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morph.cpp
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2241 lines (1921 loc) · 79.2 KB
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/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
#include "precomp.hpp"
#include <limits.h>
#include "opencl_kernels_imgproc.hpp"
#include <iostream>
#include "hal_replacement.hpp"
/****************************************************************************************\
Basic Morphological Operations: Erosion & Dilation
\****************************************************************************************/
using namespace std;
namespace cv
{
template<typename T> struct MinOp
{
typedef T type1;
typedef T type2;
typedef T rtype;
T operator ()(const T a, const T b) const { return std::min(a, b); }
};
template<typename T> struct MaxOp
{
typedef T type1;
typedef T type2;
typedef T rtype;
T operator ()(const T a, const T b) const { return std::max(a, b); }
};
#undef CV_MIN_8U
#undef CV_MAX_8U
#define CV_MIN_8U(a,b) ((a) - CV_FAST_CAST_8U((a) - (b)))
#define CV_MAX_8U(a,b) ((a) + CV_FAST_CAST_8U((b) - (a)))
template<> inline uchar MinOp<uchar>::operator ()(const uchar a, const uchar b) const { return CV_MIN_8U(a, b); }
template<> inline uchar MaxOp<uchar>::operator ()(const uchar a, const uchar b) const { return CV_MAX_8U(a, b); }
struct MorphRowNoVec
{
MorphRowNoVec(int, int) {}
int operator()(const uchar*, uchar*, int, int) const { return 0; }
};
struct MorphColumnNoVec
{
MorphColumnNoVec(int, int) {}
int operator()(const uchar**, uchar*, int, int, int) const { return 0; }
};
struct MorphNoVec
{
int operator()(uchar**, int, uchar*, int) const { return 0; }
};
#if CV_SSE2
template<class VecUpdate> struct MorphRowIVec
{
enum { ESZ = VecUpdate::ESZ };
MorphRowIVec(int _ksize, int _anchor) : ksize(_ksize), anchor(_anchor) {}
int operator()(const uchar* src, uchar* dst, int width, int cn) const
{
if( !checkHardwareSupport(CV_CPU_SSE2) )
return 0;
cn *= ESZ;
int i, k, _ksize = ksize*cn;
width = (width & -4)*cn;
VecUpdate updateOp;
for( i = 0; i <= width - 16; i += 16 )
{
__m128i s = _mm_loadu_si128((const __m128i*)(src + i));
for( k = cn; k < _ksize; k += cn )
{
__m128i x = _mm_loadu_si128((const __m128i*)(src + i + k));
s = updateOp(s, x);
}
_mm_storeu_si128((__m128i*)(dst + i), s);
}
for( ; i < width; i += 4 )
{
__m128i s = _mm_cvtsi32_si128(*(const int*)(src + i));
for( k = cn; k < _ksize; k += cn )
{
__m128i x = _mm_cvtsi32_si128(*(const int*)(src + i + k));
s = updateOp(s, x);
}
*(int*)(dst + i) = _mm_cvtsi128_si32(s);
}
return i/ESZ;
}
int ksize, anchor;
};
template<class VecUpdate> struct MorphRowFVec
{
MorphRowFVec(int _ksize, int _anchor) : ksize(_ksize), anchor(_anchor) {}
int operator()(const uchar* src, uchar* dst, int width, int cn) const
{
if( !checkHardwareSupport(CV_CPU_SSE) )
return 0;
int i, k, _ksize = ksize*cn;
width = (width & -4)*cn;
