本文整理汇总了C++中cvStartReadSeq函数的典型用法代码示例。如果您正苦于以下问题:C++ cvStartReadSeq函数的具体用法?C++ cvStartReadSeq怎么用?C++ cvStartReadSeq使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了cvStartReadSeq函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: findPairs
//Find all the matched points
void findPairs( const CvSeq* objectKeypoints,
const CvSeq* objectDescriptors,
const CvSeq* imageKeypoints,
const CvSeq* imageDescriptors,
std::vector<int>& ptpairs )
{
int i;
CvSeqReader reader, kreader;
cvStartReadSeq( objectKeypoints, &kreader );
cvStartReadSeq( objectDescriptors, &reader );
ptpairs.clear();
for( i = 0; i < objectDescriptors->total; i++ )
{
const CvSURFPoint* kp = (const CvSURFPoint*)kreader.ptr;
const float* descriptor = (const float*)reader.ptr;
CV_NEXT_SEQ_ELEM( kreader.seq->elem_size, kreader );
CV_NEXT_SEQ_ELEM( reader.seq->elem_size, reader );
int nearest_neighbor = naiveNearestNeighbor( descriptor,
kp->laplacian,
imageKeypoints,
imageDescriptors );
if( nearest_neighbor >= 0 )
{
ptpairs.push_back(i);
ptpairs.push_back(nearest_neighbor);
}
}
}
开发者ID:976717326,项目名称:visp,代码行数:30,代码来源:vpKeyPointSurf.cpp
示例2: findPairs
void
findPairs( const CvSeq* objectKeypoints, const CvSeq* objectDescriptors,
const CvSeq* imageKeypoints, const CvSeq* imageDescriptors, struct pairList * ptpairs )
{
CvSeqReader reader, kreader;
cvStartReadSeq( objectKeypoints, &kreader , 0 );
cvStartReadSeq( objectDescriptors, &reader , 0 );
struct pairList * pairs = initializePairList(ptpairs,objectDescriptors->total);
if (pairs==0) { fprintf(stderr,"Could not allocate enough memory for pointer pairs\n"); return ; }
int i;
for( i = 0; i < objectDescriptors->total; i++ )
{
const CvSURFPoint* kp = (const CvSURFPoint*)kreader.ptr;
const float* descriptor = (const float*)reader.ptr;
CV_NEXT_SEQ_ELEM( kreader.seq->elem_size, kreader );
CV_NEXT_SEQ_ELEM( reader.seq->elem_size, reader );
int nearest_neighbor = naiveNearestNeighbor( descriptor, kp->laplacian, imageKeypoints, imageDescriptors );
if( nearest_neighbor >= 0 )
{
pairs->item[i].p1 = i;
pairs->item[i].p2 = nearest_neighbor;
}
}
destroyPairList(&pairs);
}
开发者ID:AmmarkoV,项目名称:AdvancedImageSearch,代码行数:29,代码来源:findObjectsSURF.c
示例3: cvStartReadSeq
void CvFaceElement::Energy()
{
CvSeqReader reader, reader2;
cvStartReadSeq( m_seqRects, &reader );
for (int i = 0; i < m_seqRects->total; i++)
{
CvTrackingRect* pRect = (CvTrackingRect*)(reader.ptr);
// outside and inside rects
cvStartReadSeq( m_seqRects, &reader2 );
for (int j = 0; j < m_seqRects->total; j++)
{
CvTrackingRect* pRect2 = (CvTrackingRect*)(reader2.ptr);
if (i != j)
{
if (RectInRect(pRect2->r, pRect->r))
pRect->nRectsInThis ++;
else if (pRect2->r.y + pRect2->r.height <= pRect->r.y)
pRect->nRectsOnTop ++;
else if (pRect2->r.y >= pRect->r.y + pRect->r.height)
pRect->nRectsOnBottom ++;
else if (pRect2->r.x + pRect2->r.width <= pRect->r.x)
pRect->nRectsOnLeft ++;
