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converter stereo correspondence algorithms to the new style

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pull/692/head
Vadim Pisarevsky 12 years ago
parent bbae05413d
commit 7661625c39
8 changed files with 292 additions and 253 deletions
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  1. 136
      modules/calib3d/include/opencv2/calib3d.hpp
  2. 90
      modules/calib3d/src/compat_stereo.cpp
  3. 109
      modules/calib3d/src/stereobm.cpp
  4. 133
      modules/calib3d/src/stereosgbm.cpp
  5. 17
      modules/calib3d/test/test_stereomatching.cpp
  6. 4
      modules/gpu/perf/perf_calib3d.cpp
  7. 50
      samples/cpp/stereo_match.cpp
  8. 6
      samples/cpp/tutorial_code/calib3d/stereoBM/SBM_Sample.cpp

136
modules/calib3d/include/opencv2/calib3d.hpp
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@ -12,6 +12,7 @@
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
@ -372,6 +373,8 @@ CVAPI(void) cvReprojectImageTo3D( const CvArr* disparityImage,
#ifdef __cplusplus
}
template<> CV_EXPORTS void cv::Ptr<CvStereoBMState>::delete_obj();
//////////////////////////////////////////////////////////////////////////////////////////
class CV_EXPORTS CvLevMarq
{
@ -673,84 +676,95 @@ CV_EXPORTS_W void correctMatches( InputArray F, InputArray points1, InputArray p
class CV_EXPORTS_W StereoMatcher : public Algorithm
{
public:
enum { DISP_SHIFT=4, DISP_SCALE=(1 << DISP_SHIFT) };
CV_WRAP virtual void compute( InputArray left, InputArray right,
OutputArray disparity ) = 0;
};
enum { STEREO_DISP_SCALE=16, STEREO_PREFILTER_NORMALIZED_RESPONSE = 0, STEREO_PREFILTER_XSOBEL = 1 };
CV_WRAP virtual int getMinDisparity() const = 0;
CV_WRAP virtual void setMinDisparity(int minDisparity) = 0;
CV_EXPORTS Ptr<StereoMatcher> createStereoBM(int numDisparities=0, int SADWindowSize=21);
CV_WRAP virtual int getNumDisparities() const = 0;
CV_WRAP virtual void setNumDisparities(int numDisparities) = 0;
CV_EXPORTS Ptr<StereoMatcher> createStereoSGBM(int minDisparity, int numDisparities, int SADWindowSize,
int P1=0, int P2=0, int disp12MaxDiff=0,
int preFilterCap=0, int uniquenessRatio=0,
int speckleWindowSize=0, int speckleRange=0,
bool fullDP=false);
CV_WRAP virtual int getBlockSize() const = 0;
CV_WRAP virtual void setBlockSize(int blockSize) = 0;
template<> CV_EXPORTS void Ptr<CvStereoBMState>::delete_obj();
CV_WRAP virtual int getSpeckleWindowSize() const = 0;
CV_WRAP virtual void setSpeckleWindowSize(int speckleWindowSize) = 0;
CV_WRAP virtual int getSpeckleRange() const = 0;
CV_WRAP virtual void setSpeckleRange(int speckleRange) = 0;
CV_WRAP virtual int getDisp12MaxDiff() const = 0;
CV_WRAP virtual void setDisp12MaxDiff(int disp12MaxDiff) = 0;
};
// to be moved to "compat" module
class CV_EXPORTS_W StereoBM
class CV_EXPORTS_W StereoBM : public StereoMatcher
{
public:
enum { PREFILTER_NORMALIZED_RESPONSE = 0, PREFILTER_XSOBEL = 1,
BASIC_PRESET=0, FISH_EYE_PRESET=1, NARROW_PRESET=2 };
//! the default constructor
CV_WRAP StereoBM();
//! the full constructor taking the camera-specific preset, number of disparities and the SAD window size
CV_WRAP StereoBM(int preset, int ndisparities=0, int SADWindowSize=21);
//! the method that reinitializes the state. The previous content is destroyed
void init(int preset, int ndisparities=0, int SADWindowSize=21);
//! the stereo correspondence operator. Finds the disparity for the specified rectified stereo pair
CV_WRAP_AS(compute) void operator()( InputArray left, InputArray right,
OutputArray disparity, int disptype=CV_16S );
