Unload(_dib4);
FreeImage_Unload(_crop_dib);
FreeImage_Unload(_crop_dib4);
//checkCudaErrors(cudaMallocPitch(&d_trimap, &trimap_pitch, width, height));
//checkCudaErrors(cudaMallocPitch(&d_crop_trimap, &crop_trimap_pitch, crop_width, crop_height));
switch(mskt){
case BBOX:
{
rect.x = rectangle.x;
rect.y = rectangle.y;
rect.width = rectangle.width;
rect.height = rectangle.height;
//checkCudaErrors(TrimapFromMask(d_trimap, (int) trimap_pitch, d_dt, width, height));
checkCudaErrors(TrimapFromRect(d_trimap, (int) trimap_pitch, rect, width, height));
cudaseg->updateTrimap(d_trimap);
break;
}
case CONTOUR:
{
//FIBITMAP *h_tri = FreeImage_Allocate(width, height, 8);
//checkCudaErrors(cudaMemcpy2D(FreeImage_GetBits(h_tri) , FreeImage_GetPitch(h_tri), d_trimap, trimap_pitch, width, height, cudaMemcpyDeviceToHost));
//checkCudaErrors(cudaMemcpy2D(d_trimap, trimap_pitch, FreeImage_GetBits(tri) , FreeImage_GetPitch(tri), width * sizeof(uchar), height, cudaMemcpyDeviceToHost));
FIBITMAP* _distanceMap = NULL;
FIBITMAP* _crop_distanceMap = NULL;
if(_distanceMap) // get rid of the current dib.
FreeImage_Unload(_distanceMap);
if(_crop_distanceMap) // get rid of the current dib.
FreeImage_Unload(_crop_distanceMap);
_distanceMap = convertCVFree(mask);
_crop_distanceMap = convertCVFree(crop_mask);
size_t dt_pitch;
size_t dt_crop_pitch;
//FreeImage_Save(FIF_PNG, _crop_distanceMap, "crop_dmap.png", 0);
//FreeImage_Save(FIF_PNG, _distanceMap, "dmap.png", 0);
checkCudaErrors(cudaMallocPitch(&d_dt, &dt_pitch, width * sizeof(uchar), height));
checkCudaErrors(cudaMemcpy2D(d_dt, dt_pitch, FreeImage_GetBits(_distanceMap) , FreeImage_GetPitch(_distanceMap), width * sizeof(uchar), height, cudaMemcpyHostToDevice));
checkCudaErrors(cudaMallocPitch(&d_crop_dt, &dt_crop_pitch, crop_width * sizeof(uchar), crop_height));
checkCudaErrors(cudaMemcpy2D(d_crop_dt, dt_crop_pitch, FreeImage_GetBits(_crop_distanceMap) , FreeImage_GetPitch(_crop_distanceMap), crop_width * sizeof(uchar), crop_height, cudaMemcpyHostToDevice));
cudaseg->updateTrimapCrop(d_dt,d_crop_dt,(int)dt_crop_pitch);
//FreeImage_Unload(h_tri);
FreeImage_Unload(_distanceMap);
FreeImage_Unload(_crop_distanceMap);
break;
}
}
checkCudaErrors(cudaFree(d_dt));
checkCudaErrors(cudaFree(d_crop_dt));
//cudaseg->computeSegmentationFromTrimap();
cudaseg->updateImage(d_image);
cudaseg->updateImageCrop(d_crop_image, (int)crop_image_pitch, crop_width, crop_height);
// Setup GrabCut
//cudaseg = new cudaSegmentation(d_image, (int) image_pitch, d_trimap, (int) trimap_pitch, width, height);
//cudaseg->computeSegmentationFromTrimap();
cudaseg->updateSegmentationCrop();
/*if (!g_bQATest && g_bDisplay)
{
glutMainLoop();
}*/
int qaStatus = EXIT_SUCCESS;
/*if (g_bQATest)
{
qaStatus = verifyResult(sdkFindFilePath((char *)sReferenceFile.c_str(), argv[0])) ? EXIT_SUCCESS : EXIT_FAILURE;
}*/
cv::Mat crop_foreground,foreground0;
getResultCrop(crop_foreground);
foreground0 = cv::Mat::zeros(image.size(),CV_8UC4);
cv::Mat roiforeground = foreground0(rectangle);
crop_foreground.copyTo(roiforeground); // bg pixels not copied
foreground = foreground0;
//waitKey(0);
//getchar();
