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[GSoC] Update octree methods and create frames for PCC #23985 ## PR for GSoC Point Cloud Compression [Issue for GSoC 2023](https://github.com/opencv/opencv/issues/23624) * We are **updating the Octree method create() by using OctreeKey**: Through voxelization, directly calculate the leaf nodes that the point cloud belongs to, and omit the judgment whether the point cloud is in the range when inserted. The index of the child node is calculated by bit operation. * We are also **introducing a new header file pcc.h (Point Cloud Compression) with API framework**. * We added tests for restoring point clouds from an octree. * Currently, the features related to octree creation and point cloud compression are part of the internal API, which means they are not directly accessible to users. However, our plan for the future is to **include only the 'PointCloudCompression' class in the 'opencv2/3d.hpp' header file**. This will provide an interface for utilizing the point cloud compression functionality. The previous PR of this was closed due to repo name conflicts, therefore we resubmitted in this PR. ### 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 - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [x] The feature is well documented and sample code can be built with the project CMake |
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| calib | ||
| core | ||
| dnn | ||
| features2d | ||
| flann | ||
| gapi | ||
| highgui | ||
| imgcodecs | ||
| imgproc | ||
| java | ||
| js | ||
| objc | ||
| objdetect | ||
| photo | ||
| python | ||
| stereo | ||
| stitching | ||
| ts | ||
| video | ||
| videoio | ||
| world | ||
| CMakeLists.txt | ||