Esempio n. 1
0
TEST (RANSAC, SampleConsensusModelCircle2D)
{
  srand (0);

  // Use a custom point cloud for these tests until we need something better
  PointCloud<PointXYZ> cloud;
  cloud.points.resize (18);

  cloud.points[0].x = 3.587751f;  cloud.points[0].y = -4.190982f;  cloud.points[0].z = 0.0f;
  cloud.points[1].x = 3.808883f;  cloud.points[1].y = -4.412265f;  cloud.points[1].z = 0.0f;
  cloud.points[2].x = 3.587525f;  cloud.points[2].y = -5.809143f;  cloud.points[2].z = 0.0f;
  cloud.points[3].x = 2.999913f;  cloud.points[3].y = -5.999980f;  cloud.points[3].z = 0.0f;
  cloud.points[4].x = 2.412224f;  cloud.points[4].y = -5.809090f;  cloud.points[4].z = 0.0f;
  cloud.points[5].x = 2.191080f;  cloud.points[5].y = -5.587682f;  cloud.points[5].z = 0.0f;
  cloud.points[6].x = 2.048941f;  cloud.points[6].y = -5.309003f;  cloud.points[6].z = 0.0f;
  cloud.points[7].x = 2.000397f;  cloud.points[7].y = -4.999944f;  cloud.points[7].z = 0.0f;
  cloud.points[8].x = 2.999953f;  cloud.points[8].y = -6.000056f;  cloud.points[8].z = 0.0f;
  cloud.points[9].x = 2.691127f;  cloud.points[9].y = -5.951136f;  cloud.points[9].z = 0.0f;
  cloud.points[10].x = 2.190892f; cloud.points[10].y = -5.587838f; cloud.points[10].z = 0.0f;
  cloud.points[11].x = 2.048874f; cloud.points[11].y = -5.309052f; cloud.points[11].z = 0.0f;
  cloud.points[12].x = 1.999990f; cloud.points[12].y = -5.000147f; cloud.points[12].z = 0.0f;
  cloud.points[13].x = 2.049026f; cloud.points[13].y = -4.690918f; cloud.points[13].z = 0.0f;
  cloud.points[14].x = 2.190956f; cloud.points[14].y = -4.412162f; cloud.points[14].z = 0.0f;
  cloud.points[15].x = 2.412231f; cloud.points[15].y = -4.190918f; cloud.points[15].z = 0.0f;
  cloud.points[16].x = 2.691027f; cloud.points[16].y = -4.049060f; cloud.points[16].z = 0.0f;
  cloud.points[17].x = 2.0f;      cloud.points[17].y = -3.0f;      cloud.points[17].z = 0.0f;

  // Create a shared 2d circle model pointer directly
  SampleConsensusModelCircle2DPtr model (new SampleConsensusModelCircle2D<PointXYZ> (cloud.makeShared ()));

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.03);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_EQ (result, true);

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (int (sample.size ()), 3);

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (int (inliers.size ()), 17);

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (int (coeff.size ()), 3);
  EXPECT_NEAR (coeff[0],  3, 1e-3);
  EXPECT_NEAR (coeff[1], -5, 1e-3);
  EXPECT_NEAR (coeff[2],  1, 1e-3);

  Eigen::VectorXf coeff_refined;
  model->optimizeModelCoefficients (inliers, coeff, coeff_refined);
  EXPECT_EQ (int (coeff_refined.size ()), 3);
  EXPECT_NEAR (coeff_refined[0],  3, 1e-3);
  EXPECT_NEAR (coeff_refined[1], -5, 1e-3);
  EXPECT_NEAR (coeff_refined[2],  1, 1e-3);
}
TEST (SampleConsensusModelParallelLine, RANSAC)
{
  PointCloud<PointXYZ> cloud (16, 1);

  // Line 1
  cloud.points[0].getVector3fMap () <<  1.0f,  2.00f,  3.00f;
  cloud.points[1].getVector3fMap () <<  4.0f,  5.00f,  6.00f;
  cloud.points[2].getVector3fMap () <<  7.0f,  8.00f,  9.00f;
  cloud.points[3].getVector3fMap () << 10.0f, 11.00f, 12.00f;
  cloud.points[4].getVector3fMap () << 13.0f, 14.00f, 15.00f;
  cloud.points[5].getVector3fMap () << 16.0f, 17.00f, 18.00f;
  cloud.points[6].getVector3fMap () << 19.0f, 20.00f, 21.00f;
  cloud.points[7].getVector3fMap () << 22.0f, 23.00f, 24.00f;
  // Random points
  cloud.points[8].getVector3fMap () << -5.0f,  1.57f,  0.75f;
  cloud.points[9].getVector3fMap () <<  4.0f,  2.00f,  3.00f;
  // Line 2 (parallel to the Z axis)
  cloud.points[10].getVector3fMap () << -1.00f,  5.00f,  0.0f;
  cloud.points[11].getVector3fMap () << -1.05f,  5.01f,  1.0f;
  cloud.points[12].getVector3fMap () << -1.01f,  5.05f,  2.0f;
  cloud.points[13].getVector3fMap () << -1.05f,  5.01f,  3.0f;
  cloud.points[14].getVector3fMap () << -1.01f,  5.05f,  4.0f;
  cloud.points[15].getVector3fMap () << -1.05f,  5.01f,  5.0f;

  // Create a shared line model pointer directly
  SampleConsensusModelParallelLinePtr model (new SampleConsensusModelParallelLine<PointXYZ> (cloud.makeShared ()));
  model->setAxis (Eigen::Vector3f (0, 0, 1));
  model->setEpsAngle (0.1);

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.1);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_TRUE (result);

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (2, sample.size ());

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (6, inliers.size ());

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (6, coeff.size ());
  EXPECT_NEAR (0, coeff[3], 1e-4);
  EXPECT_NEAR (0, coeff[4], 1e-4);
  EXPECT_NEAR (1, coeff[5], 1e-4);

  // Projection tests
  PointCloud<PointXYZ> proj_points;
  model->projectPoints (inliers, coeff, proj_points);