// Cleanup
//delete cudaseg;
checkCudaErrors(cudaFree(d_image));
//checkCudaErrors(cudaFree(d_trimap));
//checkCudaErrors(cudaFree(d_crop_image));
//checkCudaErrors(cudaFree(d_crop_trimap));
t = ((double)getTickCount() - t)/getTickFrequency();
cout << "Times passed in seconds : " << t << endl;
break;
#endif
}
}
}
void segmentation::saveResult(const char *filename)
{
#ifdef HAVECUDA
uchar4 *d_result;
size_t result_pitch;
checkCudaErrors(cudaMallocPitch(&d_result, &result_pitch, width*4, height));
std::cout << " wi " << width << " he " << height << std::endl;
ApplyMatte(2, d_result, (int) result_pitch, d_image, (int) image_pitch, cudaseg->getAlpha(), cudaseg->getAlphaPitch(), width, height);
FIBITMAP *h_Image = FreeImage_Allocate(width, height, 32);
checkCudaErrors(cudaMemcpy2D(FreeImage_GetBits(h_Image) , FreeImage_GetPitch(h_Image), d_result, result_pitch, width * 4, height, cudaMemcpyDeviceToHost));
FreeImage_Save(FIF_PNG, h_Image, filename, 0);
FreeImage_Unload(h_Image);
checkCudaErrors(cudaFree(d_result));
printf("Saved result as %s\n", filename);
#endif
}
void segmentation::getResult(cv::Mat &out)
{
#ifdef HAVECUDA
uchar4 *d_result;
size_t result_pitch;
checkCudaErrors(cudaMallocPitch(&d_result, &result_pitch, width*4, height));
ApplyMatte(2, d_result, (int) result_pitch, d_image, (int) image_pitch, cudaseg->getAlpha(), cudaseg->getAlphaPitch(), width, height);
FIBITMAP *h_Image = FreeImage_Allocate(width, height, 32);
checkCudaErrors(cudaMemcpy2D(FreeImage_GetBits(h_Image) , FreeImage_GetPitch(h_Image), d_result, result_pitch, width * 4, height, cudaMemcpyDeviceToHost));
//convertFreeCV(h_Image,out);
IplImage *l_pCvImg = NULL;
CvSize l_size;
int x, y;
unsigned int l_pitch;
FREE_IMAGE_TYPE l_image_type;
// FreeImage is bottom up ordered but not OpenCV
FreeImage_FlipVertical(h_Image);
// Get image property
l_size.width = FreeImage_GetWidth(h_Image);
l_size.height = FreeImage_GetHeight(h_Image);
l_pitch = FreeImage_GetPitch(h_Image);
l_image_type = FreeImage_GetImageType(h_Image);
//std::cout << " width " << l_size.width << " height " << l_size.height << std::endl;
// Test image type
if((l_image_type == FIT_BITMAP) && (FreeImage_GetBPP(h_Image) == 32))
{
// Create OpenCV image
l_pCvImg = cvCreateImage(l_size, IPL_DEPTH_8U, 4);
BYTE *l_pLine = (BYTE*)FreeImage_GetBits(h_Image);
for(y = 0; y < l_size.height; y++)
{
BYTE *l_pPixel = (BYTE*)l_pLine;
for(x = 0; x < l_size.width; x++)
{
// Get pixel addresses
uchar* b = &((uchar*)(l_pCvImg->imageData + l_pCvImg->widthStep*y))[x*4];
uchar* g = &((uchar*)(l_pCvImg->imageData + l_pCvImg->widthStep*y))[x*4+1];
uchar* r = &((uchar*)(l_pCvImg->imageData + l_pCvImg->widthStep*y))[x*4+2];
uchar* a = &((uchar*)(l_pCvImg->imageData + l_pCvImg->widthStep*y))[x*4+3];
// Copy pixel value
*b = l_pPixel[FI_RGBA_BLUE];
*r = l_pPixel[FI_RGBA_RED];
*g = l_pPixel[FI_RGBA_GREEN];
*a = l_pPixel[FI_RGBA_ALPHA];
// Next pixel in the line
l_pPixel += 4;
}
// Next line
l_pLine += l_pitch;
}
}
out = cv::cvarrToMat(l_pCvImg);
FreeImage_Unload(h_Image);
checkCudaErrors(cudaFree(d_result));
#endif
}
void segmentation::getResultCrop(cv::Mat &out)
