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~ double speed for PDAFLinesFilter::mark()

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This commit is contained in:
heckflosse 2018-03-09 23:34:22 +01:00
parent 4e9a656658
commit 11c942d2b3
1 changed files with 30 additions and 26 deletions
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22
rtengine/pdaflinesfilter.cc
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@ -160,8 +160,7 @@ int PDAFLinesFilter::markLine(array2D<float> &rawData, PixelsMap &bpMap, int y)
rowmap_.resize((W_+1)/2, false);
int marked = 0;
for (int x = 1; x < W_-1; ++x) {
if (ri_->FC(y, x) == 1) {
for (int x = 1 + (ri_->FC(y, 0) & 1); x < W_-1; x += 2) {
const float
g0 = rawData[y][x],
g1 = rawData[y-1][x+1],
@ -169,24 +168,24 @@ int PDAFLinesFilter::markLine(array2D<float> &rawData, PixelsMap &bpMap, int y)
g3 = rawData[y-1][x-1],
g4 = rawData[y+1][x-1];
if (g0 > max(g1, g2, g3, g4)) {
const float gu = (g2 + g4) / 2.f;
const float gd = (g1 + g3) / 2.f;
const float gu = g2 + g4;
const float gd = g1 + g3;
const float gM = max(gu, gd);
const float gm = min(gu, gd);
const float d = (gM - gm) / gM;
if (d < 0.2f && (g0 - (gm + gM)/2.f) / g0 > std::min(d, 0.1f)) {
if (d < 0.2f && (1.f - (gm + gM)/(4.f * g0)) > std::min(d, 0.1f)) {
rowmap_[x/2] = true;
}
}
}
}
PDAFGreenEqulibrateThreshold *m = static_cast<PDAFGreenEqulibrateThreshold *>(gthresh_);
for (int x = 2; x < W_-2; ++x) {
if (ri_->FC(y, x) == 1) {
for (int x = 2 + (ri_->FC(y, 1) & 1); x < W_-2; x += 2) {
const int i = x/2;
if (rowmap_[i-1] && rowmap_[i] && rowmap_[i+1]) {
if (rowmap_[i+1]) {
if (rowmap_[i]) {
if (rowmap_[i-1]) {
for (int xx = x-2; xx <= x+2; ++xx) {
if (!bpMap.get(xx, y)) {
bpMap.set(xx, y);
@ -195,6 +194,11 @@ int PDAFLinesFilter::markLine(array2D<float> &rawData, PixelsMap &bpMap, int y)
}
}
}
} else {
x += 2;
}
} else {
x += 4;
}
}