void SuperResolution_setInput(struct SuperResolutionPtr ptr, struct FrameSourcePtr frameSource)
{
    cv::Ptr<superres::FrameSource> tempPtr(
            static_cast<superres::FrameSource *>(frameSource.ptr));
    rescueObjectFromPtr(tempPtr);
    ptr->setInput(tempPtr);
}

struct HOGPtr HOG_ctor(
        struct SizeWrapper win_size, struct SizeWrapper block_size,
        struct SizeWrapper block_stride, struct SizeWrapper cell_size, int nbins)
{
    return rescueObjectFromPtr(cuda::HOG::create(
            win_size, block_size, block_stride, cell_size, nbins));
}

void SuperResolution_setOpticalFlow(struct SuperResolutionPtr ptr, struct DenseOpticalFlowExtPtr val)
{
    cv::Ptr<FakeOpticalFlow> tempPtr(
            static_cast<FakeOpticalFlow *>(val.ptr));
    rescueObjectFromPtr(tempPtr);
    ptr->setOpticalFlow(tempPtr);
}

struct BroxOpticalFlowPtr BroxOpticalFlow_ctorCuda(
        double alpha, double gamma, double scale_factor, int inner_iterations,
        int outer_iterations, int solver_iterations)
{
    return rescueObjectFromPtr(cuda::BroxOpticalFlow::create(
            alpha, gamma, scale_factor, inner_iterations, outer_iterations, solver_iterations));
}

bool StatModel_train(struct StatModelPtr ptr, struct TrainDataPtr trainData, int flags)
{
    cv::Ptr<ml::TrainData> trainDataPtr(static_cast<ml::TrainData *>(trainData));
    bool result = ptr->train(trainDataPtr, flags);
    rescueObjectFromPtr(trainDataPtr);
    return result;
}

struct ORBPtr ORB_ctorCuda(
    int nfeatures, float scaleFactor, int nlevels, int edgeThreshold, int firstLevel,
    int WTA_K, int scoreType, int patchSize, int fastThreshold, bool blurForDescriptor)
{
    return rescueObjectFromPtr(
               cuda::ORB::create(nfeatures, scaleFactor, nlevels, edgeThreshold, firstLevel,
                                 WTA_K, scoreType, patchSize, fastThreshold, blurForDescriptor));
}

struct OpticalFlowDual_TVL1Ptr OpticalFlowDual_TVL1_ctorCuda(
        double tau, double lambda, double theta, int nscales, int warps, double epsilon,
        int iterations, double scaleStep, double gamma, bool useInitialFlow)
{
    return rescueObjectFromPtr(cuda::OpticalFlowDual_TVL1::create(
            tau, lambda, theta, nscales, warps, epsilon,
            iterations, scaleStep, gamma, useInitialFlow));
}

struct FarnebackOpticalFlowPtr FarnebackOpticalFlow_ctorCuda(
        int NumLevels, double PyrScale, bool FastPyramids, int WinSize,
        int NumIters, int PolyN, double PolySigma, int Flags)
{
    return rescueObjectFromPtr(cuda::FarnebackOpticalFlow::create(
            NumLevels, PyrScale, FastPyramids, WinSize, NumIters,
            PolyN, PolySigma, Flags));
}

struct CornersDetectorPtr createGoodFeaturesToTrackDetector(
        int srcType, int maxCorners, double qualityLevel, double minDistance,
        int blockSize, bool useHarrisDetector, double harrisK)
{
    return rescueObjectFromPtr(cuda::createGoodFeaturesToTrackDetector(
            srcType, maxCorners, qualityLevel, minDistance,
            blockSize, useHarrisDetector, harrisK));
}

