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Changed from IT to int for distance calculation

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This commit is contained in:
Erik Karlsson 2015-03-05 13:36:42 +01:00
parent 69eae13ff3
commit 305cff36e2
3 changed files with 114 additions and 114 deletions
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50
modules/photo/src/fast_nlmeans_denoising_invoker.hpp
View File

@ -80,15 +80,15 @@ private:
std::vector<IT> almost_dist2weight_;
void calcDistSumsForFirstElementInRow(
int i, Array2d<IT>& dist_sums,
Array3d<IT>& col_dist_sums,
Array3d<IT>& up_col_dist_sums) const;
int i, Array2d<int>& dist_sums,
Array3d<int>& col_dist_sums,
Array3d<int>& up_col_dist_sums) const;
void calcDistSumsForElementInFirstRow(
int i, int j, int first_col_num,
Array2d<IT>& dist_sums,
Array3d<IT>& col_dist_sums,
Array3d<IT>& up_col_dist_sums) const;
Array2d<int>& dist_sums,
Array3d<int>& col_dist_sums,
Array3d<int>& up_col_dist_sums) const;
};
inline int getNearestPowerOf2(int value)
@ -128,8 +128,8 @@ FastNlMeansDenoisingInvoker<T, IT, UIT, D>::FastNlMeansDenoisingInvoker(
almost_template_window_size_sq_bin_shift_ = getNearestPowerOf2(template_window_size_sq);
double almost_dist2actual_dist_multiplier = ((double)(1 << almost_template_window_size_sq_bin_shift_)) / template_window_size_sq;
IT max_dist = D::template maxDist<T, IT>();
size_t almost_max_dist = (size_t)(max_dist / almost_dist2actual_dist_multiplier + 1);
int max_dist = D::template maxDist<T>();
int almost_max_dist = (int)(max_dist / almost_dist2actual_dist_multiplier + 1);
almost_dist2weight_.resize(almost_max_dist);
const double WEIGHT_THRESHOLD = 0.001;
@ -156,14 +156,14 @@ void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& range)
int row_to = range.end - 1;
// sums of cols anf rows for current pixel p
Array2d<IT> dist_sums(search_window_size_, search_window_size_);
Array2d<int> dist_sums(search_window_size_, search_window_size_);
// for lazy calc optimization (sum of cols for current pixel)
Array3d<IT> col_dist_sums(template_window_size_, search_window_size_, search_window_size_);
Array3d<int> col_dist_sums(template_window_size_, search_window_size_, search_window_size_);
int first_col_num = -1;
// last elements of column sum (for each element in row)
Array3d<IT> up_col_dist_sums(src_.cols, search_window_size_, search_window_size_);
Array3d<int> up_col_dist_sums(src_.cols, search_window_size_, search_window_size_);
for (int i = row_from; i <= row_to; i++)
{
@ -202,9 +202,9 @@ void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& range)
for (int y = 0; y < search_window_size; y++)
{
IT * dist_sums_row = dist_sums.row_ptr(y);
IT * col_dist_sums_row = col_dist_sums.row_ptr(first_col_num, y);
IT * up_col_dist_sums_row = up_col_dist_sums.row_ptr(j, y);
int * dist_sums_row = dist_sums.row_ptr(y);
int * col_dist_sums_row = col_dist_sums.row_ptr(first_col_num, y);
int * up_col_dist_sums_row = up_col_dist_sums.row_ptr(j, y);
const T * b_up_ptr = extended_src_.ptr<T>(start_by - template_window_half_size_ - 1 + y);
const T * b_down_ptr = extended_src_.ptr<T>(start_by + template_window_half_size_ + y);
@ -215,7 +215,7 @@ void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& range)
dist_sums_row[x] -= col_dist_sums_row[x];
