Reduce memory footprint of 5-level Contrast-by-Detail, Issue 2124 comment 28
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@@ -63,7 +63,6 @@ namespace rtengine {
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if (lastlevel==0) return;
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int level;
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array2D<float> buffer (srcwidth, srcheight, ARRAY2D_CLEAR_DATA);
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multi_array2D<float,maxlevel> dirpyrlo (srcwidth, srcheight);
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@@ -85,17 +84,8 @@ namespace rtengine {
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level ++;
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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//initiate buffer for final image
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for(int i = 0; i < srcheight; i++)
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for(int j = 0; j < srcwidth; j++) {
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//copy pixels
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buffer[i][j] = dirpyrlo[lastlevel-1][i][j];
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// with the current implementation of idirpyr_eq_channel we can safely use the buffer from last level as buffer, saves some memory
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float ** buffer = dirpyrlo[lastlevel-1];
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for(int level = lastlevel - 1; level > 0; level--)
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{
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@@ -136,8 +126,7 @@ namespace rtengine {
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if (lastlevel==0) return;
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int level;
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array2D<float> buffer (srcwidth, srcheight, ARRAY2D_CLEAR_DATA);
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multi_array2D<float,maxlevel> dirpyrlo (srcwidth, srcheight);
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level = 0;
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@@ -158,17 +147,9 @@ namespace rtengine {
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level ++;
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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//initiate buffer for final image
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for(int i = 0; i < srcheight; i++)
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for(int j = 0; j < srcwidth; j++) {
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//copy pixels
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buffer[i][j] = dirpyrlo[lastlevel-1][i][j];
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// with the current implementation of idirpyr_eq_channel we can safely use the buffer from last level as buffer, saves some memory
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float ** buffer = dirpyrlo[lastlevel-1];
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for(int level = lastlevel - 1; level > 0; level--)
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{
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