  EXPECT_XYZ_NEAR (PointXYZ (-1.05, 5.05, 3.0), proj_points.points[13], 0.1);
  EXPECT_XYZ_NEAR (PointXYZ (-1.05, 5.05, 4.0), proj_points.points[14], 0.1);
}
TEST (SampleConsensusModelLine, RANSAC)
{
  // Use a custom point cloud for these tests until we need something better
  PointCloud<PointXYZ> cloud;
  cloud.points.resize (10);

  cloud.points[0].getVector3fMap () <<  1.0f,  2.00f,  3.00f;
  cloud.points[1].getVector3fMap () <<  4.0f,  5.00f,  6.00f;
  cloud.points[2].getVector3fMap () <<  7.0f,  8.00f,  9.00f;
  cloud.points[3].getVector3fMap () << 10.0f, 11.00f, 12.00f;
  cloud.points[4].getVector3fMap () << 13.0f, 14.00f, 15.00f;
  cloud.points[5].getVector3fMap () << 16.0f, 17.00f, 18.00f;
  cloud.points[6].getVector3fMap () << 19.0f, 20.00f, 21.00f;
  cloud.points[7].getVector3fMap () << 22.0f, 23.00f, 24.00f;
  cloud.points[8].getVector3fMap () << -5.0f,  1.57f,  0.75f;
  cloud.points[9].getVector3fMap () <<  4.0f,  2.00f,  3.00f;

  // Create a shared line model pointer directly
  SampleConsensusModelLinePtr model (new SampleConsensusModelLine<PointXYZ> (cloud.makeShared ()));

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.001);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_TRUE (result);

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (2, sample.size ());

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (8, inliers.size ());

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (6, coeff.size ());
  EXPECT_NEAR (1, coeff[4] / coeff[3], 1e-4);
  EXPECT_NEAR (1, coeff[5] / coeff[3], 1e-4);

  Eigen::VectorXf coeff_refined;
  model->optimizeModelCoefficients (inliers, coeff, coeff_refined);
  EXPECT_EQ (6, coeff_refined.size ());
  EXPECT_NEAR (1, coeff[4] / coeff[3], 1e-4);
  EXPECT_NEAR (1, coeff[5] / coeff[3], 1e-4);

  // Projection tests
  PointCloud<PointXYZ> proj_points;
  model->projectPoints (inliers, coeff_refined, proj_points);

  EXPECT_XYZ_NEAR (PointXYZ ( 7.0,  8.0,  9.0), proj_points.points[2], 1e-4);
  EXPECT_XYZ_NEAR (PointXYZ (10.0, 11.0, 12.0), proj_points.points[3], 1e-4);
  EXPECT_XYZ_NEAR (PointXYZ (16.0, 17.0, 18.0), proj_points.points[5], 1e-4);
}
Esempio n. 4
0
TEST (RANSAC, SampleConsensusModelSphere)
{
  srand (0);

  // Use a custom point cloud for these tests until we need something better
  PointCloud<PointXYZ> cloud;
  cloud.points.resize (10);
  cloud.points[0].x = 1.7068f; cloud.points[0].y = 1.0684f; cloud.points[0].z = 2.2147f;
  cloud.points[1].x = 2.4708f; cloud.points[1].y = 2.3081f; cloud.points[1].z = 1.1736f;
  cloud.points[2].x = 2.7609f; cloud.points[2].y = 1.9095f; cloud.points[2].z = 1.3574f;
  cloud.points[3].x = 2.8016f; cloud.points[3].y = 1.6704f; cloud.points[3].z = 1.5009f;
  cloud.points[4].x = 1.8517f; cloud.points[4].y = 2.0276f; cloud.points[4].z = 1.0112f;
  cloud.points[5].x = 1.8726f; cloud.points[5].y = 1.3539f; cloud.points[5].z = 2.7523f;
  cloud.points[6].x = 2.5179f; cloud.points[6].y = 2.3218f; cloud.points[6].z = 1.2074f;
  cloud.points[7].x = 2.4026f; cloud.points[7].y = 2.5114f; cloud.points[7].z = 2.7588f;
  cloud.points[8].x = 2.6999f; cloud.points[8].y = 2.5606f; cloud.points[8].z = 1.5571f;
  cloud.points[9].x = 0.0f;    cloud.points[9].y = 0.0f;    cloud.points[9].z = 0.0f;

  // Create a shared sphere model pointer directly
  SampleConsensusModelSpherePtr model (new SampleConsensusModelSphere<PointXYZ> (cloud.makeShared ()));

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.03);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_EQ (result, true);

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (int (sample.size ()), 4);

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (int (inliers.size ()), 9);

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (int (coeff.size ()), 4);
  EXPECT_NEAR (coeff[0]/coeff[3], 2,  1e-2);
  EXPECT_NEAR (coeff[1]/coeff[3], 2,  1e-2);
  EXPECT_NEAR (coeff[2]/coeff[3], 2,  1e-2);

  Eigen::VectorXf coeff_refined;
  model->optimizeModelCoefficients (inliers, coeff, coeff_refined);
  EXPECT_EQ (int (coeff_refined.size ()), 4);
  EXPECT_NEAR (coeff_refined[0]/coeff_refined[3], 2,  1e-2);
  EXPECT_NEAR (coeff_refined[1]/coeff_refined[3], 2,  1e-2);
  EXPECT_NEAR (coeff_refined[2]/coeff_refined[3], 2,  1e-2);
}
Esempio n. 5
0
TEST (RANSAC, SampleConsensusModelLine)
{
  srand (0);

  // Use a custom point cloud for these tests until we need something better
  PointCloud<PointXYZ> cloud;
  cloud.points.resize (10);

  cloud.points[0].x = 1.0f;  cloud.points[0].y = 2.0f;  cloud.points[0].z = 3.0f;
  cloud.points[1].x = 4.0f;  cloud.points[1].y = 5.0f;  cloud.points[1].z = 6.0f;
  cloud.points[2].x = 7.0f;  cloud.points[2].y = 8.0f;  cloud.points[2].z = 9.0f;
  cloud.points[3].x = 10.0f; cloud.points[3].y = 11.0f; cloud.points[3].z = 12.0f;
  cloud.points[4].x = 13.0f; cloud.points[4].y = 14.0f; cloud.points[4].z = 15.0f;
  cloud.points[5].x = 16.0f; cloud.points[5].y = 17.0f; cloud.points[5].z = 18.0f;
  cloud.points[6].x = 19.0f; cloud.points[6].y = 20.0f; cloud.points[6].z = 21.0f;
  cloud.points[7].x = 22.0f; cloud.points[7].y = 23.0f; cloud.points[7].z = 24.0f;
  cloud.points[8].x = -5.0f; cloud.points[8].y = 1.57f; cloud.points[8].z = 0.75f;
  cloud.points[9].x = 4.0f;  cloud.points[9].y = 2.0f;  cloud.points[9].z = 3.0f;