VecUpdate updateOp;
for( i = 0; i < width; i += 4 )
{
__m128 s = _mm_loadu_ps((const float*)src + i);
for( k = cn; k < _ksize; k += cn )
{
__m128 x = _mm_loadu_ps((const float*)src + i + k);
s = updateOp(s, x);
}
_mm_storeu_ps((float*)dst + i, s);
}
return i;
}
int ksize, anchor;
};
template<class VecUpdate> struct MorphColumnIVec
{
enum { ESZ = VecUpdate::ESZ };
MorphColumnIVec(int _ksize, int _anchor) : ksize(_ksize), anchor(_anchor) {}
int operator()(const uchar** src, uchar* dst, int dststep, int count, int width) const
{
if( !checkHardwareSupport(CV_CPU_SSE2) )
return 0;
int i = 0, k, _ksize = ksize;
width *= ESZ;
VecUpdate updateOp;
for( i = 0; i < count + ksize - 1; i++ )
CV_Assert( ((size_t)src[i] & 15) == 0 );
for( ; _ksize > 1 && count > 1; count -= 2, dst += dststep*2, src += 2 )
{
for( i = 0; i <= width - 32; i += 32 )
{
const uchar* sptr = src[1] + i;
__m128i s0 = _mm_load_si128((const __m128i*)sptr);
__m128i s1 = _mm_load_si128((const __m128i*)(sptr + 16));
__m128i x0, x1;
for( k = 2; k < _ksize; k++ )
{
sptr = src[k] + i;
x0 = _mm_load_si128((const __m128i*)sptr);
x1 = _mm_load_si128((const __m128i*)(sptr + 16));
s0 = updateOp(s0, x0);
s1 = updateOp(s1, x1);
}
sptr = src[0] + i;
x0 = _mm_load_si128((const __m128i*)sptr);
x1 = _mm_load_si128((const __m128i*)(sptr + 16));
_mm_storeu_si128((__m128i*)(dst + i), updateOp(s0, x0));
_mm_storeu_si128((__m128i*)(dst + i + 16), updateOp(s1, x1));
sptr = src[k] + i;
x0 = _mm_load_si128((const __m128i*)sptr);
x1 = _mm_load_si128((const __m128i*)(sptr + 16));
_mm_storeu_si128((__m128i*)(dst + dststep + i), updateOp(s0, x0));
_mm_storeu_si128((__m128i*)(dst + dststep + i + 16), updateOp(s1, x1));
}
for( ; i <= width - 8; i += 8 )
{
__m128i s0 = _mm_loadl_epi64((const __m128i*)(src[1] + i)), x0;
for( k = 2; k < _ksize; k++ )
{
x0 = _mm_loadl_epi64((const __m128i*)(src[k] + i));
s0 = updateOp(s0, x0);
}
x0 = _mm_loadl_epi64((const __m128i*)(src[0] + i));
_mm_storel_epi64((__m128i*)(dst + i), updateOp(s0, x0));
x0 = _mm_loadl_epi64((const __m128i*)(src[k] + i));
_mm_storel_epi64((__m128i*)(dst + dststep + i), updateOp(s0, x0));
}
}
for( ; count > 0; count--, dst += dststep, src++ )
{
for( i = 0; i <= width - 32; i += 32 )
{
const uchar* sptr = src[0] + i;
__m128i s0 = _mm_load_si128((const __m128i*)sptr);
__m128i s1 = _mm_load_si128((const __m128i*)(sptr + 16));
__m128i x0, x1;
for( k = 1; k < _ksize; k++ )
{
sptr = src[k] + i;
x0 = _mm_load_si128((const __m128i*)sptr);
x1 = _mm_load_si128((const __m128i*)(sptr + 16));
s0 = updateOp(s0, x0);
s1 = updateOp(s1, x1);
}
_mm_storeu_si128((__m128i*)(dst + i), s0);
_mm_storeu_si128((__m128i*)(dst + i + 16), s1);
}
for( ; i <= width - 8; i += 8 )
{
__m128i s0 = _mm_loadl_epi64((const __m128i*)(src[0] + i)), x0;
for( k = 1; k < _ksize; k++ )
{
x0 = _mm_loadl_epi64((const __m128i*)(src[k] + i));
s0 = updateOp(s0, x0);
}
_mm_storel_epi64((__m128i*)(dst + i), s0);
}
}