//! pointer to the underlying CvStereoBMState
Ptr<CvStereoBMState> state;
enum { PREFILTER_NORMALIZED_RESPONSE = 0, PREFILTER_XSOBEL = 1 };
CV_WRAP virtual int getPreFilterType() const = 0;
CV_WRAP virtual void setPreFilterType(int preFilterType) = 0;
CV_WRAP virtual int getPreFilterSize() const = 0;
CV_WRAP virtual void setPreFilterSize(int preFilterSize) = 0;
CV_WRAP virtual int getPreFilterCap() const = 0;
CV_WRAP virtual void setPreFilterCap(int preFilterCap) = 0;
CV_WRAP virtual int getTextureThreshold() const = 0;
CV_WRAP virtual void setTextureThreshold(int textureThreshold) = 0;
CV_WRAP virtual int getUniquenessRatio() const = 0;
CV_WRAP virtual void setUniquenessRatio(int uniquenessRatio) = 0;
CV_WRAP virtual int getSmallerBlockSize() const = 0;
CV_WRAP virtual void setSmallerBlockSize(int blockSize) = 0;
CV_WRAP virtual Rect getROI1() const = 0;
CV_WRAP virtual void setROI1(Rect roi1) = 0;
CV_WRAP virtual Rect getROI2() const = 0;
CV_WRAP virtual void setROI2(Rect roi2) = 0;
};
CV_EXPORTS Ptr<StereoBM> createStereoBM(int numDisparities=0, int blockSize=21);
// to be moved to "compat" module
class CV_EXPORTS_W StereoSGBM
class CV_EXPORTS_W StereoSGBM : public StereoMatcher
{
public:
enum { DISP_SHIFT=4, DISP_SCALE = (1<<DISP_SHIFT) };
//! the default constructor
CV_WRAP StereoSGBM();
//! the full constructor taking all the necessary algorithm parameters
CV_WRAP StereoSGBM(int minDisparity, int numDisparities, int SADWindowSize,
int P1=0, int P2=0, int disp12MaxDiff=0,
int preFilterCap=0, int uniquenessRatio=0,
int speckleWindowSize=0, int speckleRange=0,
bool fullDP=false);
//! the destructor
virtual ~StereoSGBM();
//! the stereo correspondence operator that computes disparity map for the specified rectified stereo pair
CV_WRAP_AS(compute) virtual void operator()(InputArray left, InputArray right,
OutputArray disp);
CV_PROP_RW int minDisparity;
CV_PROP_RW int numberOfDisparities;
CV_PROP_RW int SADWindowSize;
CV_PROP_RW int preFilterCap;
CV_PROP_RW int uniquenessRatio;
CV_PROP_RW int P1;
CV_PROP_RW int P2;
CV_PROP_RW int speckleWindowSize;
CV_PROP_RW int speckleRange;
CV_PROP_RW int disp12MaxDiff;
CV_PROP_RW bool fullDP;
protected:
Ptr<StereoMatcher> sm;
enum { MODE_SGBM=0, MODE_HH=1 };
CV_WRAP virtual int getPreFilterCap() const = 0;
CV_WRAP virtual void setPreFilterCap(int preFilterCap) = 0;
CV_WRAP virtual int getUniquenessRatio() const = 0;
CV_WRAP virtual void setUniquenessRatio(int uniquenessRatio) = 0;
CV_WRAP virtual int getP1() const = 0;
CV_WRAP virtual void setP1(int P1) = 0;
CV_WRAP virtual int getP2() const = 0;
CV_WRAP virtual void setP2(int P2) = 0;
CV_WRAP virtual int getMode() const = 0;
CV_WRAP virtual void setMode(int mode) = 0;
};
CV_EXPORTS Ptr<StereoSGBM> createStereoSGBM(int minDisparity, int numDisparities, int blockSize,
int P1=0, int P2=0, int disp12MaxDiff=0,
int preFilterCap=0, int uniquenessRatio=0,
int speckleWindowSize=0, int speckleRange=0,
int mode=StereoSGBM::MODE_SGBM);
//! filters off speckles (small regions of incorrectly computed disparity)
CV_EXPORTS_W void filterSpeckles( InputOutputArray img, double newVal, int maxSpeckleSize, double maxDiff,
CV_EXPORTS_W void filterSpeckles( InputOutputArray img, double newVal,
int maxSpeckleSize, double maxDiff,
InputOutputArray buf=noArray() );
//! computes valid disparity ROI from the valid ROIs of the rectified images (that are returned by cv::stereoRectify())

90
modules/calib3d/src/compat_stereo.cpp
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@ -124,93 +124,3 @@ void cvValidateDisparity( CvArr* _disp, const CvArr* _cost, int minDisparity,
