/*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. // // // Intel License Agreement // For Open Source Computer Vision Library // // Copyright (C) 2000, Intel Corporation, 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 Intel Corporation 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 "_cv.h" #include #include #define IPCV_MORPHOLOGY_PTRS( morphtype, flavor ) \ icv##morphtype##Rect_##flavor##_C1R_t \ icv##morphtype##Rect_##flavor##_C1R_p = 0; \ icv##morphtype##Rect_GetBufSize_##flavor##_C1R_t \ icv##morphtype##Rect_GetBufSize_##flavor##_C1R_p = 0; \ icv##morphtype##Rect_##flavor##_C3R_t \ icv##morphtype##Rect_##flavor##_C3R_p = 0; \ icv##morphtype##Rect_GetBufSize_##flavor##_C3R_t \ icv##morphtype##Rect_GetBufSize_##flavor##_C3R_p = 0; \ icv##morphtype##Rect_##flavor##_C4R_t \ icv##morphtype##Rect_##flavor##_C4R_p = 0; \ icv##morphtype##Rect_GetBufSize_##flavor##_C4R_t \ icv##morphtype##Rect_GetBufSize_##flavor##_C4R_p = 0; \ \ icv##morphtype##_##flavor##_C1R_t \ icv##morphtype##_##flavor##_C1R_p = 0; \ icv##morphtype##_##flavor##_C3R_t \ icv##morphtype##_##flavor##_C3R_p = 0; \ icv##morphtype##_##flavor##_C4R_t \ icv##morphtype##_##flavor##_C4R_p = 0; #define IPCV_MORPHOLOGY_INITALLOC_PTRS( flavor ) \ icvMorphInitAlloc_##flavor##_C1R_t \ icvMorphInitAlloc_##flavor##_C1R_p = 0; \ icvMorphInitAlloc_##flavor##_C3R_t \ icvMorphInitAlloc_##flavor##_C3R_p = 0; \ icvMorphInitAlloc_##flavor##_C4R_t \ icvMorphInitAlloc_##flavor##_C4R_p = 0; IPCV_MORPHOLOGY_PTRS( Erode, 8u ) IPCV_MORPHOLOGY_PTRS( Erode, 16u ) IPCV_MORPHOLOGY_PTRS( Erode, 32f ) IPCV_MORPHOLOGY_PTRS( Dilate, 8u ) IPCV_MORPHOLOGY_PTRS( Dilate, 16u ) IPCV_MORPHOLOGY_PTRS( Dilate, 32f ) IPCV_MORPHOLOGY_INITALLOC_PTRS( 8u ) IPCV_MORPHOLOGY_INITALLOC_PTRS( 16u ) IPCV_MORPHOLOGY_INITALLOC_PTRS( 32f ) icvMorphFree_t icvMorphFree_p = 0; /****************************************************************************************\ Basic Morphological Operations: Erosion & Dilation \****************************************************************************************/ static void icvErodeRectRow_8u( const uchar* src, uchar* dst, void* params ); static void icvErodeRectRow_16u( const ushort* src, ushort* dst, void* params ); static void icvErodeRectRow_32f( const int* src, int* dst, void* params ); static void icvDilateRectRow_8u( const uchar* src, uchar* dst, void* params ); static void icvDilateRectRow_16u( const ushort* src, ushort* dst, void* params ); static void icvDilateRectRow_32f( const int* src, int* dst, void* params ); static void icvErodeRectCol_8u( const uchar** src, uchar* dst, int dst_step, int count, void* params ); static void icvErodeRectCol_16u( const ushort** src, ushort* dst, int dst_step, int count, void* params ); static void icvErodeRectCol_32f( const int** src, int* dst, int dst_step, int count, void* params ); static void icvDilateRectCol_8u( const uchar** src, uchar* dst, int dst_step, int count, void* params ); static void icvDilateRectCol_16u( const ushort** src, ushort* dst, int dst_step, int count, void* params ); static void icvDilateRectCol_32f( const int** src, int* dst, int dst_step, int count, void* params ); static void icvErodeAny_8u( const uchar** src, uchar* dst, int dst_step, int count, void* params ); static void icvErodeAny_16u( const ushort** src, ushort* dst, int dst_step, int count, void* params ); static void icvErodeAny_32f( const int** src, int* dst, int dst_step, int count, void* params ); static void icvDilateAny_8u( const uchar** src, uchar* dst, int dst_step, int count, void* params ); static void icvDilateAny_16u( const ushort** src, ushort* dst, int dst_step, int count, void* params ); static void icvDilateAny_32f( const int** src, int* dst, int