return i/ESZ;
}
int ksize, anchor;
};
template<class VecUpdate> struct MorphColumnFVec
{
MorphColumnFVec(int _ksize, int _anchor) : ksize(_ksize), anchor(_anchor) {}
int operator()(const uchar** _src, uchar* _dst, int dststep, int count, int width) const
{
if( !checkHardwareSupport(CV_CPU_SSE) )
return 0;
int i = 0, k, _ksize = ksize;
VecUpdate updateOp;
for( i = 0; i < count + ksize - 1; i++ )
CV_Assert( ((size_t)_src[i] & 15) == 0 );
const float** src = (const float**)_src;
float* dst = (float*)_dst;
dststep /= sizeof(dst[0]);
for( ; _ksize > 1 && count > 1; count -= 2, dst += dststep*2, src += 2 )
{
for( i = 0; i <= width - 16; i += 16 )
{
const float* sptr = src[1] + i;
__m128 s0 = _mm_load_ps(sptr);
__m128 s1 = _mm_load_ps(sptr + 4);
__m128 s2 = _mm_load_ps(sptr + 8);
__m128 s3 = _mm_load_ps(sptr + 12);
__m128 x0, x1, x2, x3;
for( k = 2; k < _ksize; k++ )
{
sptr = src[k] + i;
x0 = _mm_load_ps(sptr);
x1 = _mm_load_ps(sptr + 4);
s0 = updateOp(s0, x0);
s1 = updateOp(s1, x1);
x2 = _mm_load_ps(sptr + 8);
x3 = _mm_load_ps(sptr + 12);
s2 = updateOp(s2, x2);
s3 = updateOp(s3, x3);
}
sptr = src[0] + i;
x0 = _mm_load_ps(sptr);
x1 = _mm_load_ps(sptr + 4);
x2 = _mm_load_ps(sptr + 8);
x3 = _mm_load_ps(sptr + 12);
_mm_storeu_ps(dst + i, updateOp(s0, x0));
_mm_storeu_ps(dst + i + 4, updateOp(s1, x1));
_mm_storeu_ps(dst + i + 8, updateOp(s2, x2));
_mm_storeu_ps(dst + i + 12, updateOp(s3, x3));
sptr = src[k] + i;
x0 = _mm_load_ps(sptr);
x1 = _mm_load_ps(sptr + 4);
x2 = _mm_load_ps(sptr + 8);
x3 = _mm_load_ps(sptr + 12);
_mm_storeu_ps(dst + dststep + i, updateOp(s0, x0));
_mm_storeu_ps(dst + dststep + i + 4, updateOp(s1, x1));
_mm_storeu_ps(dst + dststep + i + 8, updateOp(s2, x2));
_mm_storeu_ps(dst + dststep + i + 12, updateOp(s3, x3));
}
for( ; i <= width - 4; i += 4 )
{
__m128 s0 = _mm_load_ps(src[1] + i), x0;
for( k = 2; k < _ksize; k++ )
{
x0 = _mm_load_ps(src[k] + i);
s0 = updateOp(s0, x0);
}
x0 = _mm_load_ps(src[0] + i);
_mm_storeu_ps(dst + i, updateOp(s0, x0));
x0 = _mm_load_ps(src[k] + i);
_mm_storeu_ps(dst + dststep + i, updateOp(s0, x0));
}
}
for( ; count > 0; count--, dst += dststep, src++ )
{
for( i = 0; i <= width - 16; i += 16 )
{
const float* sptr = src[0] + i;
__m128 s0 = _mm_load_ps(sptr);
__m128 s1 = _mm_load_ps(sptr + 4);
__m128 s2 = _mm_load_ps(sptr + 8);
__m128 s3 = _mm_load_ps(sptr + 12);
__m128 x0, x1, x2, x3;
for( k = 1; k < _ksize; k++ )
{
sptr = src[k] + i;
x0 = _mm_load_ps(sptr);
x1 = _mm_load_ps(sptr + 4);
s0 = updateOp(s0, x0);
s1 = updateOp(s1, x1);
x2 = _mm_load_ps(sptr + 8);
x3 = _mm_load_ps(sptr + 12);
s2 = updateOp(s2, x2);
s3 = updateOp(s3, x3);
}
_mm_storeu_ps(dst + i, s0);
_mm_storeu_ps(dst + i + 4, s1);
_mm_storeu_ps(dst + i + 8, s2);
_mm_storeu_ps(dst + i + 12, s3);
}
for( i = 0; i <= width - 4; i += 4 )
{
__m128 s0 = _mm_load_ps(src[0] + i), x0;
for( k = 1; k < _ksize; k++ )
{
x0 = _mm_load_ps(src[k] + i);
s0 = updateOp(s0, x0);
