Elmar Werling

A good appoximation to the boundary curve of an image region is the concave hull (see for example [Moreira & Santos](https://pdfs.semanticscholar.org/2397/17005c3ebd5d6a42fc833daf97a0edee1ce4.pdf) or [Figueira](https://towardsdatascience.com/the-concave-hull-c649795c0f0f)). A simple script using this approach can...

Please note, the algorithm of Moreira&Santos returns the **boundary curve** (all pixels of the boundary of an image region in the right order) and not only the pixels belonging to...

Here a [link](https://www.dropbox.com/s/dykhowlk4avd0fi/pyBoundary.ipynb?dl=0) to a jupyter notebook on Dropbox with a solution to get the boundary of a labeled object based on this [code](https://github.com/machine-shop/deepwings/blob/6526066a08843e1dc4c16063bf820e3975d8171a/deepwings/method_features_extraction/image_processing.py#L156-L245) from [Théo Bodrito](https://github.com/theobdt)