struct TrainDataPtr TrainData_ctor(
        struct TensorWrapper samples, int layout, struct TensorWrapper responses,
        struct TensorWrapper varIdx, struct TensorWrapper sampleIdx,
        struct TensorWrapper sampleWeights, struct TensorWrapper varType)
{
    return rescueObjectFromPtr(ml::TrainData::create(
            samples.toMat(), layout, responses.toMat(), varIdx.toMat(),
            sampleIdx.toMat(), sampleWeights.toMat(), varType.toMat()));
}

bool SVM_trainAuto(
        struct SVMPtr ptr, struct TrainDataPtr data, int kFold, struct ParamGridPtr Cgrid,
        struct ParamGridPtr gammaGrid, struct ParamGridPtr pGrid, struct ParamGridPtr nuGrid,
        struct ParamGridPtr coeffGrid, struct ParamGridPtr degreeGrid, bool balanced)
{
    cv::Ptr<ml::TrainData> dataPtr(static_cast<ml::TrainData *>(data));
    rescueObjectFromPtr(dataPtr);

    return ptr->trainAuto(
            dataPtr, kFold, Cgrid, gammaGrid, pGrid,
            nuGrid, coeffGrid, degreeGrid, balanced);
}

struct TensorPlusFloat StatModel_calcError(
        struct StatModelPtr ptr, struct TrainDataPtr data, bool test, struct TensorWrapper resp)
{
    cv::Ptr<ml::TrainData> dataPtr(static_cast<ml::TrainData *>(data));
    TensorPlusFloat retval;

    MatT resp_mat = resp.toMatT();
    retval.val = ptr->calcError(dataPtr, test, resp_mat);
    new(&retval.tensor) TensorWrapper(resp_mat);
    rescueObjectFromPtr(dataPtr);
    return retval;
}

struct StereoSGBMPtr StereoSGBM_ctor(
	int minDisparity, int numDisparities, int blockSize,
	int P1, int P2, int disp12MaxDiff, int preFilterCap,
	int uniquenessRatio, int speckleWindowSize,
	int speckleRange, int mode)
{
    return rescueObjectFromPtr(
		cv::StereoSGBM::create(
			minDisparity, numDisparities, blockSize, P1, P2,
			disp12MaxDiff, preFilterCap, uniquenessRatio,
			speckleWindowSize, speckleRange, mode));
}

struct TensorPlusBool findCirclesGrid(
	struct TensorWrapper image, struct SizeWrapper patternSize,
	struct TensorWrapper centers, int flags,
  struct SimpleBlobDetectorPtr blobDetector)
{
    cv::Ptr<cv::FeatureDetector> blobDetectorPtr(
      static_cast<cv::SimpleBlobDetector *>(blobDetector.ptr));
    rescueObjectFromPtr(blobDetectorPtr);

    struct TensorPlusBool result;
    MatT centers_mat = centers.toMatT();

    result.val = cv::findCirclesGrid(
		  image.toMat(), patternSize, centers_mat, flags, blobDetectorPtr);
    new(&result.tensor) TensorWrapper(centers_mat);
    return result;
}

struct BoostPtr Boost_ctor()
{
    return rescueObjectFromPtr(ml::Boost::create());
}

struct SuperResolutionPtr createSuperResolution_BTVL1_CUDA()
{
    return rescueObjectFromPtr(superres::createSuperResolution_BTVL1_CUDA());
}

struct PyrLKOpticalFlowPtr createOptFlow_PyrLK_CUDA()
{
    return rescueObjectFromPtr(superres::createOptFlow_PyrLK_CUDA());
}

struct FrameSourcePtr createFrameSource()
{
    return rescueObjectFromPtr(superres::createFrameSource_Empty());
}

struct BroxOpticalFlowPtr createOptFlow_Brox_CUDA()
{
    return rescueObjectFromPtr(superres::createOptFlow_Brox_CUDA());
}

struct DualTVL1OpticalFlowPtr createOptFlow_DualTVL1_CUDA()
{
    return rescueObjectFromPtr(superres::createOptFlow_DualTVL1_CUDA());
}