}
_mm_storeu_ps(dst + i, s0);
}
}
return i;
}
int ksize, anchor;
};
template<class VecUpdate> struct MorphIVec
{
enum { ESZ = VecUpdate::ESZ };
int operator()(uchar** src, int nz, uchar* dst, int width) const
{
if( !checkHardwareSupport(CV_CPU_SSE2) )
return 0;
int i, k;
width *= ESZ;
VecUpdate updateOp;
for( i = 0; i <= width - 32; i += 32 )
{
const uchar* sptr = src[0] + i;
__m128i s0 = _mm_loadu_si128((const __m128i*)sptr);
__m128i s1 = _mm_loadu_si128((const __m128i*)(sptr + 16));
__m128i x0, x1;
for( k = 1; k < nz; k++ )
{
sptr = src[k] + i;
x0 = _mm_loadu_si128((const __m128i*)sptr);
x1 = _mm_loadu_si128((const __m128i*)(sptr + 16));
s0 = updateOp(s0, x0);
s1 = updateOp(s1, x1);
}
_mm_storeu_si128((__m128i*)(dst + i), s0);
_mm_storeu_si128((__m128i*)(dst + i + 16), s1);
}
for( ; i <= width - 8; i += 8 )
{
__m128i s0 = _mm_loadl_epi64((const __m128i*)(src[0] + i)), x0;
for( k = 1; k < nz; k++ )
{
x0 = _mm_loadl_epi64((const __m128i*)(src[k] + i));
s0 = updateOp(s0, x0);
}
_mm_storel_epi64((__m128i*)(dst + i), s0);
}
return i/ESZ;
}
};
template<class VecUpdate> struct MorphFVec
{
int operator()(uchar** _src, int nz, uchar* _dst, int width) const
{
if( !checkHardwareSupport(CV_CPU_SSE) )
return 0;
const float** src = (const float**)_src;
float* dst = (float*)_dst;
int i, k;
VecUpdate updateOp;
for( i = 0; i <= width - 16; i += 16 )
{
const float* sptr = src[0] + i;
__m128 s0 = _mm_loadu_ps(sptr);
__m128 s1 = _mm_loadu_ps(sptr + 4);
__m128 s2 = _mm_loadu_ps(sptr + 8);
__m128 s3 = _mm_loadu_ps(sptr + 12);
__m128 x0, x1, x2, x3;
for( k = 1; k < nz; k++ )
{
sptr = src[k] + i;
x0 = _mm_loadu_ps(sptr);
x1 = _mm_loadu_ps(sptr + 4);
x2 = _mm_loadu_ps(sptr + 8);
x3 = _mm_loadu_ps(sptr + 12);
s0 = updateOp(s0, x0);
s1 = updateOp(s1, x1);
s2 = updateOp(s2, x2);
s3 = updateOp(s3, x3);
}
_mm_storeu_ps(dst + i, s0);
_mm_storeu_ps(dst + i + 4, s1);
_mm_storeu_ps(dst + i + 8, s2);
_mm_storeu_ps(dst + i + 12, s3);
}
for( ; i <= width - 4; i += 4 )
{
__m128 s0 = _mm_loadu_ps(src[0] + i), x0;
for( k = 1; k < nz; k++ )
{
x0 = _mm_loadu_ps(src[k] + i);
s0 = updateOp(s0, x0);
}
_mm_storeu_ps(dst + i, s0);
}
for( ; i < width; i++ )
{
__m128 s0 = _mm_load_ss(src[0] + i), x0;
for( k = 1; k < nz; k++ )
{
x0 = _mm_load_ss(src[k] + i);
s0 = updateOp(s0, x0);
}
_mm_store_ss(dst + i, s0);
}
return i;
}
};
struct VMin8u
{
enum { ESZ = 1 };
__m128i operator()(const __m128i& a, const __m128i& b) const { return _mm_min_epu8(a,b); }
};
struct VMax8u
{
enum { ESZ = 1 };
__m128i operator()(const __m128i& a, const __m128i& b) const { return _mm_max_epu8(a,b); }
};
struct VMin16u
{
enum { ESZ = 2 };
__m128i operator()(const __m128i& a, const __m128i& b) const
{ return _mm_subs_epu16(a,_mm_subs_epu16(a,b)); }
};
struct VMax16u
{
enum { ESZ = 2 };
__m128i operator()(const __m128i& a, const __m128i& b) const
{ return _mm_adds_epu16(_mm_subs_epu16(a,b), b); }
};
struct VMin16s
{
enum { ESZ = 2 };