else if (pRect2->r.x >= pRect->r.x + pRect->r.width)
pRect->nRectsOnRight ++;
}
CV_NEXT_SEQ_ELEM( sizeof(CvTrackingRect), reader2 );
}
// energy
pRect->Energy(m_trPrev);
CV_NEXT_SEQ_ELEM( sizeof(CvTrackingRect), reader );
}
}//void CvFaceElement::Energy()
开发者ID:406089450,项目名称:opencv,代码行数:32,代码来源:vecfacetracking.cpp
示例4: naiveNearestNeighbor
int
naiveNearestNeighbor( const float* vec, int laplacian,
const CvSeq* model_keypoints,
const CvSeq* model_descriptors )
{
int length = (int)(model_descriptors->elem_size/sizeof(float));
int i, neighbor = -1;
double d, dist1 = 1e6, dist2 = 1e6;
CvSeqReader reader, kreader;
cvStartReadSeq( model_keypoints, &kreader, 0 );
cvStartReadSeq( model_descriptors, &reader, 0 );
for( i = 0; i < model_descriptors->total; i++ )
{
const CvSURFPoint* kp = (const CvSURFPoint*)kreader.ptr;
const float* mvec = (const float*)reader.ptr;
CV_NEXT_SEQ_ELEM( kreader.seq->elem_size, kreader );
CV_NEXT_SEQ_ELEM( reader.seq->elem_size, reader );
if( laplacian != kp->laplacian )
continue;
d = compareSURFDescriptors( vec, mvec, dist2, length );
if( d < dist1 )
{
dist2 = dist1;
dist1 = d;
neighbor = i;
}
else if ( d < dist2 )
dist2 = d;
}
if ( dist1 < 0.6*dist2 )
return neighbor;
return -1;
}
开发者ID:AmmarkoV,项目名称:AdvancedImageSearch,代码行数:34,代码来源:findObjectsSURF.c
示例5: WriteProtocol
/**
* Write out a Protocol to YAML file, given an initialized CvFileStorage
*/
void WriteProtocol(Protocol* myP, CvFileStorage* fs){
if (fs==0){
printf("fs is zero! Could you have specified the wrong directory?\n");
return;
}
/** Write out Protocol **/
cvStartWriteStruct(fs,"Protocol",CV_NODE_MAP,NULL);
if (myP->Filename!=NULL) cvWriteString(fs,"Filename",myP->Filename);
if (myP->Description!=NULL) cvWriteString(fs,"Description",myP->Description);
cvStartWriteStruct(fs,"GridSize",CV_NODE_MAP,NULL);
cvWriteInt(fs,"height",myP->GridSize.height);
cvWriteInt(fs,"width",myP->GridSize.width);
cvEndWriteStruct(fs);
//printf("yo\n");
/** Write Out Steps **/
cvStartWriteStruct(fs,"Steps",CV_NODE_SEQ,NULL);
int j;
int jtot=myP->Steps->total;
CvSeqReader StepReader;
cvStartReadSeq(myP->Steps,&StepReader,0);
for (j = 0; j < jtot; ++j) {
//printf("About to write step number %d\n",j);
CvSeq** CurrentMontagePtr = (CvSeq**) StepReader.ptr;
CvSeq* CurrentMontage=*CurrentMontagePtr;
assert(CurrentMontage!=NULL);
// printf("ping\n");
// printf("CurrentMontage->total=%d",CurrentMontage->total);
cvStartWriteStruct(fs,NULL,CV_NODE_SEQ,NULL);
int k;
int ktot=CurrentMontage->total;
// printf("ktot=%d\n",ktot);
CvSeqReader MontageReader;
cvStartReadSeq(CurrentMontage,&MontageReader);
for (k = 0; k < ktot; ++k) {
// printf("About to write polygon number %d\n",k);
WormPolygon** CurrentPolygonPtr= (WormPolygon**) MontageReader.ptr;
WormPolygon* CurrentPolygon=*CurrentPolygonPtr;
cvWrite(fs,NULL,CurrentPolygon->Points);
CV_NEXT_SEQ_ELEM(CurrentMontage->elem_size,MontageReader);
