{"id":13443545,"url":"https://github.com/MohamedAfham/CrossPoint","last_synced_at":"2025-03-20T16:31:47.098Z","repository":{"id":39868533,"uuid":"464585157","full_name":"MohamedAfham/CrossPoint","owner":"MohamedAfham","description":"Official implementation of \"CrossPoint: Self-Supervised Cross-Modal Contrastive Learning for 3D Point Cloud Understanding\" (CVPR, 2022)","archived":false,"fork":false,"pushed_at":"2023-04-27T01:16:04.000Z","size":2090,"stargazers_count":236,"open_issues_count":10,"forks_count":28,"subscribers_count":7,"default_branch":"master","last_synced_at":"2024-10-28T06:58:31.212Z","etag":null,"topics":["3d-point-clouds","cross-modal-learning","deep-learning","few-shot-learning","object-classification","point-cloud","self-supervised-learning","transfer-learning","unsupervised-learning"],"latest_commit_sha":null,"homepage":"https://mohamedafham.github.io/CrossPoint/","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/MohamedAfham.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null}},"created_at":"2022-02-28T17:46:17.000Z","updated_at":"2024-10-19T12:15:16.000Z","dependencies_parsed_at":"2024-01-18T14:44:27.533Z","dependency_job_id":"92cd80c8-1eb6-4b01-b57f-d198b8671236","html_url":"https://github.com/MohamedAfham/CrossPoint","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MohamedAfham%2FCrossPoint","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MohamedAfham%2FCrossPoint/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MohamedAfham%2FCrossPoint/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MohamedAfham%2FCrossPoint/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/MohamedAfham","download_url":"https://codeload.github.com/MohamedAfham/CrossPoint/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":244649917,"owners_count":20487519,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["3d-point-clouds","cross-modal-learning","deep-learning","few-shot-learning","object-classification","point-cloud","self-supervised-learning","transfer-learning","unsupervised-learning"],"created_at":"2024-07-31T03:02:03.421Z","updated_at":"2025-03-20T16:31:46.809Z","avatar_url":"https://github.com/MohamedAfham.png","language":"Python","funding_links":[],"categories":["Python"],"sub_categories":[],"readme":"# CrossPoint: Self-Supervised Cross-Modal Contrastive Learning for 3D Point Cloud Understanding (CVPR'22)\n#### [Paper Link](https://arxiv.org/abs/2203.00680) | [Project Page](https://mohamedafham.github.io/CrossPoint/) \n\n## Citation\n\nIf you find our work, this repository, or pretrained models useful, please consider giving a star ⭐ and citation.\n```bibtex\n@InProceedings{Afham_2022_CVPR,\n    author    = {Afham, Mohamed and Dissanayake, Isuru and Dissanayake, Dinithi and Dharmasiri, Amaya and Thilakarathna, Kanchana and Rodrigo, Ranga},\n    title     = {CrossPoint: Self-Supervised Cross-Modal Contrastive Learning for 3D Point Cloud Understanding},\n    booktitle = {Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},\n    month     = {June},\n    year      = {2022},\n    pages     = {9902-9912}\n}\n```\n\n# :rocket: News\n* **(Mar 25, 2023)**\n  * An implementation supporting PyTorchDistributedDataParallel (DDP) is available [here](https://github.com/auniquesun/CrossPoint-DDP). Thanks to [Jerry Sun](https://auniquesun.github.io/)\n* **(Mar 2, 2022)**\n  * Paper accepted at CVPR 2022 :tada: \n* **(Mar 2, 2022)** \n  * Training and evaluation codes for [CrossPoint](https://openaccess.thecvf.com/content/CVPR2022/html/Afham_CrossPoint_Self-Supervised_Cross-Modal_Contrastive_Learning_for_3D_Point_Cloud_Understanding_CVPR_2022_paper.html), along with pretrained models are released.\n\n## Dependencies\n\nRefer `requirements.txt` for the required packages.\n\n## Pretrained Models\n\nCrossPoint pretrained models with DGCNN feature extractor are available [here.](https://drive.google.com/drive/folders/10TVEIRUBCh3OPulKI4i2whYAcKVdSURn?usp=sharing)\n\n## Download data\n\nDatasets are available [here](https://drive.google.com/drive/folders/1dAH9R3XDV0z69Bz6lBaftmJJyuckbPmR?usp=sharing). Run the command below to download all the datasets (ShapeNetRender, ModelNet40, ScanObjectNN, ShapeNetPart) to reproduce the results.\n\n```\ncd data\nsource download_data.sh\n```\n\n## Train CrossPoint\n\nRefer `scripts/script.sh` for the commands to train CrossPoint.\n\n## Downstream Tasks\n\n### 1. 3D Object Classification \n\nRun `eval_ssl.ipynb` notebook to perform linear SVM object classification in both ModelNet40 and ScanObjectNN datasets.\n\n\n### 2. Few-Shot Object Classification\n\nRefer `scripts/fsl_script.sh` to perform few-shot object classification.\n\n### 3. 3D Object Part Segmentation\n\nRefer `scripts/script.sh` for fine-tuning experiment for part segmentation in ShapeNetPart dataset.\n\n## Acknowledgements\nOur code borrows heavily from [DGCNN](https://github.com/WangYueFt/dgcnn) repository. We thank the authors of DGCNN for releasing their code. If you use our model, please consider citing them as well.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FMohamedAfham%2FCrossPoint","html_url":"https://awesome.ecosyste.ms/projects/github.com%2FMohamedAfham%2FCrossPoint","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FMohamedAfham%2FCrossPoint/lists"}