__m128i operator()(const __m128i& a, const __m128i& b) const
{ return _mm_min_epi16(a, b); }
};
struct VMax16s
{
enum { ESZ = 2 };
__m128i operator()(const __m128i& a, const __m128i& b) const
{ return _mm_max_epi16(a, b); }
};
struct VMin32f { __m128 operator()(const __m128& a, const __m128& b) const { return _mm_min_ps(a,b); }};
struct VMax32f { __m128 operator()(const __m128& a, const __m128& b) const { return _mm_max_ps(a,b); }};
typedef MorphRowIVec<VMin8u> ErodeRowVec8u;
typedef MorphRowIVec<VMax8u> DilateRowVec8u;
typedef MorphRowIVec<VMin16u> ErodeRowVec16u;
typedef MorphRowIVec<VMax16u> DilateRowVec16u;
typedef MorphRowIVec<VMin16s> ErodeRowVec16s;
typedef MorphRowIVec<VMax16s> DilateRowVec16s;
typedef MorphRowFVec<VMin32f> ErodeRowVec32f;
typedef MorphRowFVec<VMax32f> DilateRowVec32f;
typedef MorphColumnIVec<VMin8u> ErodeColumnVec8u;
typedef MorphColumnIVec<VMax8u> DilateColumnVec8u;
typedef MorphColumnIVec<VMin16u> ErodeColumnVec16u;
typedef MorphColumnIVec<VMax16u> DilateColumnVec16u;
typedef MorphColumnIVec<VMin16s> ErodeColumnVec16s;
typedef MorphColumnIVec<VMax16s> DilateColumnVec16s;
typedef MorphColumnFVec<VMin32f> ErodeColumnVec32f;
typedef MorphColumnFVec<VMax32f> DilateColumnVec32f;
typedef MorphIVec<VMin8u> ErodeVec8u;
typedef MorphIVec<VMax8u> DilateVec8u;
typedef MorphIVec<VMin16u> ErodeVec16u;
typedef MorphIVec<VMax16u> DilateVec16u;
typedef MorphIVec<VMin16s> ErodeVec16s;
typedef MorphIVec<VMax16s> DilateVec16s;
typedef MorphFVec<VMin32f> ErodeVec32f;
typedef MorphFVec<VMax32f> DilateVec32f;
#else
typedef MorphRowNoVec ErodeRowVec8u;
typedef MorphRowNoVec DilateRowVec8u;
typedef MorphColumnNoVec ErodeColumnVec8u;
typedef MorphColumnNoVec DilateColumnVec8u;
typedef MorphRowNoVec ErodeRowVec16u;
typedef MorphRowNoVec DilateRowVec16u;
typedef MorphRowNoVec ErodeRowVec16s;
typedef MorphRowNoVec DilateRowVec16s;
typedef MorphRowNoVec ErodeRowVec32f;
typedef MorphRowNoVec DilateRowVec32f;
typedef MorphColumnNoVec ErodeColumnVec16u;
typedef MorphColumnNoVec DilateColumnVec16u;
typedef MorphColumnNoVec ErodeColumnVec16s;
typedef MorphColumnNoVec DilateColumnVec16s;
typedef MorphColumnNoVec ErodeColumnVec32f;
typedef MorphColumnNoVec DilateColumnVec32f;
typedef MorphNoVec ErodeVec8u;
typedef MorphNoVec DilateVec8u;
typedef MorphNoVec ErodeVec16u;
typedef MorphNoVec DilateVec16u;
typedef MorphNoVec ErodeVec16s;
typedef MorphNoVec DilateVec16s;
typedef MorphNoVec ErodeVec32f;
typedef MorphNoVec DilateVec32f;
#endif
typedef MorphRowNoVec ErodeRowVec64f;
typedef MorphRowNoVec DilateRowVec64f;
typedef MorphColumnNoVec ErodeColumnVec64f;
typedef MorphColumnNoVec DilateColumnVec64f;
typedef MorphNoVec ErodeVec64f;
typedef MorphNoVec DilateVec64f;
template<class Op, class VecOp> struct MorphRowFilter : public BaseRowFilter
{
typedef typename Op::rtype T;
MorphRowFilter( int _ksize, int _anchor ) : vecOp(_ksize, _anchor)
{
ksize = _ksize;
