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Open Source Computer Vision Library
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263 lines
10 KiB
263 lines
10 KiB
// This file is part of OpenCV project. |
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// It is subject to the license terms in the LICENSE file found in the top-level directory |
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// of this distribution and at http://opencv.org/license.html. |
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#include "test_precomp.hpp" |
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#include <opencv2/core/quaternion.hpp> |
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#include <opencv2/ts/cuda_test.hpp> |
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using namespace cv; |
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namespace opencv_test{ namespace { |
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class QuatTest: public ::testing::Test { |
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protected: |
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void SetUp() override |
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{ |
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q1 = {1,2,3,4}; |
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q2 = {2.5,-2,3.5,4}; |
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q1Unit = {1 / sqrt(30), sqrt(2) /sqrt(15), sqrt(3) / sqrt(10), 2 * sqrt(2) / sqrt(15)}; |
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q1Inv = {1.0 / 30, -1.0 / 15, -1.0 / 10, -2.0 / 15}; |
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} |
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double scalar = 2.5; |
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double angle = CV_PI; |
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double qNorm2 = 2; |
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Vec<double, 3> axis{1, 1, 1}; |
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Vec<double, 3> unAxis{0, 0, 0}; |
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Vec<double, 3> unitAxis{1.0 / sqrt(3), 1.0 / sqrt(3), 1.0 / sqrt(3)}; |
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Quatd q3 = Quatd::createFromAngleAxis(angle, axis); |
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Quatd q3UnitAxis = Quatd::createFromAngleAxis(angle, unitAxis); |
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Quat<double> q3Norm2 = q3 * qNorm2; |
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Quat<double> q1Inv; |
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Quat<double> q1; |
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Quat<double> q2; |
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Quat<double> q1Unit; |
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Quatd qNull{0, 0, 0, 0}; |
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Quatd qIdentity{1, 0, 0, 0}; |
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QuatAssumeType assumeUnit = QUAT_ASSUME_UNIT; |
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}; |
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TEST_F(QuatTest, constructor){ |
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Vec<double, 4> coeff{1, 2, 3, 4}; |
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EXPECT_EQ(Quat<double> (coeff), q1); |
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EXPECT_EQ(q3, q3UnitAxis); |
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EXPECT_ANY_THROW(Quatd::createFromAngleAxis(angle, unAxis)); |
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Matx33d R1{ |
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-1.0 / 3, 2.0 / 3 , 2.0 / 3, |
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2.0 / 3 , -1.0 / 3, 2.0 / 3, |
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2.0 / 3 , 2.0 / 3 , -1.0 / 3 |
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}; |
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Matx33d R2{ |
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-2.0 / 3, -2.0 / 3, -1.0 / 3, |
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-2.0 / 3, 1.0 / 3, 2.0 / 3, |
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-1.0 / 3, 2.0 / 3, -2.0 / 3 |
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}; |
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Matx33d R3{ |
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0.818181818181, 0.181818181818, 0.54545455454, |
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0.545454545545, -0.54545454545, -0.6363636364, |
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0.181818181818, 0.818181818182, -0.5454545455 |
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}; |
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Matx33d R4{ |
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0.818181818181, -0.181818181818, 0.54545455454, |
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0.545454545545, 0.54545454545, -0.6363636364, |
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-0.181818181818, 0.818181818182, 0.5454545455 |
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}; |
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Quatd qMat = Quatd::createFromRotMat(R1); |
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Quatd qMat2 = Quatd::createFromRotMat(R2); |
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Quatd qMat3 = Quatd::createFromRotMat(R3); |
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Quatd qMat4 = Quatd::createFromRotMat(R4); |
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EXPECT_EQ(qMat2, Quatd(0, -0.408248290463, 0.816496580927, 0.408248904638)); |
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EXPECT_EQ(qMat3, Quatd(-0.426401432711,-0.852802865422, -0.213200716355, -0.2132007163)); |