  // Create a shared line model pointer directly
  SampleConsensusModelLinePtr model (new SampleConsensusModelLine<PointXYZ> (cloud.makeShared ()));

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.001);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_EQ (result, true);

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (int (sample.size ()), 2);

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (int (inliers.size ()), 8);

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (int (coeff.size ()), 6);
  EXPECT_NEAR (coeff[4]/coeff[3], 1, 1e-4);
  EXPECT_NEAR (coeff[5]/coeff[3], 1, 1e-4);

  Eigen::VectorXf coeff_refined;
  model->optimizeModelCoefficients (inliers, coeff, coeff_refined);
  EXPECT_EQ (int (coeff_refined.size ()), 6);
  EXPECT_NEAR (coeff[4]/coeff[3], 1, 1e-4);
  EXPECT_NEAR (coeff[5]/coeff[3], 1, 1e-4);

  // Projection tests
  PointCloud<PointXYZ> proj_points;
  model->projectPoints (inliers, coeff_refined, proj_points);

  EXPECT_NEAR (proj_points.points[2].x, 7.0, 1e-4);
  EXPECT_NEAR (proj_points.points[2].y, 8.0, 1e-4);
  EXPECT_NEAR (proj_points.points[2].z, 9.0, 1e-4);

  EXPECT_NEAR (proj_points.points[3].x, 10.0, 1e-4);
  EXPECT_NEAR (proj_points.points[3].y, 11.0, 1e-4);
  EXPECT_NEAR (proj_points.points[3].z, 12.0, 1e-4);

  EXPECT_NEAR (proj_points.points[5].x, 16.0, 1e-4);
  EXPECT_NEAR (proj_points.points[5].y, 17.0, 1e-4);
  EXPECT_NEAR (proj_points.points[5].z, 18.0, 1e-4);
}
Esempio n. 6
0
TEST (RANSAC, SampleConsensusModelCircle3D)
{
  srand (0);

  // Use a custom point cloud for these tests until we need something better
  PointCloud<PointXYZ> cloud;
  cloud.points.resize (20);

  cloud.points[0].x = 1.0f;  	    cloud.points[0].y = 5.0f;        cloud.points[0].z = -2.9000001f;
  cloud.points[1].x = 1.034202f;    cloud.points[1].y = 5.0f;        cloud.points[1].z = -2.9060307f;
  cloud.points[2].x = 1.0642787f;   cloud.points[2].y = 5.0f;        cloud.points[2].z = -2.9233956f;
  cloud.points[3].x = 1.0866026f;   cloud.points[3].y = 5.0f;  	     cloud.points[3].z = -2.95f;
  cloud.points[4].x = 1.0984808f;   cloud.points[4].y = 5.0f;  	     cloud.points[4].z = -2.9826353f;
  cloud.points[5].x = 1.0984808f;   cloud.points[5].y = 5.0f;        cloud.points[5].z = -3.0173647f;
  cloud.points[6].x = 1.0866026f;   cloud.points[6].y = 5.0f;  	     cloud.points[6].z = -3.05f;
  cloud.points[7].x = 1.0642787f;   cloud.points[7].y = 5.0f;  	     cloud.points[7].z = -3.0766044f;
  cloud.points[8].x = 1.034202f;    cloud.points[8].y = 5.0f;  	     cloud.points[8].z = -3.0939693f;
  cloud.points[9].x = 1.0f;         cloud.points[9].y = 5.0f;  	     cloud.points[9].z = -3.0999999f;
  cloud.points[10].x = 0.96579796f; cloud.points[10].y = 5.0f; 	     cloud.points[10].z = -3.0939693f;
  cloud.points[11].x = 0.93572122f; cloud.points[11].y = 5.0f; 	     cloud.points[11].z = -3.0766044f;
  cloud.points[12].x = 0.91339743f; cloud.points[12].y = 5.0f; 	     cloud.points[12].z = -3.05f;
  cloud.points[13].x = 0.90151924f; cloud.points[13].y = 5.0f; 	     cloud.points[13].z = -3.0173647f;
  cloud.points[14].x = 0.90151924f; cloud.points[14].y = 5.0f; 	     cloud.points[14].z = -2.9826353f;
  cloud.points[15].x = 0.91339743f; cloud.points[15].y = 5.0f; 	     cloud.points[15].z = -2.95f;
  cloud.points[16].x = 0.93572122f; cloud.points[16].y = 5.0f; 	     cloud.points[16].z = -2.9233956f;
  cloud.points[17].x = 0.96579796f; cloud.points[17].y = 5.0;        cloud.points[17].z = -2.9060307f;
  cloud.points[18].x = 0.85000002f; cloud.points[18].y = 4.8499999f; cloud.points[18].z = -3.1500001f;
  cloud.points[19].x = 1.15f; 	    cloud.points[19].y = 5.1500001f; cloud.points[19].z = -2.8499999f;

  // Create a shared 3d circle model pointer directly
  SampleConsensusModelCircle3DPtr model (new SampleConsensusModelCircle3D<PointXYZ> (cloud.makeShared ()));

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.03);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_EQ (result, true);

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (int (sample.size ()), 3);

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (int (inliers.size ()), 18);

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (int (coeff.size ()), 7);
  EXPECT_NEAR (coeff[0],  1, 1e-3);
  EXPECT_NEAR (coeff[1],  5, 1e-3);
  EXPECT_NEAR (coeff[2], -3, 1e-3);
  EXPECT_NEAR (coeff[3],0.1, 1e-3);
  EXPECT_NEAR (coeff[4],  0, 1e-3);
  EXPECT_NEAR (coeff[5], -1, 1e-3);
  EXPECT_NEAR (coeff[6],  0, 1e-3);

