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@ -648,7 +648,7 @@ void preparePyramidNormalsMask(InputArray pyramidNormals, InputArray pyramidMask |
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} |
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} |
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bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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bool RGBDICPOdometryImpl(OutputArray _Rt, const Mat& initRt, |
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const OdometryFrame srcFrame, |
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const OdometryFrame dstFrame, |
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const Matx33f& cameraMatrix, |
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@ -656,16 +656,6 @@ bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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double maxTranslation, double maxRotation, double sobelScale, |
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OdometryType method, OdometryTransformType transformType, OdometryAlgoType algtype) |
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{ |
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if ((transformType == OdometryTransformType::RIGID_TRANSFORMATION) && |
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(std::abs(scale) > std::numeric_limits<float>::epsilon())) |
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{ |
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transformType = OdometryTransformType::SIM_TRANSFORMATION; |
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} |
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else |
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{ |
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scale = 1.0f; |
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} |
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int transformDim = getTransformDim(transformType); |
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const int minOverdetermScale = 20; |
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@ -676,14 +666,12 @@ bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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Mat resultRt = initRt.empty() ? Mat::eye(4,4,CV_64FC1) : initRt.clone(); |
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Mat currRt, ksi; |
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double currScale = 1.0; |
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Affine3f transform = Affine3f::Identity(); |
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bool isOk = false; |
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for(int level = (int)iterCounts.size() - 1; level >= 0; level--) |
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{ |
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const Matx33f& levelCameraMatrix = pyramidCameraMatrix[level]; |
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const Matx33f& levelCameraMatrix_inv = levelCameraMatrix.inv(DECOMP_SVD); |
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const Mat srcLevelDepth, dstLevelDepth; |
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const Mat srcLevelImage, dstLevelImage; |
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srcFrame.getPyramidAt(srcLevelDepth, OdometryFramePyramidType::PYR_DEPTH, level); |
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@ -705,32 +693,33 @@ bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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for(int iter = 0; iter < iterCounts[level]; iter ++) |
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{ |
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Mat resultRt_inv = resultRt.inv(DECOMP_SVD); |
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Mat corresps_rgbd, corresps_icp, diffs_rgbd, diffs_icp; |
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double sigma_rgbd = 0, sigma_icp = 0; |
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Mat corresps_rgbd, corresps_icp, diffs_rgbd; |
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Mat dummy; |
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double sigma_rgbd = 0, dummyFloat = 0; |
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const Mat pyramidMask; |
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srcFrame.getPyramidAt(pyramidMask, OdometryFramePyramidType::PYR_MASK, level); |
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if(method != OdometryType::DEPTH)// RGB
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if(method != OdometryType::DEPTH) // RGB
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{ |
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const Mat pyramidTexturedMask; |
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dstFrame.getPyramidAt(pyramidTexturedMask, OdometryFramePyramidType::PYR_TEXMASK, level); |
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computeCorresps(levelCameraMatrix, levelCameraMatrix_inv, resultRt_inv, |
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computeCorresps(levelCameraMatrix, resultRt, |
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srcLevelImage, srcLevelDepth, pyramidMask, |
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dstLevelImage, dstLevelDepth, pyramidTexturedMask, maxDepthDiff, |
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corresps_rgbd, diffs_rgbd, sigma_rgbd, OdometryType::RGB); |
