本文整理汇总了C++中Image2D::ValuePtr方法的典型用法代码示例。如果您正苦于以下问题：C++ Image2D::ValuePtr方法的具体用法？C++ Image2D::ValuePtr怎么用？C++ Image2D::ValuePtr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Image2D的用法示例。
在下文中一共展示了Image2D::ValuePtr方法的1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: calibrate
void CalibratePassbandAction::calibrate(TimeFrequencyData& data) const
{
const size_t height = data.ImageHeight();
std::vector<num_t> stddev(_steps);
for(size_t step=0; step!=_steps; ++step)
{
const size_t startY = step*height/_steps, endY = (step+1)*height/_steps;
std::vector<num_t> dataVector((1+endY-startY) * data.ImageWidth() * data.ImageCount());
std::vector<num_t>::iterator vecIter = dataVector.begin();
const Mask2DCPtr maskPtr = data.GetSingleMask();
const Mask2D &mask = *maskPtr;
for(size_t i=0; i!=data.ImageCount(); ++i)
{
const Image2D &image = *data.GetImage(i);
for(size_t y=startY; y!=endY; ++y)
{
const num_t *inputPtr = image.ValuePtr(0, y);
const bool *maskPtr = mask.ValuePtr(0, y);
for(size_t x=0; x!=image.Width(); ++x)
{
if(!*maskPtr && std::isfinite(*inputPtr))
{
*vecIter = *inputPtr;
++vecIter;
}
++inputPtr;
++maskPtr;
}
}
}
dataVector.resize(vecIter - dataVector.begin());
num_t mean;
ThresholdTools::WinsorizedMeanAndStdDev<num_t>(dataVector, mean, stddev[step]);
}
for(size_t i=0; i!=data.ImageCount(); ++i)
{
const Image2D &image = *data.GetImage(i);
Image2D *destImage = Image2D::CreateUnsetImage(image.Width(), image.Height());
for(size_t step=0; step!=_steps; ++step)
{
const size_t startY = step*height/_steps, endY = (step+1)*height/_steps;
float correctionFactor;
if(stddev[step] == 0.0)
correctionFactor = 0.0;
else
correctionFactor = 1.0 / stddev[step];
const __m128 corrFact4 = _mm_set_ps(correctionFactor, correctionFactor, correctionFactor, correctionFactor);
for(size_t y=startY; y!=endY; ++y)
{
const float *inputPtr = image.ValuePtr(0, y);
float *destPtr = destImage->ValuePtr(0, y);
for(size_t x=0;x<image.Width();x+=4)
{
_mm_store_ps(destPtr, _mm_mul_ps(corrFact4, _mm_load_ps(inputPtr)));
inputPtr += 4;
destPtr += 4;
}
}
}
data.SetImage(i, Image2DPtr(destImage));
}
}