  Eigen::VectorXf coeff_refined;
  model->optimizeModelCoefficients (inliers, coeff, coeff_refined);
  EXPECT_EQ (int (coeff_refined.size ()), 7);
  EXPECT_NEAR (coeff_refined[0],  1, 1e-3);
  EXPECT_NEAR (coeff_refined[1],  5, 1e-3);
  EXPECT_NEAR (coeff_refined[2], -3, 1e-3);
  EXPECT_NEAR (coeff_refined[3],0.1, 1e-3);
  EXPECT_NEAR (coeff_refined[4],  0, 1e-3);
  EXPECT_NEAR (coeff_refined[5], -1, 1e-3);
  EXPECT_NEAR (coeff_refined[6],  0, 1e-3);
}
Esempio n. 7
0
TEST (RANSAC, SampleConsensusModelCylinder)
{
  srand (0);

  // Use a custom point cloud for these tests until we need something better
  PointCloud<PointXYZ> cloud;
  PointCloud<Normal> normals;
  cloud.points.resize (20); normals.points.resize (20);

  cloud.points[0].x =  -0.499902f; cloud.points[0].y =  2.199701f; cloud.points[0].z =  0.000008f;
  cloud.points[1].x =  -0.875397f; cloud.points[1].y =  2.030177f; cloud.points[1].z =  0.050104f;
  cloud.points[2].x =  -0.995875f; cloud.points[2].y =  1.635973f; cloud.points[2].z =  0.099846f;
  cloud.points[3].x =  -0.779523f; cloud.points[3].y =  1.285527f; cloud.points[3].z =  0.149961f;
  cloud.points[4].x =  -0.373285f; cloud.points[4].y =  1.216488f; cloud.points[4].z =  0.199959f;
  cloud.points[5].x =  -0.052893f; cloud.points[5].y =  1.475973f; cloud.points[5].z =  0.250101f;
  cloud.points[6].x =  -0.036558f; cloud.points[6].y =  1.887591f; cloud.points[6].z =  0.299839f;
  cloud.points[7].x =  -0.335048f; cloud.points[7].y =  2.171994f; cloud.points[7].z =  0.350001f;
  cloud.points[8].x =  -0.745456f; cloud.points[8].y =  2.135528f; cloud.points[8].z =  0.400072f;
  cloud.points[9].x =  -0.989282f; cloud.points[9].y =  1.803311f; cloud.points[9].z =  0.449983f;
  cloud.points[10].x = -0.900651f; cloud.points[10].y = 1.400701f; cloud.points[10].z = 0.500126f;
  cloud.points[11].x = -0.539658f; cloud.points[11].y = 1.201468f; cloud.points[11].z = 0.550079f;
  cloud.points[12].x = -0.151875f; cloud.points[12].y = 1.340951f; cloud.points[12].z = 0.599983f;
  cloud.points[13].x = -0.000724f; cloud.points[13].y = 1.724373f; cloud.points[13].z = 0.649882f;
  cloud.points[14].x = -0.188573f; cloud.points[14].y = 2.090983f; cloud.points[14].z = 0.699854f;
  cloud.points[15].x = -0.587925f; cloud.points[15].y = 2.192257f; cloud.points[15].z = 0.749956f;
  cloud.points[16].x = -0.927724f; cloud.points[16].y = 1.958846f; cloud.points[16].z = 0.800008f;
  cloud.points[17].x = -0.976888f; cloud.points[17].y = 1.549655f; cloud.points[17].z = 0.849970f;
  cloud.points[18].x = -0.702003f; cloud.points[18].y = 1.242707f; cloud.points[18].z = 0.899954f;
  cloud.points[19].x = -0.289916f; cloud.points[19].y = 1.246296f; cloud.points[19].z = 0.950075f;

  normals.points[0].normal[0] =   0.000098f; normals.points[0].normal[1] =   1.000098f; normals.points[0].normal[2] =   0.000008f;
  normals.points[1].normal[0] =  -0.750891f; normals.points[1].normal[1] =   0.660413f; normals.points[1].normal[2] =   0.000104f;
  normals.points[2].normal[0] =  -0.991765f; normals.points[2].normal[1] =  -0.127949f; normals.points[2].normal[2] =  -0.000154f;
  normals.points[3].normal[0] =  -0.558918f; normals.points[3].normal[1] =  -0.829439f; normals.points[3].normal[2] =  -0.000039f;
  normals.points[4].normal[0] =   0.253627f; normals.points[4].normal[1] =  -0.967447f; normals.points[4].normal[2] =  -0.000041f;
  normals.points[5].normal[0] =   0.894105f; normals.points[5].normal[1] =  -0.447965f; normals.points[5].normal[2] =   0.000101f;
  normals.points[6].normal[0] =   0.926852f; normals.points[6].normal[1] =   0.375543f; normals.points[6].normal[2] =  -0.000161f;
  normals.points[7].normal[0] =   0.329948f; normals.points[7].normal[1] =   0.943941f; normals.points[7].normal[2] =   0.000001f;
  normals.points[8].normal[0] =  -0.490966f; normals.points[8].normal[1] =   0.871203f; normals.points[8].normal[2] =   0.000072f;
  normals.points[9].normal[0] =  -0.978507f; normals.points[9].normal[1] =   0.206425f; normals.points[9].normal[2] =  -0.000017f;
  normals.points[10].normal[0] = -0.801227f; normals.points[10].normal[1] = -0.598534f; normals.points[10].normal[2] =  0.000126f;
  normals.points[11].normal[0] = -0.079447f; normals.points[11].normal[1] = -0.996697f; normals.points[11].normal[2] =  0.000079f;
  normals.points[12].normal[0] =  0.696154f; normals.points[12].normal[1] = -0.717889f; normals.points[12].normal[2] = -0.000017f;
  normals.points[13].normal[0] =  0.998685f; normals.points[13].normal[1] =  0.048502f; normals.points[13].normal[2] = -0.000118f;
  normals.points[14].normal[0] =  0.622933f; normals.points[14].normal[1] =  0.782133f; normals.points[14].normal[2] = -0.000146f;
  normals.points[15].normal[0] = -0.175948f; normals.points[15].normal[1] =  0.984480f; normals.points[15].normal[2] = -0.000044f;
  normals.points[16].normal[0] = -0.855476f; normals.points[16].normal[1] =  0.517824f; normals.points[16].normal[2] =  0.000008f;
  normals.points[17].normal[0] = -0.953769f; normals.points[17].normal[1] = -0.300571f; normals.points[17].normal[2] = -0.000030f;
  normals.points[18].normal[0] = -0.404035f; normals.points[18].normal[1] = -0.914700f; normals.points[18].normal[2] = -0.000046f;
  normals.points[19].normal[0] =  0.420154f; normals.points[19].normal[1] = -0.907445f; normals.points[19].normal[2] =  0.000075f;