}
CurrentMontagePtr=NULL;
CurrentMontage=NULL;
cvEndWriteStruct(fs);
/** Loop to Next Step **/
CV_NEXT_SEQ_ELEM(myP->Steps->elem_size,StepReader);
}
cvEndWriteStruct(fs);
cvEndWriteStruct(fs);
}
开发者ID:Sophrinix,项目名称:mindcontrol,代码行数:59,代码来源:IllumWormProtocol.c
示例6: VerifyProtocol
int VerifyProtocol(Protocol* p){
printf("\n\n========== VERIFYING PROTOCOL============\n");
if (p==NULL){
printf("Protocol is NULL\n");
return -1;
}
printf("Protocol description: %s\n", p->Description);
printf("Filename= %s\n",p->Filename);
printf("Total number of steps: p->Steps->total=%d\n",p->Steps->total);
CvSeqReader StepReader;
cvStartReadSeq(p->Steps, &StepReader,0);
int numsteps=p->Steps->total;
/** Let's loop through all of the steps **/
for (int i= 0; i< numsteps; ++i) {
printf("Step i=%d\n",i);
CvSeq* CurrMontage= *( (CvSeq**) StepReader.ptr);
printf("\tCurrMontage has %d polygons\n",CurrMontage->total);
int numPolygons=CurrMontage->total;
int j;
/** Let's loop through the polygons **/
CvSeqReader MontageReader;
cvStartReadSeq(CurrMontage, &MontageReader);
for (j = 0; j < numPolygons; ++j) {
WormPolygon* poly= *( (WormPolygon**) MontageReader.ptr );
int numpts=poly->Points->total;
printf(" numpts=%d\n",numpts);
//PrintPointsOfSeq(poly->Points);
CV_NEXT_SEQ_ELEM( CurrMontage->elem_size,MontageReader);
}
/** Progress to the next step **/
CV_NEXT_SEQ_ELEM( p->Steps->elem_size, StepReader );
}
printf("========================================\n");
return 0;
}
开发者ID:Sophrinix,项目名称:mindcontrol,代码行数:55,代码来源:IllumWormProtocol.c
示例7: matchingORB
void matchingORB(const CvSeq* sd, const CvSeq* id, std::vector<int> &pairs) {
int i, j, k, d1, d2, jj, dist, i_total, s_total;
unsigned char *i_ptr, *s_ptr;
CvSeqReader i_reader;
CvSeqReader s_reader;
i_total = id->total;
s_total = sd->total;
cvStartReadSeq(sd, &s_reader, 0);
s_ptr = (unsigned char*) s_reader.ptr;
for(i=0; i<s_total; i++) {
d1 = d2 = 0;
jj = -1;
cvStartReadSeq(id, &i_reader, 0);
i_ptr = (unsigned char*) i_reader.ptr;
for(j=0; j<i_total; j++) {
dist = 0;
for(k=0; k<32; k++)
dist += (s_ptr[k]==i_ptr[k]) ? 1 : 0;
if(dist>d1) {
d2 = d1;
d1 = dist;
jj = j;
}
else if(dist>d2)
d2 = dist;
CV_NEXT_SEQ_ELEM(i_reader.seq->elem_size, i_reader);
i_ptr = (unsigned char*) i_reader.ptr;
}
if((jj>=0) && (d2 < 0.7*d1)) {
pairs.push_back(i);
pairs.push_back(jj);
}
CV_NEXT_SEQ_ELEM(s_reader.seq->elem_size, s_reader);
s_ptr = (unsigned char*) s_reader.ptr;
}
}
开发者ID:Modasshir,项目名称:socrob-ros-pkg,代码行数:52,代码来源:matching.cpp
示例8: cvClearSubdivVoronoi2D
CV_IMPL void
cvClearSubdivVoronoi2D( CvSubdiv2D * subdiv )
{
int elem_size;
int i, total;
CvSeqReader reader;
CV_FUNCNAME( "cvClearVoronoi2D" );
__BEGIN__;
if( !subdiv )
CV_ERROR( CV_StsNullPtr, "" );
/* clear pointers to voronoi points */
total = subdiv->edges->total;
elem_size = subdiv->edges->elem_size;
cvStartReadSeq( (CvSeq *) (subdiv->edges), &reader, 0 );