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EXPECT_EQ(qMat, q3); |
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EXPECT_EQ(qMat4, -Quatd(0.852802865422, 0.426401432711221, 0.2132007163556, 0.2132007163)); |
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Vec3d rot{angle / sqrt(3),angle / sqrt(3), angle / sqrt(3)}; |
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Quatd rotQuad{0, 1.0 / sqrt(3), 1. / sqrt(3), 1. / sqrt(3)}; |
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Quatd qRot = Quatd::createFromRvec(rot); |
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EXPECT_EQ(qRot, rotQuad); |
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EXPECT_EQ(Quatd::createFromRvec(Vec3d(0, 0, 0)), qIdentity); |
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} |
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TEST_F(QuatTest, basicfuns){ |
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Quat<double> q1Conj{1, -2, -3, -4}; |
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EXPECT_EQ(q3Norm2.normalize(), q3); |
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EXPECT_EQ(q1.norm(), sqrt(30)); |
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EXPECT_EQ(q1.normalize(), q1Unit); |
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EXPECT_ANY_THROW(qNull.normalize()); |
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EXPECT_EQ(q1.conjugate(), q1Conj); |
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EXPECT_EQ(q1.inv(), q1Inv); |
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EXPECT_EQ(inv(q1), q1Inv); |
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EXPECT_EQ(q3.inv(assumeUnit) * q3, qIdentity); |
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EXPECT_EQ(q1.inv() * q1, qIdentity); |
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EXPECT_ANY_THROW(inv(qNull)); |
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EXPECT_NO_THROW(q1.at(0)); |
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EXPECT_ANY_THROW(q1.at(4)); |
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Matx33d R{ |
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-2.0 / 3, 2.0 / 15 , 11.0 / 15, |
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2.0 / 3 , -1.0 / 3 , 2.0 / 3 , |
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1.0 / 3 , 14.0 / 15, 2.0 / 15 |
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}; |
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Matx33d q1RotMat = q1.toRotMat3x3(); |
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EXPECT_MAT_NEAR(q1RotMat, R, 1e-6); |
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Vec3d z_axis{0,0,1}; |
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Quatd q_unit1 = Quatd::createFromAngleAxis(angle, z_axis); |
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Mat pointsA = (Mat_<double>(2, 3) << 1,0,0,1,0,1); |
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pointsA = pointsA.t(); |
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Mat new_point = q_unit1.toRotMat3x3() * pointsA; |
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Mat afterRo = (Mat_<double>(3, 2) << -1,-1,0,0,0,1); |
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EXPECT_MAT_NEAR(afterRo, new_point, 1e-6); |
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EXPECT_ANY_THROW(qNull.toRotVec()); |
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Vec3d rodVec{CV_PI/sqrt(3), CV_PI/sqrt(3), CV_PI/sqrt(3)}; |
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Vec3d q3Rod = q3.toRotVec(); |
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EXPECT_NEAR(q3Rod[0], rodVec[0], 1e-6); |
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EXPECT_NEAR(q3Rod[1], rodVec[1], 1e-6); |
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EXPECT_NEAR(q3Rod[2], rodVec[2], 1e-6); |
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EXPECT_EQ(log(q1Unit, assumeUnit), log(q1Unit)); |
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EXPECT_EQ(log(qIdentity, assumeUnit), qNull); |
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EXPECT_EQ(log(q3), Quatd(0, angle * unitAxis[0] / 2, angle * unitAxis[1] / 2, angle * unitAxis[2] / 2)); |
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EXPECT_ANY_THROW(log(qNull)); |
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EXPECT_EQ(log(Quatd(exp(1), 0, 0, 0)), qIdentity); |
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EXPECT_EQ(exp(qIdentity), Quatd(exp(1), 0, 0, 0)); |
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EXPECT_EQ(exp(qNull), qIdentity); |
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EXPECT_EQ(exp(Quatd(0, angle * unitAxis[0] / 2, angle * unitAxis[1] / 2, angle * unitAxis[2] / 2)), q3); |
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EXPECT_EQ(power(q3, 2.0), Quatd::createFromAngleAxis(2*angle, axis)); |
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EXPECT_EQ(power(Quatd(0.5, 0.5, 0.5, 0.5), 2.0, assumeUnit), Quatd(-0.5,0.5,0.5,0.5)); |
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EXPECT_EQ(power(Quatd(0.5, 0.5, 0.5, 0.5), -2.0), Quatd(-0.5,-0.5,-0.5,-0.5)); |
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EXPECT_EQ(sqrt(q1), power(q1, 0.5)); |
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EXPECT_EQ(exp(q3 * log(q1)), power(q1, q3)); |
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EXPECT_EQ(exp(q1 * log(q3)), power(q3, q1, assumeUnit)); |
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EXPECT_EQ(crossProduct(q1, q3), (q1 * q3 - q3 * q1) / 2); |
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EXPECT_EQ(sinh(qNull), qNull); |
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EXPECT_EQ(sinh(q1), (exp(q1) - exp(-q1)) / 2); |