  // Create a shared cylinder model pointer directly
  SampleConsensusModelCylinderPtr model (new SampleConsensusModelCylinder<PointXYZ, Normal> (cloud.makeShared ()));
  model->setInputNormals (normals.makeShared ());

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.03);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_EQ (result, true);

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (int (sample.size ()), 2);

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (int (inliers.size ()), 20);

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (int (coeff.size ()), 7);
  EXPECT_NEAR (coeff[0], -0.5, 1e-3);
  EXPECT_NEAR (coeff[1],  1.7,  1e-3);
  EXPECT_NEAR (coeff[6],  0.5, 1e-3);

  Eigen::VectorXf coeff_refined;
  model->optimizeModelCoefficients (inliers, coeff, coeff_refined);
  EXPECT_EQ (int (coeff_refined.size ()), 7);
  EXPECT_NEAR (coeff_refined[6], 0.5, 1e-3);
}
Esempio n. 8
0
TEST (RANSAC, SampleConsensusModelCone)
{
  srand (0);

  // Use a custom point cloud for these tests until we need something better
  PointCloud<PointXYZ> cloud;
  PointCloud<Normal> normals;
  cloud.points.resize (31); normals.points.resize (31);

  cloud.points[0].x = -0.011247f; cloud.points[0].y = 0.200000f; cloud.points[0].z = 0.965384f; 
  cloud.points[1].x =  0.000000f; cloud.points[1].y = 0.200000f; cloud.points[1].z = 0.963603f; 
  cloud.points[2].x =  0.011247f; cloud.points[2].y = 0.200000f; cloud.points[2].z = 0.965384f; 
  cloud.points[3].x = -0.016045f; cloud.points[3].y = 0.175000f; cloud.points[3].z = 0.977916f; 
  cloud.points[4].x = -0.008435f; cloud.points[4].y = 0.175000f; cloud.points[4].z = 0.974038f; 
  cloud.points[5].x =  0.004218f; cloud.points[5].y = 0.175000f; cloud.points[5].z = 0.973370f; 
  cloud.points[6].x =  0.016045f; cloud.points[6].y = 0.175000f; cloud.points[6].z = 0.977916f; 
  cloud.points[7].x = -0.025420f; cloud.points[7].y = 0.200000f; cloud.points[7].z = 0.974580f; 
  cloud.points[8].x =  0.025420f; cloud.points[8].y = 0.200000f; cloud.points[8].z = 0.974580f; 
  cloud.points[9].x = -0.012710f; cloud.points[9].y = 0.150000f; cloud.points[9].z = 0.987290f; 
  cloud.points[10].x = -0.005624f; cloud.points[10].y = 0.150000f; cloud.points[10].z = 0.982692f; 
  cloud.points[11].x =  0.002812f; cloud.points[11].y = 0.150000f; cloud.points[11].z = 0.982247f; 
  cloud.points[12].x =  0.012710f; cloud.points[12].y = 0.150000f; cloud.points[12].z = 0.987290f; 
  cloud.points[13].x = -0.022084f; cloud.points[13].y = 0.175000f; cloud.points[13].z = 0.983955f; 
  cloud.points[14].x =  0.022084f; cloud.points[14].y = 0.175000f; cloud.points[14].z = 0.983955f; 
  cloud.points[15].x = -0.034616f; cloud.points[15].y = 0.200000f; cloud.points[15].z = 0.988753f; 
  cloud.points[16].x =  0.034616f; cloud.points[16].y = 0.200000f; cloud.points[16].z = 0.988753f; 
  cloud.points[17].x = -0.006044f; cloud.points[17].y = 0.125000f; cloud.points[17].z = 0.993956f; 
  cloud.points[18].x =  0.004835f; cloud.points[18].y = 0.125000f; cloud.points[18].z = 0.993345f; 
  cloud.points[19].x = -0.017308f; cloud.points[19].y = 0.150000f; cloud.points[19].z = 0.994376f; 
  cloud.points[20].x =  0.017308f; cloud.points[20].y = 0.150000f; cloud.points[20].z = 0.994376f; 
  cloud.points[21].x = -0.025962f; cloud.points[21].y = 0.175000f; cloud.points[21].z = 0.991565f; 
  cloud.points[22].x =  0.025962f; cloud.points[22].y = 0.175000f; cloud.points[22].z = 0.991565f; 
  cloud.points[23].x = -0.009099f; cloud.points[23].y = 0.125000f; cloud.points[23].z = 1.000000f; 
  cloud.points[24].x =  0.009099f; cloud.points[24].y = 0.125000f; cloud.points[24].z = 1.000000f; 
  cloud.points[25].x = -0.018199f; cloud.points[25].y = 0.150000f; cloud.points[25].z = 1.000000f; 
  cloud.points[26].x =  0.018199f; cloud.points[26].y = 0.150000f; cloud.points[26].z = 1.000000f; 
  cloud.points[27].x = -0.027298f; cloud.points[27].y = 0.175000f; cloud.points[27].z = 1.000000f; 
  cloud.points[28].x =  0.027298f; cloud.points[28].y = 0.175000f; cloud.points[28].z = 1.000000f; 
  cloud.points[29].x = -0.036397f; cloud.points[29].y = 0.200000f; cloud.points[29].z = 1.000000f; 
  cloud.points[30].x =  0.036397f; cloud.points[30].y = 0.200000f; cloud.points[30].z = 1.000000f; 