int bx = start_bx + x;
col_dist_sums_row[x] = up_col_dist_sums_row[x] + D::template calcUpDownDist<T, IT>(a_up, a_down, b_up_ptr[bx], b_down_ptr[bx]);
col_dist_sums_row[x] = up_col_dist_sums_row[x] + D::template calcUpDownDist<T>(a_up, a_down, b_up_ptr[bx], b_down_ptr[bx]);
dist_sums_row[x] += col_dist_sums_row[x];
up_col_dist_sums_row[x] = col_dist_sums_row[x];
@ -234,10 +234,10 @@ void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& range)
for (int y = 0; y < search_window_size_; y++)
{
const T* cur_row_ptr = extended_src_.ptr<T>(border_size_ + search_window_y + y);
IT* dist_sums_row = dist_sums.row_ptr(y);
int* dist_sums_row = dist_sums.row_ptr(y);
for (int x = 0; x < search_window_size_; x++)
{
size_t almostAvgDist = (size_t)(dist_sums_row[x] >> almost_template_window_size_sq_bin_shift_);
int almostAvgDist = dist_sums_row[x] >> almost_template_window_size_sq_bin_shift_;
IT weight = almost_dist2weight_[almostAvgDist];
weights_sum += weight;
@ -257,9 +257,9 @@ void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& range)
template <typename T, typename IT, typename UIT, typename D>
inline void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForFirstElementInRow(
int i,
Array2d<IT>& dist_sums,
Array3d<IT>& col_dist_sums,
Array3d<IT>& up_col_dist_sums) const
Array2d<int>& dist_sums,
Array3d<int>& col_dist_sums,
Array3d<int>& up_col_dist_sums) const
{
int j = 0;
@ -276,7 +276,7 @@ inline void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForFirstElem
for (int ty = -template_window_half_size_; ty <= template_window_half_size_; ty++)
for (int tx = -template_window_half_size_; tx <= template_window_half_size_; tx++)
{
int dist = D::template calcDist<T, IT>(extended_src_,
int dist = D::template calcDist<T>(extended_src_,
border_size_ + i + ty, border_size_ + j + tx,
border_size_ + start_y + ty, border_size_ + start_x + tx);
@ -291,9 +291,9 @@ inline void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForFirstElem
template <typename T, typename IT, typename UIT, typename D>
inline void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForElementInFirstRow(
int i, int j, int first_col_num,
Array2d<IT>& dist_sums,
Array3d<IT>& col_dist_sums,
Array3d<IT>& up_col_dist_sums) const
Array2d<int>& dist_sums,
Array3d<int>& col_dist_sums,
Array3d<int>& up_col_dist_sums) const
{
int ay = border_size_ + i;
int ax = border_size_ + j + template_window_half_size_;
@ -312,7 +312,7 @@ inline void FastNlMeansDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForElementIn
int by = start_by + y;
int bx = start_bx + x;
for (int ty = -template_window_half_size_; ty <= template_window_half_size_; ty++)
col_dist_sums[new_last_col_num][y][x] += D::template calcDist<T,IT>(extended_src_, ay + ty, ax, by + ty, bx);
col_dist_sums[new_last_col_num][y][x] += D::template calcDist<T>(extended_src_, ay + ty, ax, by + ty, bx);
dist_sums[y][x] += col_dist_sums[new_last_col_num][y][x];
up_col_dist_sums[j][y][x] = col_dist_sums[new_last_col_num][y][x];

124
modules/photo/src/fast_nlmeans_denoising_invoker_commons.hpp
View File

@ -83,63 +83,63 @@ template <typename T> struct pixelInfo: public pixelInfo_<T>
class DistAbs
{
template <typename T, typename IT> struct calcDist_
template <typename T> struct calcDist_