anchor = _anchor;
}
void operator()(const uchar* src, uchar* dst, int width, int cn)
{
int i, j, k, _ksize = ksize*cn;
const T* S = (const T*)src;
Op op;
T* D = (T*)dst;
if( _ksize == cn )
{
for( i = 0; i < width*cn; i++ )
D[i] = S[i];
return;
}
int i0 = vecOp(src, dst, width, cn);
width *= cn;
for( k = 0; k < cn; k++, S++, D++ )
{
for( i = i0; i <= width - cn*2; i += cn*2 )
{
const T* s = S + i;
T m = s[cn];
for( j = cn*2; j < _ksize; j += cn )
m = op(m, s[j]);
D[i] = op(m, s[0]);
D[i+cn] = op(m, s[j]);
}
for( ; i < width; i += cn )
{
const T* s = S + i;
T m = s[0];
for( j = cn; j < _ksize; j += cn )
m = op(m, s[j]);
D[i] = m;
}
}
}
VecOp vecOp;
};
template<class Op, class VecOp> struct MorphColumnFilter : public BaseColumnFilter
{
typedef typename Op::rtype T;
MorphColumnFilter( int _ksize, int _anchor ) : vecOp(_ksize, _anchor)
{
ksize = _ksize;
anchor = _anchor;
}
void operator()(const uchar** _src, uchar* dst, int dststep, int count, int width)
{
int i, k, _ksize = ksize;
const T** src = (const T**)_src;
T* D = (T*)dst;
Op op;
int i0 = vecOp(_src, dst, dststep, count, width);
dststep /= sizeof(D[0]);
for( ; _ksize > 1 && count > 1; count -= 2, D += dststep*2, src += 2 )
{
i = i0;
#if CV_ENABLE_UNROLLED
for( ; i <= width - 4; i += 4 )
{
const T* sptr = src[1] + i;
T s0 = sptr[0], s1 = sptr[1], s2 = sptr[2], s3 = sptr[3];
for( k = 2; k < _ksize; k++ )
{
sptr = src[k] + i;
s0 = op(s0, sptr[0]); s1 = op(s1, sptr[1]);
s2 = op(s2, sptr[2]); s3 = op(s3, sptr[3]);
}
sptr = src[0] + i;
D[i] = op(s0, sptr[0]);
D[i+1] = op(s1, sptr[1]);
D[i+2] = op(s2, sptr[2]);
D[i+3] = op(s3, sptr[3]);
sptr = src[k] + i;
D[i+dststep] = op(s0, sptr[0]);
D[i+dststep+1] = op(s1, sptr[1]);
D[i+dststep+2] = op(s2, sptr[2]);
D[i+dststep+3] = op(s3, sptr[3]);
}
#endif
for( ; i < width; i++ )
{
T s0 = src[1][i];
for( k = 2; k < _ksize; k++ )
s0 = op(s0, src[k][i]);
D[i] = op(s0, src[0][i]);
D[i+dststep] = op(s0, src[k][i]);
}
}
for( ; count > 0; count--, D += dststep, src++ )
{
i = i0;
#if CV_ENABLE_UNROLLED
for( ; i <= width - 4; i += 4 )
{
const T* sptr = src[0] + i;
T s0 = sptr[0], s1 = sptr[1], s2 = sptr[2], s3 = sptr[3];
for( k = 1; k < _ksize; k++ )
{
sptr = src[k] + i;
s0 = op(s0, sptr[0]); s1 = op(s1, sptr[1]);
s2 = op(s2, sptr[2]); s3 = op(s3, sptr[3]);
}
D[i] = s0; D[i+1] = s1;
D[i+2] = s2; D[i+3] = s3;
}
#endif
for( ; i < width; i++ )
{
T s0 = src[0][i];
for( k = 1; k < _ksize; k++ )
s0 = op(s0, src[k][i]);
D[i] = s0;
}
}
}
VecOp vecOp;
};
template<class Op, class VecOp> struct MorphFilter : BaseFilter
{
typedef typename Op::rtype T;
MorphFilter( const Mat& _kernel, Point _anchor )
{
anchor = _anchor;
ksize = _kernel.size();
CV_Assert( _kernel.type() == CV_8U );
std::vector<uchar> coeffs; // we do not really the values of non-zero
// kernel elements, just their locations
preprocess2DKernel( _kernel, coords, coeffs );
ptrs.resize( coords.size() );
}