cv::Mat disp = cv::cvarrToMat(_disp), cost = cv::cvarrToMat(_cost);
cv::validateDisparity( disp, cost, minDisparity, numberOfDisparities, disp12MaxDiff );
}
namespace cv
{
StereoBM::StereoBM()
{ init(BASIC_PRESET); }
StereoBM::StereoBM(int _preset, int _ndisparities, int _SADWindowSize)
{ init(_preset, _ndisparities, _SADWindowSize); }
void StereoBM::init(int _preset, int _ndisparities, int _SADWindowSize)
{
state = cvCreateStereoBMState(_preset, _ndisparities);
state->SADWindowSize = _SADWindowSize;
}
void StereoBM::operator()( InputArray _left, InputArray _right,
OutputArray _disparity, int disptype )
{
Mat left = _left.getMat(), right = _right.getMat();
CV_Assert( disptype == CV_16S || disptype == CV_32F );
_disparity.create(left.size(), disptype);
Mat disp = _disparity.getMat();
CvMat left_c = left, right_c = right, disp_c = disp;
cvFindStereoCorrespondenceBM(&left_c, &right_c, &disp_c, state);
}
StereoSGBM::StereoSGBM()
{
minDisparity = numberOfDisparities = 0;
SADWindowSize = 0;
P1 = P2 = 0;
disp12MaxDiff = 0;
preFilterCap = 0;
uniquenessRatio = 0;
speckleWindowSize = 0;
speckleRange = 0;
fullDP = false;
sm = createStereoSGBM(0, 0, 0);
}
StereoSGBM::StereoSGBM( int _minDisparity, int _numDisparities, int _SADWindowSize,
int _P1, int _P2, int _disp12MaxDiff, int _preFilterCap,
int _uniquenessRatio, int _speckleWindowSize, int _speckleRange,
bool _fullDP )
{
minDisparity = _minDisparity;
numberOfDisparities = _numDisparities;
SADWindowSize = _SADWindowSize;
P1 = _P1;
P2 = _P2;
disp12MaxDiff = _disp12MaxDiff;
preFilterCap = _preFilterCap;
uniquenessRatio = _uniquenessRatio;
speckleWindowSize = _speckleWindowSize;
speckleRange = _speckleRange;
fullDP = _fullDP;
sm = createStereoSGBM(0, 0, 0);
}
StereoSGBM::~StereoSGBM()
{
}
void StereoSGBM::operator ()( InputArray _left, InputArray _right,
OutputArray _disp )
{
sm->set("minDisparity", minDisparity);
sm->set("numDisparities", numberOfDisparities);
sm->set("SADWindowSize", SADWindowSize);
sm->set("P1", P1);
sm->set("P2", P2);
sm->set("disp12MaxDiff", disp12MaxDiff);
sm->set("preFilterCap", preFilterCap);
sm->set("uniquenessRatio", uniquenessRatio);
sm->set("speckleWindowSize", speckleWindowSize);
sm->set("speckleRange", speckleRange);
sm->set("fullDP", fullDP);
sm->compute(_left, _right, _disp);
}
}

109
modules/calib3d/src/stereobm.cpp
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@ -56,7 +56,7 @@ struct StereoBMParams
{
StereoBMParams(int _numDisparities=64, int _SADWindowSize=21)
{
preFilterType = STEREO_PREFILTER_XSOBEL;
preFilterType = StereoBM::PREFILTER_XSOBEL;
preFilterSize = 9;
preFilterCap = 31;
SADWindowSize = _SADWindowSize;
@ -676,7 +676,7 @@ struct PrefilterInvoker : public ParallelLoopBody
{
for( int i = range.start; i < range.end; i++ )
{
if( state->preFilterType == STEREO_PREFILTER_NORMALIZED_RESPONSE )
if( state->preFilterType == StereoBM::PREFILTER_NORMALIZED_RESPONSE )
prefilterNorm( *imgs0[i], *imgs[i], state->preFilterSize, state->preFilterCap, buf[i] );
else
prefilterXSobel( *imgs0[i], *imgs[i], state->preFilterCap );
@ -771,8 +771,7 @@ protected:
Rect validDisparityRect;
};
class StereoBMImpl : public StereoMatcher
class StereoBMImpl : public StereoBM
{
public:
StereoBMImpl()
@ -802,8 +801,8 @@ public:
disparr.create(left0.size(), dtype);
Mat disp0 = disparr.getMat();
if( params.preFilterType != STEREO_PREFILTER_NORMALIZED_RESPONSE &&
params.preFilterType != STEREO_PREFILTER_XSOBEL )
if( params.preFilterType != PREFILTER_NORMALIZED_RESPONSE &&
params.preFilterType != PREFILTER_XSOBEL )
