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Ergonomie et expérience utilisateurIA et apprentissage statistiqueInteractions Humain-SystèmeTraitement de signaux, d’images et du langage

Expertises équipes

Apprentissage profond pour toutes les modalités d'imagesPerception visuelle et Qualité d'expérienceRéalité Virtuelle et Interaction Humain-MachineReprésentation et formats des Contenus Visuels

Vincent Ricordel

HDR

Enseignant chercheur / Enseignante chercheuse – Maître / maîtresse de conférences

Equipe : IPI

Employeur : Nantes Université

Expertises :

Codage vidéo perceptuelCodage de nuage de points et rendu visuelÉvaluation de la qualité de rendus immersifs décodésModèles de jumeaux numériques appliqués au domaine de la santé

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Publications déposées sur HAL

Nombre de publications retournées : 83

Revues internationales avec comité de lecture

[1] J. Wang, P. Le Callet, S. Tourancheau, V. Ricordel, M. Perreira da Silva. Study of depth bias of observers in free viewing of still stereoscopic synthetic stimuli, in Journal of Eye Movement Research, vol. 5, no. 5, pp. pp. 1-11,

[2] J. Wang, M. Perreira da Silva, P. Le Callet, V. Ricordel. , in IEEE Transactions on Image Processing, vol. 22, no. 6, pp. pp. 2151- 2165, DOI

[3] V. Krassanakis, M. da Silva, V. Ricordel. Monitoring Human Visual Behavior during the Observation of Unmanned Aerial Vehicles (UAVs) Videos, in Drones, vol. 2, no. 4, DOI

[4] A. Perrin, V. Krassanakis, L. Zhang, V. Ricordel, M. da Silva, O. Le Meur. EyeTrackUAV2: Une base de donnée de suivi oculaire pour les vidéos drones (UAV), in Drones, vol. 4, no. 2, pp. 2, DOI

[5] A. Tious, M. Dal Magro, T. Vigier, J. Gutiérrez, V. Ricordel. Light-DPCVR: A dataset on the impact of light on dynamic point cloud quality and user behavior in virtual reality, in Signal Processing: Image Communication, vol. 146, pp. 117572, DOI

Conférences internationales avec comité de lecture et actes

[6] V. Ricordel, C. Labit. Vector Quantization by Hierarchical Packing of Embedded Truncated Lattices, in Visual Communications and Image Processing (VCIP), Taiwan, Chine,

[7] V. Ricordel, C. Labit. Vector Quantization by Packing of Embedded Truncated Lattices, in IEEE International Conference on Image Processing (ICIP), Washington DC, états-Unis, DOI

[8] V. Ricordel, C. Labit. Tree-Structured Lattice Vector Quantization, in European Signal Processing Conference (EUSIPCO), Trieste, Italie,

[9] V. Ricordel, M. Gabbouj. , in European Signal Processing Conference (EUSIPCO), Rhodes, Grèce,

[10] W. Puech, G. Passail, S. Nicolay, V. Ricordel. Analyse et amélioration de méthodes de reconstruction 3D de l'aorte à partir d'une séquence d'images tomodensitométriques, in Colloque GRETSI sur le traitement du signal et des images (GRETSI), Vannes, France,

[11] W. Puech, G. Passail, V. Ricordel. ANALYSIS AND OPTIMISATION OF 3D RECONSTRUCTION METHOD OF THE AORTA FROM A TOMOGRAPHIC IMAGES SEQUENCE, in European Signal Processing Conference (EUSIPCO), Tampere, Finlande,

[12] V. Ricordel, S. Paris, J. Opderbecke. Trajectory Estimation for Ultrashort Baseline Acoustic Positioning Systems, in Aerospace Conference, Big Sky Montana, états-Unis, DOI

[13] P. Verbert, V. Ricordel, J. Guédon. ANALYSIS OF MOJETTE TRANSFORM PROJECTIONS FOR AN EFFICIENT CODING, in Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS, Lisboa, Portugal,

