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Human Motion Prediction Using Manifold-Aware Wasserstein GAN


May 18, 2021
Baptiste Chopin, Naima Otberdout, Mohamed Daoudi, Angela Bartolo


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3D to 4D Facial Expressions Generation Guided by Landmarks


May 16, 2021
Naima Otberdout, Claudio Ferrari, Mohamed Daoudi, Stefano Berretti, Alberto Del Bimbo


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Magnifying Subtle Facial Motions for Effective 4D Expression Recognition


May 05, 2021
Qingkai Zhen, Di Huang, Yunhong Wang, Hassen Drira, Boulbaba Ben Amor, Mohamed Daoudi

* International Conference On Pattern Recognition 2016 

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Hybrid Approach for 3D Head Reconstruction: Using Neural Networks and Visual Geometry


Apr 28, 2021
Oussema Bouafif, Bogdan Khomutenko, Mohamed Daoudi

* 25th International Conference On Pattern Recognition 2020 

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Modelling the Statistics of Cyclic Activities by Trajectory Analysis on the Manifold of Positive-Semi-Definite Matrices


Jun 24, 2020
Ettore Maria Celozzi, Luca Ciabini, Luca Cultrera, Pietro Pala, Stefano Berretti, Mohamed Daoudi, Alberto Del Bimbo

* accepted at 15th IEEE International Conference on Automatic Face and Gesture Recognition 2020 

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Automatic Estimation of Self-Reported Pain by Interpretable Representations of Motion Dynamics


Jun 24, 2020
Benjamin Szczapa, Mohamed Daoudi, Stefano Berretti, Pietro Pala, Alberto Del Bimbo, Zakia Hammal

* accepted at ICPR 2020 Conference 

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Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition


Sep 09, 2019
Benjamin Szczapa, Mohamed Daoudi, Stefano Berretti, Alberto Del Bimbo, Pietro Pala, Estelle Massart

* Updated version of the paper published in the workshop HBU2019. The differences with the published version are a few small corrections, mainly misleading notations for the distance function on p. 4, and missing square root in the expression for "d", in the Thm. on p. 4. Noticeable changes w. r. t. v1 and v2 on arxiv, please use this version instead 

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Dynamic Facial Expression Generation on Hilbert Hypersphere with Conditional Wasserstein Generative Adversarial Nets


Jul 23, 2019
Naima Otberdout, Mohamed Daoudi, Anis Kacem, Lahoucine Ballihi, Stefano Berretti


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Automatic Analysis of Facial Expressions Based on Deep Covariance Trajectories


Oct 25, 2018
Naima Otberdout, Anis Kacem, Mohamed Daoudi, Lahoucine Ballihi, Stefano Berretti

* A preliminary version of this work appeared in "Otberdout N, Kacem A, Daoudi M, Ballihi L, Berretti S. Deep Covariance Descriptors for Facial Expression Recognition, in British Machine Vision Conference 2018, BMVC 2018, Northumbria University, Newcastle, UK, September 3-6, 2018. ; 2018 :159." arXiv admin note: substantial text overlap with arXiv:1805.03869 

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A Novel Geometric Framework on Gram Matrix Trajectories for Human Behavior Understanding


Jun 29, 2018
Anis Kacem, Mohamed Daoudi, Boulbaba Ben Amor, Stefano Berretti, Juan Carlos Alvarez-Paiva

* Under minor revisions in IEEE Transactions on Pattern Analysis and Machine Intelligence (T-PAMI). A preliminary version of this work appeared in ICCV 17 (A Kacem, M Daoudi, BB Amor, JC Alvarez-Paiva, A Novel Space-Time Representation on the Positive Semidefinite Cone for Facial Expression Recognition, ICCV 17). arXiv admin note: substantial text overlap with arXiv:1707.06440 

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Deep Covariance Descriptors for Facial Expression Recognition


May 10, 2018
Naima Otberdout, Anis Kacem, Mohamed Daoudi, Lahoucine Ballihi, Stefano Berretti


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Emotion Recognition by Body Movement Representation on the Manifold of Symmetric Positive Definite Matrices


Jul 22, 2017
Mohamed Daoudi, Stefano Berretti, Pietro Pala, Yvonne Delevoye, Alberto Del Bimbo

* accepted in I19th International Conference on Image Analysis and processing (ICIAP), 11-15 september Catania, Italy, 2017 

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A Novel Space-Time Representation on the Positive Semidefinite Con for Facial Expression Recognition


Jul 20, 2017
Anis Kacem, Mohamed Daoudi, Boulbaba Ben Amor, Juan Carlos Alvarez-Paiva

* To be appeared at ICCV 2017 

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