mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2024-11-29 13:47:32 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Norms are moved out form operations.hpp

Browse Source
This commit is contained in:
Andrey Kamaev 2013-03-27 19:06:31 +04:00
parent 969a7133a9
commit 6c071cbdd8
3 changed files with 171 additions and 157 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

136
modules/core/include/opencv2/core/base.hpp
View File

@ -282,6 +282,142 @@ CV_EXPORTS int normHamming(const uchar* a, const uchar* b, int n, int cellSize);
/////////////////////////////////// inline norms ////////////////////////////////////
template<typename _Tp, typename _AccTp> static inline
_AccTp normL2Sqr(const _Tp* a, int n)
{
_AccTp s = 0;
int i=0;
#if CV_ENABLE_UNROLLED
for( ; i <= n - 4; i += 4 )
{
_AccTp v0 = a[i], v1 = a[i+1], v2 = a[i+2], v3 = a[i+3];
s += v0*v0 + v1*v1 + v2*v2 + v3*v3;
}
#endif
for( ; i < n; i++ )
{
_AccTp v = a[i];
s += v*v;
}
return s;
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normL1(const _Tp* a, int n)
{
_AccTp s = 0;
int i = 0;
#if CV_ENABLE_UNROLLED
for(; i <= n - 4; i += 4 )
{
s += (_AccTp)std::abs(a[i]) + (_AccTp)std::abs(a[i+1]) +
(_AccTp)std::abs(a[i+2]) + (_AccTp)std::abs(a[i+3]);
}
#endif
for( ; i < n; i++ )
s += fast_abs(a[i]);
return s;
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normInf(const _Tp* a, int n)
{
_AccTp s = 0;
for( int i = 0; i < n; i++ )
s = std::max(s, (_AccTp)std::abs(a[i]));
return s;
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normL2Sqr(const _Tp* a, const _Tp* b, int n)
{
_AccTp s = 0;
int i= 0;
#if CV_ENABLE_UNROLLED
for(; i <= n - 4; i += 4 )
{
_AccTp v0 = _AccTp(a[i] - b[i]), v1 = _AccTp(a[i+1] - b[i+1]), v2 = _AccTp(a[i+2] - b[i+2]), v3 = _AccTp(a[i+3] - b[i+3]);
s += v0*v0 + v1*v1 + v2*v2 + v3*v3;
}
#endif
for( ; i < n; i++ )
{
_AccTp v = _AccTp(a[i] - b[i]);
s += v*v;
}
return s;
}
template<> inline
float normL2Sqr(const float* a, const float* b, int n)
{
if( n >= 8 )
return normL2Sqr_(a, b, n);
float s = 0;
for( int i = 0; i < n; i++ )
{
float v = a[i] - b[i];
s += v*v;
}
return s;
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normL1(const _Tp* a, const _Tp* b, int n)
{
_AccTp s = 0;
int i= 0;
#if CV_ENABLE_UNROLLED
for(; i <= n - 4; i += 4 )
{
_AccTp v0 = _AccTp(a[i] - b[i]), v1 = _AccTp(a[i+1] - b[i+1]), v2 = _AccTp(a[i+2] - b[i+2]), v3 = _AccTp(a[i+3] - b[i+3]);
s += std::abs(v0) + std::abs(v1) + std::abs(v2) + std::abs(v3);
}
#endif
for( ; i < n; i++ )
{
_AccTp v = _AccTp(a[i] - b[i]);
s += std::abs(v);
}
return s;
}
template<> inline
float normL1(const float* a, const float* b, int n)
{
if( n >= 8 )
return normL1_(a, b, n);
float s = 0;
for( int i = 0; i < n; i++ )
{
float v = a[i] - b[i];
s += std::abs(v);
}
return s;
}
template<> inline
int normL1(const uchar* a, const uchar* b, int n)
{
return normL1_(a, b, n);
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normInf(const _Tp* a, const _Tp* b, int n)
{
_AccTp s = 0;
for( int i = 0; i < n; i++ )
{
_AccTp v0 = a[i] - b[i];
s = std::max(s, std::abs(v0));
}
return s;
}
////////////////// forward declarations for important OpenCV types //////////////////
template<typename _Tp, int cn> class CV_EXPORTS Vec;