{
#ifdef HAVECUDA
uchar4 *d_crop_result;
size_t crop_result_pitch;
checkCudaErrors(cudaMallocPitch(&d_crop_result, &crop_result_pitch, crop_width*4, crop_height));
ApplyMatte(2, d_crop_result, (int) crop_result_pitch, d_crop_image, (int) crop_image_pitch, cudaseg->getAlphaCrop(), cudaseg->getAlphaPitchCrop(), crop_width, crop_height);
FIBITMAP *h_crop_Image = FreeImage_Allocate(crop_width, crop_height, 32);
checkCudaErrors(cudaMemcpy2D(FreeImage_GetBits(h_crop_Image) , FreeImage_GetPitch(h_crop_Image), d_crop_result, crop_result_pitch, crop_width * 4, crop_height, cudaMemcpyDeviceToHost));
//convertFreeCV(h_Image,out);
IplImage *l_pCvImg = NULL;
CvSize l_size;
int x, y;
unsigned int l_pitch;
FREE_IMAGE_TYPE l_image_type;
// FreeImage is bottom up ordered but not OpenCV
FreeImage_FlipVertical(h_crop_Image);
// Get image property
l_size.width = FreeImage_GetWidth(h_crop_Image);
l_size.height = FreeImage_GetHeight(h_crop_Image);
l_pitch = FreeImage_GetPitch(h_crop_Image);
l_image_type = FreeImage_GetImageType(h_crop_Image);
//std::cout << " width " << l_size.width << " height " << l_size.height << std::endl;
// Test image type
if((l_image_type == FIT_BITMAP) && (FreeImage_GetBPP(h_crop_Image) == 32))
{
// Create OpenCV image
l_pCvImg = cvCreateImage(l_size, IPL_DEPTH_8U, 4);
BYTE *l_pLine = (BYTE*)FreeImage_GetBits(h_crop_Image);
for(y = 0; y < l_size.height; y++)
{
BYTE *l_pPixel = (BYTE*)l_pLine;
for(x = 0; x < l_size.width; x++)
{
// Get pixel addresses
uchar* b = &((uchar*)(l_pCvImg->imageData + l_pCvImg->widthStep*y))[x*4];
uchar* g = &((uchar*)(l_pCvImg->imageData + l_pCvImg->widthStep*y))[x*4+1];
uchar* r = &((uchar*)(l_pCvImg->imageData + l_pCvImg->widthStep*y))[x*4+2];
uchar* a = &((uchar*)(l_pCvImg->imageData + l_pCvImg->widthStep*y))[x*4+3];
// Copy pixel value
*b = l_pPixel[FI_RGBA_BLUE];
*r = l_pPixel[FI_RGBA_RED];
*g = l_pPixel[FI_RGBA_GREEN];
*a = l_pPixel[FI_RGBA_ALPHA];
// Next pixel in the line
l_pPixel += 4;
}
// Next line
l_pLine += l_pitch;
}
}
cv::Mat out0 = cv::cvarrToMat(l_pCvImg);
out = out0;
FreeImage_Unload(h_crop_Image);
checkCudaErrors(cudaFree(d_crop_result));
#endif
}
void segmentation::filter(cv::Mat &out,cv::Mat &dt,cv::Mat &dot)
{
cv::Mat dt0;
//cv::imwrite("out.png",out);
for(int x = 0; x<out.cols; x++)
for(int y = 0; y<out.rows; y++)
if (out.at<cv::Vec4b>(y,x)[0] > 0 || out.at<cv::Vec4b>(y,x)[1] > 0 || out.at<cv::Vec4b>(y,x)[2] > 0)
{
dot.at<uchar>(y,x) = 0;
}
else dot.at<uchar>(y,x) = 255;
cv::Mat edges;
/*cv::namedWindow("Image");
cv::imshow("Image",out);*/
cv::Canny(dot,edges,10,350,3);
edges = cv::Scalar::all(255) - edges;
//cv::imwrite("edges.png",edges);
cv::distanceTransform(edges, dt0, CV_DIST_L2, 3);
//cv::imwrite("dt0.png",dt0);
//dt0 *= 5000;
//pow(dt0, 0.5, dt0);
dt0.convertTo(dt, CV_8U, 1, 0);
distImage = dt;
dotImage = dot;
//cv::imwrite("dt.png",dt);
/*cv::namedWindow("Image");
cv::imshow("Image",dot);*/
/*cv::namedWindow("Canny");
cv::imshow("Canny",edges);*/
//normalize(dt, dt, 0.0, 1.0, NORM_MINMAX);
//imshow("normalized", dt);
//waitKey(0);
//getchar();
}
void segmentation::maskFromDt(cv::Mat &_dt,cv::Mat &mask_)
{