CV_Error( CV_StsOutOfRange, "preFilterType must be = CV_STEREO_BM_NORMALIZED_RESPONSE" );
if( params.preFilterSize < 5 || params.preFilterSize > 255 || params.preFilterSize % 2 == 0 )
@ -901,33 +900,95 @@ public:
disp.convertTo(disp0, disp0.type(), 1./(1 << DISPARITY_SHIFT), 0);
}
AlgorithmInfo* info() const;
AlgorithmInfo* info() const { return 0; }
int getMinDisparity() const { return params.minDisparity; }
void setMinDisparity(int minDisparity) { params.minDisparity = minDisparity; }
int getNumDisparities() const { return params.numDisparities; }
void setNumDisparities(int numDisparities) { params.numDisparities = numDisparities; }
int getBlockSize() const { return params.SADWindowSize; }
void setBlockSize(int blockSize) { params.SADWindowSize = blockSize; }
int getSpeckleWindowSize() const { return params.speckleWindowSize; }
void setSpeckleWindowSize(int speckleWindowSize) { params.speckleWindowSize = speckleWindowSize; }
int getSpeckleRange() const { return params.speckleRange; }
void setSpeckleRange(int speckleRange) { params.speckleRange = speckleRange; }
int getDisp12MaxDiff() const { return params.disp12MaxDiff; }
void setDisp12MaxDiff(int disp12MaxDiff) { params.disp12MaxDiff = disp12MaxDiff; }
int getPreFilterType() const { return params.preFilterType; }
void setPreFilterType(int preFilterType) { params.preFilterType = preFilterType; }
int getPreFilterSize() const { return params.preFilterSize; }
void setPreFilterSize(int preFilterSize) { params.preFilterSize = preFilterSize; }
int getPreFilterCap() const { return params.preFilterCap; }
void setPreFilterCap(int preFilterCap) { params.preFilterCap = preFilterCap; }
int getTextureThreshold() const { return params.textureThreshold; }
void setTextureThreshold(int textureThreshold) { params.textureThreshold = textureThreshold; }
int getUniquenessRatio() const { return params.uniquenessRatio; }
void setUniquenessRatio(int uniquenessRatio) { params.uniquenessRatio = uniquenessRatio; }
int getSmallerBlockSize() const { return 0; }
void setSmallerBlockSize(int) {}
Rect getROI1() const { return params.roi1; }
void setROI1(Rect roi1) { params.roi1 = roi1; }
Rect getROI2() const { return params.roi2; }
void setROI2(Rect roi2) { params.roi2 = roi2; }
void write(FileStorage& fs) const
{
fs << "name" << name_
<< "minDisparity" << params.minDisparity
<< "numDisparities" << params.numDisparities
<< "blockSize" << params.SADWindowSize
<< "speckleWindowSize" << params.speckleWindowSize
<< "speckleRange" << params.speckleRange
<< "disp12MaxDiff" << params.disp12MaxDiff
<< "preFilterType" << params.preFilterType
<< "preFilterSize" << params.preFilterSize
<< "preFilterCap" << params.preFilterCap
<< "textureThreshold" << params.textureThreshold
<< "uniquenessRatio" << params.uniquenessRatio;
}
void read(const FileNode& fn)
{
CV_Assert( (std::string)fn["name"] == std::string(name_) );
params.minDisparity = (int)fn["minDisparity"];
params.numDisparities = (int)fn["numDisparities"];
params.SADWindowSize = (int)fn["blockSize"];
params.speckleWindowSize = (int)fn["speckleWindowSize"];
params.speckleRange = (int)fn["speckleRange"];
params.disp12MaxDiff = (int)fn["disp12MaxDiff"];
params.preFilterType = (int)fn["preFilterType"];
params.preFilterSize = (int)fn["preFilterSize"];
params.preFilterCap = (int)fn["preFilterCap"];
params.textureThreshold = (int)fn["textureThreshold"];
params.uniquenessRatio = (int)fn["uniquenessRatio"];
params.roi1 = params.roi2 = Rect();
}
StereoBMParams params;
Mat preFilteredImg0, preFilteredImg1, cost, dispbuf;