{
static inline IT f(const T a, const T b)
static inline int f(const T a, const T b)
{
return std::abs((IT)(a-b));
return std::abs((int)(a-b));
}
};
template <typename ET, typename IT> struct calcDist_<Vec<ET, 2>, IT>
template <typename ET> struct calcDist_<Vec<ET, 2> >
{
static inline IT f(const Vec<ET, 2> a, const Vec<ET, 2> b)
static inline int f(const Vec<ET, 2> a, const Vec<ET, 2> b)
{
return std::abs((IT)(a[0]-b[0])) + std::abs((IT)(a[1]-b[1]));
return std::abs((int)(a[0]-b[0])) + std::abs((int)(a[1]-b[1]));
}
};
template <typename ET, typename IT> struct calcDist_<Vec<ET, 3>, IT>
template <typename ET> struct calcDist_<Vec<ET, 3> >
{
static inline IT f(const Vec<ET, 3> a, const Vec<ET, 3> b)
static inline int f(const Vec<ET, 3> a, const Vec<ET, 3> b)
{
return
std::abs((IT)(a[0]-b[0])) +
std::abs((IT)(a[1]-b[1])) +
std::abs((IT)(a[2]-b[2]));
std::abs((int)(a[0]-b[0])) +
std::abs((int)(a[1]-b[1])) +
std::abs((int)(a[2]-b[2]));
}
};
template <typename ET, typename IT> struct calcDist_<Vec<ET, 4>, IT>
template <typename ET> struct calcDist_<Vec<ET, 4> >
{
static inline IT f(const Vec<ET, 4> a, const Vec<ET, 4> b)
static inline int f(const Vec<ET, 4> a, const Vec<ET, 4> b)
{
return
std::abs((IT)(a[0]-b[0])) +
std::abs((IT)(a[1]-b[1])) +
std::abs((IT)(a[2]-b[2])) +
std::abs((IT)(a[3]-b[3]));
std::abs((int)(a[0]-b[0])) +
std::abs((int)(a[1]-b[1])) +
std::abs((int)(a[2]-b[2])) +
std::abs((int)(a[3]-b[3]));
}
};
public:
template <typename T, typename IT> static inline IT calcDist(const T a, const T b)
template <typename T> static inline int calcDist(const T a, const T b)
{
return calcDist_<T, IT>::f(a, b);
return calcDist_<T>::f(a, b);
}
template <typename T, typename IT>
static inline IT calcDist(const Mat& m, int i1, int j1, int i2, int j2)
template <typename T>
static inline int calcDist(const Mat& m, int i1, int j1, int i2, int j2)
{
const T a = m.at<T>(i1, j1);
const T b = m.at<T>(i2, j2);
return calcDist<T, IT>(a,b);
return calcDist<T>(a,b);
}
template <typename T, typename IT>
static inline IT calcUpDownDist(T a_up, T a_down, T b_up, T b_down)
template <typename T>
static inline int calcUpDownDist(T a_up, T a_down, T b_up, T b_down)
{
return calcDist<T, IT>(a_down, b_down) - calcDist<T, IT>(a_up, b_up);
return calcDist<T>(a_down, b_down) - calcDist<T>(a_up, b_up);
};
template <typename T>
@ -148,93 +148,93 @@ public:
return std::exp(-dist*dist / (h * h * pixelInfo<T>::channels));
}
template <typename T, typename IT>
template <typename T>
static double maxDist()
{
return (IT)pixelInfo<T>::sampleMax() * (IT)pixelInfo<T>::channels;
return (int)pixelInfo<T>::sampleMax() * pixelInfo<T>::channels;
}
};
class DistSquared
{
template <typename T, typename IT> struct calcDist_
template <typename T> struct calcDist_
{
static inline IT f(const T a, const T b)
static inline int f(const T a, const T b)
{
return (IT)(a-b) * (IT)(a-b);
return (int)(a-b) * (int)(a-b);
}
};
template <typename ET, typename IT> struct calcDist_<Vec<ET, 2>, IT>
template <typename ET> struct calcDist_<Vec<ET, 2> >
{
static inline IT f(const Vec<ET, 2> a, const Vec<ET, 2> b)
static inline int f(const Vec<ET, 2> a, const Vec<ET, 2> b)
{
return (IT)(a[0]-b[0])*(IT)(a[0]-b[0]) + (IT)(a[1]-b[1])*(IT)(a[1]-b[1]);
