Computation of the Moore-Penrose inverse with CUDA / C ++

  The Moore-Penrose inverse matrix or pseudo-inverse matrix is defined by: It especially used in the normal equation to determine the coefficients of a linear regression. In this context, it is possible to calculate the results in different ways by using an optimizer algorithm that approaches by iteration  the optimal result or by using the … [Read more…]

Segmentation : Overview of the state of the art

  Segmentation is a widespread analysis, bringing particular advantages to companies. It can be used in very different fields and sectors of activity such as health, industry, human sciences. Or in the top management too, marketing or finance departments for instance. In this article, we will focus on a generic methodology that adapts to the … [Read more…]

Deep-learning: Rooftop type detection with Keras and TensorFlow

[version française] With the emergence of Deep Learning, Neural Networks predictive capacity looks extremely promising. This can be seen in the amazing number of theoretical works and applications in the field in the last years,  reaching precisions never observed before. The objective of the article is twofold, first we present  a new dataset of rooftop … [Read more…]

Bubble chart with D3.js

    Version française “Bubble”-plot is a different way to present your data, this kind of plotting broaden the possibilities of representation beyond the classics histograms and pie charts. The program is based in a open-source script which has been modified to be able to add other features, for example values in percentage ,the feature’s … [Read more…]