  normals.points[0].normal[0] = -0.290381f; normals.points[0].normal[1] =  -0.342020f; normals.points[0].normal[2] =  -0.893701f; 
  normals.points[1].normal[0] =  0.000000f; normals.points[1].normal[1] =  -0.342020f; normals.points[1].normal[2] =  -0.939693f; 
  normals.points[2].normal[0] =  0.290381f; normals.points[2].normal[1] =  -0.342020f; normals.points[2].normal[2] =  -0.893701f; 
  normals.points[3].normal[0] = -0.552338f; normals.points[3].normal[1] =  -0.342020f; normals.points[3].normal[2] =  -0.760227f; 
  normals.points[4].normal[0] = -0.290381f; normals.points[4].normal[1] =  -0.342020f; normals.points[4].normal[2] =  -0.893701f; 
  normals.points[5].normal[0] =  0.145191f; normals.points[5].normal[1] =  -0.342020f; normals.points[5].normal[2] =  -0.916697f; 
  normals.points[6].normal[0] =  0.552337f; normals.points[6].normal[1] =  -0.342020f; normals.points[6].normal[2] =  -0.760227f; 
  normals.points[7].normal[0] = -0.656282f; normals.points[7].normal[1] =  -0.342020f; normals.points[7].normal[2] =  -0.656283f; 
  normals.points[8].normal[0] =  0.656282f; normals.points[8].normal[1] =  -0.342020f; normals.points[8].normal[2] =  -0.656283f; 
  normals.points[9].normal[0] = -0.656283f; normals.points[9].normal[1] =  -0.342020f; normals.points[9].normal[2] =  -0.656282f; 
  normals.points[10].normal[0] = -0.290381f; normals.points[10].normal[1] =  -0.342020f; normals.points[10].normal[2] =  -0.893701f; 
  normals.points[11].normal[0] =  0.145191f; normals.points[11].normal[1] =  -0.342020f; normals.points[11].normal[2] =  -0.916697f; 
  normals.points[12].normal[0] =  0.656282f; normals.points[12].normal[1] =  -0.342020f; normals.points[12].normal[2] =  -0.656282f; 
  normals.points[13].normal[0] = -0.760228f; normals.points[13].normal[1] =  -0.342020f; normals.points[13].normal[2] =  -0.552337f; 
  normals.points[14].normal[0] =  0.760228f; normals.points[14].normal[1] =  -0.342020f; normals.points[14].normal[2] =  -0.552337f; 
  normals.points[15].normal[0] = -0.893701f; normals.points[15].normal[1] =  -0.342020f; normals.points[15].normal[2] =  -0.290380f; 
  normals.points[16].normal[0] =  0.893701f; normals.points[16].normal[1] =  -0.342020f; normals.points[16].normal[2] =  -0.290380f; 
  normals.points[17].normal[0] = -0.624162f; normals.points[17].normal[1] =  -0.342020f; normals.points[17].normal[2] =  -0.624162f; 
  normals.points[18].normal[0] =  0.499329f; normals.points[18].normal[1] =  -0.342020f; normals.points[18].normal[2] =  -0.687268f; 
  normals.points[19].normal[0] = -0.893701f; normals.points[19].normal[1] =  -0.342020f; normals.points[19].normal[2] =  -0.290380f; 
  normals.points[20].normal[0] =  0.893701f; normals.points[20].normal[1] =  -0.342020f; normals.points[20].normal[2] =  -0.290380f; 
  normals.points[21].normal[0] = -0.893701f; normals.points[21].normal[1] =  -0.342020f; normals.points[21].normal[2] =  -0.290381f; 
  normals.points[22].normal[0] =  0.893701f; normals.points[22].normal[1] =  -0.342020f; normals.points[22].normal[2] =  -0.290381f; 
  normals.points[23].normal[0] = -0.939693f; normals.points[23].normal[1] =  -0.342020f; normals.points[23].normal[2] =  0.000000f; 
  normals.points[24].normal[0] =  0.939693f; normals.points[24].normal[1] =  -0.342020f; normals.points[24].normal[2] =  0.000000f; 
  normals.points[25].normal[0] = -0.939693f; normals.points[25].normal[1] =  -0.342020f; normals.points[25].normal[2] =  0.000000f; 
  normals.points[26].normal[0] =  0.939693f; normals.points[26].normal[1] =  -0.342020f; normals.points[26].normal[2] =  0.000000f; 
  normals.points[27].normal[0] = -0.939693f; normals.points[27].normal[1] =  -0.342020f; normals.points[27].normal[2] =  0.000000f; 
  normals.points[28].normal[0] =  0.939693f; normals.points[28].normal[1] =  -0.342020f; normals.points[28].normal[2] =  0.000000f; 
  normals.points[29].normal[0] = -0.939693f; normals.points[29].normal[1] =  -0.342020f; normals.points[29].normal[2] =  0.000000f; 
  normals.points[30].normal[0] =  0.939693f; normals.points[30].normal[1] =  -0.342020f; normals.points[30].normal[2] =  0.000000f; 


  // Create a shared cylinder model pointer directly
  SampleConsensusModelConePtr model (new SampleConsensusModelCone<PointXYZ, Normal> (cloud.makeShared ()));
  model->setInputNormals (normals.makeShared ());

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.03);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_EQ (result, true);

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (int (sample.size ()), 3);

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (int (inliers.size ()), 31);

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (int (coeff.size ()), 7);
  EXPECT_NEAR (coeff[0],  0, 1e-2);
  EXPECT_NEAR (coeff[1],  0.1,  1e-2);
  EXPECT_NEAR (coeff[6],  0.349066, 1e-2);

  Eigen::VectorXf coeff_refined;
  model->optimizeModelCoefficients (inliers, coeff, coeff_refined);
  EXPECT_EQ (int (coeff_refined.size ()), 7);
  EXPECT_NEAR (coeff_refined[6], 0.349066 , 1e-2);
}
Esempio n. 9
0
TEST (RANSAC, SampleConsensusModelNormalSphere)
{
  srand (0);