[14] V. Ricordel, F. Autrusseau, W. Dupuy, D. Barba. 1D-mosaics grouping using lattice vector quantization for a video browsing application, in international workshop on Content-based multimedia indexing, Riga, Lituanie,

[15] V. Ricordel, P. Le Callet, M. Carnec, B. Parrein. Flexible Storage of Still Images with a Perceptual Quality Criterion, in Advanced Concepts for Intelligent Vision Systems (ACIVS), Antwerp, Belgique,

[16] G. Jeannic, V. Ricordel, D. Barba. The Edge Driven Oriented Wavelet Transform: An Anisotropic Multidirectional Representation With Oriented Lifting Scheme, in VCIP 2007, San Jose, états-Unis,

[17] G. Jeannic, V. Ricordel, D. Barba. A multiresolution approach for the coding of edges of still images using adaptive arithmetic coding, in PCS 2007, Liboa, Portugal,

[18] O. Brouard, F. Delannay, V. Ricordel, D. Barba. Robust motion segmentation for high definition video sequences using a fast multi-resolution motion estimation based on spatio-temporal tubes, in Picture Coding Symposium, PCS 2007, Lisbonne, Portugal,

[19] O. Brouard, F. Delannay, V. Ricordel, D. Barba. FAST LONG-TERM MOTION ESTIMATION FOR HIGH DEFINITION VIDEO SEQUENCES BASED ON SPATIO-TEMPORAL TUBES AND USING THE NELDER-MEAD SIMPLEX ALGORITHM, in Picture Coding Symposium (PCS), Lisboa, Portugal,

[20] O. Brouard, F. Delannay, V. Ricordel, D. Barba. SPATIO-TEMPORAL SEGMENTATION AND REGIONS TRACKING OF HIGH DEFINITION VIDEO SEQUENCES USING A MARKOV RANDOM FIELD MODEL, in International Conference on Image Processing – ICIP 2008, San Diego, états-Unis,

[21] J. Wang, M. Barkowsky, V. Ricordel, P. Le Callet. Quantifying how the combination of blur and disparity affects the perceived depth, in SPIE Electronic Imaging, San Francisco Airport, California, états-Unis,

[22] J. Wang, M. Barkowsky, V. Ricordel, P. Le Callet. Clarifying how defocus blur and disparity affect the perceived depth, in First Sino-French Workshop on Education and Research collaborations in Information and Communication Technologies, Nantes, France,

[23] J. Wang, P. Le Callet, V. Ricordel, S. Tourancheau. Quantifying depth bias in free viewing of still stereoscopic synthetic stimuli, in 16th European Conference on Eye Movements, Marseille, France,

[24] C. Ramassamy, V. Ricordel, O. Cramariuc, B. Cramariuc. Lattice Vector Quantization for the Analysis of Molecular Data., in Signal Processing and Applied Mathemathematics for Electronics and Communications (SPAMEC)., Cluj-Napoca, Roumanie,

[25] M. Urvoy, M. Barkowsky, R. Cousseau, Y. Koudota, V. Ricordel, P. Le Callet, J. Gutierrez, N. Garcia. NAMA3DS1-COSPAD1: Subjective video quality assessment database on coding conditions introducing freely available high quality 3D stereoscopic sequences, in QoMEX – Fourth International Workshop on Quality of Multimedia Experience, Yarra Valley, Australie,

[26] J. Wang, M. Perreira da Silva, P. Le Callet, V. Ricordel. Study of Center-Bias in the Viewing of Stereoscopic Image and a Framework for Extending 2D Visual Attention Models to 3D, in SPIE Electronic Imaging, San Francisco, états-Unis,

[27] K. Naser, V. Ricordel, P. Le Callet. Experimenting Texture Similarity Metric STSIM for Intra Prediction Mode Selection and Block Partitiong in HEVC, in Digital Signal Processing (DSP), Hong Kong, Chine,

[28] K. Naser, V. Ricordel, P. Le Callet. PERFORMANCE ANALYSIS OF TEXTURE SIMILARITY METRICS IN HEVC INTRA PREDICTION, in Video Processing and Quality Metrics for Consumer Electronics (VPQM), Chandler, Arizona, états-Unis,

