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Alexander Smorkalov fc3803c67b Merge pull request #29224 from asmorkalov:as/ptcloud2
Dedicated pointcloud module #29224

OpenCV contrib: https://github.com/opencv/opencv_contrib/pull/4134

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [ ] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake
2026-06-04 12:19:02 +03:00

108 lines
3.6 KiB
C++

// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html
// This code is also subject to the license terms in the LICENSE_WillowGarage.md file found in this module's directory
#include "test_precomp.hpp"
namespace opencv_test { namespace {
class RgbdDepthRegistrationTest
{
public:
RgbdDepthRegistrationTest() { }
~RgbdDepthRegistrationTest() { }
void run()
{
// Test all three input types for no-op registrations (where a depth image is registered to itself)
noOpRandomRegistrationTest<unsigned short>(100, 2500);
noOpRandomRegistrationTest<float>(0.1f, 2.5f);
noOpRandomRegistrationTest<double>(0.1, 2.5);
// Test sentinel value handling, occlusion, and dilation
{
// K from a VGA Kinect
Mat K = (Mat_<float>(3, 3) << 525., 0., 319.5, 0., 525., 239.5, 0., 0., 1.);
int width = 640, height = 480;
// All elements are zero except for first two along the diagonal
Mat_<unsigned short> vgaDepth(height, width, (unsigned short)0);
vgaDepth(0, 0) = 1001;
vgaDepth(1, 1) = 1000;
Mat_<unsigned short> registeredDepth;
registerDepth(K, K, Mat(), Matx44f::eye(), vgaDepth, Size(width, height), registeredDepth, true);
// We expect the closer depth of 1000 to occlude the more distant depth and occupy the
// upper four left pixels in the depth image because of dilation
Mat_<unsigned short> expectedResult(height, width, (unsigned short)0);
expectedResult(0, 0) = 1000;
expectedResult(0, 1) = 1000;
expectedResult(1, 0) = 1000;
expectedResult(1, 1) = 1000;
Mat ad;
absdiff(registeredDepth, expectedResult, ad);
ASSERT_GT(std::numeric_limits<double>::min(), abs(sum(ad)[0])) << "Dilation and occlusion";
}
}
template <class DepthDepth>
void noOpRandomRegistrationTest(DepthDepth minDepth, DepthDepth maxDepth)
{
// K from a VGA Kinect
Mat K = (Mat_<float>(3, 3) << 525., 0., 319.5, 0., 525., 239.5, 0., 0., 1.);
// Create a random depth image
RNG rng;
Mat_<DepthDepth> randomVGADepth(480, 640);
rng.fill(randomVGADepth, RNG::UNIFORM, minDepth, maxDepth);
Mat registeredDepth;
registerDepth(K, K, Mat(), Matx44f::eye(), randomVGADepth, Size(640, 480), registeredDepth);
// Check per-pixel relative difference
Mat ad;
absdiff(registeredDepth, randomVGADepth, ad);
Mat mmin;
cv::min(registeredDepth, randomVGADepth, mmin);
Mat rel = ad / mmin;
double maxDiff = cv::norm(rel, NORM_INF);
ASSERT_GT(1e-07, maxDiff) << "No-op registration";
}
};
TEST(RGBD_DepthRegistration, compute)
{
RgbdDepthRegistrationTest test;
test.run();
}
TEST(RGBD_DepthRegistration, issue_2234)
{
Matx33f intrinsicsDepth(100, 0, 50, 0, 100, 50, 0, 0, 1);
Matx33f intrinsicsColor(100, 0, 200, 0, 100, 50, 0, 0, 1);
Mat_<float> depthMat(100, 100, (float)0.);
for(int i = 1; i <= 100; i++)
{
for(int j = 1; j <= 100; j++)
depthMat(i-1,j-1) = (float)j;
}
Mat registeredDepth;
registerDepth(intrinsicsDepth, intrinsicsColor, Mat(), Matx44f::eye(), depthMat, Size(400, 100), registeredDepth);
Rect roi( 150, 0, 100, 100 );
Mat subM(registeredDepth,roi);
EXPECT_EQ(0, cvtest::norm(subM, depthMat, NORM_INF));
}
}} // namespace