  // Use a custom point cloud for these tests until we need something better
  PointCloud<PointXYZ> cloud;
  PointCloud<Normal> normals;
  cloud.points.resize (27); normals.points.resize (27);
  cloud.points[0].x = -0.014695f; cloud.points[0].y =  0.009549f; cloud.points[0].z = 0.954775f; 
  cloud.points[1].x =  0.014695f; cloud.points[1].y =  0.009549f; cloud.points[1].z = 0.954775f; 
  cloud.points[2].x = -0.014695f; cloud.points[2].y =  0.040451f; cloud.points[2].z = 0.954775f; 
  cloud.points[3].x =  0.014695f; cloud.points[3].y =  0.040451f; cloud.points[3].z = 0.954775f; 
  cloud.points[4].x = -0.009082f; cloud.points[4].y = -0.015451f; cloud.points[4].z = 0.972049f; 
  cloud.points[5].x =  0.009082f; cloud.points[5].y = -0.015451f; cloud.points[5].z = 0.972049f; 
  cloud.points[6].x = -0.038471f; cloud.points[6].y =  0.009549f; cloud.points[6].z = 0.972049f; 
  cloud.points[7].x =  0.038471f; cloud.points[7].y =  0.009549f; cloud.points[7].z = 0.972049f; 
  cloud.points[8].x = -0.038471f; cloud.points[8].y =  0.040451f; cloud.points[8].z = 0.972049f; 
  cloud.points[9].x =  0.038471f; cloud.points[9].y =  0.040451f; cloud.points[9].z = 0.972049f; 
  cloud.points[10].x = -0.009082f; cloud.points[10].y =  0.065451f; cloud.points[10].z = 0.972049f; 
  cloud.points[11].x =  0.009082f; cloud.points[11].y =  0.065451f; cloud.points[11].z = 0.972049f; 
  cloud.points[12].x = -0.023776f; cloud.points[12].y = -0.015451f; cloud.points[12].z = 0.982725f; 
  cloud.points[13].x =  0.023776f; cloud.points[13].y = -0.015451f; cloud.points[13].z = 0.982725f; 
  cloud.points[14].x = -0.023776f; cloud.points[14].y =  0.065451f; cloud.points[14].z = 0.982725f; 
  cloud.points[15].x =  0.023776f; cloud.points[15].y =  0.065451f; cloud.points[15].z = 0.982725f; 
  cloud.points[16].x = -0.000000f; cloud.points[16].y = -0.025000f; cloud.points[16].z = 1.000000f; 
  cloud.points[17].x =  0.000000f; cloud.points[17].y = -0.025000f; cloud.points[17].z = 1.000000f; 
  cloud.points[18].x = -0.029389f; cloud.points[18].y = -0.015451f; cloud.points[18].z = 1.000000f; 
  cloud.points[19].x =  0.029389f; cloud.points[19].y = -0.015451f; cloud.points[19].z = 1.000000f; 
  cloud.points[20].x = -0.047553f; cloud.points[20].y =  0.009549f; cloud.points[20].z = 1.000000f; 
  cloud.points[21].x =  0.047553f; cloud.points[21].y =  0.009549f; cloud.points[21].z = 1.000000f; 
  cloud.points[22].x = -0.047553f; cloud.points[22].y =  0.040451f; cloud.points[22].z = 1.000000f; 
  cloud.points[23].x =  0.047553f; cloud.points[23].y =  0.040451f; cloud.points[23].z = 1.000000f; 
  cloud.points[24].x = -0.029389f; cloud.points[24].y =  0.065451f; cloud.points[24].z = 1.000000f; 
  cloud.points[25].x =  0.029389f; cloud.points[25].y =  0.065451f; cloud.points[25].z = 1.000000f; 
  cloud.points[26].x =  0.000000f; cloud.points[26].y =  0.075000f; cloud.points[26].z = 1.000000f; 
  
  normals.points[0].normal[0] = -0.293893f; normals.points[0].normal[1] =  -0.309017f; normals.points[0].normal[2] =  -0.904509f; 
  normals.points[1].normal[0] =  0.293893f; normals.points[1].normal[1] =  -0.309017f; normals.points[1].normal[2] =  -0.904508f; 
  normals.points[2].normal[0] = -0.293893f; normals.points[2].normal[1] =   0.309017f; normals.points[2].normal[2] =  -0.904509f; 
  normals.points[3].normal[0] =  0.293893f; normals.points[3].normal[1] =   0.309017f; normals.points[3].normal[2] =  -0.904508f; 
  normals.points[4].normal[0] = -0.181636f; normals.points[4].normal[1] =  -0.809017f; normals.points[4].normal[2] =  -0.559017f; 
  normals.points[5].normal[0] =  0.181636f; normals.points[5].normal[1] =  -0.809017f; normals.points[5].normal[2] =  -0.559017f; 
  normals.points[6].normal[0] = -0.769421f; normals.points[6].normal[1] =  -0.309017f; normals.points[6].normal[2] =  -0.559017f; 
  normals.points[7].normal[0] =  0.769421f; normals.points[7].normal[1] =  -0.309017f; normals.points[7].normal[2] =  -0.559017f; 
  normals.points[8].normal[0] = -0.769421f; normals.points[8].normal[1] =   0.309017f; normals.points[8].normal[2] =  -0.559017f; 
  normals.points[9].normal[0] =  0.769421f; normals.points[9].normal[1] =   0.309017f; normals.points[9].normal[2] =  -0.559017f; 
  normals.points[10].normal[0] = -0.181636f; normals.points[10].normal[1] =  0.809017f; normals.points[10].normal[2] =  -0.559017f; 
  normals.points[11].normal[0] =  0.181636f; normals.points[11].normal[1] =  0.809017f; normals.points[11].normal[2] =  -0.559017f; 
  normals.points[12].normal[0] = -0.475528f; normals.points[12].normal[1] = -0.809017f; normals.points[12].normal[2] =  -0.345491f; 
  normals.points[13].normal[0] =  0.475528f; normals.points[13].normal[1] = -0.809017f; normals.points[13].normal[2] =  -0.345491f; 
  normals.points[14].normal[0] = -0.475528f; normals.points[14].normal[1] =  0.809017f; normals.points[14].normal[2] =  -0.345491f; 
  normals.points[15].normal[0] =  0.475528f; normals.points[15].normal[1] =  0.809017f; normals.points[15].normal[2] =  -0.345491f; 
  normals.points[16].normal[0] = -0.000000f; normals.points[16].normal[1] = -1.000000f; normals.points[16].normal[2] =  0.000000f; 
  normals.points[17].normal[0] =  0.000000f; normals.points[17].normal[1] = -1.000000f; normals.points[17].normal[2] =  0.000000f; 
  normals.points[18].normal[0] = -0.587785f; normals.points[18].normal[1] = -0.809017f; normals.points[18].normal[2] =  0.000000f; 
  normals.points[19].normal[0] =  0.587785f; normals.points[19].normal[1] = -0.809017f; normals.points[19].normal[2] =  0.000000f; 
  normals.points[20].normal[0] = -0.951057f; normals.points[20].normal[1] = -0.309017f; normals.points[20].normal[2] =  0.000000f; 
  normals.points[21].normal[0] =  0.951057f; normals.points[21].normal[1] = -0.309017f; normals.points[21].normal[2] =  0.000000f; 
  normals.points[22].normal[0] = -0.951057f; normals.points[22].normal[1] =  0.309017f; normals.points[22].normal[2] =  0.000000f; 
  normals.points[23].normal[0] =  0.951057f; normals.points[23].normal[1] =  0.309017f; normals.points[23].normal[2] =  0.000000f; 
  normals.points[24].normal[0] = -0.587785f; normals.points[24].normal[1] =  0.809017f; normals.points[24].normal[2] =  0.000000f; 
  normals.points[25].normal[0] =  0.587785f; normals.points[25].normal[1] =  0.809017f; normals.points[25].normal[2] =  0.000000f; 
  normals.points[26].normal[0] =  0.000000f; normals.points[26].normal[1] =  1.000000f; normals.points[26].normal[2] =  0.000000f; 
  