[29] K. Naser, V. Ricordel, P. Le Callet. TEXTURE SIMILARITY METRICS APPLIED TO HEVC INTRA PREDICTION, in The third Sino-French Workshop on Information and Communication Technologies, SIFWICT 2015, Nantes, France,

[30] K. Naser, V. Ricordel, P. Le Callet. Local texture synthesis: A static texture coding algorithm fully compatible with HEVC, in International Conference on Systems, Signals and Image Processing (IWSSIP), Londres, Royaume-Uni, DOI

[31] K. Naser, V. Ricordel, P. Le Callet. Estimation of Perceptual Redundancies of HEVC Encoded Dynamic Textures, in 8th International Conference on Quality of Multimedia Experience, Lisbon, Portugal,

[32] K. Naser, V. Ricordel, P. Le Callet. Modeling the Perceptual Distortion of Dynamic Textures and Its Application in HEVC, in IEEE International Conference on Image Processing (ICIP), Phoenix,Arizona, états-Unis, DOI

[33] K. Naser, V. Ricordel, P. Le Callet. A FOVEATED SHORT TERM DISTORTION MODEL FOR PERCEPTUALLY OPTIMIZED DYNAMIC TEXTURES COMPRESSION IN HEVC, in Picture Coding Symposium (PCS), Nuremberg, Allemagne,

[34] C. Ma, K. Naser, V. Ricordel, P. Le Callet, C. Qing. An adaptive Lagrange multiplier determination method for dynamic texture in HEVC, in IEEE International Conference on Consumer Electronics-China (ICCE-China), Guangzhou, Chine, DOI

[35] V. Ricordel, N. Normand, J. Guédon. Analysis of Mojette Transform Projections using Z3 lattice versus A3 lattice, in Sino-French Workshop on Research Collaborations in Informations and Communication Technologies (SIFWICT), Qingdao, Chine,

[36] V. Ricordel, N. Normand, J. Guédon. Mojette Transform on Densest Lattices in 2D and 3D, in 20th International Conference on Discrete Geometry for Computer Imagery (DGCI 2017), Vienne, Autriche, DOI

[37] A. Filali, V. Ricordel, N. Normand. Tree-Structured Point-Lattice Vector Quantization for 3-D Point Cloud Geometry Compression, in CORESA, Poitiers, France,

[38] A. Filali, V. Ricordel, N. Normand. Geometry Compression of 3D Static Point Clouds based on TSPLVQ, in Fifth Sino-French Workshop on Information and Communication Technologies SIFWICT 2019, Nantes, France,

[39] A. Filali, V. Ricordel, N. Normand, W. Hamidouche. Rate-Distortion Optimized Tree-Structured Point-Lattice Vector Quantization for Compression of 3D Point Clouds Geometry, in 2019 IEEE International Conference on Image Processing (ICIP), Taipei, Taïwan, DOI

[40] A. Filali, V. Ricordel, N. Normand. Static and Dynamic 3D Point Cloud Compression by TSPLVQ, in International Conference on Systems, Signals and Image Processing (IWSSIP), Bratislava, Slovaquie,

[41] A. Tious, T. Vigier, V. Ricordel. Physically-based Lighting of 3D Point Clouds for Quality Assessment, in IMX '23: ACM International Conference on Interactive Media Experiences, Nantes France, France, DOI

[42] A. Tious, T. Vigier, V. Ricordel. Impact de la compression des normales sur l'évaluation de qualité subjective de nuages de points éclairés, in Compression et représentation des signaux audiovisuels (CORESA), Rennes, France,

[43] A. Tious, T. Vigier, V. Ricordel. Subjective Quality Assessment for Point Clouds of Digital Humans with Shaded Rendering, in 2025 IEEE International Conference on Multimedia & Expo (ICME), Nantes (France), France, DOI