void operator()(const uchar** src, uchar* dst, int dststep, int count, int width, int cn)
{
const Point* pt = &coords[0];
const T** kp = (const T**)&ptrs[0];
int i, k, nz = (int)coords.size();
Op op;
width *= cn;
for( ; count > 0; count--, dst += dststep, src++ )
{
T* D = (T*)dst;
for( k = 0; k < nz; k++ )
kp[k] = (const T*)src[pt[k].y] + pt[k].x*cn;
i = vecOp(&ptrs[0], nz, dst, width);
#if CV_ENABLE_UNROLLED
for( ; i <= width - 4; i += 4 )
{
const T* sptr = kp[0] + i;
T s0 = sptr[0], s1 = sptr[1], s2 = sptr[2], s3 = sptr[3];
for( k = 1; k < nz; k++ )
{
sptr = kp[k] + i;
s0 = op(s0, sptr[0]); s1 = op(s1, sptr[1]);
s2 = op(s2, sptr[2]); s3 = op(s3, sptr[3]);
}
D[i] = s0; D[i+1] = s1;
D[i+2] = s2; D[i+3] = s3;
}
#endif
for( ; i < width; i++ )
{
T s0 = kp[0][i];
for( k = 1; k < nz; k++ )
s0 = op(s0, kp[k][i]);
D[i] = s0;
}
}
}
std::vector<Point> coords;
std::vector<uchar*> ptrs;
VecOp vecOp;
};
}
/////////////////////////////////// External Interface /////////////////////////////////////
cv::Ptr<cv::BaseRowFilter> cv::getMorphologyRowFilter(int op, int type, int ksize, int anchor)
{
int depth = CV_MAT_DEPTH(type);
if( anchor < 0 )
anchor = ksize/2;
CV_Assert( op == MORPH_ERODE || op == MORPH_DILATE );
if( op == MORPH_ERODE )
{
if( depth == CV_8U )
return makePtr<MorphRowFilter<MinOp<uchar>,
ErodeRowVec8u> >(ksize, anchor);
if( depth == CV_16U )
return makePtr<MorphRowFilter<MinOp<ushort>,
ErodeRowVec16u> >(ksize, anchor);
if( depth == CV_16S )
return makePtr<MorphRowFilter<MinOp<short>,
ErodeRowVec16s> >(ksize, anchor);
if( depth == CV_32F )
return makePtr<MorphRowFilter<MinOp<float>,
ErodeRowVec32f> >(ksize, anchor);
if( depth == CV_64F )
return makePtr<MorphRowFilter<MinOp<double>,
ErodeRowVec64f> >(ksize, anchor);
}
else
{
if( depth == CV_8U )
return makePtr<MorphRowFilter<MaxOp<uchar>,
DilateRowVec8u> >(ksize, anchor);
if( depth == CV_16U )
return makePtr<MorphRowFilter<MaxOp<ushort>,
DilateRowVec16u> >(ksize, anchor);
if( depth == CV_16S )
return makePtr<MorphRowFilter<MaxOp<short>,
DilateRowVec16s> >(ksize, anchor);
if( depth == CV_32F )
return makePtr<MorphRowFilter<MaxOp<float>,
DilateRowVec32f> >(ksize, anchor);
if( depth == CV_64F )
return makePtr<MorphRowFilter<MaxOp<double>,
DilateRowVec64f> >(ksize, anchor);
}
CV_Error_( CV_StsNotImplemented, ("Unsupported data type (=%d)", type));
return Ptr<BaseRowFilter>();
}
cv::Ptr<cv::BaseColumnFilter> cv::getMorphologyColumnFilter(int op, int type, int ksize, int anchor)
{
int depth = CV_MAT_DEPTH(type);
if( anchor < 0 )
anchor = ksize/2;
CV_Assert( op == MORPH_ERODE || op == MORPH_DILATE );
if( op == MORPH_ERODE )
{
if( depth == CV_8U )
return makePtr<MorphColumnFilter<MinOp<uchar>,
ErodeColumnVec8u> >(ksize, anchor);
if( depth == CV_16U )
return makePtr<MorphColumnFilter<MinOp<ushort>,
ErodeColumnVec16u> >(ksize, anchor);
if( depth == CV_16S )
return makePtr<MorphColumnFilter<MinOp<short>,
ErodeColumnVec16s> >(ksize, anchor);
