custHOG::custHOG()
{
imageSize = 128;
// has to be <= than the image size !!!!!
// Detection window size. Align to block size and block stride.
cv::Size win_size(imageSize, imageSize);
// Block size in pixels.
cv::Size block_size(32, 32);
// Block stride. It must be a multiple of cell size.
cv::Size block_stride(16, 16);
// Cell size.
cv::Size cell_size(16, 16);
// Number of bins. Only 9 bins per cell are supported for now.
int nbins(3);
// Didnt find Usage in Source Code
// Theoretically Aperture Size of a Sobel Operator
int derivAperture(1);
// Gaussian smoothing window parameter.
double win_sigma(-1);
int histogramNormType(cv::HOGDescriptor::L2Hys);
// L2-Hys normalization method shrinkage.
double threshold_L2hys(0.2);
// Flag to specify whether the gamma correction preprocessing is required or not.
bool gamma_correction(true);
// Maximum number of detection window increases.
int nlevels(cv::HOGDescriptor::DEFAULT_NLEVELS);
//hog = cv::HOGDescriptor(win_size,block_size,block_stride,cell_size,nbins,derivAperture,win_sigma,_histogramNormType,threshold_L2hys,gamma_correction,nlevels);
hog = cv::HOGDescriptor(win_size,block_size,block_stride,
cell_size, nbins, derivAperture,win_sigma,
histogramNormType,
threshold_L2hys, gamma_correction,
nlevels);
}
CUDA_TEST_P(Hog_var, HOG)
{
cv::cuda::GpuMat _img(c_img);
cv::cuda::GpuMat d_img;
int win_stride_width = 8;int win_stride_height = 8;
int win_width = 16;
int block_width = 8;
int block_stride_width = 4;int block_stride_height = 4;
int cell_width = 4;
int nbins = 9;
Size win_stride(win_stride_width, win_stride_height);
Size win_size(win_width, win_width * 2);
Size block_size(block_width, block_width);
Size block_stride(block_stride_width, block_stride_height);
Size cell_size(cell_width, cell_width);
cv::Ptr<cv::cuda::HOG> gpu_hog = cv::cuda::HOG::create(win_size, block_size, block_stride, cell_size, nbins);
gpu_hog->setNumLevels(13);
gpu_hog->setHitThreshold(0);
gpu_hog->setWinStride(win_stride);
gpu_hog->setScaleFactor(1.05);
gpu_hog->setGroupThreshold(8);
gpu_hog->compute(_img, d_img);
vector<float> gpu_desc_vec;
ASSERT_TRUE(gpu_desc_vec.empty());
cv::Mat R(d_img);
cv::HOGDescriptor cpu_hog(win_size, block_size, block_stride, cell_size, nbins);
cpu_hog.nlevels = 13;
vector<float> cpu_desc_vec;
ASSERT_TRUE(cpu_desc_vec.empty());
cpu_hog.compute(c_img, cpu_desc_vec, win_stride, Size(0,0));
}
CUDA_TEST_P(Hog_var_cell, HOG)
{
cv::cuda::GpuMat _img(c_img);
cv::cuda::GpuMat _img2(c_img2);
cv::cuda::GpuMat _img3(c_img3);
cv::cuda::GpuMat _img4(c_img4);
cv::cuda::GpuMat d_img;
ASSERT_FALSE(_img.empty());
ASSERT_TRUE(d_img.empty());
int win_stride_width = 8;int win_stride_height = 8;
int win_width = 48;
int block_width = 16;
int block_stride_width = 8;int block_stride_height = 8;
int cell_width = 8;
int nbins = 9;
Size win_stride(win_stride_width, win_stride_height);
Size win_size(win_width, win_width * 2);
Size block_size(block_width, block_width);
Size block_stride(block_stride_width, block_stride_height);
Size cell_size(cell_width, cell_width);
cv::Ptr<cv::cuda::HOG> gpu_hog = cv::cuda::HOG::create(win_size, block_size, block_stride, cell_size, nbins);
gpu_hog->setNumLevels(13);
gpu_hog->setHitThreshold(0);