dst_step, int count, void* params ); CvMorphology::CvMorphology() { element = 0; el_sparse = 0; } CvMorphology::CvMorphology( int _operation, int _max_width, int _src_dst_type, int _element_shape, CvMat* _element, CvSize _ksize, CvPoint _anchor, int _border_mode, CvScalar _border_value ) { element = 0; el_sparse = 0; init( _operation, _max_width, _src_dst_type, _element_shape, _element, _ksize, _anchor, _border_mode, _border_value ); } void CvMorphology::clear() { cvReleaseMat( &element ); cvFree( &el_sparse ); CvBaseImageFilter::clear(); } CvMorphology::~CvMorphology() { clear(); } void CvMorphology::init( int _operation, int _max_width, int _src_dst_type, int _element_shape, CvMat* _element, CvSize _ksize, CvPoint _anchor, int _border_mode, CvScalar _border_value ) { CV_FUNCNAME( "CvMorphology::init" ); __BEGIN__; int depth = CV_MAT_DEPTH(_src_dst_type); int el_type = 0, nz = -1; if( _operation != ERODE && _operation != DILATE ) CV_ERROR( CV_StsBadArg, "Unknown/unsupported morphological operation" ); if( _element_shape == CUSTOM ) { if( !CV_IS_MAT(_element) ) CV_ERROR( CV_StsBadArg, "structuring element should be valid matrix if CUSTOM element shape is specified" ); el_type = CV_MAT_TYPE(_element->type); if( el_type != CV_8UC1 && el_type != CV_32SC1 ) CV_ERROR( CV_StsUnsupportedFormat, "the structuring element must have 8uC1 or 32sC1 type" ); _ksize = cvGetMatSize(_element); CV_CALL( nz = cvCountNonZero(_element)); if( nz == _ksize.width*_ksize.height ) _element_shape = RECT; } operation = _operation; el_shape = _element_shape; CV_CALL( CvBaseImageFilter::init( _max_width, _src_dst_type, _src_dst_type, _element_shape == RECT, _ksize, _anchor, _border_mode, _border_value )); if( el_shape == RECT ) { if( operation == ERODE ) { if( depth == CV_8U ) x_func = (CvRowFilterFunc)icvErodeRectRow_8u, y_func = (CvColumnFilterFunc)icvErodeRectCol_8u; else if( depth == CV_16U ) x_func = (CvRowFilterFunc)icvErodeRectRow_16u, y_func = (CvColumnFilterFunc)icvErodeRectCol_16u; else if( depth == CV_32F ) x_func = (CvRowFilterFunc)icvErodeRectRow_32f, y_func = (CvColumnFilterFunc)icvErodeRectCol_32f; } else { assert( operation == DILATE ); if( depth == CV_8U ) x_func = (CvRowFilterFunc)icvDilateRectRow_8u, y_func = (CvColumnFilterFunc)icvDilateRectCol_8u; else if( depth == CV_16U ) x_func = (CvRowFilterFunc)icvDilateRectRow_16u, y_func = (CvColumnFilterFunc)icvDilateRectCol_16u; else if( depth == CV_32F ) x_func = (CvRowFilterFunc)icvDilateRectRow_32f, y_func = (CvColumnFilterFunc)icvDilateRectCol_32f; } } else { int i, j, k = 0; int cn = CV_MAT_CN(src_type); CvPoint* nz_loc; if( !(element && el_sparse && _ksize.width == element->cols && _ksize.height == element->rows) ) { cvReleaseMat( &element ); cvFree( &el_sparse ); CV_CALL( element = cvCreateMat( _ksize.height, _ksize.width, CV_8UC1 )); CV_CALL( el_sparse = (uchar*)cvAlloc( ksize.width*ksize.height*(2*sizeof(int) + sizeof(uchar*)))); } if( el_shape == CUSTOM ) { CV_CALL( cvConvert( _element, element )); } else { CV_CALL( init_binary_element( element, el_shape, anchor )); } if( operation == ERODE ) { if( depth == CV_8U ) y_func = (CvColumnFilterFunc)icvErodeAny_8u; else if( depth == CV_16U ) y_func = (CvColumnFilterFunc)icvErodeAny_16u; else if( depth == CV_32F ) y_func = (CvColumnFilterFunc)icvErodeAny_32f; } else { assert( operation == DILATE ); if( depth == CV_8U ) y_func = (CvColumnFilterFunc)icvDilateAny_8u; else if( depth == CV_16U ) y_func = (CvColumnFilterFunc)icvDilateAny_16u; else if( depth == CV_32F ) y_func = (CvColumnFilterFunc)icvDilateAny_32f; } nz_loc = (CvPoint*)el_sparse; for( i = 0; i < ksize.height; i++ ) for( j = 0; j < ksize.width; j++ ) { if( element->data.ptr[i*element->step+j] ) nz_loc[k++] = cvPoint(j*cn,i); } if( k == 0 ) nz_loc[k++] = cvPoint(anchor.x*cn,anchor.y); el_sparse_count = k; } if( depth == CV_32F && border_mode == IPL_BORDER_CONSTANT ) { int i, cn = CV_MAT_CN(src_type); int* bt = (int*)border_tab; for( i = 0; i < cn; i++ ) bt[i] = CV_TOGGLE_FLT(bt[i]); } __END__; } void CvMorphology::init( int _max_width, int _src_type, int _dst_type, bool _is_separable, CvSize _ksize, CvPoint _anchor, int _border_mode, CvScalar _border_value ) { CvBaseImageFilter::init( _max_width, _src_type, _dst_type, _is_separable, _ksize, _anchor, _border_mode, _border_value ); } void CvMorphology::start_process( CvSlice x_range, int width ) { CvBaseImageFilter::start_process( x_range, width ); if( el_shape == RECT ) { // cut the cyclic buffer off by 1 line if need, to make // the vertical part of separable morphological filter // always process 2 rows at once (except, may be, // for the last one in a stripe). int t = buf_max_count - max_ky*2; if( t > 1 && t % 2 != 0 ) { buf_max_count--; buf_end -= buf_step; } } } int CvMorphology::fill_cyclic_buffer( const uchar* src, int src_step, int y0, int y1, int y2 ) { int i, y = y0, bsz1 = border_tab_sz1, bsz = border_tab_sz; int pix_size = CV_ELEM_SIZE(src_type); int width_n = (prev_x_range.end_index - prev_x_range.start_index)*pix_size; if( CV_MAT_DEPTH(src_type) != CV_32F ) return CvBaseImageFilter::fill_cyclic_buffer( src, src_step, y0, y1, y2 ); // fill the cyclic buffer for( ; buf_count < buf_max_count && y < y2; buf_count++, y++, src += src_step ) { uchar* trow = is_separable ? buf_end : buf_tail; for( i = 0; i < width_n; i += sizeof(int) ) { int t = *(int*)(src + i); *(int*)(trow + i + bsz1) = CV_TOGGLE_FLT(t); } if( border_mode != IPL_BORDER_CONSTANT ) { for( i = 0; i < bsz1; i++ ) { int j = border_tab[i]; trow[i] = trow[j]; } for( ; i < bsz; i++ ) { int j = border_tab[i]; trow[i + width_n] = trow[j]; } } else { const uchar *bt = (uchar*)border_tab; for( i = 0; i < bsz1; i++ ) trow[i] = bt[i]; for( ; i < bsz; i++ ) trow[i + width_n] = bt[i]; } if( is_separable ) x_func( trow, buf_tail, this ); buf_tail += buf_step; if( buf_tail >= buf_end ) buf_tail = buf_start; } return y - y0; } void CvMorphology::init_binary_element( CvMat* element, int element_shape, CvPoint anchor ) { CV_FUNCNAME( "CvMorphology::init_binary_element" ); __BEGIN__; int type; int i, j, cols, rows; int r = 0, c = 0; double inv_r2 = 0; if( !CV_IS_MAT(element) ) CV_ERROR( CV_StsBadArg, "element must be valid matrix" ); type = CV_MAT_TYPE(element->type); if( type != CV_8UC1 && type != CV_32SC1 ) CV_ERROR( CV_StsUnsupportedFormat, "element must have 8uC1 or 32sC1 type" ); if( anchor.x == -1 ) anchor.x = element->cols/2; if( anchor.y == -1 ) anchor.y = element->rows/2; if( (unsigned)anchor.x >= (unsigned)element->cols || (unsigned)anchor.y >= (unsigned)element->rows ) CV_ERROR( CV_StsOutOfRange, "anchor is outside of element" ); if( element_shape != RECT && element_shape != CROSS && element_shape != ELLIPSE ) CV_ERROR( CV_StsBadArg, "Unknown/unsupported element shape" ); rows = element->rows; cols = element->cols; if( rows == 1 || cols == 1 ) element_shape = RECT; if( element_shape == ELLIPSE ) { r = rows/2; c = cols/2; inv_r2 = r ? 