if( depth == CV_32F )
return makePtr<MorphColumnFilter<MinOp<float>,
ErodeColumnVec32f> >(ksize, anchor);
if( depth == CV_64F )
return makePtr<MorphColumnFilter<MinOp<double>,
ErodeColumnVec64f> >(ksize, anchor);
}
else
{
if( depth == CV_8U )
return makePtr<MorphColumnFilter<MaxOp<uchar>,
DilateColumnVec8u> >(ksize, anchor);
if( depth == CV_16U )
return makePtr<MorphColumnFilter<MaxOp<ushort>,
DilateColumnVec16u> >(ksize, anchor);
if( depth == CV_16S )
return makePtr<MorphColumnFilter<MaxOp<short>,
DilateColumnVec16s> >(ksize, anchor);
if( depth == CV_32F )
return makePtr<MorphColumnFilter<MaxOp<float>,
DilateColumnVec32f> >(ksize, anchor);
if( depth == CV_64F )
return makePtr<MorphColumnFilter<MaxOp<double>,
DilateColumnVec64f> >(ksize, anchor);
}
CV_Error_( CV_StsNotImplemented, ("Unsupported data type (=%d)", type));
return Ptr<BaseColumnFilter>();
}
cv::Ptr<cv::BaseFilter> cv::getMorphologyFilter(int op, int type, InputArray _kernel, Point anchor)
{
Mat kernel = _kernel.getMat();
int depth = CV_MAT_DEPTH(type);
anchor = normalizeAnchor(anchor, kernel.size());
CV_Assert( op == MORPH_ERODE || op == MORPH_DILATE );
if( op == MORPH_ERODE )
{
if( depth == CV_8U )
return makePtr<MorphFilter<MinOp<uchar>, ErodeVec8u> >(kernel, anchor);
if( depth == CV_16U )
return makePtr<MorphFilter<MinOp<ushort>, ErodeVec16u> >(kernel, anchor);
if( depth == CV_16S )
return makePtr<MorphFilter<MinOp<short>, ErodeVec16s> >(kernel, anchor);
if( depth == CV_32F )
return makePtr<MorphFilter<MinOp<float>, ErodeVec32f> >(kernel, anchor);
if( depth == CV_64F )
return makePtr<MorphFilter<MinOp<double>, ErodeVec64f> >(kernel, anchor);
}
else
{
if( depth == CV_8U )
return makePtr<MorphFilter<MaxOp<uchar>, DilateVec8u> >(kernel, anchor);
if( depth == CV_16U )
return makePtr<MorphFilter<MaxOp<ushort>, DilateVec16u> >(kernel, anchor);
if( depth == CV_16S )
return makePtr<MorphFilter<MaxOp<short>, DilateVec16s> >(kernel, anchor);
if( depth == CV_32F )
return makePtr<MorphFilter<MaxOp<float>, DilateVec32f> >(kernel, anchor);
if( depth == CV_64F )
return makePtr<MorphFilter<MaxOp<double>, DilateVec64f> >(kernel, anchor);
}
CV_Error_( CV_StsNotImplemented, ("Unsupported data type (=%d)", type));
return Ptr<BaseFilter>();
}
cv::Ptr<cv::FilterEngine> cv::createMorphologyFilter( int op, int type, InputArray _kernel,
Point anchor, int _rowBorderType, int _columnBorderType,
const Scalar& _borderValue )
{
Mat kernel = _kernel.getMat();
anchor = normalizeAnchor(anchor, kernel.size());
Ptr<BaseRowFilter> rowFilter;
Ptr<BaseColumnFilter> columnFilter;
Ptr<BaseFilter> filter2D;
if( countNonZero(kernel) == kernel.rows*kernel.cols )
{
// rectangular structuring element
rowFilter = getMorphologyRowFilter(op, type, kernel.cols, anchor.x);
columnFilter = getMorphologyColumnFilter(op, type, kernel.rows, anchor.y);
}
else
filter2D = getMorphologyFilter(op, type, kernel, anchor);
Scalar borderValue = _borderValue;