Mat slidingSumBuf;
static const char* name_;
};
#define add_param(n) \
obj.info()->addParam(obj, #n, obj.params.n)
CV_INIT_ALGORITHM(StereoBMImpl, "StereoMatcher.BM",
add_param(preFilterType);
add_param(preFilterSize);
add_param(preFilterCap);
add_param(SADWindowSize);
add_param(minDisparity);
add_param(numDisparities);
add_param(textureThreshold);
add_param(uniquenessRatio);
add_param(speckleRange);
add_param(speckleWindowSize);
add_param(disp12MaxDiff);
add_param(dispType));
const char* StereoBMImpl::name_ = "StereoMatcher.BM";
}
cv::Ptr<cv::StereoMatcher> cv::createStereoBM(int _numDisparities, int _SADWindowSize)
cv::Ptr<cv::StereoBM> cv::createStereoBM(int _numDisparities, int _SADWindowSize)
{
return new StereoBMImpl(_numDisparities, _SADWindowSize);
}

133
modules/calib3d/src/stereosgbm.cpp
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@ -75,13 +75,13 @@ struct StereoSGBMParams
uniquenessRatio = 0;
speckleWindowSize = 0;
speckleRange = 0;
fullDP = false;
mode = StereoSGBM::MODE_SGBM;
}
StereoSGBMParams( int _minDisparity, int _numDisparities, int _SADWindowSize,
int _P1, int _P2, int _disp12MaxDiff, int _preFilterCap,
int _uniquenessRatio, int _speckleWindowSize, int _speckleRange,
bool _fullDP )
int _mode )
{
minDisparity = _minDisparity;
numDisparities = _numDisparities;
@ -93,7 +93,7 @@ struct StereoSGBMParams
uniquenessRatio = _uniquenessRatio;
speckleWindowSize = _speckleWindowSize;
speckleRange = _speckleRange;
fullDP = _fullDP;
mode = _mode;
}
int minDisparity;
@ -106,7 +106,7 @@ struct StereoSGBMParams
int speckleWindowSize;
int speckleRange;
int disp12MaxDiff;
bool fullDP;
int mode;
};
/*
@ -328,8 +328,8 @@ static void computeDisparitySGBM( const Mat& img1, const Mat& img2,
#endif
const int ALIGN = 16;
const int DISP_SHIFT = StereoSGBM::DISP_SHIFT;
const int DISP_SCALE = StereoSGBM::DISP_SCALE;
const int DISP_SHIFT = StereoMatcher::DISP_SHIFT;
const int DISP_SCALE = (1 << DISP_SHIFT);
const CostType MAX_COST = SHRT_MAX;
int minD = params.minDisparity, maxD = minD + params.numDisparities;
@ -344,7 +344,8 @@ static void computeDisparitySGBM( const Mat& img1, const Mat& img2,
int D = maxD - minD, width1 = maxX1 - minX1;
int INVALID_DISP = minD - 1, INVALID_DISP_SCALED = INVALID_DISP*DISP_SCALE;
int SW2 = SADWindowSize.width/2, SH2 = SADWindowSize.height/2;
int npasses = params.fullDP ? 2 : 1;
bool fullDP = params.mode == StereoSGBM::MODE_HH;
int npasses = fullDP ? 2 : 1;
const int TAB_OFS = 256*4, TAB_SIZE = 256 + TAB_OFS*2;
PixType clipTab[TAB_SIZE];
@ -373,7 +374,7 @@ static void computeDisparitySGBM( const Mat& img1, const Mat& img2,
// we keep pixel difference cost (C) and the summary cost over NR directions (S).
// we also keep all the partial costs for the previous line L_r(x,d) and also min_k L_r(x, k)
size_t costBufSize = width1*D;
size_t CSBufSize = costBufSize*(params.fullDP ? height : 1);
size_t CSBufSize = costBufSize*(fullDP ? height : 1);
size_t minLrSize = (width1 + LrBorder*2)*NR2, LrSize = minLrSize*D2;
int hsumBufNRows = SH2*2 + 2;
size_t totalBufSize = (LrSize + minLrSize)*NLR*sizeof(CostType) + // minLr[] and Lr[]
@ -434,8 +435,8 @@ static void computeDisparitySGBM( const Mat& img1, const Mat& img2,
{
int x, d;
DispType* disp1ptr = disp1.ptr<DispType>(y);
CostType* C = Cbuf + (!params.fullDP ? 0 : y*costBufSize);
CostType* S = Sbuf + (!params.fullDP ? 0 : y*costBufSize);
CostType* C = Cbuf + (!fullDP ? 0 : y*costBufSize);
CostType* S = Sbuf + (!fullDP ? 0 : y*costBufSize);
if( pass == 1 ) // compute C on the first pass, and reuse it on the second pass, if any.