[44] A. Tious, T. Vigier, V. Ricordel. Emerging challenges in subjective quality assessment of volumetric videos in eXtended Reality, in 2025 17th International Conference on Quality of Multimedia Experience (QoMEX), Madrid, Espagne, DOI

[45] W. Liu, F. Picarougne, G. Raschia, V. Ricordel. A Framework for Event-Level Representation of Wearable Healthcare Time Series, in CORESA, Nantes, France,

[46] S. Boccara, A. Tious, G. Zhao, Y. Li, T. Vigier, V. Ricordel. Revisiting the Volumetric Data of 4DME: Compression, Extension and Benchmarking for Micro-Expression Analysis, in European Conference on Computer Vision (ECCV), Malmö, Suède, DOI

Conférences nationales avec comité de lecture et actes

[47] V. Ricordel, C. Labit. Quantification vectorielle par emboîtage de réseaux réguliers de points, in Colloque GRETSI sur le traitement du signal et des images (GRETSI), Juans-les-Pins, France,

[48] V. Ricordel, C. Labit. Quantification vectorielle algébrique et arborescente., in Compression et représentation des signaux audiovisuels (CORESA), Grenoble, France,

[49] V. Ricordel, M. Gabbouj, C. Labit. Quantification vectorielle algébrique et arborescente : méthode d'actualisation du dictionnaire. Application au codage vidéo., in Compression et représentation des signaux audiovisuels (CORESA), Lannion, France,

[50] G. Passail, V. Ricordel, A. Kolesnikov, W. Puech. Mise en œuvre d'un réseau pour la communication d'images médicales, in Compression et représentation des signaux audiovisuels (CORESA), Nice-Sophia Antipolis, France,

[51] J. Michelis, W. Puech, V. Ricordel, G. Passail, M. Dumas. Intégration d'applet JAVA dans un réseau d'images médicales : aide au télédiagnostic, in Compression et représentation des signaux audiovisuels (CORESA), Poitiers, France,

[52] G. Jeannic, V. Ricordel, D. Barba. Extraction de contours multirésolution pour un codage d'images par bandelettes, in CORESA 2006, Caen, France,

[53] G. Jeannic, V. Ricordel, D. Barba. Représentation structurelle d'images ﬁxes par transformée en ondelettes orientées, in GRETSI 2007, Troyes, France,

[54] O. Brouard, F. Delannay, V. Ricordel, D. Barba. Estimation Robuste du Mouvement Global au sein de Séquences Vidéo Haute Définition après une Estimation du Mouvement basée Tubes Spatio-Temporels, in Compression et representation des signaux audiovisuels, CORESA 2007, Montpellier, France,

[55] G. Jeannic, V. Ricordel, D. Barba. Étude comparative de techniques de lifting orientées sur des contenus synthétiques représentant des structures rectilignes, in CORESA 2009, Toulouse, France,

[56] O. Brouard, V. Ricordel, D. Barba. Cartes de Saillance Spatio-Temporelle basées Contrastes de Couleur et Mouvement Relatif, in Compression et representation des signaux audiovisuels, CORESA 2009, Toulouse, France,

Brevets

[57] K. Naser, V. Ricordel, P. Le Callet. Method for encoding video frames based on local texture synthesis and corresponding device,

[58] K. Naser, V. Ricordel, P. Le Callet. Method for encoding video frames based on local texture synthesis and corresponding device,

Ouvrages – Chapitres d'ouvrages et directions d'ouvrages

[59] V. Ricordel, J. Wang, M. Perreira da Silva, P. Le Callet. 2D & 3D Visual Attention for Computer Vision: Concepts, Measurement, and Modeling,

[60] V. Ricordel, J. Wang, M. da Silva, P. Le Callet. 2D and 3D Visual Attention for Computer Vision,

[61] K. Naser, V. Ricordel, P. Le Callet. Perceptual Texture Similarity for Machine Intelligence Applications,

Theses et HDR

[62] V. Ricordel. Etude d'un schéma de quantification vectorielle algébrique et arborescente. Application à la compression de séquences d'images numériques,

