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reduced memory requirements in opencv_stitching

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Alexey Spizhevoy
2011-05-18 14:52:23 +00:00
parent 71ca501bb6
commit 4567b4326b
6 changed files with 34 additions and 40 deletions
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modules/stitching/blenders.cpp
+11 -19
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@@ -133,19 +133,20 @@ Point MultiBandBlender::blend(const vector<Mat> &src, const vector<Point> &corne
int left = corners[img_idx].x - dst_roi.x;
int right = dst_roi.br().x - corners[img_idx].x - src[img_idx].cols;
Mat big_src;
copyMakeBorder(src[img_idx], big_src, top, bottom, left, right, BORDER_REFLECT);
vector<Mat> src_pyr_gauss;
vector<Mat> src_pyr_gauss(num_bands_ + 1);
copyMakeBorder(src[img_idx], src_pyr_gauss[0], top, bottom, left, right, BORDER_REFLECT);
for (int i = 0; i < num_bands_; ++i)
pyrDown(src_pyr_gauss[i], src_pyr_gauss[i + 1]);
vector<Mat> src_pyr_laplace;
createGaussPyr(big_src, num_bands_, src_pyr_gauss);
createLaplacePyr(src_pyr_gauss, src_pyr_laplace);
Mat big_mask;
copyMakeBorder(masks[img_idx], big_mask, top, bottom, left, right, BORDER_CONSTANT);
Mat weight_map;
big_mask.convertTo(weight_map, CV_32F, 1./255.);
vector<Mat> weight_pyr_gauss;
createGaussPyr(weight_map, num_bands_, weight_pyr_gauss);
vector<Mat> weight_pyr_gauss(num_bands_ + 1);
Mat mask_f;
masks[img_idx].convertTo(mask_f, CV_32F, 1./255.);
copyMakeBorder(mask_f, weight_pyr_gauss[0], top, bottom, left, right, BORDER_CONSTANT);
for (int i = 0; i < num_bands_; ++i)
pyrDown(weight_pyr_gauss[i], weight_pyr_gauss[i + 1]);
for (int band_idx = 0; band_idx <= num_bands_; ++band_idx)
{
@@ -286,15 +287,6 @@ void createWeightMap(const Mat &mask, float sharpness, Mat &weight)
}
void createGaussPyr(const Mat &img, int num_layers, vector<Mat> &pyr)
{
pyr.resize(num_layers + 1);
pyr[0] = img.clone();
for (int i = 0; i < num_layers; ++i)
pyrDown(pyr[i], pyr[i + 1]);
}
void createLaplacePyr(const vector<Mat> &pyr_gauss, vector<Mat> &pyr_laplace)
{
if (pyr_gauss.size() == 0)