28
modules/core/include/opencv2/core/matx.hpp
View File

@ -255,6 +255,8 @@ public:
*/
template<typename _Tp, int m> double determinant(const Matx<_Tp, m, m>& a);
template<typename _Tp, int m, int n> double trace(const Matx<_Tp, m, n>& a);
template<typename _Tp, int m, int n> double norm(const Matx<_Tp, m, n>& M);
template<typename _Tp, int m, int n> double norm(const Matx<_Tp, m, n>& M, int normType);
@ -390,6 +392,11 @@ public:
Vec<_Tp, m> operator *() const;
};
/*!
Utility methods
*/
template<typename _Tp, int cn> Vec<_Tp, cn> normalize(const Vec<_Tp, cn>& v);
///////////////////////////////////// helper classes /////////////////////////////////////
@ -790,6 +797,20 @@ double trace(const Matx<_Tp, m, n>& a)
return s;
}
template<typename _Tp, int m, int n> static inline
double norm(const Matx<_Tp, m, n>& M)
{
return std::sqrt(normL2Sqr<_Tp, double>(M.val, m*n));
}
template<typename _Tp, int m, int n> static inline
double norm(const Matx<_Tp, m, n>& M, int normType)
{
return normType == NORM_INF ? (double)normInf<_Tp, typename DataType<_Tp>::work_type>(M.val, m*n) :
normType == NORM_L1 ? (double)normL1<_Tp, typename DataType<_Tp>::work_type>(M.val, m*n) :
std::sqrt((double)normL2Sqr<_Tp, typename DataType<_Tp>::work_type>(M.val, m*n));
}
//////////////////////////////// matx comma initializer //////////////////////////////////
@ -987,6 +1008,13 @@ _Tp& Vec<_Tp, cn>::operator ()(int i)
return this->val[i];
}
template<typename _Tp, int cn> inline
Vec<_Tp, cn> normalize(const Vec<_Tp, cn>& v)
{
double nv = norm(v);
return v * (nv ? 1./nv : 0.);
}
//////////////////////////////// matx comma initializer //////////////////////////////////