return (int)(a[0]-b[0])*(int)(a[0]-b[0]) + (int)(a[1]-b[1])*(int)(a[1]-b[1]);
}
};
template <typename ET, typename IT> struct calcDist_<Vec<ET, 3>, IT>
template <typename ET> struct calcDist_<Vec<ET, 3> >
{
static inline IT f(const Vec<ET, 3> a, const Vec<ET, 3> b)
static inline int f(const Vec<ET, 3> a, const Vec<ET, 3> b)
{
return
(IT)(a[0]-b[0])*(IT)(a[0]-b[0]) +
(IT)(a[1]-b[1])*(IT)(a[1]-b[1]) +
(IT)(a[2]-b[2])*(IT)(a[2]-b[2]);
(int)(a[0]-b[0])*(int)(a[0]-b[0]) +
(int)(a[1]-b[1])*(int)(a[1]-b[1]) +
(int)(a[2]-b[2])*(int)(a[2]-b[2]);
}
};
template <typename ET, typename IT> struct calcDist_<Vec<ET, 4>, IT>
template <typename ET> struct calcDist_<Vec<ET, 4> >
{
static inline IT f(const Vec<ET, 4> a, const Vec<ET, 4> b)
static inline int f(const Vec<ET, 4> a, const Vec<ET, 4> b)
{
return
(IT)(a[0]-b[0])*(IT)(a[0]-b[0]) +
(IT)(a[1]-b[1])*(IT)(a[1]-b[1]) +
(IT)(a[2]-b[2])*(IT)(a[2]-b[2]) +
(IT)(a[3]-b[3])*(IT)(a[3]-b[3]);
(int)(a[0]-b[0])*(int)(a[0]-b[0]) +
(int)(a[1]-b[1])*(int)(a[1]-b[1]) +
(int)(a[2]-b[2])*(int)(a[2]-b[2]) +
(int)(a[3]-b[3])*(int)(a[3]-b[3]);
}
};
template <typename T, typename IT> struct calcUpDownDist_
template <typename T> struct calcUpDownDist_
{
static inline IT f(T a_up, T a_down, T b_up, T b_down)
static inline int f(T a_up, T a_down, T b_up, T b_down)
{
IT A = a_down - b_down;
IT B = a_up - b_up;
int A = a_down - b_down;
int B = a_up - b_up;
return (A-B)*(A+B);
}
};
template <typename ET, int n, typename IT> struct calcUpDownDist_<Vec<ET, n>, IT>
template <typename ET, int n> struct calcUpDownDist_<Vec<ET, n> >
{
private:
typedef Vec<ET, n> T;
public:
static inline IT f(T a_up, T a_down, T b_up, T b_down)
static inline int f(T a_up, T a_down, T b_up, T b_down)
{
return calcDist<T, IT>(a_down, b_down) - calcDist<T, IT>(a_up, b_up);
return calcDist<T>(a_down, b_down) - calcDist<T>(a_up, b_up);
}
};
public:
template <typename T, typename IT> static inline IT calcDist(const T a, const T b)
template <typename T> static inline int calcDist(const T a, const T b)
{
return calcDist_<T, IT>::f(a, b);
return calcDist_<T>::f(a, b);
}
template <typename T, typename IT>
static inline IT calcDist(const Mat& m, int i1, int j1, int i2, int j2)
template <typename T>
static inline int calcDist(const Mat& m, int i1, int j1, int i2, int j2)
{
const T a = m.at<T>(i1, j1);
const T b = m.at<T>(i2, j2);
return calcDist<T, IT>(a,b);
return calcDist<T>(a,b);
}
template <typename T, typename IT>
static inline IT calcUpDownDist(T a_up, T a_down, T b_up, T b_down)
template <typename T>
static inline int calcUpDownDist(T a_up, T a_down, T b_up, T b_down)
{
return calcUpDownDist_<T, IT>::f(a_up, a_down, b_up, b_down);
return calcUpDownDist_<T>::f(a_up, a_down, b_up, b_down);
};
template <typename T>
@ -243,11 +243,11 @@ public:
return std::exp(-dist / (h * h * pixelInfo<T>::channels));
}
template <typename T, typename IT>
template <typename T>
static double maxDist()
{
return (IT)pixelInfo<T>::sampleMax() * (IT)pixelInfo<T>::sampleMax() *
(IT)pixelInfo<T>::channels;
return (int)pixelInfo<T>::sampleMax() * (int)pixelInfo<T>::sampleMax() *
pixelInfo<T>::channels;
}
};

54
modules/photo/src/fast_nlmeans_multi_denoising_invoker.hpp
View File

@ -85,13 +85,13 @@ private:
int almost_template_window_size_sq_bin_shift;
std::vector<IT> almost_dist2weight;