{
@ -460,7 +461,7 @@ static void computeDisparitySGBM( const Mat& img1, const Mat& img2,
if( y > 0 )
{
const CostType* hsumSub = hsumBuf + (std::max(y - SH2 - 1, 0) % hsumBufNRows)*costBufSize;
const CostType* Cprev = !params.fullDP || y == 0 ? C : C - costBufSize;
const CostType* Cprev = !fullDP || y == 0 ? C : C - costBufSize;
for( x = D; x < width1*D; x += D )
{
@ -828,8 +829,7 @@ static void computeDisparitySGBM( const Mat& img1, const Mat& img2,
}
}
class StereoSGBMImpl : public StereoMatcher
class StereoSGBMImpl : public StereoSGBM
{
public:
StereoSGBMImpl()
@ -840,12 +840,12 @@ public:
StereoSGBMImpl( int _minDisparity, int _numDisparities, int _SADWindowSize,
int _P1, int _P2, int _disp12MaxDiff, int _preFilterCap,
int _uniquenessRatio, int _speckleWindowSize, int _speckleRange,
bool _fullDP )
int _mode )
{
params = StereoSGBMParams( _minDisparity, _numDisparities, _SADWindowSize,
_P1, _P2, _disp12MaxDiff, _preFilterCap,
_uniquenessRatio, _speckleWindowSize, _speckleRange,
_fullDP );
_mode );
}
void compute( InputArray leftarr, InputArray rightarr, OutputArray disparr )
@ -861,47 +861,98 @@ public:
medianBlur(disp, disp, 3);
if( params.speckleWindowSize > 0 )
filterSpeckles(disp, (params.minDisparity - 1)*STEREO_DISP_SCALE, params.speckleWindowSize,
STEREO_DISP_SCALE*params.speckleRange, buffer);
filterSpeckles(disp, (params.minDisparity - 1)*StereoMatcher::DISP_SCALE, params.speckleWindowSize,
StereoMatcher::DISP_SCALE*params.speckleRange, buffer);
}
AlgorithmInfo* info() const;
AlgorithmInfo* info() const { return 0; }
int getMinDisparity() const { return params.minDisparity; }
void setMinDisparity(int minDisparity) { params.minDisparity = minDisparity; }
int getNumDisparities() const { return params.numDisparities; }
void setNumDisparities(int numDisparities) { params.numDisparities = numDisparities; }
int getBlockSize() const { return params.SADWindowSize; }
void setBlockSize(int blockSize) { params.SADWindowSize = blockSize; }
int getSpeckleWindowSize() const { return params.speckleWindowSize; }
void setSpeckleWindowSize(int speckleWindowSize) { params.speckleWindowSize = speckleWindowSize; }
int getSpeckleRange() const { return params.speckleRange; }
void setSpeckleRange(int speckleRange) { params.speckleRange = speckleRange; }
int getDisp12MaxDiff() const { return params.disp12MaxDiff; }
void setDisp12MaxDiff(int disp12MaxDiff) { params.disp12MaxDiff = disp12MaxDiff; }
int getPreFilterCap() const { return params.preFilterCap; }
void setPreFilterCap(int preFilterCap) { params.preFilterCap = preFilterCap; }
int getUniquenessRatio() const { return params.uniquenessRatio; }
void setUniquenessRatio(int uniquenessRatio) { params.uniquenessRatio = uniquenessRatio; }
int getP1() const { return params.P1; }
void setP1(int P1) { params.P1 = P1; }
int getP2() const { return params.P2; }
void setP2(int P2) { params.P2 = P2; }
int getMode() const { return params.mode; }
void setMode(int mode) { params.mode = mode; }
void write(FileStorage& fs) const
{
fs << "name" << name_
<< "minDisparity" << params.minDisparity
<< "numDisparities" << params.numDisparities
<< "blockSize" << params.SADWindowSize