164
modules/core/include/opencv2/core/operations.hpp
View File

@ -264,168 +264,18 @@ Matx<_Tp, 4, 1> operator * (const Matx<_Tp, 4, 4>& a, const Point3_<_Tp>& b)
template<typename _Tp> static inline
Scalar operator * (const Matx<_Tp, 4, 4>& a, const Scalar& b)
{
Matx<double, 4, 1> c((Matx<double, 4, 4>)a, b, Matx_MatMulOp());
return reinterpret_cast<const Scalar&>(c);
}
template<> inline
Scalar operator * (const Matx<double, 4, 4>& a, const Scalar& b)
{
Matx<double, 4, 1> c(a, b, Matx_MatMulOp());
return reinterpret_cast<const Scalar&>(c);
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normL2Sqr(const _Tp* a, int n)
{
_AccTp s = 0;
int i=0;
#if CV_ENABLE_UNROLLED
for( ; i <= n - 4; i += 4 )
{
_AccTp v0 = a[i], v1 = a[i+1], v2 = a[i+2], v3 = a[i+3];
s += v0*v0 + v1*v1 + v2*v2 + v3*v3;
}
#endif
for( ; i < n; i++ )
{
_AccTp v = a[i];
s += v*v;
}
return s;
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normL1(const _Tp* a, int n)
{
_AccTp s = 0;
int i = 0;
#if CV_ENABLE_UNROLLED
for(; i <= n - 4; i += 4 )
{
s += (_AccTp)fast_abs(a[i]) + (_AccTp)fast_abs(a[i+1]) +
(_AccTp)fast_abs(a[i+2]) + (_AccTp)fast_abs(a[i+3]);
}
#endif
for( ; i < n; i++ )
s += fast_abs(a[i]);
return s;
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normInf(const _Tp* a, int n)
{
_AccTp s = 0;
for( int i = 0; i < n; i++ )
s = std::max(s, (_AccTp)fast_abs(a[i]));
return s;
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normL2Sqr(const _Tp* a, const _Tp* b, int n)
{
_AccTp s = 0;
int i= 0;
#if CV_ENABLE_UNROLLED
for(; i <= n - 4; i += 4 )
{
_AccTp v0 = _AccTp(a[i] - b[i]), v1 = _AccTp(a[i+1] - b[i+1]), v2 = _AccTp(a[i+2] - b[i+2]), v3 = _AccTp(a[i+3] - b[i+3]);
s += v0*v0 + v1*v1 + v2*v2 + v3*v3;
}
#endif
for( ; i < n; i++ )
{
_AccTp v = _AccTp(a[i] - b[i]);
s += v*v;
}
return s;
}
template<> inline float normL2Sqr(const float* a, const float* b, int n)
{
if( n >= 8 )
return normL2Sqr_(a, b, n);
float s = 0;
for( int i = 0; i < n; i++ )
{
float v = a[i] - b[i];
s += v*v;
}
return s;
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normL1(const _Tp* a, const _Tp* b, int n)
{
_AccTp s = 0;
int i= 0;
#if CV_ENABLE_UNROLLED
for(; i <= n - 4; i += 4 )
{
_AccTp v0 = _AccTp(a[i] - b[i]), v1 = _AccTp(a[i+1] - b[i+1]), v2 = _AccTp(a[i+2] - b[i+2]), v3 = _AccTp(a[i+3] - b[i+3]);
s += std::abs(v0) + std::abs(v1) + std::abs(v2) + std::abs(v3);
}
#endif
for( ; i < n; i++ )
{
_AccTp v = _AccTp(a[i] - b[i]);
s += std::abs(v);
}
return s;
}
template<> inline float normL1(const float* a, const float* b, int n)
{
if( n >= 8 )
return normL1_(a, b, n);
float s = 0;
for( int i = 0; i < n; i++ )
{
float v = a[i] - b[i];
s += std::abs(v);
}
return s;
}
template<> inline int normL1(const uchar* a, const uchar* b, int n)
{
return normL1_(a, b, n);
}
template<typename _Tp, typename _AccTp> static inline
_AccTp normInf(const _Tp* a, const _Tp* b, int n)
{
_AccTp s = 0;
for( int i = 0; i < n; i++ )
{
_AccTp v0 = a[i] - b[i];
s = std::max(s, std::abs(v0));
}
return s;
}
template<typename _Tp, int m, int n> static inline
double norm(const Matx<_Tp, m, n>& M)
{
return std::sqrt(normL2Sqr<_Tp, double>(M.val, m*n));
}
template<typename _Tp, int m, int n> static inline
double norm(const Matx<_Tp, m, n>& M, int normType)
{
return normType == NORM_INF ? (double)normInf<_Tp, typename DataType<_Tp>::work_type>(M.val, m*n) :
normType == NORM_L1 ? (double)normL1<_Tp, typename DataType<_Tp>::work_type>(M.val, m*n) :
std::sqrt((double)normL2Sqr<_Tp, typename DataType<_Tp>::work_type>(M.val, m*n));
}
/////////////////////////// short vector (Vec) /////////////////////////////
template<typename _Tp, int cn> inline Vec<_Tp, cn> normalize(const Vec<_Tp, cn>& v)
{
double nv = norm(v);
return v * (nv ? 1./nv : 0.);
}
//////////////////////////////// Complex //////////////////////////////