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} |
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if(method != OdometryType::RGB)// ICP
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if(method != OdometryType::RGB) // ICP
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{ |
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if (algtype == OdometryAlgoType::COMMON) |
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{ |
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const Mat pyramidNormalsMask; |
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dstFrame.getPyramidAt(pyramidNormalsMask, OdometryFramePyramidType::PYR_NORMMASK, level); |
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computeCorresps(levelCameraMatrix, levelCameraMatrix_inv, resultRt_inv, |
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computeCorresps(levelCameraMatrix, resultRt, |
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Mat(), srcLevelDepth, pyramidMask, |
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Mat(), dstLevelDepth, pyramidNormalsMask, maxDepthDiff, |
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corresps_icp, diffs_icp, sigma_icp, OdometryType::DEPTH); |
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corresps_icp, dummy, dummyFloat, OdometryType::DEPTH); |
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} |
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} |
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@ -764,7 +753,7 @@ bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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if (algtype == OdometryAlgoType::COMMON) |
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{ |
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calcICPLsmMatrices(srcPyrCloud, resultRt, dstPyrCloud, dstPyrNormals, |
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corresps_icp, AtA_icp, AtB_icp, currScale, transformType); |
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corresps_icp, AtA_icp, AtB_icp, transformType); |
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} |
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else |
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{ |
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@ -780,18 +769,6 @@ bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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AtB += AtB_icp; |
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} |
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// workaround for bad AtA matrix
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if (transformType == OdometryTransformType::SIM_TRANSFORMATION) |
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if (countNonZero(AtA(Range::all(), Range(6, 7))) == 0) |
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{ |
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Mat tmp(6, 6, CV_64FC1, Scalar(0)); |
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AtA(Range(0, 6), Range(0, 6)).copyTo(tmp); |
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AtA = tmp; |
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transformType = OdometryTransformType::RIGID_TRANSFORMATION; |
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transformDim = getTransformDim(transformType); |
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break; |
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} |
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bool solutionExist = solveSystem(AtA, AtB, determinantThreshold, ksi); |
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if (!solutionExist) |
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@ -800,7 +777,6 @@ bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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} |
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Mat tmp61(6, 1, CV_64FC1, Scalar(0)); |
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double newScale = 1.0; |
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if(transformType == OdometryTransformType::ROTATION) |
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{
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ksi.copyTo(tmp61.rowRange(0,3)); |
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@ -811,25 +787,9 @@ bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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ksi.copyTo(tmp61.rowRange(3,6)); |
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ksi = tmp61; |
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} |
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else if (transformType == OdometryTransformType::SIM_TRANSFORMATION) |
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{ |
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newScale = ksi.at<double>(6, 0); |
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ksi.rowRange(0, 6).copyTo(tmp61); |
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ksi = tmp61; |
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} |
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computeProjectiveMatrix(ksi, currRt); |
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//resultRt = currRt * resultRt;
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cv::Matx33d cr = currRt(cv::Rect(0, 0, 3, 3)), rr = resultRt(cv::Rect(0, 0, 3, 3)); |
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cv::Vec3d ct = currRt(cv::Rect(0, 3, 3, 1)), rt = resultRt(cv::Rect(0, 3, 3, 1)); |