gpu_hog->setWinStride(win_stride);
gpu_hog->setScaleFactor(1.05);
gpu_hog->setGroupThreshold(8);
gpu_hog->compute(_img, d_img);
//------------------------------------------------------------------------------
cv::cuda::GpuMat d_img2;
ASSERT_TRUE(d_img2.empty());
int win_stride_width2 = 8;int win_stride_height2 = 8;
int win_width2 = 48;
int block_width2 = 16;
int block_stride_width2 = 8;int block_stride_height2 = 8;
int cell_width2 = 4;
Size win_stride2(win_stride_width2, win_stride_height2);
Size win_size2(win_width2, win_width2 * 2);
Size block_size2(block_width2, block_width2);
Size block_stride2(block_stride_width2, block_stride_height2);
Size cell_size2(cell_width2, cell_width2);
cv::Ptr<cv::cuda::HOG> gpu_hog2 = cv::cuda::HOG::create(win_size2, block_size2, block_stride2, cell_size2, nbins);
gpu_hog2->setWinStride(win_stride2);
gpu_hog2->compute(_img, d_img2);
//------------------------------------------------------------------------------
cv::cuda::GpuMat d_img3;
ASSERT_TRUE(d_img3.empty());
int win_stride_width3 = 9;int win_stride_height3 = 9;
int win_width3 = 54;
int block_width3 = 18;
int block_stride_width3 = 9;int block_stride_height3 = 9;
int cell_width3 = 6;
Size win_stride3(win_stride_width3, win_stride_height3);
Size win_size3(win_width3, win_width3 * 2);
Size block_size3(block_width3, block_width3);
Size block_stride3(block_stride_width3, block_stride_height3);
Size cell_size3(cell_width3, cell_width3);
cv::Ptr<cv::cuda::HOG> gpu_hog3 = cv::cuda::HOG::create(win_size3, block_size3, block_stride3, cell_size3, nbins);
gpu_hog3->setWinStride(win_stride3);
gpu_hog3->compute(_img2, d_img3);
//------------------------------------------------------------------------------
cv::cuda::GpuMat d_img4;
ASSERT_TRUE(d_img4.empty());
int win_stride_width4 = 16;int win_stride_height4 = 16;
int win_width4 = 64;
int block_width4 = 32;
int block_stride_width4 = 16;int block_stride_height4 = 16;
int cell_width4 = 8;
Size win_stride4(win_stride_width4, win_stride_height4);
Size win_size4(win_width4, win_width4 * 2);
Size block_size4(block_width4, block_width4);
Size block_stride4(block_stride_width4, block_stride_height4);
Size cell_size4(cell_width4, cell_width4);
cv::Ptr<cv::cuda::HOG> gpu_hog4 = cv::cuda::HOG::create(win_size4, block_size4, block_stride4, cell_size4, nbins);
gpu_hog4->setWinStride(win_stride4);
gpu_hog4->compute(_img3, d_img4);
//------------------------------------------------------------------------------
cv::cuda::GpuMat d_img5;
ASSERT_TRUE(d_img5.empty());
int win_stride_width5 = 16;int win_stride_height5 = 16;
int win_width5 = 64;
int block_width5 = 32;
int block_stride_width5 = 16;int block_stride_height5 = 16;
int cell_width5 = 16;
Size win_stride5(win_stride_width5, win_stride_height5);
Size win_size5(win_width5, win_width5 * 2);
Size block_size5(block_width5, block_width5);
Size block_stride5(block_stride_width5, block_stride_height5);
Size cell_size5(cell_width5, cell_width5);
cv::Ptr<cv::cuda::HOG> gpu_hog5 = cv::cuda::HOG::create(win_size5, block_size5, block_stride5, cell_size5, nbins);
gpu_hog5->setWinStride(win_stride5);
gpu_hog5->compute(_img3, d_img5);
//------------------------------------------------------------------------------
}