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EXPECT_EQ(sinh(qIdentity), Quatd(sinh(1), 0, 0, 0)); |
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EXPECT_EQ(sinh(q1), Quatd(0.73233760604, -0.44820744998, -0.67231117497, -0.8964148999610843)); |
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EXPECT_EQ(cosh(qNull), qIdentity); |
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EXPECT_EQ(cosh(q1), Quatd(0.961585117636, -0.34135217456, -0.51202826184, -0.682704349122)); |
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EXPECT_EQ(tanh(q1), sinh(q1) * inv(cosh(q1))); |
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EXPECT_EQ(sin(qNull), qNull); |
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EXPECT_EQ(sin(q1), Quatd(91.78371578403, 21.88648685303, 32.829730279543, 43.772973706058)); |
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EXPECT_EQ(cos(qNull), qIdentity); |
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EXPECT_EQ(cos(q1), Quatd(58.9336461679, -34.0861836904, -51.12927553569, -68.17236738093)); |
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EXPECT_EQ(tan(q1), sin(q1)/cos(q1)); |
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EXPECT_EQ(sinh(asinh(q1)), q1); |
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Quatd c1 = asinh(sinh(q1)); |
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EXPECT_EQ(sinh(c1), sinh(q1)); |
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EXPECT_EQ(cosh(acosh(q1)), q1); |
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c1 = acosh(cosh(q1)); |
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EXPECT_EQ(cosh(c1), cosh(q1)); |
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EXPECT_EQ(tanh(atanh(q1)), q1); |
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c1 = atanh(tanh(q1)); |
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EXPECT_EQ(tanh(q1), tanh(c1)); |
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EXPECT_EQ(asin(sin(q1)), q1); |
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EXPECT_EQ(sin(asin(q1)), q1); |
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EXPECT_EQ(acos(cos(q1)), q1); |
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EXPECT_EQ(cos(acos(q1)), q1); |
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EXPECT_EQ(atan(tan(q3)), q3); |
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EXPECT_EQ(tan(atan(q1)), q1); |
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} |
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TEST_F(QuatTest, operator){ |
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Quatd minusQ{-1, -2, -3, -4}; |
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Quatd qAdd{3.5, 0, 6.5, 8}; |
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Quatd qMinus{-1.5, 4, -0.5, 0}; |
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Quatd qMultq{-20, 1, -5, 27}; |
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Quatd qMults{2.5, 5.0, 7.5, 10.0}; |
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Quatd qDvss{1.0 / 2.5, 2.0 / 2.5, 3.0 / 2.5, 4.0 / 2.5}; |
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Quatd qOrigin(q1); |
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EXPECT_EQ(-q1, minusQ); |
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EXPECT_EQ(q1 + q2, qAdd); |
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EXPECT_EQ(q1 + scalar, Quatd(3.5, 2, 3, 4)); |
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EXPECT_EQ(scalar + q1, Quatd(3.5, 2, 3, 4)); |
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EXPECT_EQ(q1 + 2.0, Quatd(3, 2, 3, 4)); |
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EXPECT_EQ(2.0 + q1, Quatd(3, 2, 3, 4)); |
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EXPECT_EQ(q1 - q2, qMinus); |
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EXPECT_EQ(q1 - scalar, Quatd(-1.5, 2, 3, 4)); |
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EXPECT_EQ(scalar - q1, Quatd(1.5, -2, -3, -4)); |
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EXPECT_EQ(q1 - 2.0, Quatd(-1, 2, 3, 4)); |
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EXPECT_EQ(2.0 - q1, Quatd(1, -2, -3, -4)); |
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EXPECT_EQ(q1 * q2, qMultq); |
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EXPECT_EQ(q1 * scalar, qMults); |
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EXPECT_EQ(scalar * q1, qMults); |
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EXPECT_EQ(q1 / q1, qIdentity); |
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EXPECT_EQ(q1 / scalar, qDvss); |
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q1 += q2; |
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EXPECT_EQ(q1, qAdd); |
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q1 -= q2; |
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EXPECT_EQ(q1, qOrigin); |
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q1 *= q2; |
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EXPECT_EQ(q1, qMultq); |
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q1 /= q2; |
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EXPECT_EQ(q1, qOrigin); |
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q1 *= scalar; |
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EXPECT_EQ(q1, qMults); |
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q1 /= scalar; |
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EXPECT_EQ(q1, qOrigin); |
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EXPECT_NO_THROW(q1[0]); |
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EXPECT_NO_THROW(q1.at(0)); |
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EXPECT_ANY_THROW(q1[4]); |
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EXPECT_ANY_THROW(q1.at(4)); |
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} |
