Search Results for author: Mohamed Tamaazousti

Found 15 papers, 5 papers with code

EpipolarNVS: leveraging on Epipolar geometry for single-image Novel View Synthesis

1 code implementation24 Oct 2022 Gaétan Landreau, Mohamed Tamaazousti

Novel-view synthesis (NVS) can be tackled through different approaches, depending on the general setting: a single source image to a short video sequence, exact or noisy camera pose information, 3D-based information such as point clouds etc.

Novel View Synthesis

Pruning-based Topology Refinement of 3D Mesh using a 2D Alpha Mask

no code implementations17 Oct 2022 Gaëtan Landreau, Mohamed Tamaazousti

Image-based 3D reconstruction has increasingly stunning results over the past few years with the latest improvements in computer vision and graphics.

3D Reconstruction

Self-Improving SLAM in Dynamic Environments: Learning When to Mask

1 code implementation15 Oct 2022 Adrian Bojko, Romain Dupont, Mohamed Tamaazousti, Hervé Le Borgne

Thus, we propose a novel SLAM that learns when masking objects improves its performance in dynamic scenarios.

Simultaneous Localization and Mapping

Trustworthiness of Laser-Induced Breakdown Spectroscopy Predictions via Simulation-based Synthetic Data Augmentation and Multitask Learning

no code implementations7 Oct 2022 Riccardo Finotello, Daniel L'Hermite, Celine Quéré, Benjamin Rouge, Mohamed Tamaazousti, Jean-Baptiste Sirven

The procedure is an end-to-end pipeline including the process of synthetic data augmentation, the construction of a suitable robust, homoscedastic, deep learning model, and the validation of its predictions.

Data Augmentation Dimensionality Reduction

Selective Multiple Power Iteration: from Tensor PCA to gradient-based exploration of landscapes

no code implementations23 Dec 2021 Mohamed Ouerfelli, Mohamed Tamaazousti, Vincent Rivasseau

Various numerical simulations for $k=3$ in the conventionally considered range $n \leq 1000$ show that the experimental performances of SMPI improve drastically upon existent algorithms and becomes comparable to the theoretical optimal recovery.

Tensor Decomposition

HyperPCA: a Powerful Tool to Extract Elemental Maps from Noisy Data Obtained in LIBS Mapping of Materials

no code implementations30 Nov 2021 Riccardo Finotello, Mohamed Tamaazousti, Jean-Baptiste Sirven

Laser-induced breakdown spectroscopy is a preferred technique for fast and direct multi-elemental mapping of samples under ambient pressure, without any limitation on the targeted element.

A Multiple-View Geometric Model for Specularity Prediction on General Curved Surfaces

no code implementations20 Aug 2021 Alexandre Morgand, Mohamed Tamaazousti, Adrien Bartoli

Specularity prediction using our new model is tested against the most recent JOLIMAS version on both synthetic and real sequences with objects of various general shapes.

3D Reconstruction Scene Understanding

Deep multi-task mining Calabi-Yau four-folds

2 code implementations4 Aug 2021 Harold Erbin, Riccardo Finotello, Robin Schneider, Mohamed Tamaazousti

We continue earlier efforts in computing the dimensions of tangent space cohomologies of Calabi-Yau manifolds using deep learning.

A new framework for tensor PCA based on trace invariants

no code implementations1 Jan 2021 Mohamed Ouerfelli, Mohamed Tamaazousti, Vincent Rivasseau

We consider the Principal Component Analysis (PCA) problem for tensors $T \in (\mathbb{R}^n)^{\otimes k}$ of large dimension $n$ and of arbitrary order $k\geq 3$.

Learning to Segment Dynamic Objects using SLAM Outliers

no code implementations12 Nov 2020 Adrian Bojko, Romain Dupont, Mohamed Tamaazousti, Hervé Le Borgne

Our dataset includes consensus inversions, i. e., situations where the SLAM uses more features on dynamic objects that on the static background.

Semantic Segmentation

Random Matrix Theory Proves that Deep Learning Representations of GAN-data Behave as Gaussian Mixtures

no code implementations ICML 2020 Mohamed El Amine Seddik, Cosme Louart, Mohamed Tamaazousti, Romain Couillet

This paper shows that deep learning (DL) representations of data produced by generative adversarial nets (GANs) are random vectors which fall within the class of so-called \textit{concentrated} random vectors.

A Kernel Random Matrix-Based Approach for Sparse PCA

no code implementations ICLR 2019 Mohamed El Amine Seddik, Mohamed Tamaazousti, Romain Couillet

In this paper, we present a random matrix approach to recover sparse principal components from n p-dimensional vectors.

Deep Multi-class Adversarial Specularity Removal

no code implementations4 Apr 2019 John Lin, Mohamed El Amine Seddik, Mohamed Tamaazousti, Youssef Tamaazousti, Adrien Bartoli

We propose a novel learning approach, in the form of a fully-convolutional neural network (CNN), which automatically and consistently removes specular highlights from a single image by generating its diffuse component.

Generative Collaborative Networks for Single Image Super-Resolution

1 code implementation27 Feb 2019 Mohamed El Amine Seddik, Mohamed Tamaazousti, John Lin

In this paper, we present a general framework named \textit{Generative Collaborative Networks} (GCN), where the idea consists in optimizing the \textit{generator} (the mapping of interest) in the feature space of a \textit{features extractor} network.

Image Super-Resolution

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