<< "speckleWindowSize" << params.speckleWindowSize
<< "speckleRange" << params.speckleRange
<< "disp12MaxDiff" << params.disp12MaxDiff
<< "preFilterCap" << params.preFilterCap
<< "uniquenessRatio" << params.uniquenessRatio
<< "P1" << params.P1
<< "P2" << params.P2
<< "mode" << params.mode;
}
void read(const FileNode& fn)
{
CV_Assert( (std::string)fn["name"] == std::string(name_) );
params.minDisparity = (int)fn["minDisparity"];
params.numDisparities = (int)fn["numDisparities"];
params.SADWindowSize = (int)fn["blockSize"];
params.speckleWindowSize = (int)fn["speckleWindowSize"];
params.speckleRange = (int)fn["speckleRange"];
params.disp12MaxDiff = (int)fn["disp12MaxDiff"];
params.preFilterCap = (int)fn["preFilterCap"];
params.uniquenessRatio = (int)fn["uniquenessRatio"];
params.P1 = (int)fn["P1"];
params.P2 = (int)fn["P2"];
params.mode = (int)fn["mode"];
}
StereoSGBMParams params;
Mat buffer;
static const char* name_;
};
const char* StereoSGBMImpl::name_ = "StereoMatcher.SGBM";
Ptr<StereoMatcher> createStereoSGBM(int minDisparity, int numDisparities, int SADWindowSize,
int P1, int P2, int disp12MaxDiff,
int preFilterCap, int uniquenessRatio,
int speckleWindowSize, int speckleRange,
bool fullDP)
Ptr<StereoSGBM> createStereoSGBM(int minDisparity, int numDisparities, int SADWindowSize,
int P1, int P2, int disp12MaxDiff,
int preFilterCap, int uniquenessRatio,
int speckleWindowSize, int speckleRange,
int mode)
{
return new StereoSGBMImpl(minDisparity, numDisparities, SADWindowSize,
P1, P2, disp12MaxDiff,
preFilterCap, uniquenessRatio,
speckleWindowSize, speckleRange,
fullDP);
mode);
}
#define add_param(n) \
obj.info()->addParam(obj, #n, obj.params.n)
CV_INIT_ALGORITHM(StereoSGBMImpl, "StereoMatcher.SGBM",
add_param(minDisparity);
add_param(numDisparities);
add_param(SADWindowSize);
add_param(preFilterCap);
add_param(uniquenessRatio);
add_param(P1);
add_param(P2);
add_param(speckleWindowSize);
add_param(speckleRange);
add_param(disp12MaxDiff);
add_param(fullDP));
Rect getValidDisparityROI( Rect roi1, Rect roi2,
int minDisparity,
int numberOfDisparities,

17
modules/calib3d/test/test_stereomatching.cpp
Unescape View File

@ -700,8 +700,10 @@ protected:
Mat leftImg; cvtColor( _leftImg, leftImg, CV_BGR2GRAY );
Mat rightImg; cvtColor( _rightImg, rightImg, CV_BGR2GRAY );
StereoBM bm( StereoBM::BASIC_PRESET, params.ndisp, params.winSize );
bm( leftImg, rightImg, leftDisp, CV_32F );
Ptr<StereoBM> bm = createStereoBM( params.ndisp, params.winSize );
Mat tempDisp;
bm->compute( leftImg, rightImg, tempDisp );
tempDisp.convertTo(leftDisp, CV_32F, 1./StereoMatcher::DISP_SCALE);
return params.winSize/2;
}
};
@ -751,10 +753,13 @@ protected:
{
RunParams params = caseRunParams[caseIdx];
assert( params.ndisp%16 == 0 );
StereoSGBM sgbm( 0, params.ndisp, params.winSize, 10*params.winSize*params.winSize, 40*params.winSize*params.winSize,
1, 63, 10, 100, 32, params.fullDP );
sgbm( leftImg, rightImg, leftDisp );
assert( leftDisp.type() == CV_16SC1 );
Ptr<StereoSGBM> sgbm = createStereoSGBM( 0, params.ndisp, params.winSize,
10*params.winSize*params.winSize,
40*params.winSize*params.winSize,
1, 63, 10, 100, 32, params.fullDP ?
