A Spatio-Temporal Descriptor for Dynamic 3D Facial Expression Retrieval and Recognition (Unknown language)

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The recent availability of dynamic 3D facial scans has spawned research activity in recognition based on such data. However, the problem of facial expression retrieval based on dynamic 3D facial data has hardly been addressed and is the subject of this paper. A novel descriptor is created, capturing the spatio-temporal deformation of the 3D facial mesh sequence. Experiments have been implemented using the standard BU - 4DFE dataset. The obtained retrieval results exceed the state-of-the-art results and the new descriptor is much more frugal in terms of space requirements. Furthermore, a methodology which exploits the retrieval results, in order to achieve unsupervised dynamic 3D facial expression recognition is presented, in order to directly compare the proposed descriptor against the wealth of works in recognition. The aforementioned unsupervised methodology outperforms the supervised dynamic 3D facial expression recognition state-of-the-art techniques in terms of classification accuracy.

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3D GrabCut: Interactive Foreground Extraction for Reconstructed 3D Scenes
Meyer, Gregory P. / Do, Minh N. | 2015
Automatic 3D Object Fracturing for Evaluation of Partial Retrieval and Object Restoration Tasks - Benchmark and Application to 3D Cultural Heritage Data
Gregor, Robert / Bauer, Danny / Sipiran, Ivan / Perakis, Panagiotis / Schreck, Tobias | 2015
Randomized Sub-Volume Partitioning for Part-Based 3D Model Retrieval
Furuya, Takahiko / Kurabe, Seiya / Ohbuchi, Ryutarou | 2015
Partial 3D Object Retrieval combining Local Shape Descriptors with Global Fisher Vectors
Savelonas, Michalis A. / Pratikakis, Ioannis / Sfikas, Konstantinos | 2015
Indoor Location Retrieval using Shape Matching of KinectFusion Scans to Large-Scale Indoor Point Clouds
Al-Nuaimi, Anas / Piccolrovazzi, Martin / Gedikli, Suat / Steinbach, Eckehard / Schroth, Georg | 2015
Sketch-based 3D Object Retrieval Using Two Views and a Visual Part Alignment
Yasseen, Zahraa / Verroust-Blondet, Anne / Nasri, Ahmad | 2015
3D Object Retrieval with Parametric Templates
Getto, Roman / Fellner, Dieter W. | 2015
Morphological Analysis of 3D Faces for Weight Gain Assessment
Giorgi, Daniela / Pascali, Maria Antonietta / Raccichini, Giovanni / Colantonio, Sara / Salvetti, Ovidio | 2015
A Spatio-Temporal Descriptor for Dynamic 3D Facial Expression Retrieval and Recognition
Danelakis, Antonios / Theoharis, Theoharis / Pratikakis, Ioannis | 2015
Accelerating the Computation of Canonical Forms for 3D Nonrigid Objects using Multidimensional Scaling
Shamai, Gil / Zibulevsky, Michael / Kimmel, Ron | 2015
ThOR: Three-dimensional Object Retrieval Library
Pascoal, Pedro B. / Ferreira, Alfredo | 2015
Towards Scientific Benchmarks: On Increasing the Credibility of Benchmarks
Gundersen, Odd Erik | 2015
Bag of Compact HKS-based Feature Descriptors
ElNaghy, Hanan / Hamad, Safwat | 2015
Computing Local Binary Patterns on Mesh Manifolds for 3D Texture Retrieval
Werghi, Naoufel / Tortorici, Claudio / Berretti, Stefano / Bimbo, Alberto Del | 2015
RETRIEVAL 3D: An On-line Content-Based Retrieval Performance Evaluation Tool
Koutsoudis, Anestis / Ioannakis, George / Pratikakis, Ioannis / Chamzas, Christos | 2015
Canonical Forms for Non-Rigid 3D Shape Retrieval
Pickup, David / Sun, Xianfang / Rosin, Paul L. / Martin, Ralph R. / Cheng, Zhiquan / Nie, Sipin / Jin, Longcun | 2015
Non-rigid 3D Shape Retrieval
Lian, Z. / Zhang, J. / Choi, S. / ElNaghy, H. / El-Sana, J. / Furuya, T. / Giachetti, A. / Guler, R. A. / Lai, L. / Li, C. et al. | 2015
Scalability of Non-Rigid 3D Shape Retrieval
Sipiran, I. / Bustos, B. / Schreck, T. / Bronstein, A. M. / Choi, S. / Lai, L. / Li, H. / Litman, R. / Sun, L. | 2015
3D Object Retrieval with Multimodal Views
Gao, Yue / Liu, Anan / Nie, Weizhi / Su, Yuting / Dai, Qionghai / Chen, Fuhai / Chen, Yingying / Cheng, Yanhua / Dong, Shuilong / Duan, Xingyue et al. | 2015
Retrieval of Non-rigid (textured) Shapes Using Low Quality 3D Models
Giachetti, Andrea / Farina, Francesco / Fornasa, Francesco / Tatsuma, Atsushi / Sanada, Chika / Aono, Masaki / Biasotti, Silvia / Cerri, Andrea / Choi, Sungbin | 2015
Retrieval of Objects Captured with Kinect One Camera
Pascoal, Pedro B. / Proença, Pedro / Gaspar, Filipe / Dias, Miguel Sales / Teixeira, Filipe / Ferreira, Alfredo / Seib, Viktor / Link, Norman / Paulus, Dietrich / Tatsuma, Atsushi et al. | 2015
Range Scans based 3D Shape Retrieval
Godil, A. / Dutagaci, H. / Bustos, B. / Choi, S. / Dong, S. / Furuya, T. / Li, H. / Link, N. / Moriyama, A. / Meruane, R. et al. | 2015