  // Create a shared sphere model pointer directly
  SampleConsensusModelNormalSpherePtr model (new SampleConsensusModelNormalSphere<PointXYZ, Normal> (cloud.makeShared ()));
  model->setInputNormals(normals.makeShared ());

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.03);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_EQ (result, true); 

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (int (sample.size ()), 4);

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (int (inliers.size ()), 27);

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (int (coeff.size ()), 4);
  EXPECT_NEAR (coeff[0], 0.0,   1e-2);
  EXPECT_NEAR (coeff[1], 0.025, 1e-2);
  EXPECT_NEAR (coeff[2], 1.0,   1e-2);
  EXPECT_NEAR (coeff[3], 0.05,  1e-2);
  Eigen::VectorXf coeff_refined;
  model->optimizeModelCoefficients (inliers, coeff, coeff_refined);
  EXPECT_EQ (int (coeff_refined.size ()), 4);
  EXPECT_NEAR (coeff_refined[0], 0.0,   1e-2);
  EXPECT_NEAR (coeff_refined[1], 0.025, 1e-2);
  EXPECT_NEAR (coeff_refined[2], 1.0,   1e-2);
  EXPECT_NEAR (coeff_refined[3], 0.05,  1e-2);	 
}
TEST (SampleConsensusModelParallelLine, RANSAC)
{
  PointCloud<PointXYZ> cloud (16, 1);

  // Line 1
  cloud.points[0].getVector3fMap () <<  1.0f,  2.00f,  3.00f;
  cloud.points[1].getVector3fMap () <<  4.0f,  5.00f,  6.00f;
  cloud.points[2].getVector3fMap () <<  7.0f,  8.00f,  9.00f;
  cloud.points[3].getVector3fMap () << 10.0f, 11.00f, 12.00f;
  cloud.points[4].getVector3fMap () << 13.0f, 14.00f, 15.00f;
  cloud.points[5].getVector3fMap () << 16.0f, 17.00f, 18.00f;
  cloud.points[6].getVector3fMap () << 19.0f, 20.00f, 21.00f;
  cloud.points[7].getVector3fMap () << 22.0f, 23.00f, 24.00f;
  // Random points
  cloud.points[8].getVector3fMap () << -5.0f,  1.57f,  0.75f;
  cloud.points[9].getVector3fMap () <<  4.0f,  2.00f,  3.00f;
  // Line 2 (parallel to the Z axis)
  cloud.points[10].getVector3fMap () << -1.00f,  5.00f,  0.0f;
  cloud.points[11].getVector3fMap () << -1.05f,  5.01f,  1.0f;
  cloud.points[12].getVector3fMap () << -1.01f,  5.05f,  2.0f;
  cloud.points[13].getVector3fMap () << -1.05f,  5.01f,  3.0f;
  cloud.points[14].getVector3fMap () << -1.01f,  5.05f,  4.0f;
  cloud.points[15].getVector3fMap () << -1.05f,  5.01f,  5.0f;

  // Create a shared line model pointer directly
  const double eps = 0.1; //angle eps in radians
  const Eigen::Vector3f axis (0, 0, 1);
  SampleConsensusModelParallelLinePtr model (new SampleConsensusModelParallelLine<PointXYZ> (cloud.makeShared ()));
  model->setAxis (axis);
  model->setEpsAngle (eps);

  // Create the RANSAC object
  RandomSampleConsensus<PointXYZ> sac (model, 0.1);

  // Algorithm tests
  bool result = sac.computeModel ();
  ASSERT_TRUE (result);

  std::vector<int> sample;
  sac.getModel (sample);
  EXPECT_EQ (2, sample.size ());

  std::vector<int> inliers;
  sac.getInliers (inliers);
  EXPECT_EQ (6, inliers.size ());

  Eigen::VectorXf coeff;
  sac.getModelCoefficients (coeff);
  EXPECT_EQ (6, coeff.size ());

  // Make sure the returned direction respects the angular constraint
  double angle_diff = getAngle3D (axis, coeff.tail<3> ());
  angle_diff = std::min (angle_diff, M_PI - angle_diff);
  EXPECT_GT (eps, angle_diff);

  // Projection tests
  PointCloud<PointXYZ> proj_points;
  model->projectPoints (inliers, coeff, proj_points);

  EXPECT_XYZ_NEAR (PointXYZ (-1.05, 5.05, 3.0), proj_points.points[13], 0.1);
  EXPECT_XYZ_NEAR (PointXYZ (-1.05, 5.05, 4.0), proj_points.points[14], 0.1);
}