{"id":18339704,"url":"https://github.com/biomedical-imaging-group/orientationj","last_synced_at":"2025-10-27T12:20:57.135Z","repository":{"id":49394286,"uuid":"134595470","full_name":"Biomedical-Imaging-Group/OrientationJ","owner":"Biomedical-Imaging-Group","description":"ImageJ's plugin for directional analysis in images: color-coded analysis, distribution of orientation, vector field, keypoint detection","archived":false,"fork":false,"pushed_at":"2024-10-21T13:37:57.000Z","size":243,"stargazers_count":25,"open_issues_count":5,"forks_count":8,"subscribers_count":6,"default_branch":"master","last_synced_at":"2025-03-21T18:09:10.251Z","etag":null,"topics":["directionality","imagej-plugins","orientation","structure-tensor","vector-field"],"latest_commit_sha":null,"homepage":"http://bigwww.epfl.ch/demo/orientation/","language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-3.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/Biomedical-Imaging-Group.png","metadata":{"files":{"readme":"README.md","changelog":"HISTORY.md","contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2018-05-23T16:11:21.000Z","updated_at":"2025-03-06T00:34:10.000Z","dependencies_parsed_at":"2022-09-14T01:01:51.430Z","dependency_job_id":null,"html_url":"https://github.com/Biomedical-Imaging-Group/OrientationJ","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/Biomedical-Imaging-Group%2FOrientationJ","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Biomedical-Imaging-Group%2FOrientationJ/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Biomedical-Imaging-Group%2FOrientationJ/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Biomedical-Imaging-Group%2FOrientationJ/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Biomedical-Imaging-Group","download_url":"https://codeload.github.com/Biomedical-Imaging-Group/OrientationJ/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247440560,"owners_count":20939220,"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":["directionality","imagej-plugins","orientation","structure-tensor","vector-field"],"created_at":"2024-11-05T20:19:05.603Z","updated_at":"2025-10-27T12:20:52.105Z","avatar_url":"https://github.com/Biomedical-Imaging-Group.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"OrientationJ\n============\n\n[**ImageJ plugins for directional analysis in images**](https://bigwww.epfl.ch/demo/orientation/)\n\n_Written by Daniel Sage at the Biomedical Image Group (BIG), EPFL, Switzerland_\n\n## Outline\nThe aim is to characterize the orientation and isotropy properties of a region of interest (ROI) in an image, based on the evaluation of the gradient structure tensor in a local neighborhood. \nThe theoretical background is fully described in this [PDF document](https://bigwww.epfl.ch/demo/orientationj/theoretical-background.pdf). \nThe software OrientationJ automates the orientation analysis. \n\nIt is a series of Java plugins for ImageJ. \nOrientationJ has four functionalities: \n* performing a [visual](https://bigwww.epfl.ch/demo/orientationj/#analysis) representation of the orientation of a image;\n* creation of a [vector field](https://bigwww.epfl.ch/demo/orientationj/#vector) map;\n* plotting the [distribution](https://bigwww.epfl.ch/demo/orientationj/#dist) of orientations;\n* detection of [keypoints](https://bigwww.epfl.ch/demo/orientationj/#corner)\u003c/a\u003e (Harris Corner). \n\nOrientationJ has also others tools: \n* manual [measurement](https://bigwww.epfl.ch/demo/orientationj/#measure) of the orientation and coherency in a ROI;\n* computation of the dominant orientation;\n* alignment of images based on the gradient structure tensor;\n* plugins to generate test images (chirp).\n\nFrom the version 2.0.7. OrientationJ includes a plugin for a multiresolution wavelet-based \n[monogenic](https://bigwww.epfl.ch/demo/monogenicj/) analyse of 2D images. \n\n## References\n* Reference on the method: Z. Püspöki, M. Storath, D. Sage, M. Unser, [Transforms and Operators for Directional Bioimage Analysis: A Survey](https://bigwww.epfl.ch/publications/puespoeki1603.html) Advances in Anatomy, Embryology and Cell Biology, vol. 219, Focus on Bio-Image Informatics, Springer International Publishing, 2016.\n* Reference on the monogenic analysis: M. Unser, D. Sage, D. Van De Ville, [Multiresolution Monogenic Signal Analysis Using the Riesz-Laplace Wavelet Transform](https://bigwww.epfl.ch/publications/unser0907.html) IEEE Transactions on Image Processing, 2009.\n* Reference on the angular distribution: R. Rezakhaniha, A. Agianniotis, J.T.C. Schrauwen, A. Griffa, D. Sage, C.V.C. Bouten, F.N. van de Vosse, M. Unser, N. Stergiopulos, [Experimental Investigation of Collagen Waviness and Orientation in the Arterial Adventitia Using Confocal Laser Scanning Microscopy](https://bigwww.epfl.ch/publications/rezakhaniha1201.html) Biomechanics and Modeling in Mechanobiology, vol. 11, no. 3-4, pp. 461-473, 2012.\n* Reference on the local measurements: E. Fonck, G.G. Feigl, J. Fasel, D. Sage, M. Unser, D.A. Rüfenacht, N. Stergiopulos, [Effect of Aging on Elastin Functionality in Human Cerebral Arteries](https://bigwww.epfl.ch/publications/fonck0901.html) Stroke, vol. 40, no. 7, pp. 2552-2556, July 2009.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbiomedical-imaging-group%2Forientationj","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fbiomedical-imaging-group%2Forientationj","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbiomedical-imaging-group%2Forientationj/lists"}