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TEST_F(QuatTest, quatAttrs){ |
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double angleQ1 = 2 * acos(1.0 / sqrt(30)); |
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Vec3d axis1{0.3713906763541037, 0.557086014, 0.742781352}; |
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Vec<double, 3> q1axis1 = q1.getAxis(); |
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EXPECT_EQ(angleQ1, q1.getAngle()); |
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EXPECT_EQ(angleQ1, q1Unit.getAngle()); |
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EXPECT_EQ(angleQ1, q1Unit.getAngle(assumeUnit)); |
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EXPECT_EQ(0, qIdentity.getAngle()); |
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EXPECT_ANY_THROW(qNull.getAxis()); |
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EXPECT_NEAR(axis1[0], q1axis1[0], 1e-6); |
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EXPECT_NEAR(axis1[1], q1axis1[1], 1e-6); |
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EXPECT_NEAR(axis1[2], q1axis1[2], 1e-6); |
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EXPECT_NEAR(q3Norm2.norm(), qNorm2, 1e-6); |
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EXPECT_EQ(q3Norm2.getAngle(), angle); |
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EXPECT_NEAR(axis1[0], axis1[0], 1e-6); |
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EXPECT_NEAR(axis1[1], axis1[1], 1e-6); |
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EXPECT_NEAR(axis1[2], axis1[2], 1e-6); |
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} |
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TEST_F(QuatTest, interpolation){ |
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Quatd qNoRot = Quatd::createFromAngleAxis(0, axis); |
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Quatd qLerpInter(1.0 / 2, sqrt(3) / 6, sqrt(3) / 6, sqrt(3) / 6); |
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EXPECT_EQ(Quatd::lerp(qNoRot, q3, 0), qNoRot); |
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EXPECT_EQ(Quatd::lerp(qNoRot, q3, 1), q3); |
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EXPECT_EQ(Quatd::lerp(qNoRot, q3, 0.5), qLerpInter); |
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Quatd q3NrNn2 = qNoRot * qNorm2; |
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EXPECT_EQ(Quatd::nlerp(q3NrNn2, q3Norm2, 0), qNoRot); |
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EXPECT_EQ(Quatd::nlerp(q3NrNn2, q3Norm2, 1), q3); |
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EXPECT_EQ(Quatd::nlerp(q3NrNn2, q3Norm2, 0.5), qLerpInter.normalize()); |
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EXPECT_EQ(Quatd::nlerp(qNoRot, q3, 0, assumeUnit), qNoRot); |
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EXPECT_EQ(Quatd::nlerp(qNoRot, q3, 1, assumeUnit), q3); |
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EXPECT_EQ(Quatd::nlerp(qNoRot, q3, 0.5, assumeUnit), qLerpInter.normalize()); |
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Quatd q3Minus(-q3); |
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EXPECT_EQ(Quatd::nlerp(qNoRot, q3, 0.4), -Quatd::nlerp(qNoRot, q3Minus, 0.4)); |
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EXPECT_EQ(Quatd::slerp(qNoRot, q3, 0, assumeUnit), qNoRot); |
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EXPECT_EQ(Quatd::slerp(qNoRot, q3, 1, assumeUnit), q3); |
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EXPECT_EQ(Quatd::slerp(qNoRot, q3, 0.5, assumeUnit), -Quatd::nlerp(qNoRot, -q3, 0.5, assumeUnit)); |
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EXPECT_EQ(Quatd::slerp(qNoRot, q1, 0.5), Quatd(0.76895194, 0.2374325, 0.35614876, 0.47486501)); |
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EXPECT_EQ(Quatd::slerp(-qNoRot, q1, 0.5), Quatd(0.76895194, 0.2374325, 0.35614876, 0.47486501)); |
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EXPECT_EQ(Quatd::slerp(qNoRot, -q1, 0.5), -Quatd::slerp(-qNoRot, q1, 0.5)); |
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Quat<double> tr1 = Quatd::createFromAngleAxis(0, axis); |
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Quat<double> tr2 = Quatd::createFromAngleAxis(angle / 2, axis); |
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Quat<double> tr3 = Quatd::createFromAngleAxis(angle, axis); |
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Quat<double> tr4 = Quatd::createFromAngleAxis(angle, Vec3d{-1/sqrt(2),0,1/(sqrt(2))}); |
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EXPECT_ANY_THROW(Quatd::spline(qNull, tr1, tr2, tr3, 0)); |
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EXPECT_EQ(Quatd::spline(tr1, tr2, tr3, tr4, 0), tr2); |
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EXPECT_EQ(Quatd::spline(tr1, tr2, tr3, tr4, 1), tr3); |
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EXPECT_EQ(Quatd::spline(tr1, tr2, tr3, tr4, 0.6, assumeUnit), Quatd::spline(tr1, tr2, tr3, tr4, 0.6)); |
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EXPECT_EQ(Quatd::spline(tr1, tr2, tr3, tr3, 0.5), Quatd::spline(tr1, -tr2, tr3, tr3, 0.5)); |
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EXPECT_EQ(Quatd::spline(tr1, tr2, tr3, tr3, 0.5), -Quatd::spline(-tr1, -tr2, -tr3, tr3, 0.5)); |
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EXPECT_EQ(Quatd::spline(tr1, tr2, tr3, tr3, 0.5), Quatd(0.336889853392, 0.543600719487, 0.543600719487, 0.543600719487)); |
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} |
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} // namespace |
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}// opencv_test
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