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precalculate indices

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This commit is contained in:
Adrien BAK 2014-10-14 12:31:56 +09:00
parent 419450689b
commit cb76d00f5f
1 changed files with 24 additions and 20 deletions
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44
modules/photo/src/seamless_cloning_impl.cpp
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@ -343,9 +343,10 @@ void Cloning::evaluate(const Mat &I, const Mat &wmask, const Mat &cloned)
void Cloning::normalClone(const Mat &destination, const Mat &patch, const Mat &binaryMask, Mat &cloned, int flag)
{
int w = destination.cols;
int h = destination.rows;
int channel = destination.channels();
const int w = destination.cols;
const int h = destination.rows;
const int channel = destination.channels();
const int n_elem_in_line = w * channel;
computeDerivatives(destination,patch,binaryMask);
@ -357,6 +358,10 @@ void Cloning::normalClone(const Mat &destination, const Mat &patch, const Mat &b
break;
case MIXED_CLONE:
{
AutoBuffer<int> maskIndices(n_elem_in_line);
for (int i = 0; i < n_elem_in_line; ++i)
maskIndices[i] = i / channel;
for(int i=0;i < h; i++)
{
@ -366,28 +371,27 @@ void Cloning::normalClone(const Mat &destination, const Mat &patch, const Mat &b
const float * destinationYLinePtr = destinationGradientY.ptr<float>(i);
const float * binaryMaskLinePtr = binaryMaskFloat.ptr<float>(i);
for(int j=0; j < w; j++)
for(int j=0; j < n_elem_in_line; j++)
{
for(int c=0;c<channel;++c)
{
if(abs(patchXLinePtr[j*channel+c] - patchYLinePtr[j*channel+c]) >
abs(destinationXLinePtr[j*channel+c] - destinationYLinePtr[j*channel+c]))
{
int maskIndex = maskIndices[j];
patchXLinePtr[j*channel+c] *= binaryMaskLinePtr[j];
patchYLinePtr[j*channel+c] *= binaryMaskLinePtr[j];
}
else
{
patchXLinePtr[j*channel+c] = destinationXLinePtr[j*channel+c]
* binaryMaskLinePtr[j];
patchGradientY.ptr<float>(i)[j*channel+c] = destinationYLinePtr[j*channel+c]
* binaryMaskLinePtr[j];
}
if(abs(patchXLinePtr[j] - patchYLinePtr[j]) >
abs(destinationXLinePtr[j] - destinationYLinePtr[j]))
{
patchXLinePtr[j] *= binaryMaskLinePtr[maskIndex];
patchYLinePtr[j] *= binaryMaskLinePtr[maskIndex];
}
else
{
patchXLinePtr[j] = destinationXLinePtr[j]
* binaryMaskLinePtr[maskIndex];
patchYLinePtr[j] = destinationYLinePtr[j]
* binaryMaskLinePtr[maskIndex];
}
}
}
break;
}
break;
case MONOCHROME_TRANSFER:
Mat gray = Mat(patch.size(),CV_8UC1);