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OrientationJ

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Daniel Sage
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Software automating the local orientation analysis in an entire image or a selection of it. The evaluation of the orientation for a pixel of the image is based on the structure tensor computation in a local neighborhood. It is written in Java as plug-in for ImageJ, and provides four functionalities: visual representation of the orientation, quantitative orientation measurement, making distribution of orientations and corner detection by Harris index.

Reference: Z. Püspöki, M. Storath, D. Sage, M. Unser, Transforms and Operators for Directional Bioimage Analysis: Survey, Chapter 3 of Focus on Bio-Image Informatics, Springer International Publishing, 2016, De Vos, W.H. and Munck, S. and Timmermans, J.-P., vol. 219, Advances in Anatomy, Embryology and Cell Biology.