3D Quantum Cuts for Automatic Segmentation of Porous Media in Tomography Images

no code implementations • 9 Apr 2019 • Junaid Malik, Serkan Kiranyaz, Riyadh Al-Raoush, Olivier Monga, Patricia Garnier, Sebti Foufou, Abdelaziz Bouras, Alexandros Iosifidis, Moncef Gabbouj, Philippe C. Baveye

Binary segmentation of volumetric images of porous media is a crucial step towards gaining a deeper understanding of the factors governing biogeochemical processes at minute scales.

Clustering Image Segmentation +2

Cluster validity index based on Jeffrey divergence

no code implementations • 20 Dec 2018 • Ahmed Ben Said, Rachid Hadjidj, Sebti Foufou

These indexes are in general constructed by combining a measure of compactness and a measure of separation.

Clustering

Multispectral image denoising with optimized vector non-local mean filter

no code implementations • 21 Oct 2016 • Ahmed Ben Said, Rachid Hadjidj, Kamel Eddine Melkemi, Sebti Foufou

In our contribution, we propose an optimization framework where we dynamically fine tune the NLM filter parameters and attenuate its computational complexity by considering only pixels which are most similar to each other in computing a restored pixel.

Image Denoising