delete &d;
}
-void KCF_Tracker::train(cv::Mat input_gray, cv::Mat input_rgb, double interp_factor)
+void KCF_Tracker::train(cv::Mat input_rgb, cv::Mat input_gray, double interp_factor)
{
TRACE("");
// obtain a sub-window for training
// TODO: Move Mats outside from here
MatScaleFeats patch_feats(1, p_num_of_feats, p_roi);
+ DEBUG_PRINT(patch_feats);
MatScaleFeats temp(1, p_num_of_feats, p_roi);
get_features(input_rgb, input_gray, p_pose.cx, p_pose.cy,
p_windows_size.width, p_windows_size.height,
alphaf_den = (p_xf * xfconj);
} else {
// Kernel Ridge Regression, calculate alphas (in Fourier domain)
- const uint num_scales = BIG_BATCH_MODE ? p_num_scales : 1;
cv::Size sz(Fft::freq_size(p_roi));
- ComplexMat kf(sz.height, sz.width, num_scales);
- (*gaussian_correlation)(*this, kf, p_model_xf, p_model_xf, p_kernel_sigma, true);
+ ComplexMat kf(sz.height, sz.width, 1);
+ (*gaussian_correlation)(kf, p_model_xf, p_model_xf, p_kernel_sigma, true, *this);
DEBUG_PRINTM(kf);
p_model_alphaf_num = p_yf * kf;
- DEBUG_PRINTM(p_model_alphaf_num);
p_model_alphaf_den = kf * (kf + p_lambda);
- DEBUG_PRINTM(p_model_alphaf_den);
}
p_model_alphaf = p_model_alphaf_num / p_model_alphaf_den;
DEBUG_PRINTM(p_model_alphaf);
p_roi.height = p_windows_size.height / p_cell_size;
p_scales.clear();
- if (m_use_scale)
- for (int i = -int(p_num_scales) / 2; i <= int(p_num_scales) / 2; ++i)
- p_scales.push_back(std::pow(p_scale_step, i));
- else
- p_scales.push_back(1.);
+ for (int i = -int(p_num_scales) / 2; i <= int(p_num_scales) / 2; ++i)
+ p_scales.push_back(std::pow(p_scale_step, i));
#ifdef CUFFT
if (p_roi.height * (p_roi.width / 2 + 1) > 1024) {
std::cerr << "cuFFT supports only Gaussian kernel." << std::endl;
std::exit(EXIT_FAILURE);
}
- CudaSafeCall(cudaSetDeviceFlags(cudaDeviceMapHost));
#else
p_xf.create(p_roi.height, p_roi.height / 2 + 1, p_num_of_feats);
#endif
d.threadctxs.emplace_back(p_roi, p_num_of_feats, p_num_scales);
#endif
- gaussian_correlation.reset(
- new GaussianCorrelation(IF_BIG_BATCH(p_num_scales, 1), p_roi));
+ gaussian_correlation.reset(new GaussianCorrelation(1, p_roi));
p_current_scale = 1.;
DEBUG_PRINTM(p_yf);
// train initial model
- train(input_gray, input_rgb, 1.0);
+ train(input_rgb, input_gray, 1.0);
}
void KCF_Tracker::setTrackerPose(BBox_c &bbox, cv::Mat &img, int fit_size_x, int fit_size_y)
}
}
-void KCF_Tracker::findMaxReponse(uint &max_idx, cv::Point2f &new_location) const
+double KCF_Tracker::findMaxReponse(uint &max_idx, cv::Point2f &new_location) const
{
double max = -1.;
#ifndef BIG_BATCH
new_location = max_response_pt;
}
DEBUG_PRINT(new_location);
+ return max;
}
void KCF_Tracker::track(cv::Mat &img)
cv::Point2f new_location;
uint max_idx;
- findMaxReponse(max_idx, new_location);
+ max_response = findMaxReponse(max_idx, new_location);
p_pose.cx += p_current_scale * p_cell_size * double(new_location.x);
p_pose.cy += p_current_scale * p_cell_size * double(new_location.y);
DEBUG_PRINT(patch_feats.scale(i));
}
- DEBUG_PRINT(patch_feats);
kcf.fft.forward_window(patch_feats, zf, temp);
DEBUG_PRINTM(zf);
if (kcf.m_use_linearkernel) {
kzf = zf.mul(kcf.p_model_alphaf).sum_over_channels();
} else {