for( i = 0; i < total; i++ )
{
CvQuadEdge2D *quadedge = (CvQuadEdge2D *) reader.ptr;
quadedge->pt[1] = quadedge->pt[3] = 0;
CV_NEXT_SEQ_ELEM( elem_size, reader );
}
/* remove voronoi points */
total = subdiv->total;
elem_size = subdiv->elem_size;
cvStartReadSeq( (CvSeq *) subdiv, &reader, 0 );
for( i = 0; i < total; i++ )
{
CvSubdiv2DPoint *pt = (CvSubdiv2DPoint *) reader.ptr;
/* check for virtual point. it is also check that the point exists */
if( pt->flags & CV_SUBDIV2D_VIRTUAL_POINT_FLAG )
{
cvSetRemoveByPtr( (CvSet*)subdiv, pt );
}
CV_NEXT_SEQ_ELEM( elem_size, reader );
}
subdiv->is_geometry_valid = 0;
__END__;
}
开发者ID:cybertk,项目名称:opencv,代码行数:51,代码来源:cvsubdivision2d.cpp
示例9: cvStartReadRawData
CV_IMPL void
cvStartReadRawData( const CvFileStorage* fs, const CvFileNode* src, CvSeqReader* reader )
{
int node_type;
CV_CHECK_FILE_STORAGE( fs );
if( !src || !reader )
CV_Error( CV_StsNullPtr, "Null pointer to source file node or reader" );
node_type = CV_NODE_TYPE(src->tag);
if( node_type == CV_NODE_INT || node_type == CV_NODE_REAL )
{
// emulate reading from 1-element sequence
reader->ptr = (schar*)src;
reader->block_max = reader->ptr + sizeof(*src)*2;
reader->block_min = reader->ptr;
reader->seq = 0;
}
else if( node_type == CV_NODE_SEQ )
{
cvStartReadSeq( src->data.seq, reader, 0 );
}
else if( node_type == CV_NODE_NONE )
{
memset( reader, 0, sizeof(*reader) );
}
else
CV_Error( CV_StsBadArg, "The file node should be a numerical scalar or a sequence" );
}
开发者ID:Achraf33,项目名称:opencv,代码行数:29,代码来源:persistence_c.cpp
示例10: cvStartReadChainPoints
CV_IMPL void
cvStartReadChainPoints( CvChain * chain, CvChainPtReader * reader )
{
int i;
CV_FUNCNAME( "cvStartReadChainPoints" );
__BEGIN__;
if( !chain || !reader )
CV_ERROR( CV_StsNullPtr, "" );
if( chain->elem_size != 1 || chain->header_size < (int)sizeof(CvChain))
CV_ERROR_FROM_STATUS( CV_BADSIZE_ERR );
cvStartReadSeq( (CvSeq *) chain, (CvSeqReader *) reader, 0 );
CV_CHECK();
reader->pt = chain->origin;
for( i = 0; i < 8; i++ )
{
reader->deltas[i][0] = (char) icvCodeDeltas[i].x;
reader->deltas[i][1] = (char) icvCodeDeltas[i].y;
}
__END__;
}
开发者ID:DORARA29,项目名称:AtomManipulator,代码行数:28,代码来源:cvcontours.cpp
示例11: drawSquares
// the function draws all the squares in the image
void drawSquares( IplImage* img, CvSeq* squares ) {
CvSeqReader reader;
IplImage* cpy = cvCloneImage( img );
int i;
// initialize reader of the sequence
cvStartReadSeq( squares, &reader, 0 );
// read 4 sequence elements at a time (all vertices of a square)
for( i = 0; i < squares->total; i += 4 ){
CvPoint* rect = pt;
int count = 4;
// read 4 vertices
memcpy( pt, reader.ptr, squares->elem_size );
CV_NEXT_SEQ_ELEM( squares->elem_size, reader );
memcpy( pt + 1, reader.ptr, squares->elem_size );
CV_NEXT_SEQ_ELEM( squares->elem_size, reader );
memcpy( pt + 2, reader.ptr, squares->elem_size );
CV_NEXT_SEQ_ELEM( squares->elem_size, reader );