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cv::Matx33d nr = cr * rr; |
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cv::Vec3f nt = ct + cr * rt * newScale; |
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Matx44d nrt = Matx44d::eye(); |
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nrt.get_minor<3, 3>(0, 0) = nr; |
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nrt.get_minor<3, 1>(0, 3) = nt; |
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nrt.copyTo(resultRt); |
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currScale *= newScale; |
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resultRt = currRt * resultRt; |
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//TODO: fixit, transform is used for Fast ICP only
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Vec6f x(ksi); |
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@ -844,7 +804,6 @@ bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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_Rt.create(resultRt.size(), resultRt.type()); |
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Mat Rt = _Rt.getMat(); |
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resultRt.copyTo(Rt); |
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scale =(float)currScale; |
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if(isOk) |
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{ |
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Mat deltaRt; |
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@ -859,81 +818,84 @@ bool RGBDICPOdometryImpl(OutputArray _Rt, float& scale, const Mat& initRt, |
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return isOk; |
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} |
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// Rotate dst by Rt (which is inverted in fact) to get corresponding src pixels
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// Rotate dst by RtInv to get corresponding src pixels
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// In RGB case compute sigma and diffs too
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void computeCorresps(const Matx33f& _K, const Matx33f& _K_inv, const Mat& Rt, |
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void computeCorresps(const Matx33f& _K, const Mat& rt, |
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const Mat& imageSrc, const Mat& depthSrc, const Mat& validMaskSrc, |
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const Mat& imageDst, const Mat& depthDst, const Mat& selectMaskDst, float maxDepthDiff, |
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Mat& _corresps, Mat& _diffs, double& _sigma, OdometryType method) |
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{ |
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CV_Assert(Rt.type() == CV_64FC1); |
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Mat mrtInv = rt.inv(DECOMP_SVD); |
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Matx44d rtInv = mrtInv; |
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Mat corresps(depthDst.size(), CV_16SC2, Scalar::all(-1)); |
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Mat diffs(depthDst.size(), CV_32F, Scalar::all(-1)); |
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Mat diffs; |
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if (method == OdometryType::RGB) |
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diffs = Mat(depthDst.size(), CV_32F, Scalar::all(-1)); |
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// src_2d = K * src_3d, src_3d = K_inv * [src_2d | z]
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//
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Matx33d K(_K), K_inv(_K_inv); |
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Matx33d K(_K); |
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Matx33d K_inv = K.inv(DECOMP_SVD); |
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Rect r(0, 0, depthDst.cols, depthDst.rows); |
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Mat Kt = Rt(Rect(3, 0, 1, 3)).clone(); |
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Kt = K * Kt; |
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const double* Kt_ptr = Kt.ptr<const double>(); |
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Matx31d tinv = rtInv.get_minor<3, 1>(0, 3); |
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Matx31d ktinvm = K * tinv; |
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//const double* Kt_ptr = Kt.ptr<const double>();
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Point3d ktinv(ktinvm(0, 0), ktinvm(1, 0), ktinvm(2, 0)); |
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AutoBuffer<float> buf(3 * (depthDst.cols + depthDst.rows)); |
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float* KRK_inv0_u1 = buf.data(); |
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float* KRK_inv1_v1_plus_KRK_inv2 = KRK_inv0_u1 + depthDst.cols; |
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float* KRK_inv3_u1 = KRK_inv1_v1_plus_KRK_inv2 + depthDst.rows; |
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float* KRK_inv4_v1_plus_KRK_inv5 = KRK_inv3_u1 + depthDst.cols; |
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float* KRK_inv6_u1 = KRK_inv4_v1_plus_KRK_inv5 + depthDst.rows; |