void calcDistSumsForFirstElementInRow(int i, Array3d<IT>& dist_sums,
Array4d<IT>& col_dist_sums,
Array4d<IT>& up_col_dist_sums) const;
void calcDistSumsForFirstElementInRow(int i, Array3d<int>& dist_sums,
Array4d<int>& col_dist_sums,
Array4d<int>& up_col_dist_sums) const;
void calcDistSumsForElementInFirstRow(int i, int j, int first_col_num,
Array3d<IT>& dist_sums, Array4d<IT>& col_dist_sums,
Array4d<IT>& up_col_dist_sums) const;
Array3d<int>& dist_sums, Array4d<int>& col_dist_sums,
Array4d<int>& up_col_dist_sums) const;
};
template <typename T, typename IT, typename UIT, typename D>
@ -139,8 +139,8 @@ FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::FastNlMeansMultiDenoisingInvoke
int almost_template_window_size_sq = 1 << almost_template_window_size_sq_bin_shift;
double almost_dist2actual_dist_multiplier = (double) almost_template_window_size_sq / template_window_size_sq;
IT max_dist = D::template maxDist<T,IT>();
int almost_max_dist = (int) (max_dist / almost_dist2actual_dist_multiplier + 1);
int max_dist = D::template maxDist<T>();
int almost_max_dist = (int)(max_dist / almost_dist2actual_dist_multiplier + 1);
almost_dist2weight.resize(almost_max_dist);
const double WEIGHT_THRESHOLD = 0.001;
@ -166,13 +166,13 @@ void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& r
int row_from = range.start;
int row_to = range.end - 1;
Array3d<IT> dist_sums(temporal_window_size_, search_window_size_, search_window_size_);
Array3d<int> dist_sums(temporal_window_size_, search_window_size_, search_window_size_);
// for lazy calc optimization
Array4d<IT> col_dist_sums(template_window_size_, temporal_window_size_, search_window_size_, search_window_size_);
Array4d<int> col_dist_sums(template_window_size_, temporal_window_size_, search_window_size_, search_window_size_);
int first_col_num = -1;
Array4d<IT> up_col_dist_sums(cols_, temporal_window_size_, search_window_size_, search_window_size_);
Array4d<int> up_col_dist_sums(cols_, temporal_window_size_, search_window_size_, search_window_size_);
for (int i = row_from; i <= row_to; i++)
{
@ -216,15 +216,15 @@ void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& r
for (int d = 0; d < temporal_window_size_; d++)
{
Mat cur_extended_src = extended_srcs_[d];
Array2d<IT> cur_dist_sums = dist_sums[d];
Array2d<IT> cur_col_dist_sums = col_dist_sums[first_col_num][d];
Array2d<IT> cur_up_col_dist_sums = up_col_dist_sums[j][d];
Array2d<int> cur_dist_sums = dist_sums[d];
Array2d<int> cur_col_dist_sums = col_dist_sums[first_col_num][d];
Array2d<int> cur_up_col_dist_sums = up_col_dist_sums[j][d];
for (int y = 0; y < search_window_size; y++)
{
IT* dist_sums_row = cur_dist_sums.row_ptr(y);
int* dist_sums_row = cur_dist_sums.row_ptr(y);
IT* col_dist_sums_row = cur_col_dist_sums.row_ptr(y);
IT* up_col_dist_sums_row = cur_up_col_dist_sums.row_ptr(y);
int* col_dist_sums_row = cur_col_dist_sums.row_ptr(y);
int* up_col_dist_sums_row = cur_up_col_dist_sums.row_ptr(y);
const T* b_up_ptr = cur_extended_src.ptr<T>(start_by - template_window_half_size_ - 1 + y);
const T* b_down_ptr = cur_extended_src.ptr<T>(start_by + template_window_half_size_ + y);
@ -234,7 +234,7 @@ void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& r
dist_sums_row[x] -= col_dist_sums_row[x];