StereoSGBM::MODE_HH : StereoSGBM::MODE_SGBM );
sgbm->compute( leftImg, rightImg, leftDisp );
CV_Assert( leftDisp.type() == CV_16SC1 );
leftDisp/=16;
return 0;
}

4
modules/gpu/perf/perf_calib3d.cpp
Unescape View File

@ -37,11 +37,11 @@ PERF_TEST_P(ImagePair, Calib3D_StereoBM,
}
else
{
cv::StereoBM bm(preset, ndisp);
cv::Ptr<cv::StereoBM> bm = cv::createStereoBM(ndisp);
cv::Mat dst;
TEST_CYCLE() bm(imgLeft, imgRight, dst);
TEST_CYCLE() bm->compute(imgLeft, imgRight, dst);
CPU_SANITY_CHECK(dst);
}

50
samples/cpp/stereo_match.cpp
Unescape View File

@ -67,8 +67,8 @@ int main(int argc, char** argv)
bool no_display = false;
float scale = 1.f;
Ptr<StereoMatcher> bm = createStereoBM(16,9);
Ptr<StereoMatcher> sgbm = createStereoSGBM(0,16,3);
Ptr<StereoBM> bm = createStereoBM(16,9);
Ptr<StereoSGBM> sgbm = createStereoSGBM(0,16,3);
StereoVar var;
for( int i = 1; i < argc; i++ )
@ -221,33 +221,33 @@ int main(int argc, char** argv)
numberOfDisparities = numberOfDisparities > 0 ? numberOfDisparities : ((img_size.width/8) + 15) & -16;
//bm->set("roi1", roi1);
//bm->set("roi2", roi2);
bm->set("preFilterCap", 31);
bm->set("SADWindowSize", SADWindowSize > 0 ? SADWindowSize : 9);
bm->set("minDisparity", 0);
bm->set("numDisparities", numberOfDisparities);
bm->set("textureThreshold", 10);
bm->set("uniquenessRatio", 15);
bm->set("speckleWindowSize", 100);
bm->set("speckleRange", 32);
bm->set("disp12MaxDiff", 1);
sgbm->set("preFilterCap", 63);
bm->setROI1(roi1);
bm->setROI2(roi2);
bm->setPreFilterCap(31);
bm->setBlockSize(SADWindowSize > 0 ? SADWindowSize : 9);
bm->setMinDisparity(0);
bm->setNumDisparities(numberOfDisparities);
bm->setTextureThreshold(10);
bm->setUniquenessRatio(15);
bm->setSpeckleWindowSize(100);
bm->setSpeckleRange(32);
bm->setDisp12MaxDiff(1);
sgbm->setPreFilterCap(63);
int sgbmWinSize = SADWindowSize > 0 ? SADWindowSize : 3;
sgbm->set("SADWindowSize", sgbmWinSize);
sgbm->setBlockSize(sgbmWinSize);
int cn = img1.channels();
sgbm->set("P1", 8*cn*sgbmWinSize*sgbmWinSize);
sgbm->set("P2", 32*cn*sgbmWinSize*sgbmWinSize);
sgbm->set("minDisparity", 0);
sgbm->set("numDisparities", numberOfDisparities);
sgbm->set("uniquenessRatio", 10);
sgbm->set("speckleWindowSize", 100);
sgbm->set("speckleRange", 32);
sgbm->set("disp12MaxDiff", 1);
sgbm->set("fullDP", alg == STEREO_HH);
sgbm->setP1(8*cn*sgbmWinSize*sgbmWinSize);
sgbm->setP2(32*cn*sgbmWinSize*sgbmWinSize);
sgbm->setMinDisparity(0);
sgbm->setNumDisparities(numberOfDisparities);
sgbm->setUniquenessRatio(10);
sgbm->setSpeckleWindowSize(100);
sgbm->setSpeckleRange(32);
sgbm->setDisp12MaxDiff(1);
sgbm->setMode(alg == STEREO_HH ? StereoSGBM::MODE_HH : StereoSGBM::MODE_SGBM);
var.levels = 3; // ignored with USE_AUTO_PARAMS
var.pyrScale = 0.5; // ignored with USE_AUTO_PARAMS

6
samples/cpp/tutorial_code/calib3d/stereoBM/SBM_Sample.cpp
Unescape View File

@ -39,12 +39,10 @@ int main( int argc, char** argv )
int ndisparities = 16*5; /**< Range of disparity */
int SADWindowSize = 21; /**< Size of the block window. Must be odd */
StereoBM sbm( StereoBM::BASIC_PRESET,
ndisparities,
SADWindowSize );
Ptr<StereoBM> sbm = createStereoBM( ndisparities, SADWindowSize );
//-- 3. Calculate the disparity image
sbm( imgLeft, imgRight, imgDisparity16S, CV_16S );
sbm->compute( imgLeft, imgRight, imgDisparity16S );
//-- Check its extreme values
double minVal; double maxVal;

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