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float* KRK_inv7_v1_plus_KRK_inv8 = KRK_inv6_u1 + depthDst.cols; |
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float* KRK_inv1_v1_plus_KRK_inv2 = buf.data() + depthDst.cols; |
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float* KRK_inv3_u1 = buf.data() + depthDst.cols + depthDst.rows; |
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float* KRK_inv4_v1_plus_KRK_inv5 = buf.data() + depthDst.cols * 2 + depthDst.rows; |
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float* KRK_inv6_u1 = buf.data() + depthDst.cols * 2 + depthDst.rows * 2; |
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float* KRK_inv7_v1_plus_KRK_inv8 = buf.data() + depthDst.cols * 3 + depthDst.rows * 2; |
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{ |
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Mat R = Rt(Rect(0, 0, 3, 3)).clone(); |
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Matx33d rinv = rtInv.get_minor<3, 3>(0, 0); |
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Mat KRK_inv = K * R * K_inv; |
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const double* KRK_inv_ptr = KRK_inv.ptr<const double>(); |
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for (int u1 = 0; u1 < depthDst.cols; u1++) |
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Matx33d kriki = K * rinv * K_inv; |
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for (int udst = 0; udst < depthDst.cols; udst++) |
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{ |
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KRK_inv0_u1[u1] = (float)(KRK_inv_ptr[0] * u1); |
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KRK_inv3_u1[u1] = (float)(KRK_inv_ptr[3] * u1); |
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KRK_inv6_u1[u1] = (float)(KRK_inv_ptr[6] * u1); |
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KRK_inv0_u1[udst] = (float)(kriki(0, 0) * udst); |
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KRK_inv3_u1[udst] = (float)(kriki(1, 0) * udst); |
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KRK_inv6_u1[udst] = (float)(kriki(2, 0) * udst); |
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} |
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for (int v1 = 0; v1 < depthDst.rows; v1++) |
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for (int vdst = 0; vdst < depthDst.rows; vdst++) |
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{ |
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KRK_inv1_v1_plus_KRK_inv2[v1] = (float)(KRK_inv_ptr[1] * v1 + KRK_inv_ptr[2]); |
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KRK_inv4_v1_plus_KRK_inv5[v1] = (float)(KRK_inv_ptr[4] * v1 + KRK_inv_ptr[5]); |
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KRK_inv7_v1_plus_KRK_inv8[v1] = (float)(KRK_inv_ptr[7] * v1 + KRK_inv_ptr[8]); |
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KRK_inv1_v1_plus_KRK_inv2[vdst] = (float)(kriki(0, 1) * vdst + kriki(0, 2)); |
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KRK_inv4_v1_plus_KRK_inv5[vdst] = (float)(kriki(1, 1) * vdst + kriki(1, 2)); |
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KRK_inv7_v1_plus_KRK_inv8[vdst] = (float)(kriki(2, 1) * vdst + kriki(2, 2)); |
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} |
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} |
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double sigma = 0; |
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int correspCount = 0; |
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for (int v1 = 0; v1 < depthDst.rows; v1++) |
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for (int vdst = 0; vdst < depthDst.rows; vdst++) |
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{ |
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const float* depth1_row = depthDst.ptr<float>(v1); |
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const uchar* mask1_row = selectMaskDst.ptr<uchar>(v1); |
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for (int u1 = 0; u1 < depthDst.cols; u1++) |
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const float* depthDst_row = depthDst.ptr<float>(vdst); |
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const uchar* maskDst_row = selectMaskDst.ptr<uchar>(vdst); |
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for (int udst = 0; udst < depthDst.cols; udst++) |
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{ |
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float d1 = depth1_row[u1]; |
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if (mask1_row[u1] && !cvIsNaN(d1)) |
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float ddst = depthDst_row[udst]; |
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if (maskDst_row[udst] && !cvIsNaN(ddst)) |
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{ |
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//CV_DbgAssert(!cvIsNaN(d1));
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float transformed_d1 = static_cast<float>(d1 * (KRK_inv6_u1[u1] + KRK_inv7_v1_plus_KRK_inv8[v1]) + |
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Kt_ptr[2]); |
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float transformed_ddst = static_cast<float>(ddst * (KRK_inv6_u1[udst] + KRK_inv7_v1_plus_KRK_inv8[vdst]) + ktinv.z); |
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if (transformed_d1 > 0) |
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if (transformed_ddst > 0) |