- gaussian_correlation(kcf, kzf, zf, kcf.p_model_xf, kcf.p_kernel_sigma);
- DEBUG_PRINTM(kcf.p_model_alphaf);
+ gaussian_correlation(kzf, zf, kcf.p_model_xf, kcf.p_kernel_sigma, false, kcf);
DEBUG_PRINTM(kzf);
kzf = kzf.mul(kcf.p_model_alphaf);
- DEBUG_PRINTM(kzf);
}
kcf.fft.inverse(kzf, response);
return patch;
}
-void KCF_Tracker::GaussianCorrelation::operator()(const KCF_Tracker &kcf, ComplexMat &result, const ComplexMat &xf,
- const ComplexMat &yf, double sigma, bool auto_correlation)
+void KCF_Tracker::GaussianCorrelation::operator()(ComplexMat &result, const ComplexMat &xf, const ComplexMat &yf,
+ double sigma, bool auto_correlation, const KCF_Tracker &kcf)
{
TRACE("");
xf.sqr_norm(xf_sqr_norm);
yf.sqr_norm(yf_sqr_norm);
}
xyf = auto_correlation ? xf.sqr_mag() : xf * yf.conj(); // xf.muln(yf.conj());
- //DEBUG_PRINTM(xyf);
- kcf.fft.inverse(xyf, ifft_res);
+ DEBUG_PRINTM(xyf);
+
+ // ifft2 and sum over 3rd dimension, we dont care about individual channels
+ ComplexMat xyf_sum = xyf.sum_over_channels();
+ DEBUG_PRINTM(xyf_sum);
+ kcf.fft.inverse(xyf_sum, ifft_res);
+ DEBUG_PRINTM(ifft_res);
#ifdef CUFFT
+ // FIXME
cuda_gaussian_correlation(ifft_res.deviceMem(), k.deviceMem(), xf_sqr_norm.deviceMem(),
auto_correlation ? xf_sqr_norm.deviceMem() : yf_sqr_norm.deviceMem(), sigma,
xf.n_channels, xf.n_scales, kcf.p_roi.height, kcf.p_roi.width);
#else
- // ifft2 and sum over 3rd dimension, we dont care about individual channels
- //DEBUG_PRINTM(ifft_res);
- cv::Mat xy_sum;
- if (xf.channels() != kcf.p_num_scales * kcf.p_num_of_feats)
- xy_sum.create(ifft_res.size(), CV_32FC1);
- else
- xy_sum.create(ifft_res.size(), CV_32FC(kcf.p_scales.size()));
- xy_sum.setTo(0);
- for (int y = 0; y < ifft_res.rows; ++y) {
- float *row_ptr = ifft_res.ptr<float>(y);
- float *row_ptr_sum = xy_sum.ptr<float>(y);
- for (int x = 0; x < ifft_res.cols; ++x) {
- for (int sum_ch = 0; sum_ch < xy_sum.channels(); ++sum_ch) {
- row_ptr_sum[(x * xy_sum.channels()) + sum_ch] += std::accumulate(
- row_ptr + x * ifft_res.channels() + sum_ch * (ifft_res.channels() / xy_sum.channels()),
- (row_ptr + x * ifft_res.channels() +
- (sum_ch + 1) * (ifft_res.channels() / xy_sum.channels())),
- 0.f);
- }
- }
- }
- DEBUG_PRINTM(xy_sum);
-
- std::vector<cv::Mat> scales;
- cv::split(xy_sum, scales);
float numel_xf_inv = 1.f / (xf.cols * xf.rows * (xf.channels() / xf.n_scales));
for (uint i = 0; i < xf.n_scales; ++i) {
- cv::Mat k_roi = k.plane(i);
- cv::exp(-1. / (sigma * sigma) * cv::max((xf_sqr_norm[i] + yf_sqr_norm[0] - 2 * scales[i]) * numel_xf_inv, 0),
- k_roi);
- DEBUG_PRINTM(k_roi);
+ cv::Mat plane = ifft_res.plane(i);
+ DEBUG_PRINT(ifft_res.plane(i));
+ cv::exp(-1. / (sigma * sigma) * cv::max((xf_sqr_norm[i] + yf_sqr_norm[0] - 2 * ifft_res.plane(i))
+ * numel_xf_inv, 0), plane);
+ DEBUG_PRINTM(plane);
}
#endif
- kcf.fft.forward(k, result);
+ kcf.fft.forward(ifft_res, result);
}
float get_response_circular(cv::Point2i &pt, cv::Mat &response)
{
int x = pt.x;
int y = pt.y;
+ assert(response.dims == 2); // ensure .cols and .rows are valid
if (x < 0) x = response.cols + x;
if (y < 0) y = response.rows + y;
if (x >= response.cols) x = x - response.cols;
projects / hercules2020 / kcf.git / blobdiff