col_dist_sums_row[x] = up_col_dist_sums_row[x] +
D::template calcUpDownDist<T, IT>(a_up, a_down, b_up_ptr[start_bx + x], b_down_ptr[start_bx + x]);
D::template calcUpDownDist<T>(a_up, a_down, b_up_ptr[start_bx + x], b_down_ptr[start_bx + x]);
dist_sums_row[x] += col_dist_sums_row[x];
up_col_dist_sums_row[x] = col_dist_sums_row[x];
@ -260,11 +260,11 @@ void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& r
{
const T* cur_row_ptr = esrc_d.ptr<T>(border_size_ + search_window_y + y);
IT* dist_sums_row = dist_sums.row_ptr(d, y);
int* dist_sums_row = dist_sums.row_ptr(d, y);
for (int x = 0; x < search_window_size_; x++)
{
size_t almostAvgDist = (size_t)(dist_sums_row[x] >> almost_template_window_size_sq_bin_shift);
int almostAvgDist = dist_sums_row[x] >> almost_template_window_size_sq_bin_shift;
IT weight = almost_dist2weight[almostAvgDist];
weights_sum += weight;
@ -286,7 +286,7 @@ void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::operator() (const Range& r
template <typename T, typename IT, typename UIT, typename D>
inline void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForFirstElementInRow(
int i, Array3d<IT>& dist_sums, Array4d<IT>& col_dist_sums, Array4d<IT>& up_col_dist_sums) const
int i, Array3d<int>& dist_sums, Array4d<int>& col_dist_sums, Array4d<int>& up_col_dist_sums) const
{
int j = 0;
@ -303,14 +303,14 @@ inline void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForFirs
int start_y = i + y - search_window_half_size_;
int start_x = j + x - search_window_half_size_;
IT* dist_sums_ptr = &dist_sums[d][y][x];
IT* col_dist_sums_ptr = &col_dist_sums[0][d][y][x];
int* dist_sums_ptr = &dist_sums[d][y][x];
int* col_dist_sums_ptr = &col_dist_sums[0][d][y][x];
int col_dist_sums_step = col_dist_sums.step_size(0);
for (int tx = -template_window_half_size_; tx <= template_window_half_size_; tx++)
{
for (int ty = -template_window_half_size_; ty <= template_window_half_size_; ty++)
{
IT dist = D::template calcDist<T, IT>(
int dist = D::template calcDist<T>(
main_extended_src_.at<T>(border_size_ + i + ty, border_size_ + j + tx),
cur_extended_src.at<T>(border_size_ + start_y + ty, border_size_ + start_x + tx));
@ -327,8 +327,8 @@ inline void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForFirs
template <typename T, typename IT, typename UIT, typename D>
inline void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForElementInFirstRow(
int i, int j, int first_col_num, Array3d<IT>& dist_sums,
Array4d<IT>& col_dist_sums, Array4d<IT>& up_col_dist_sums) const
int i, int j, int first_col_num, Array3d<int>& dist_sums,
Array4d<int>& col_dist_sums, Array4d<int>& up_col_dist_sums) const
{
int ay = border_size_ + i;
int ax = border_size_ + j + template_window_half_size_;
@ -350,10 +350,10 @@ inline void FastNlMeansMultiDenoisingInvoker<T, IT, UIT, D>::calcDistSumsForElem
int by = start_by + y;
int bx = start_bx + x;
IT* col_dist_sums_ptr = &col_dist_sums[new_last_col_num][d][y][x];
int* col_dist_sums_ptr = &col_dist_sums[new_last_col_num][d][y][x];
for (int ty = -template_window_half_size_; ty <= template_window_half_size_; ty++)
{
*col_dist_sums_ptr += D::template calcDist<T, IT>(
*col_dist_sums_ptr += D::template calcDist<T>(
main_extended_src_.at<T>(ay + ty, ax),
cur_extended_src.at<T>(by + ty, bx));
}