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{ |
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float transformed_d1_inv = 1.f / transformed_d1; |
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int u0 = cvRound(transformed_d1_inv * (d1 * (KRK_inv0_u1[u1] + KRK_inv1_v1_plus_KRK_inv2[v1]) + |
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Kt_ptr[0])); |
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int v0 = cvRound(transformed_d1_inv * (d1 * (KRK_inv3_u1[u1] + KRK_inv4_v1_plus_KRK_inv5[v1]) + |
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Kt_ptr[1])); |
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if (r.contains(Point(u0, v0))) |
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float transformed_ddst_inv = 1.f / transformed_ddst; |
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int usrc = cvRound(transformed_ddst_inv * (ddst * (KRK_inv0_u1[udst] + KRK_inv1_v1_plus_KRK_inv2[vdst]) + ktinv.x)); |
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int vsrc = cvRound(transformed_ddst_inv * (ddst * (KRK_inv3_u1[udst] + KRK_inv4_v1_plus_KRK_inv5[vdst]) + ktinv.y)); |
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if (r.contains(Point(usrc, vsrc))) |
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{ |
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float d0 = depthSrc.at<float>(v0, u0); |
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if (validMaskSrc.at<uchar>(v0, u0) && std::abs(transformed_d1 - d0) <= maxDepthDiff) |
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float dsrc = depthSrc.at<float>(vsrc, usrc); |
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if (validMaskSrc.at<uchar>(vsrc, usrc) && std::abs(transformed_ddst - dsrc) <= maxDepthDiff) |
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{ |
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CV_DbgAssert(!cvIsNaN(d0)); |
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Vec2s& c = corresps.at<Vec2s>(v0, u0); |
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float& d = diffs.at<float>(v0, u0); |
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CV_DbgAssert(!cvIsNaN(dsrc)); |
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Vec2s& c = corresps.at<Vec2s>(vsrc, usrc); |
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float diff = 0; |
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if (c[0] != -1) |
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{ |
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@ -941,23 +903,25 @@ void computeCorresps(const Matx33f& _K, const Matx33f& _K_inv, const Mat& Rt, |
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int exist_u1 = c[0], exist_v1 = c[1]; |
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float exist_d1 = (float)(depthDst.at<float>(exist_v1, exist_u1) * |
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(KRK_inv6_u1[exist_u1] + KRK_inv7_v1_plus_KRK_inv8[exist_v1]) + Kt_ptr[2]); |
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(KRK_inv6_u1[exist_u1] + KRK_inv7_v1_plus_KRK_inv8[exist_v1]) + ktinv.z); |
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if (transformed_d1 > exist_d1) |
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if (transformed_ddst > exist_d1) |
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continue; |
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if (method == OdometryType::RGB) |
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diff = static_cast<float>(static_cast<int>(imageSrc.at<uchar>(v0, u0)) - |
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static_cast<int>(imageDst.at<uchar>(v1, u1))); |
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diff = static_cast<float>(static_cast<int>(imageSrc.at<uchar>(vsrc, usrc)) - |
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static_cast<int>(imageDst.at<uchar>(vdst, udst))); |
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} |
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else |
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{ |
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if (method == OdometryType::RGB) |
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diff = static_cast<float>(static_cast<int>(imageSrc.at<uchar>(v0, u0)) - |
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static_cast<int>(imageDst.at<uchar>(v1, u1))); |
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diff = static_cast<float>(static_cast<int>(imageSrc.at<uchar>(vsrc, usrc)) - |
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static_cast<int>(imageDst.at<uchar>(vdst, udst))); |
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correspCount++; |
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} |
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c = Vec2s((short)u1, (short)v1); |
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d = diff; |
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c = Vec2s((short)udst, (short)vdst); |
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if (method == OdometryType::RGB) |
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{ |
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diffs.at<float>(vsrc, usrc) = diff; |
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sigma += diff * diff; |
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} |
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} |