[63] V. Ricordel. Outils et méthodes pour le codage vidéo perceptuel,

Autres publications

[64] P. Fiche, V. Ricordel, C. Labit. Etude d'algorithmes de quantification vectorielle arborescente pour la compression d'images fixes,

[65] V. Ricordel, C. Labit. Quantification vectorielle par emboîtage d'une hiérarchie de réseaux réguliers de points,

[66] O. Brouard, F. Delannay, V. Ricordel, D. Barba. Rapport d'étude sur les méthodes de conditionnement et de pré-analyse du flux vidéo,

[67] F. Delannay, O. Brouard, V. Ricordel, D. Barba. Rapport sur les définitions d'algorithmes de filtrage et de pré-analyse du flux vidéo,

[68] O. Brouard, F. Delannay, V. Ricordel, D. Barba. Manuel d'utilisation du logiciel de conditionnement et de pré-analyse du flux vidéo.,

[69] O. Brouard, F. Delannay, V. Ricordel, D. Barba. Rapport sur les tests des algorithmes de filtrage et de pré-analyse du flux vidéo.,

[70] V. Ricordel. Des images bien traitées,

[71] V. Ricordel, A. Drémeau, C. Guillemot, M. Cagnazzo, E. d'Acunto, B. Pesquet-Popescu. State of the art in 2D content representation and compression,

[72] V. Ricordel, J. Wang, J. Gautier, O. Le Meur, E. Bosc. Perceptual modelling for 2D and 3D,

[73] P. Le Callet, V. Ricordel, J. Wang, J. Gautier, C. Guillemot, L. Guillo, O. Le Meur, E. Bosc, L. Morin, M. Cagnazzo, B. Pesquet-Popescu. Livrable D5.2 of the PERSEE project : 2D/3D Codec architecture,

[74] V. Ricordel, C. Guillemot, L. Guillo, O. Le Meur, M. Cagnazzo, B. Pesquet-Popescu. Livrable D3.2 of the PERSEE project : 2D coding tools (intermediate version of the software),

[75] J. Wang, E. Bosc, J. Li, V. Ricordel. Livrable D1.2 of the PERSEE project : Perceptual-Modelling-Definition-of-the-Models,

[76] J. Wang, J. Gautier, E. Bosc, J. Li, V. Ricordel. Livrable D6.1 of the PERSEE project : Perceptual Assessment : Definition of the scenarios,

[77] V. Ricordel, C. Guillemot, L. Guillo, O. Le Meur, M. Cagnazzo, B. Pesquet-Popescu. Livrable D3.3 of the PERSEE project : 2D coding tools,

[78] M. Barkowsky, E. Bosc, M. Cagnazzo, J. Gautier, C. Guillemot, V. Jantet, O. Le Meur, L. Morin, F. Racapé, V. Ricordel. Livrable D4.2 of the PERSEE project : Représentation et codage 3D – Rapport intermédiaire – Définitions des softs et architecture,

[79] J. Wang, J. Gautier, O. Le Meur, E. Bosc, V. Ricordel. Livrable D1.3 of the PERSEE project – Perceptual Modelling: Softwares results and final report.,

[80] M. Barkowsky, J. Wang, J. Gautier, O. Le Meur, E. Bosc, V. Ricordel. Perceptual Assessment: Final tests and Analysis.,

[81] V. Ricordel, C. Guillemot, L. Guillo, O. Le Meur, M. Cagnazzo, G. Valenzise, B. Pesquet-Popescu. Livrable D3.4 of the PERSEE project : 2D coding tools final report,

[82] V. Ricordel, V. Jantet, J. Gautier, C. Guillemot, L. Guillo, E. Bosc, F. Racapé, L. Morin, M. Pressigout, M. Cagnazzo, G. Valenzise, B. Pesquet-Popescu. 3D coding tools final report,

[83] V. Ricordel. Annual Training Activity Report (ATAR) – Provision ITN,

Pas de projets référencées pour l’instant

Pas de plateformes référencées pour l’instant

Pas de logiciels de référencés pour l’instant