1 code implementation • 5 Oct 2022 • Josselin Lefèvre, Jean Cousty, Benjamin Perret, Harold Phelippeau
Binary Partition Hierarchies (BPH) and minimum spanning trees are fundamental data structures involved in hierarchical analysis such as quasi-flat zones or watershed.
1 code implementation • 7 Apr 2022 • Felipe Belém, Benjamin Perret, Jean Cousty, Silvio J. F. Guimarães, Alexandre Falcão
Superpixel segmentation can be used as an intermediary step in many applications, often to improve object delineation and reduce computer workload.
no code implementations • 20 Jan 2021 • Benjamin Perret, Jean Cousty
In this article, we propose a method to design loss functions based on component trees which can be optimized by gradient descent algorithms and which are therefore usable in conjunction with recent machine learning approaches such as neural networks.
no code implementations • 16 Feb 2019 • Diane Genest, Marc Léonard, Jean Cousty, Noémie De Crozé, Hugues Talbot
An automated random forest clas-sifier is built from these descriptors in order to classify embryos with and without a swim bladder.
no code implementations • 12 Oct 2017 • Ketan Bacchuwar, Jean Cousty, Régis Vaillant, Laurent Najman
We present the automatic VOIDD algorithm to detect the vessel of intervention which is going to be treated during the procedure by combining information from the vessel image with contrast agent injection and images acquired during guidewire tip navigation.
no code implementations • 27 May 2015 • Jean Cousty, Laurent Najman, Yukiko Kenmochi, Silvio Guimarães
We study three representations of hierarchies of partitions: dendrograms (direct representations), saliency maps, and minimum spanning trees.
no code implementations • 30 Apr 2014 • Laurent Najman, Jean Cousty
This survey paper aims at providing a "literary" anthology of mathematical morphology on graphs.