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@ -965,24 +929,31 @@ void computeCorresps(const Matx33f& _K, const Matx33f& _K_inv, const Mat& Rt, |
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} |
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} |
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} |
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} |
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_sigma = std::sqrt(sigma / double(correspCount)); |
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_corresps.create(correspCount, 1, CV_32SC4); |
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_diffs.create(correspCount, 1, CV_32F); |
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Vec4i* corresps_ptr = _corresps.ptr<Vec4i>(); |
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float* diffs_ptr = _diffs.ptr<float>(); |
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for (int v0 = 0, i = 0; v0 < corresps.rows; v0++) |
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float* diffs_ptr; |
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if (method == OdometryType::RGB) |
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{ |
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const Vec2s* corresps_row = corresps.ptr<Vec2s>(v0); |
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const float* diffs_row = diffs.ptr<float>(v0); |
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for (int u0 = 0; u0 < corresps.cols; u0++) |
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_diffs.create(correspCount, 1, CV_32F); |
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|
diffs_ptr = _diffs.ptr<float>(); |
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|
} |
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for (int vsrc = 0, i = 0; vsrc < corresps.rows; vsrc++) |
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|
{ |
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|
const Vec2s* corresps_row = corresps.ptr<Vec2s>(vsrc); |
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|
const float* diffs_row; |
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|
|
if (method == OdometryType::RGB) |
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|
diffs_row = diffs.ptr<float>(vsrc); |
|
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|
|
for (int usrc = 0; usrc < corresps.cols; usrc++) |
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|
|
{ |
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|
const Vec2s& c = corresps_row[u0]; |
|
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|
|
const float& d = diffs_row[u0]; |
|
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|
|
const Vec2s& c = corresps_row[usrc]; |
|
|
|
|
const float& d = diffs_row[usrc]; |
|
|
|
|
if (c[0] != -1) |
|
|
|
|
{ |
|
|
|
|
corresps_ptr[i] = Vec4i(u0, v0, c[0], c[1]); |
|
|
|
|
corresps_ptr[i] = Vec4i(usrc, vsrc, c[0], c[1]); |
|
|
|
|
if (method == OdometryType::RGB) |
|
|
|
|
diffs_ptr[i] = d; |
|
|
|
|
i++; |
|
|
|
@ -1003,7 +974,7 @@ void calcRgbdLsmMatrices(const Mat& cloud0, const Mat& Rt, |
|
|
|
|
double* AtB_ptr = AtB.ptr<double>(); |
|
|
|
|
|
|
|
|
|
CV_Assert(Rt.type() == CV_64FC1); |
|
|
|
|
const double* Rt_ptr = Rt.ptr<const double>(); |
|
|
|
|
Affine3d rtmat(Rt); |
|
|
|
|
|
|
|
|
|
const float* diffs_ptr = _diffs.ptr<float>(); |
|
|
|
|
const Vec4i* corresps_ptr = corresps.ptr<Vec4i>(); |
|
|
|
@ -1024,10 +995,7 @@ void calcRgbdLsmMatrices(const Mat& cloud0, const Mat& Rt, |
|
|
|
|
double w_sobelScale = w * sobelScaleIn; |
|
|
|
|
|
|
|
|
|
const Vec4f& p0 = cloud0.at<Vec4f>(v0, u0); |
|
|
|
|
Point3f tp0; |
|
|
|
|
tp0.x = (float)(p0[0] * Rt_ptr[0] + p0[1] * Rt_ptr[1] + p0[2] * Rt_ptr[2] + Rt_ptr[3]); |
|
|
|
|
tp0.y = (float)(p0[0] * Rt_ptr[4] + p0[1] * Rt_ptr[5] + p0[2] * Rt_ptr[6] + Rt_ptr[7]); |
|
|
|
|
tp0.z = (float)(p0[0] * Rt_ptr[8] + p0[1] * Rt_ptr[9] + p0[2] * Rt_ptr[10] + Rt_ptr[11]); |
|
|
|
|
Point3f tp0 = rtmat * Point3f(p0[0], p0[1], p0[2]); |
|
|
|
|
|
|
|
|
|
rgbdCoeffsFunc(transformType, |
|
|
|
|
A_ptr, |
|
|
|
@ -1055,7 +1023,7 @@ void calcRgbdLsmMatrices(const Mat& cloud0, const Mat& Rt, |
|
|
|
|
void calcICPLsmMatrices(const Mat& cloud0, const Mat& Rt, |
|
|
|
|
const Mat& cloud1, const Mat& normals1, |
|
|
|
|
const Mat& corresps, |
|
|
|
|
Mat& AtA, Mat& AtB, double& scale, OdometryTransformType transformType) |
|
|
|
|
Mat& AtA, Mat& AtB, OdometryTransformType transformType) |
|
|
|
|
{ |
|
|
|
|
int transformDim = getTransformDim(transformType); |
|
|
|
|
AtA = Mat(transformDim, transformDim, CV_64FC1, Scalar(0)); |
|
|
|
@ -1084,9 +1052,9 @@ void calcICPLsmMatrices(const Mat& cloud0, const Mat& Rt, |
|
|
|
|
|
|
|
|
|
const Vec4f& p0 = cloud0.at<Vec4f>(v0, u0); |
|
|
|
|
Point3f tp0; |
|
|
|
|
tp0.x = (float)(p0[0] * scale * Rt_ptr[0] + p0[1] * scale * Rt_ptr[1] + p0[2] * scale * Rt_ptr[2] + Rt_ptr[3]); |
|
|
|
|
tp0.y = (float)(p0[0] * scale * Rt_ptr[4] + p0[1] * scale * Rt_ptr[5] + p0[2] * scale * Rt_ptr[6] + Rt_ptr[7]); |
|
|
|
|
tp0.z = (float)(p0[0] * scale * Rt_ptr[8] + p0[1] * scale * Rt_ptr[9] + p0[2] * scale * Rt_ptr[10] + Rt_ptr[11]); |
|
|
|
|
tp0.x = (float)(p0[0] * Rt_ptr[0] + p0[1] * Rt_ptr[1] + p0[2] * Rt_ptr[2] + Rt_ptr[3]); |
|
|
|
|
tp0.y = (float)(p0[0] * Rt_ptr[4] + p0[1] * Rt_ptr[5] + p0[2] * Rt_ptr[6] + Rt_ptr[7]); |
|
|
|
|
tp0.z = (float)(p0[0] * Rt_ptr[8] + p0[1] * Rt_ptr[9] + p0[2] * Rt_ptr[10] + Rt_ptr[11]); |
|
|
|
|
|
|
|
|
|
Vec4f n1 = normals1.at<Vec4f>(v1, u1); |
|
|
|
|
Vec4f _v = cloud1.at<Vec4f>(v1, u1); |
|
|
|
|