memcpy( pt + 3, reader.ptr, squares->elem_size );
CV_NEXT_SEQ_ELEM( squares->elem_size, reader );
// draw the square as a closed polyline
cvPolyLine( cpy, &rect, &count, 1, 1, CV_RGB(0,255,0), 3, CV_AA, 0 );
if(i == 0){
sort_vertex(rect); //get the four vertex and sort them
break;
}
}
// show the resultant image
cvShowImage( wndname, cpy );
cvReleaseImage( &cpy );
}
开发者ID:guoqi1123,项目名称:ProjectionCompensation,代码行数:31,代码来源:rectangle.cpp
示例12: paint_voronoi
void paint_voronoi( CvSubdiv2D* subdiv, IplImage* img )
{
CvSeqReader reader;
int i, total = subdiv->edges->total;
int elem_size = subdiv->edges->elem_size;
cvCalcSubdivVoronoi2D( subdiv );
cvStartReadSeq( (CvSeq*)(subdiv->edges), &reader, 0 );
for( i = 0; i < total; i++ )
{
CvQuadEdge2D* edge = (CvQuadEdge2D*)(reader.ptr);
if( CV_IS_SET_ELEM( edge ))
{
CvSubdiv2DEdge e = (CvSubdiv2DEdge)edge;
// left
draw_subdiv_facet( img, cvSubdiv2DRotateEdge( e, 1 ));
// right
draw_subdiv_facet( img, cvSubdiv2DRotateEdge( e, 3 ));
}
CV_NEXT_SEQ_ELEM( elem_size, reader );
}
}
开发者ID:Ashwini7,项目名称:smart-python-programs,代码行数:27,代码来源:delaunay.c
示例13: cvStartReadSeq
/** Draws the identified Tetris pieces on the given image.
*/
void Camera::drawTetris( IplImage* img, CvSeq* tetrisPieces )
{
CvSeqReader reader;
int i;
// initialize reader of the sequence
cvStartReadSeq( tetrisPieces, &reader, 0 );
// read the pieces sequence elements at a time (all vertices of the piece)
for( i = 0; i < tetrisPieces->total; i += 6 )
{
CvPoint pt[6], *rect = pt;
int count = 6;
// read 6 vertices
CV_READ_SEQ_ELEM( pt[0], reader );
CV_READ_SEQ_ELEM( pt[1], reader );
CV_READ_SEQ_ELEM( pt[2], reader );
CV_READ_SEQ_ELEM( pt[3], reader );
CV_READ_SEQ_ELEM( pt[4], reader );
CV_READ_SEQ_ELEM( pt[5], reader );
// draw the piece as a closed polyline
cvPolyLine( img, &rect, &count, 1, 1, CV_RGB(255,0,0), 3, CV_AA, 0 );
}
return;
}
开发者ID:JackFan-Z,项目名称:MetroVision,代码行数:31,代码来源:camera.cpp
示例14: CV_FUNCNAME
void
Blob::copy_edges(const CvSeq* _edges)
{
CV_FUNCNAME( "Blob::copy_edges" );
__BEGIN__;
cvClearSeq(this->edges_);
//- copy the given sequence
CvSeqReader seq_reader;
CvSeqWriter seq_writer;
CvPoint current_edge;
int i;
CV_CALL( cvStartReadSeq( _edges, &seq_reader) );
CV_CALL( cvStartAppendToSeq( this->edges_, &seq_writer ) );
for( i = 0; i < _edges->total; i++)
{
CV_READ_SEQ_ELEM ( current_edge , seq_reader);
CV_WRITE_SEQ_ELEM( current_edge , seq_writer );
}
CV_CALL( cvEndWriteSeq( &seq_writer ) );
__END__;
__ISL_CHECK_ERROR__;
}
开发者ID:srgblnch,项目名称:ISL,代码行数:29,代码来源:Blob.cpp
示例15: icvSeqElemsClearMask
static void icvSeqElemsClearMask( CvSeq* seq, int offset, int clear_mask )
{
CV_FUNCNAME("icvStartScanGraph");
__BEGIN__;
CvSeqReader reader;
int i, total, elem_size;
if( !seq )
CV_ERROR_FROM_STATUS( CV_NULLPTR_ERR );
elem_size = seq->elem_size;
total = seq->total;
if( (unsigned)offset > (unsigned)elem_size )