1./((double)r*r) : 0; } for( i = 0; i < rows; i++ ) { uchar* ptr = element->data.ptr + i*element->step; int j1 = 0, j2 = 0, jx, t = 0; if( element_shape == RECT || (element_shape == CROSS && i == anchor.y) ) j2 = cols; else if( element_shape == CROSS ) j1 = anchor.x, j2 = j1 + 1; else { int dy = i - r; if( abs(dy) <= r ) { int dx = cvRound(c*sqrt(((double)r*r - dy*dy)*inv_r2)); j1 = MAX( c - dx, 0 ); j2 = MIN( c + dx + 1, cols ); } } for( j = 0, jx = j1; j < cols; ) { for( ; j < jx; j++ ) { if( type == CV_8UC1 ) ptr[j] = (uchar)t; else ((int*)ptr)[j] = t; } if( jx == j2 ) jx = cols, t = 0; else jx = j2, t = 1; } } __END__; } #define ICV_MORPH_RECT_ROW( name, flavor, arrtype, \ worktype, update_extr_macro ) \ static void \ icv##name##RectRow_##flavor( const arrtype* src, \ arrtype* dst, void* params ) \ { \ const CvMorphology* state = (const CvMorphology*)params;\ int ksize = state->get_kernel_size().width; \ int width = state->get_width(); \ int cn = CV_MAT_CN(state->get_src_type()); \ int i, j, k; \ \ width *= cn; ksize *= cn; \ \ if( ksize == cn ) \ { \ for( i = 0; i < width; i++ ) \ dst[i] = src[i]; \ return; \ } \ \ for( k = 0; k < cn; k++, src++, dst++ ) \ { \ for( i = 0; i <= width - cn*2; i += cn*2 ) \ { \ const arrtype* s = src + i; \ worktype m = s[cn], t; \ for( j = cn*2; j < ksize; j += cn ) \ { \ t = s[j]; update_extr_macro(m,t); \ } \ t = s[0]; update_extr_macro(t,m); \ dst[i] = (arrtype)t; \ t = s[j]; update_extr_macro(t,m); \ dst[i+cn] = (arrtype)t; \ } \ \ for( ; i < width; i += cn ) \ { \ const arrtype* s = src + i; \ worktype m = s[0], t; \ for( j = cn; j < ksize; j += cn ) \ { \ t = s[j]; update_extr_macro(m,t); \ } \ dst[i] = (arrtype)m; \ } \ } \ } ICV_MORPH_RECT_ROW( Erode, 8u, uchar, int, CV_CALC_MIN_8U ) ICV_MORPH_RECT_ROW( Dilate, 8u, uchar, int, CV_CALC_MAX_8U ) ICV_MORPH_RECT_ROW( Erode, 16u, ushort, int, CV_CALC_MIN ) ICV_MORPH_RECT_ROW( Dilate, 16u, ushort, int, CV_CALC_MAX ) ICV_MORPH_RECT_ROW( Erode, 32f, int, int, CV_CALC_MIN ) ICV_MORPH_RECT_ROW( Dilate, 32f, int, int, CV_CALC_MAX ) #define ICV_MORPH_RECT_COL( name, flavor, arrtype, \ worktype, update_extr_macro, toggle_macro ) \ static void \ icv##name##RectCol_##flavor( const arrtype** src, \ arrtype* dst, int dst_step, int count, void* params ) \ { \ const CvMorphology* state = (const CvMorphology*)params;\ int ksize = state->get_kernel_size().height; \ int width = state->get_width(); \ int cn = CV_MAT_CN(state->get_src_type()); \ int i, k; \ \ width *= cn; \ dst_step /= sizeof(dst[0]); \ \ for( ; ksize > 1 && count > 1; count -= 2, \ dst += dst_step*2, src += 2 ) \ { \ for( i = 0; i <= width - 4; i += 4 ) \ { \ const arrtype* sptr = src[1] + i; \ worktype s0 = sptr[0], s1 = sptr[1], \ s2 = sptr[2], s3 = sptr[3], t0, t1; \ \ for( k = 2; k < ksize; k++ ) \ { \ sptr = src[k] + i; \ t0 = sptr[0]; t1 = sptr[1]; \ update_extr_macro(s0,t0); \ update_extr_macro(s1,t1); \ t0 = sptr[2]; t1 = sptr[3]; \ update_extr_macro(s2,t0); \ update_extr_macro(s3,t1); \ } \ \ sptr = src[0] + i; \ t0 = sptr[0]; t1 = sptr[1]; \ update_extr_macro(t0,s0); \ update_extr_macro(t1,s1); \ dst[i] = (arrtype)toggle_macro(t0); \ dst[i+1] = (arrtype)toggle_macro(t1); \ t0 = sptr[2]; t1 = sptr[3]; \ update_extr_macro(t0,s2); \ update_extr_macro(t1,s3); \ dst[i+2] = (arrtype)toggle_macro(t0); \ dst[i+3] = (arrtype)toggle_macro(t1); \ \ sptr = src[k] + i; \ t0 = sptr[0]; t1 = sptr[1]; \ update_extr_macro(t0,s0); \ update_extr_macro(t1,s1); \ dst[i+dst_step] = (arrtype)toggle_macro(t0); \ dst[i+dst_step+1] = (arrtype)toggle_macro(t1); \ t0 = sptr[2]; t1 = sptr[3]; \ update_extr_macro(t0,s2); \ update_extr_macro(t1,s3); \ dst[i+dst_step+2] = (arrtype)toggle_macro(t0); \ dst[i+dst_step+3] = (arrtype)toggle_macro(t1); \ } \ \ for( ; i < width; i++ ) \ { \ const arrtype* sptr = src[1] + i; \ worktype s0 = sptr[0], t0; \ \ for( k = 2; k < ksize; k++ ) \ { \ sptr = src[k] + i; t0 = sptr[0]; \ update_extr_macro(s0,t0); \ } \ \ sptr = src[0] + i; t0 = sptr[0]; \ update_extr_macro(t0,s0); \ dst[i] = (arrtype)toggle_macro(t0); \ \ sptr = src[k] + i; t0 = sptr[0]; \ update_extr_macro(t0,s0); \ dst[i+dst_step] = (arrtype)toggle_macro(t0); \ } \ } \ \ for( ; count > 0; count--, dst += dst_step, src++ ) \ { \ for( i = 0; i <= width - 4; i += 4 ) \ { \ const arrtype* sptr = src[0] + i; \ worktype s0 = sptr[0], s1 = sptr[1], \ s2 = sptr[2], s3 = sptr[3], t0, t1; \ \ for( k = 1; k < ksize; k++ ) \ { \ sptr = src[k] + i; \ t0 = sptr[0]; t1 = sptr[1]; \ update_extr_macro(s0,t0); \ update_extr_macro(s1,t1); \ t0 = sptr[2]; t1 = sptr[3]; \ update_extr_macro(s2,t0); \ update_extr_macro(s3,t1); \ } \ dst[i] = (arrtype)toggle_macro(s0); \ dst[i+1] = (arrtype)toggle_macro(s1); \ dst[i+2] = (arrtype)toggle_macro(s2); \ dst[i+3] = (arrtype)toggle_macro(s3); \ } \ \ for( ; i < width; i++ ) \ { \ const arrtype* sptr = src[0] + i; \ worktype s0 = sptr[0], t0; \ \ for( k = 1; k < ksize; k++ ) \ { \ sptr = src[k] + i; t0 = sptr[0]; \ update_extr_macro(s0,t0); \ } \ dst[i] = (arrtype)toggle_macro(s0); \ } \ } \ } ICV_MORPH_RECT_COL( Erode, 8u, uchar, int, CV_CALC_MIN_8U, CV_NOP ) ICV_MORPH_RECT_COL( Dilate, 8u, uchar, int, CV_CALC_MAX_8U, CV_NOP ) ICV_MORPH_RECT_COL( Erode, 16u, ushort, int, CV_CALC_MIN, CV_NOP ) ICV_MORPH_RECT_COL( Dilate, 16u, ushort, int, CV_CALC_MAX, CV_NOP ) ICV_MORPH_RECT_COL( Erode, 32f, int, int, CV_CALC_MIN, CV_TOGGLE_FLT ) ICV_MORPH_RECT_COL( Dilate, 32f, int, int, CV_CALC_MAX, CV_TOGGLE_FLT ) #define ICV_MORPH_ANY( name, flavor, arrtype, worktype, \ update_extr_macro, toggle_macro ) \ static void \ icv##name##Any_##flavor( const arrtype** src, arrtype* dst, \ int dst_step, int count, void* params ) \ { \ CvMorphology* state = (CvMorphology*)params; \ int width = state->get_width(); \ int cn = CV_MAT_CN(state->get_src_type()); \ int i, k; \ CvPoint* el_sparse = (CvPoint*)state->get_element_sparse_buf();\ int el_count = state->get_element_sparse_count(); \ const arrtype** el_ptr = (const arrtype**)(el_sparse + el_count);\ const arrtype** el_end = el_ptr + el_count; \ \ width *= cn; \ dst_step /= sizeof(dst[0]); \ \ for( ; count > 0; count--, dst += dst_step, src++ ) \ { \ for( k = 0; k < el_count; k++ ) \ el_ptr[k] = src[el_sparse[k].y]+el_sparse[k].x; \ \ for( i = 0; i <= width - 4; i += 4 ) \ { \ const arrtype** psptr = el_ptr; \ const arrtype* sptr = *psptr++; \ worktype s0 = sptr[i], s1 = sptr[i+1], \ s2 = sptr[i+2], s3 = sptr[i+3], t; \ \ while( psptr != el_end ) \ { \ sptr = *psptr++; \ t = sptr[i]; \ update_extr_macro(s0,t); \ t = sptr[i+1]; \ update_extr_macro(s1,t); \ t = sptr[i+2]; \ update_extr_macro(s2,t); \ t = sptr[i+3]; \ update_extr_macro(s3,t); \ } \ \ dst[i] = (arrtype)toggle_macro(s0); \ dst[i+1] = (arrtype)toggle_macro(s1); \ dst[i+2] = (arrtype)toggle_macro(s2); \ dst[i+3] = (arrtype)toggle_macro(s3); \ } \ \ for( ; i < width; i++ ) \ { \ const arrtype* sptr = el_ptr[0] + i; \ worktype s0 = sptr[0], t0; \ \ for( k = 1; k < el_count; k++ ) \ { \ sptr = el_ptr[k] + i; \ t0 = sptr[0]; \ update_extr_macro(s0,t0); \ } \ \ dst[i] = (arrtype)toggle_macro(s0); \ } \ } \ } ICV_MORPH_ANY( Erode, 8u, uchar, int, CV_CALC_MIN, CV_NOP ) ICV_MORPH_ANY( Dilate, 8u, uchar, int, CV_CALC_MAX, CV_NOP ) ICV_MORPH_ANY( Erode, 16u, ushort, int, CV_CALC_MIN, CV_NOP ) ICV_MORPH_ANY( Dilate, 16u, ushort, int, CV_CALC_MAX, CV_NOP ) ICV_MORPH_ANY( Erode, 32f, int, int, CV_CALC_MIN, CV_TOGGLE_FLT ) ICV_MORPH_ANY( Dilate, 32f, int, int, CV_CALC_MAX, CV_TOGGLE_FLT ) /////////////////////////////////// External Interface ///////////////////////////////////// CV_IMPL IplConvKernel * cvCreateStructuringElementEx( int cols, int rows, int anchorX, int anchorY, int shape, int *values ) { IplConvKernel *element = 0; int i, size = rows * cols; int element_size = sizeof(*element) + size*sizeof(element->values[0]); CV_FUNCNAME( "cvCreateStructuringElementEx" ); __BEGIN__; if( !values && shape == CV_SHAPE_CUSTOM ) CV_ERROR_FROM_STATUS( CV_NULLPTR_ERR ); if( cols <= 0 || rows <= 0 || (unsigned) anchorX >= (unsigned) cols || (unsigned) anchorY >= (unsigned) rows ) CV_ERROR_FROM_STATUS( CV_BADSIZE_ERR ); CV_CALL( element = (IplConvKernel *)cvAlloc(element_size + 32)); if( !element ) CV_ERROR_FROM_STATUS( CV_OUTOFMEM_ERR ); element->nCols = cols; element->nRows = rows; element->anchorX = anchorX; element->anchorY = anchorY; element->nShiftR = shape < CV_SHAPE_ELLIPSE ? shape : CV_SHAPE_CUSTOM; element->values = (int*)(element + 1); if( shape == CV_SHAPE_CUSTOM ) { if( !values ) CV_ERROR( CV_StsNullPtr, "Null pointer to the custom element mask" ); for( i = 0; i < size; i++ ) element->values[i] = values[i]; } else { CvMat el_hdr = cvMat( rows, cols, CV_32SC1, element->values ); CV_CALL( CvMorphology::init_binary_element(&el_hdr, shape, cvPoint(anchorX,anchorY))); } __END__; if( cvGetErrStatus() < 0 ) cvReleaseStructuringElement( &element ); return element; } CV_IMPL void cvReleaseStructuringElement( IplConvKernel ** element ) { CV_FUNCNAME( "cvReleaseStructuringElement" ); __BEGIN__; if( !element ) CV_ERROR( CV_StsNullPtr, "" ); cvFree( element ); __END__; } typedef CvStatus (CV_STDCALL * CvMorphRectGetBufSizeFunc_IPP) ( int width, CvSize el_size, int* bufsize ); typedef CvStatus (CV_STDCALL * CvMorphRectFunc_IPP) ( const void* src, int srcstep, void* dst, int dststep, CvSize roi, CvSize el_size, CvPoint el_anchor, void* buffer ); typedef CvStatus (CV_STDCALL * CvMorphCustomInitAllocFunc_IPP) ( int width, const uchar* element, CvSize el_size, CvPoint el_anchor, void** morphstate ); typedef CvStatus (CV_STDCALL * CvMorphCustomFunc_IPP) ( const void* src, int srcstep, void* dst, int dststep, CvSize roi, int bordertype, void* morphstate ); static void icvMorphOp( const void* srcarr, void* dstarr, IplConvKernel* element, int iterations, int mop ) { CvMorphology morphology; void* buffer = 0; int local_alloc = 0; void* morphstate = 0; CvMat* temp = 0; CV_FUNCNAME( "icvMorphOp" ); __BEGIN__; int i, coi1 = 0, coi2 = 0; CvMat srcstub, *src = (CvMat*)srcarr; CvMat dststub, *dst = (CvMat*)dstarr; CvMat el_hdr, *el = 0; CvSize size, el_size; CvPoint el_anchor; int el_shape; int type; bool inplace; if( !CV_IS_MAT(src) ) CV_CALL( src = cvGetMat( src, &srcstub, &coi1 )); if( src != &srcstub ) { srcstub = *src; src = &srcstub; } if( dstarr == srcarr ) dst = src; else { CV_CALL( dst = cvGetMat( dst, &dststub, &coi2 )); if( !CV_ARE_TYPES_EQ( src, dst )) CV_ERROR( CV_StsUnmatchedFormats, "" ); if( !CV_ARE_SIZES_EQ( src, dst )) CV_ERROR( CV_StsUnmatchedSizes, "" ); } if( dst != &dststub ) { dststub = *dst; dst = &dststub; } if( coi1 != 0 || coi2 != 0 ) CV_ERROR( CV_BadCOI, "" ); type = CV_MAT_TYPE( src->type ); size = cvGetMatSize( src ); inplace = src->data.ptr == dst->data.ptr; if( iterations == 0 || (element && element->nCols == 1 && element->nRows == 1)) { if( src->data.ptr != dst->data.ptr ) cvCopy( src, dst ); EXIT; } if( element ) { el_size = cvSize( element->nCols, element->nRows ); el_anchor = cvPoint( element->anchorX, element->anchorY ); el_shape = (int)(element->nShiftR); el_shape = el_shape < CV_SHAPE_CUSTOM ? el_shape : CV_SHAPE_CUSTOM; } else { el_size = cvSize(3,3); el_anchor = cvPoint(1,1); el_shape = CV_SHAPE_RECT; } if( el_shape == CV_SHAPE_RECT && iterations > 1 ) { el_size.width = 1 + (el_size.width-1)*iterations; el_size.height = 1 + (el_size.height-1)*iterations; el_anchor.x *= iterations; el_anchor.y *= iterations; iterations = 1; } if( el_shape == CV_SHAPE_RECT && icvErodeRect_GetBufSize_8u_C1R_p ) { CvMorphRectFunc_IPP rect_func = 0; CvMorphRectGetBufSizeFunc_IPP rect_getbufsize_func = 0; if( mop == 0 ) { if( type == CV_8UC1 ) rect_getbufsize_func = icvErodeRect_GetBufSize_8u_C1R_p, rect_func = icvErodeRect_8u_C1R_p; else if( type == CV_8UC3 ) rect_getbufsize_func = icvErodeRect_GetBufSize_8u_C3R_p, rect_func = icvErodeRect_8u_C3R_p; else if( type == CV_8UC4 ) rect_getbufsize_func = icvErodeRect_GetBufSize_8u_C4R_p, rect_func = icvErodeRect_8u_C4R_p; else if( type == CV_16UC1 ) rect_getbufsize_func = icvErodeRect_GetBufSize_16u_C1R_p, rect_func = icvErodeRect_16u_C1R_p; else if( type == CV_16UC3 ) rect_getbufsize_func = icvErodeRect_GetBufSize_16u_C3R_p, rect_func = icvErodeRect_16u_C3R_p; else if( type == CV_16UC4 ) rect_getbufsize_func = icvErodeRect_GetBufSize_16u_C4R_p, rect_func = icvErodeRect_16u_C4R_p; else if( type == CV_32FC1 ) rect_getbufsize_func = icvErodeRect_GetBufSize_32f_C1R_p, rect_func = icvErodeRect_32f_C1R_p; else if( type == CV_32FC3 ) rect_getbufsize_func = icvErodeRect_GetBufSize_32f_C3R_p, rect_func = icvErodeRect_32f_C3R_p; else if( type == CV_32FC4 ) rect_getbufsize_func = icvErodeRect_GetBufSize_32f_C4R_p, rect_func = icvErodeRect_32f_C4R_p; } else { if( type == CV_8UC1 ) rect_getbufsize_func = icvDilateRect_GetBufSize_8u_C1R_p, rect_func = icvDilateRect_8u_C1R_p; else if( type == CV_8UC3 ) rect_getbufsize_func = icvDilateRect_GetBufSize_8u_C3R_p, rect_func = icvDilateRect_8u_C3R_p; else if( type == CV_8UC4 ) rect_getbufsize_func = icvDilateRect_GetBufSize_8u_C4R_p, rect_func = icvDilateRect_8u_C4R_p; else if( type == CV_16UC1 ) rect_getbufsize_func = icvDilateRect_GetBufSize_16u_C1R_p, rect_func = icvDilateRect_16u_C1R_p; else if( type == CV_16UC3 ) rect_getbufsize_func = icvDilateRect_GetBufSize_16u_C3R_p, rect_func = icvDilateRect_16u_C3R_p; else if( type == CV_16UC4 ) rect_getbufsize_func = icvDilateRect_GetBufSize_16u_C4R_p, rect_func = icvDilateRect_16u_C4R_p; else if( type == CV_32FC1 ) rect_getbufsize_func = icvDilateRect_GetBufSize_32f_C1R_p, rect_func = icvDilateRect_32f_C1R_p; else if( type == CV_32FC3 ) rect_getbufsize_func = icvDilateRect_GetBufSize_32f_C3R_p, rect_func = icvDilateRect_32f_C3R_p; else if( type == CV_32FC4 ) rect_getbufsize_func = icvDilateRect_GetBufSize_32f_C4R_p, rect_func = icvDilateRect_32f_C4R_p; } if( rect_getbufsize_func && rect_func ) { int bufsize = 0; CvStatus status = rect_getbufsize_func( size.width, el_size, &bufsize ); if( status >= 0 && bufsize > 0 ) { if( bufsize < CV_MAX_LOCAL_SIZE ) { buffer = cvStackAlloc( bufsize ); local_alloc = 1; } else CV_CALL( buffer = cvAlloc( bufsize )); } if( status >= 0 ) { int src_step, dst_step = dst->step ? dst->step : CV_STUB_STEP; if( inplace ) { CV_CALL( temp = cvCloneMat( dst )); src = temp; } src_step = src->step ? src->step : CV_STUB_STEP; status = rect_func( src->data.ptr, src_step, dst->data.ptr, dst_step, size, el_size, el_anchor, buffer ); } if( status >= 0 ) EXIT; } } else if( el_shape == CV_SHAPE_CUSTOM && icvMorphInitAlloc_8u_C1R_p && icvMorphFree_p && src->data.ptr != dst->data.ptr ) { CvMorphCustomFunc_IPP custom_func = 0; CvMorphCustomInitAllocFunc_IPP custom_initalloc_func = 0; const int bordertype = 1; // replication border if( type == CV_8UC1 ) custom_initalloc_func = icvMorphInitAlloc_8u_C1R_p, custom_func = mop == 0 ? icvErode_8u_C1R_p : icvDilate_8u_C1R_p; else if( type == CV_8UC3 ) custom_initalloc_func = icvMorphInitAlloc_8u_C3R_p, custom_func = mop == 0 ? icvErode_8u_C3R_p : icvDilate_8u_C3R_p; else if( type == CV_8UC4 ) custom_initalloc_func = icvMorphInitAlloc_8u_C4R_p, custom_func = mop == 0 ? icvErode_8u_C4R_p : icvDilate_8u_C4R_p; else if( type == CV_16UC1 ) custom_initalloc_func = icvMorphInitAlloc_16u_C1R_p, custom_func = mop == 0 ? icvErode_16u_C1R_p : icvDilate_16u_C1R_p; else if( type == CV_16UC3 ) custom_initalloc_func = icvMorphInitAlloc_16u_C3R_p, custom_func = mop == 0 ? icvErode_16u_C3R_p : icvDilate_16u_C3R_p; else if( type == CV_16UC4 ) custom_initalloc_func = icvMorphInitAlloc_16u_C4R_p, custom_func = mop == 0 ? icvErode_16u_C4R_p : icvDilate_16u_C4R_p; else if( type == CV_32FC1 ) custom_initalloc_func = icvMorphInitAlloc_32f_C1R_p, custom_func = mop == 0 ? icvErode_32f_C1R_p : icvDilate_32f_C1R_p; else if( type == CV_32FC3 ) custom_initalloc_func = icvMorphInitAlloc_32f_C3R_p, custom_func = mop == 0 ? icvErode_32f_C3R_p : icvDilate_32f_C3R_p; else if( type == CV_32FC4 ) custom_initalloc_func = icvMorphInitAlloc_32f_C4R_p, custom_func = mop == 0 ? icvErode_32f_C4R_p : icvDilate_32f_C4R_p; if( custom_initalloc_func && custom_func ) { uchar *src_ptr, *dst_ptr = dst->data.ptr; int src_step, dst_step = dst->step ? dst->step : CV_STUB_STEP; int el_len = el_size.width*el_size.height; uchar* el_mask = (uchar*)cvStackAlloc( el_len ); CvStatus status; for( i = 0; i < el_len; i++ ) el_mask[i] = (uchar)(element->values[i] != 0); status = custom_initalloc_func( size.width, el_mask, el_size, el_anchor, &morphstate ); if( status >= 0 && (inplace || iterations > 1) ) { CV_CALL( temp = cvCloneMat( src )); src = temp; } src_ptr = src->data.ptr; src_step = src->step ? src->step : CV_STUB_STEP; for( i = 0; i < iterations && status >= 0 && morphstate; i++ ) { uchar* t_ptr; int t_step; status = custom_func( src_ptr, src_step, dst_ptr, dst_step, size, bordertype, morphstate ); CV_SWAP( src_ptr, dst_ptr, t_ptr ); CV_SWAP( src_step, dst_step, t_step ); if( i == 0 && temp ) { dst_ptr = temp->data.ptr; dst_step = temp->step ? temp->step : CV_STUB_STEP; } } if( status >= 0 ) { if( iterations % 2 == 0 ) cvCopy( temp, dst ); EXIT; } } } if( el_shape != CV_SHAPE_RECT ) { el_hdr = cvMat( element->nRows, element->nCols, CV_32SC1, element->values ); el = &el_hdr; el_shape = CV_SHAPE_CUSTOM; } CV_CALL( morphology.init( mop, src->cols, src->type, el_shape, el, el_size, el_anchor )); for( i = 0; i < iterations; i++ ) { CV_CALL( morphology.process( src, dst )); src = dst; } __END__; if( !local_alloc ) cvFree( &buffer ); if( morphstate ) icvMorphFree_p( morphstate ); cvReleaseMat( &temp ); } CV_IMPL void cvErode( const void* src, void* dst, IplConvKernel* element, int iterations ) { icvMorphOp( src, dst, element, iterations, 0 ); } CV_IMPL void cvDilate( const void* src, void* dst, IplConvKernel* element, int iterations ) { icvMorphOp( src, dst, element, iterations, 1 ); } CV_IMPL void cvMorphologyEx( const void* src, void* dst, void* temp, IplConvKernel* element, int op, int iterations ) { CV_FUNCNAME( "cvMorhologyEx" ); __BEGIN__; if( (op == CV_MOP_GRADIENT || ((op == CV_MOP_TOPHAT || op == CV_MOP_BLACKHAT) && src == dst)) && temp == 0 ) CV_ERROR( CV_HeaderIsNull, "temp image required" ); if( temp == src || temp == dst ) CV_ERROR( CV_HeaderIsNull, "temp image is equal to src or dst" ); switch (op) { case CV_MOP_OPEN: CV_CALL( cvErode( src, dst, element, iterations )); CV_CALL( cvDilate( dst, dst, element, iterations )); break; case CV_MOP_CLOSE: CV_CALL( cvDilate( src, dst, element, iterations )); CV_CALL( cvErode( dst, dst, element, iterations )); break; case CV_MOP_GRADIENT: CV_CALL( cvErode( src, temp, element, iterations )); CV_CALL( cvDilate( src, dst, element, iterations )); CV_CALL( cvSub( dst, temp, dst )); break; case CV_MOP_TOPHAT: if( src != dst ) temp = dst; CV_CALL( cvErode( src, temp, element, iterations )); CV_CALL( cvDilate( temp, temp, element, iterations )); CV_CALL( cvSub( src, temp, dst )); break; case CV_MOP_BLACKHAT: if( src != dst ) temp = dst; CV_CALL( cvDilate( src, temp, element, iterations )); CV_CALL( cvErode( temp, temp, element, iterations )); CV_CALL( cvSub( temp, src, dst )); break; default: CV_ERROR( CV_StsBadArg, "unknown morphological operation" ); } __END__; } /* End of file. */