~ 45% speedup for RawImageSource::green_equilibrate()

This commit is contained in:
heckflosse 2018-03-10 22:52:03 +01:00
parent 64979b0660
commit 478ebb1a49

View File

@ -44,7 +44,16 @@ public:
{
int ctiles = w_ / TILE_SIZE;
int rtiles = h_ / TILE_SIZE;
tiles_.resize(rtiles+1, std::vector<int>(ctiles+1));
tiles_.resize(rtiles+1, std::vector<float>(ctiles+1));
}
void processTiles()
{
for(size_t i = 0; i < tiles_.size(); ++i) {
for(size_t j = 0; j < tiles_[i].size(); ++j) {
tiles_[i][j] = tiles_[i][j] * PIXEL_COUNT_FACTOR / (AREA * AREA);
}
}
}
void increment(int row, int col)
@ -76,22 +85,22 @@ public:
// x direction
int d = std::abs(cx - col);
float f1 = fxy * float(TILE_SIZE - d)/float(TILE_SIZE) + fx1y * float(d)/float(TILE_SIZE);
float f2 = fxy1 * float(TILE_SIZE - d)/float(TILE_SIZE) + fx1y1 * float(d)/float(TILE_SIZE);
float f1 = fxy * (TILE_SIZE - d) + fx1y * float(d);
float f2 = fxy1 * (TILE_SIZE - d) + fx1y1 * float(d);
// y direction
d = std::abs(cy - row);
f = f1 * float(TILE_SIZE - d)/float(TILE_SIZE) + f2 * float(d)/float(TILE_SIZE);
f = (f1 * (TILE_SIZE - d) + f2 * float(d));
} else {
float f2 = tile_factor(y, x1);
int d = std::abs(cx - col);
f = fxy * float(TILE_SIZE - d)/float(TILE_SIZE) + f2 * float(d)/float(TILE_SIZE);
f = (fxy * float(TILE_SIZE - d) + f2 * float(d)) * TILE_SIZE;
}
} else if (y1 >= 0 && size_t(y1) < tiles_.size()) {
float f2 = tile_factor(y1, x);
int d = std::abs(cy - row);
f = fxy * float(TILE_SIZE - d)/float(TILE_SIZE) + f2 * float(d)/float(TILE_SIZE);
f = (fxy * float(TILE_SIZE - d) + f2 * float(d)) * TILE_SIZE;
} else {
f = fxy;
f = fxy * AREA;
}
return thresh_ * f;
@ -111,12 +120,12 @@ public:
private:
float tile_factor(int y, int x) const
{
return float(tiles_[y][x] * PIXEL_COUNT_FACTOR) / AREA;
return tiles_[y][x];
}
int w_;
int h_;
std::vector<std::vector<int>> tiles_;
std::vector<std::vector<float>> tiles_;
};
} // namespace
@ -208,6 +217,7 @@ int PDAFLinesFilter::markLine(array2D<float> &rawData, PixelsMap &bpMap, int y)
int PDAFLinesFilter::mark(array2D<float> &rawData, PixelsMap &bpMap)
{
if (pattern_.empty()) {
if (settings->verbose) {
std::cout << "no PDAF pattern known for " << ri_->get_maker() << " " << ri_->get_model() << std::endl;
@ -241,7 +251,7 @@ int PDAFLinesFilter::mark(array2D<float> &rawData, PixelsMap &bpMap)
if (settings->verbose) {
static_cast<PDAFGreenEqulibrateThreshold *>(gthresh_)->print();
}
static_cast<PDAFGreenEqulibrateThreshold *>(gthresh_)->processTiles();
return found;
}