CV_ERROR_FROM_STATUS( CV_BADARG_ERR );
CV_CALL( cvStartReadSeq( seq, &reader ));
for( i = 0; i < total; i++ )
{
int* flag_ptr = (int*)(reader.ptr + offset);
*flag_ptr &= ~clear_mask;
CV_NEXT_SEQ_ELEM( elem_size, reader );
}
__END__;
}
开发者ID:mikanradojevic,项目名称:sdkpub,代码行数:30,代码来源:cvgraphex.cpp
示例16: vpTRACE
std::list<int*>* vpKeyPointSurf::matchPoint(std::list<float*> descriptorList, std::list<int> laplacianList)
{
std::list<int*>* pairPoints = new std::list<int*>;
if(descriptorList.size() != laplacianList.size()){
vpTRACE("Error, the two lists have different number of element");
return pairPoints;
}
CvSeqReader reader;
cvStartReadSeq( ref_descriptors, &reader );
std::list<float*>::const_iterator descriptorListIter = descriptorList.begin();
std::list<int>::const_iterator laplacianListIter = laplacianList.begin();
descriptorList.front();
int indexList = 0;
while(descriptorListIter != descriptorList.end()){
float* descriptor = *descriptorListIter;
int nearest_neighbor = naiveNearestNeighbor( descriptor, *laplacianListIter, ref_keypoints, ref_descriptors);
if(nearest_neighbor >= 0){
int* tab;
tab = new int[2];
tab[0] = nearest_neighbor;
tab[1] = indexList;
pairPoints->push_back(tab);
}
indexList++;
++descriptorListIter;
++laplacianListIter;
}
return pairPoints;
}
开发者ID:976717326,项目名称:visp,代码行数:35,代码来源:vpKeyPointSurf.cpp
示例17: drawSquares
void drawSquares(IplImage* img, CvSeq* squares, PointMatrix &mat)
{
CvSeqReader reader;
IplImage* cpy = cvCloneImage(img);
cvStartReadSeq(squares, &reader, 0);
for (int i = 0; i < squares->total; i++) {
CvPoint pt[4], *rect = pt;
int count = 4;
CV_READ_SEQ_ELEM(pt[0], reader);
CV_READ_SEQ_ELEM(pt[1], reader);
CV_READ_SEQ_ELEM(pt[2], reader);
CV_READ_SEQ_ELEM(pt[3], reader);
cvLine(cpy, pt[0], pt[2], CV_RGB(0, 0, 0), 1);
cvLine(cpy, pt[1], pt[3], CV_RGB(255, 255, 0), 1);
MyCvPoint myCvPoint( (pt[0].x + pt[2].x) /2, (pt[1].y + pt[2].y)/2, img->width, img->height);
mat.AddMem(myCvPoint);
cvPolyLine(cpy, &rect, &count, 1, 1, CV_RGB(0, 255, 255), 1, 8, 0);
}
// cvShowImage("After Modify", cpy);
cvReleaseImage(&cpy);
}
开发者ID:corvofeng,项目名称:cube,代码行数:27,代码来源:Utils.cpp
示例18: operator
virtual void operator()(const cv::BlockedRange& range) const
{
#ifdef HAVE_TBB
tbb::spin_mutex::scoped_lock lock;
#endif
CvSeqReader reader;
int begin = range.begin();
int end = range.end();
int weak_count = end - begin;
CvDTree* tree;
for (int i=0; i<k; ++i)
{
float tmp_sum = 0.0f;
if ((weak[i]) && (weak_count))
{
cvStartReadSeq( weak[i], &reader );
cvSetSeqReaderPos( &reader, begin );
for (int j=0; j<weak_count; ++j)
{
CV_READ_SEQ_ELEM( tree, reader );
tmp_sum += shrinkage*(float)(tree->predict(sample, missing)->value);
}
}
#ifdef HAVE_TBB
lock.acquire(SumMutex);
sum[i] += tmp_sum;
lock.release();
#else
sum[i] += tmp_sum;
#endif
}
} // Tree_predictor::operator()
开发者ID:Rocky030,项目名称:opencv,代码行数:34,代码来源:gbt.cpp
示例19: matchPoint
/*!
