本文整理汇总了C++中FloatRect::XMin方法的典型用法代码示例。如果您正苦于以下问题：C++ FloatRect::XMin方法的具体用法？C++ FloatRect::XMin怎么用？C++ FloatRect::XMin使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FloatRect的用法示例。
在下文中一共展示了FloatRect::XMin方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: s
vector<FloatRect> Sampler::PixelSamples(FloatRect centre, int radius, bool halfSample)
{
vector<FloatRect> samples;
IntRect s(centre);
samples.push_back(s);
int r2 = radius*radius;
for (int iy = -radius; iy <= radius; ++iy)
{
for (int ix = -radius; ix <= radius; ++ix)
{
if (ix*ix+iy*iy > r2) continue;
if (iy == 0 && ix == 0) continue; // already put this one at the start
int x = (int)centre.XMin() + ix;
int y = (int)centre.YMin() + iy;
if (halfSample && (ix % 2 != 0 || iy % 2 != 0)) continue;
s.SetXMin(x);
s.SetYMin(y);
samples.push_back(s);
}
}
return samples;
}示例2: UpdateDebugImage
void Tracker::UpdateDebugImage(const vector<FloatRect>& samples, const FloatRect& centre, const vector<double>& scores)
{
double mn = VectorXd::Map(&scores[0], scores.size()).minCoeff();
double mx = VectorXd::Map(&scores[0], scores.size()).maxCoeff();
m_debugImage.setTo(0);
for (int i = 0; i < (int)samples.size(); ++i)
{
int x = (int)(samples[i].XMin() - centre.XMin());
int y = (int)(samples[i].YMin() - centre.YMin());
m_debugImage.at<float>(m_config.searchRadius+y, m_config.searchRadius+x) = (float)((scores[i]-mn)/(mx-mn));
}
}示例3: Update
void LaRank::Update(const MultiSample& sample, int y)
{
// add new support pattern
SupportPattern* sp = new SupportPattern;
const vector<FloatRect>& rects = sample.GetRects();
FloatRect centre = rects[y];
for (int i = 0; i < (int)rects.size(); ++i)
{
// express r in coord frame of centre sample
FloatRect r = rects[i];
r.Translate(-centre.XMin(), -centre.YMin());
sp->yv.push_back(r);
if (!m_config.quietMode && m_config.debugMode)
{
// store a thumbnail for each sample
Mat im(kTileSize, kTileSize, CV_8UC1);
IntRect rect = rects[i];
cv::Rect roi(rect.XMin(), rect.YMin(), rect.Width(), rect.Height());
cv::resize(sample.GetImage().GetImage(0)(roi), im, im.size());
sp->images.push_back(im);
}
}
// evaluate features for each sample
sp->x.resize(rects.size());
const_cast<Features&>(m_features).Eval(sample, sp->x);
sp->y = y;
sp->refCount = 0;
m_sps.push_back(sp);
ProcessNew((int)m_sps.size()-1);
BudgetMaintenance();
for (int i = 0; i < 10; ++i)
{
Reprocess();
BudgetMaintenance();
}
}示例4: assert
HaarFeature::HaarFeature(const FloatRect& bb, int type) :
m_bb(bb) {
assert(type < 6);
switch (type) {
case 0: {
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin(), bb.Width(), bb.Height() / 2));
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin() + bb.Height() / 2, bb.Width(), bb.Height() / 2));
m_weights.push_back(1.f);
m_weights.push_back(-1.f);
m_factor = 255 * 1.f / 2;
break;
}
case 1: {
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin(), bb.Width() / 2, bb.Height()));
m_rects.push_back(FloatRect(bb.XMin() + bb.Width() / 2, bb.YMin(), bb.Width() / 2, bb.Height()));
m_weights.push_back(1.f);
m_weights.push_back(-1.f);
m_factor = 255 * 1.f / 2;
break;
}
case 2: {
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin(), bb.Width() / 3, bb.Height()));
m_rects.push_back(FloatRect(bb.XMin() + bb.Width() / 3, bb.YMin(), bb.Width() / 3, bb.Height()));
m_rects.push_back(FloatRect(bb.XMin() + 2 * bb.Width() / 3, bb.YMin(), bb.Width() / 3, bb.Height()));
m_weights.push_back(1.f);
m_weights.push_back(-2.f);
m_weights.push_back(1.f);
m_factor = 255 * 2.f / 3;
break;
}
case 3: {
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin(), bb.Width(), bb.Height() / 3));
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin() + bb.Height() / 3, bb.Width(), bb.Height() / 3));
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin() + 2 * bb.Height() / 3, bb.Width(), bb.Height() / 3));
m_weights.push_back(1.f);
m_weights.push_back(-2.f);
m_weights.push_back(1.f);
m_factor = 255 * 2.f / 3;
break;
}
case 4: {
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin(), bb.Width() / 2, bb.Height() / 2));
m_rects.push_back(FloatRect(bb.XMin() + bb.Width() / 2, bb.YMin() + bb.Height() / 2, bb.Width() / 2, bb.Height() / 2));
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin() + bb.Height() / 2, bb.Width() / 2, bb.Height() / 2));
m_rects.push_back(FloatRect(bb.XMin() + bb.Width() / 2, bb.YMin(), bb.Width() / 2, bb.Height() / 2));
m_weights.push_back(1.f);
m_weights.push_back(1.f);
m_weights.push_back(-1.f);
m_weights.push_back(-1.f);
m_factor = 255 * 1.f / 2;
break;
}
case 5: {
m_rects.push_back(FloatRect(bb.XMin(), bb.YMin(), bb.Width(), bb.Height()));
m_rects.push_back(FloatRect(bb.XMin() + bb.Width() / 4, bb.YMin() + bb.Height() / 4, bb.Width() / 2, bb.Height() / 2));
m_weights.push_back(1.f);
m_weights.push_back(-4.f);
m_factor = 255 * 3.f / 4;
break;
}
}
}