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improved PDAF filtering algorithm (check also adjacent lines)

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This commit is contained in:
Alberto Griggio
2018-03-06 11:50:46 +01:00
parent 5ffe11fa8b
commit 5741149448
1 changed files with 20 additions and 5 deletions
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25
rtengine/pdaflinesfilter.cc
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@@ -82,11 +82,26 @@ int PDAFLinesFilter::mark(array2D<float> &rawData, PixelsMap &bpMap)
if (y == yy) {
int n = 0;
for (int x = 1; x < W_-1; ++x) {
if (ri_->FC(y, x) == 1 && rawData[y][x] > max(rawData[y-1][x-1], rawData[y-1][x+1], rawData[y+1][x-1], rawData[y+1][x+1])) {
bpMap.set(x, y);
bpMap.set(x-1, y);
bpMap.set(x+1, y);
n += 2;
if (ri_->FC(y, x) == 1) {
const float
g0 = rawData[y][x],
g1 = rawData[y-1][x+1],
g2 = rawData[y+1][x+1],
g3 = rawData[y-1][x-1],
g4 = rawData[y+1][x-1];
const float g = max(g0, g1, g2);
if (g > max(g3, g4)) {
int row = y;
if (g == g1) {
--row;
} else if (g == g2) {
++row;
}
bpMap.set(x, row);
bpMap.set(x-1, row);
bpMap.set(x+1, row);
n += 2;
}
}
}
found += n;