\deprecated This method is deprecated, you should use
matchPoint(std::list<float*> , std::list<int> )
instead.
Computes the SURF points given by their descriptor and laplacian and try to match
them with the points in the reference list. Only the matched points
are stored. The two lists must have the same number of element while they correspond
the same unique list of point.
\warning The list returned contains allocated data (2 int per element). Must be deleted to avoid memory leak.
\param descriptorList : The list of the descriptor
\param laplacianList : The list of laplacian
\return the list of the pair, the first element contains the index in the reference sequence and the second element contains the index in the list given in parameter.
*/
vp_deprecated vpList<int*>* vpKeyPointSurf::matchPoint(vpList<float*> descriptorList, vpList<int> laplacianList)
{
vpList<int*>* pairPoints = new vpList<int*>;
if(descriptorList.nb != laplacianList.nb){
vpTRACE("Error, the two lists have different number of element");
return pairPoints;
}
CvSeqReader reader;
cvStartReadSeq( ref_descriptors, &reader );
descriptorList.front();
pairPoints->front();
laplacianList.front();
int indexList = 0;
while(!descriptorList.outside()){
float* descriptor = descriptorList.value();
int nearest_neighbor = naiveNearestNeighbor( descriptor, laplacianList.value(), ref_keypoints, ref_descriptors);
if(nearest_neighbor >= 0){
int* tab;
tab = new int[2];
tab[0] = nearest_neighbor;
tab[1] = indexList;
pairPoints->addRight(tab);
}
indexList++;
descriptorList.next();
laplacianList.next();
}
return pairPoints;
}
开发者ID:ILoveFree2,项目名称:visp-deb,代码行数:54,代码来源:vpKeyPointSurf.cpp
示例20: read_num_class_data
// This function reads data and responses from the file <filename>
static int
read_num_class_data( const char* filename, int var_count,
CvMat** data, CvMat** responses )
{
const int M = 1024;
FILE* f = fopen( filename, "rt" );
CvMemStorage* storage;
CvSeq* seq;
char buf[M+2];
float* el_ptr;
CvSeqReader reader;
int i, j;
if( !f )
return 0;
el_ptr = new float[var_count+1];
storage = cvCreateMemStorage();
seq = cvCreateSeq( 0, sizeof(*seq), (var_count+1)*sizeof(float), storage );
for(;;)
{
char* ptr;
if( !fgets( buf, M, f ) || !strchr( buf, ',' ) )
break;
el_ptr[0] = buf[0];
ptr = buf+2;
for( i = 1; i <= var_count; i++ )
{
int n = 0;
sscanf( ptr, "%f%n", el_ptr + i, &n );
ptr += n + 1;
}
if( i <= var_count )
break;
cvSeqPush( seq, el_ptr );
}
fclose(f);
*data = cvCreateMat( seq->total, var_count, CV_32F );
*responses = cvCreateMat( seq->total, 1, CV_32F );
cvStartReadSeq( seq, &reader );
for( i = 0; i < seq->total; i++ )
{
const float* sdata = (float*)reader.ptr + 1;
float* ddata = data[0]->data.fl + var_count*i;
float* dr = responses[0]->data.fl + i;
for( j = 0; j < var_count; j++ )
ddata[j] = sdata[j];
*dr = sdata[-1];
CV_NEXT_SEQ_ELEM( seq->elem_size, reader );
}
cvReleaseMemStorage( &storage );
delete[] el_ptr;
return 1;
}
开发者ID:Ashwini7,项目名称:smart-python-programs,代码行数:61,代码来源:letter_recog.cpp
注:本文中的cvStartReadSeq函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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