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Author  |
Fadi Dornaika; Bogdan Raducanu |
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Title |
Simultaneous 3D face pose and person-specific shape estimation from a single image using a holistic approach |
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Conference Article |
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Year |
2009 |
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IEEE Workshop on Applications of Computer Vision |
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This paper presents a new approach for the simultaneous estimation of the 3D pose and specific shape of a previously unseen face from a single image. The face pose is not limited to a frontal view. We describe a holistic approach based on a deformable 3D model and a learned statistical facial texture model. Rather than obtaining a person-specific facial surface, the goal of this work is to compute person-specific 3D face shape in terms of a few control parameters that are used by many applications. The proposed holistic approach estimates the 3D pose parameters as well as the face shape control parameters by registering the warped texture to a statistical face texture, which is carried out by a stochastic and genetic optimizer. The proposed approach has several features that make it very attractive: (i) it uses a single grey-scale image, (ii) it is person-independent, (iii) it is featureless (no facial feature extraction is required), and (iv) its learning stage is easy. The proposed approach lends itself nicely to 3D face tracking and face gesture recognition in monocular videos. We describe extensive experiments that show the feasibility and robustness of the proposed approach. |
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Utah, USA |
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1550-5790 |
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978-1-4244-5497-6 |
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WACV |
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OR;MV |
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no |
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BCNPCL @ bcnpcl @ DoR2009b |
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1256 |
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Author |
Fadi Dornaika; Bogdan Raducanu |
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Title |
Single Snapshot 3D Head Pose Initialization for Tracking in Human Robot Interaction Scenario |
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Conference Article |
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Year |
2010 |
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1st International Workshop on Computer Vision for Human-Robot Interaction |
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32–39 |
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1st International Workshop on Computer Vision for Human-Robot Interaction, in conjunction with IEEE CVPR 2010 |
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This paper presents an automatic 3D head pose initialization scheme for a real-time face tracker with application to human-robot interaction. It has two main contributions. First, we propose an automatic 3D head pose and person specific face shape estimation, based on a 3D deformable model. The proposed approach serves to initialize our realtime 3D face tracker. What makes this contribution very attractive is that the initialization step can cope with faces
under arbitrary pose, so it is not limited only to near-frontal views. Second, the previous framework is used to develop an application in which the orientation of an AIBO’s camera can be controlled through the imitation of user’s head pose.
In our scenario, this application is used to build panoramic images from overlapping snapshots. Experiments on real videos confirm the robustness and usefulness of the proposed methods. |
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San Francisco; CA; USA; June 2010 |
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2160-7508 |
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978-1-4244-7029-7 |
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CVPRW |
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BCNPCL @ bcnpcl @ DoR2010a |
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1309 |
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Author |
Fadi Dornaika; Bogdan Raducanu |
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Title |
Person-specific face shape estimation under varying head pose from single snapshots |
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Conference Article |
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2010 |
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20th International Conference on Pattern Recognition |
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3496–3499 |
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This paper presents a new method for person-specific face shape estimation under varying head pose of a previously unseen person from a single image. We describe a featureless approach based on a deformable 3D model and a learned face subspace. The proposed approach is based on maximizing a likelihood measure associated with a learned face subspace, which is carried out by a stochastic and genetic optimizer. We conducted the experiments on a subset of Honda Video Database showing the feasibility and robustness of the proposed approach. For this reason, our approach could lend itself nicely to complex frameworks involving 3D face tracking and face gesture recognition in monocular videos. |
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Istanbul, Turkey |
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1051-4651 |
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978-1-4244-7542-1 |
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ICPR |
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OR;MV |
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no |
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BCNPCL @ bcnpcl @ DoR2010b |
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1361 |
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Author |
Fadi Dornaika; Bogdan Raducanu |
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Title |
Subtle Facial Expression Recognition in Still Images and Videos |
Type |
Book Chapter |
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Year |
2011 |
Publication |
Advances in Face Image Analysis: Techniques and Technologies |
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14 |
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259-277 |
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This chapter addresses the recognition of basic facial expressions. It has three main contributions. First, the authors introduce a view- and texture independent schemes that exploits facial action parameters estimated by an appearance-based 3D face tracker. they represent the learned facial actions associated with different facial expressions by time series. Two dynamic recognition schemes are proposed: (1) the first is based on conditional predictive models and on an analysis-synthesis scheme, and (2) the second is based on examples allowing straightforward use of machine learning approaches. Second, the authors propose an efficient recognition scheme based on the detection of keyframes in videos. Third, the authors compare the dynamic scheme with a static one based on analyzing individual snapshots and show that in general the former performs better than the latter. The authors then provide evaluations of performance using Linear Discriminant Analysis (LDA), Non parametric Discriminant Analysis (NDA), and Support Vector Machines (SVM). |
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IGI-Global |
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New York, USA |
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Yu-Jin Zhang |
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978-1-6152-0991-0 |
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OR;MV |
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Admin @ si @ DoR2011 |
Serial |
1751 |
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Author |
Fadi Dornaika; Bogdan Raducanu |
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Title |
Out-of-Sample Embedding for Manifold Learning Applied to Face Recognition |
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Conference Article |
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Year |
2013 |
Publication |
IEEE International Workshop on Analysis and Modeling of Faces and Gestures |
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862-868 |
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Manifold learning techniques are affected by two critical aspects: (i) the design of the adjacency graphs, and (ii) the embedding of new test data---the out-of-sample problem. For the first aspect, the proposed schemes were heuristically driven. For the second aspect, the difficulty resides in finding an accurate mapping that transfers unseen data samples into an existing manifold. Past works addressing these two aspects were heavily parametric in the sense that the optimal performance is only reached for a suitable parameter choice that should be known in advance. In this paper, we demonstrate that sparse coding theory not only serves for automatic graph reconstruction as shown in recent works, but also represents an accurate alternative for out-of-sample embedding. Considering for a case study the Laplacian Eigenmaps, we applied our method to the face recognition problem. To evaluate the effectiveness of the proposed out-of-sample embedding, experiments are conducted using the k-nearest neighbor (KNN) and Kernel Support Vector Machines (KSVM) classifiers on four public face databases. The experimental results show that the proposed model is able to achieve high categorization effectiveness as well as high consistency with non-linear embeddings/manifolds obtained in batch modes. |
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Portland; USA; June 2013 |
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CVPRW |
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OR; 600.046;MV |
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no |
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Call Number |
Admin @ si @ DoR2013 |
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2236 |
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Author |
Fadi Dornaika; Bogdan Raducanu |
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Title |
Analysis and Recognition of Facial Expressions in Videos Using Facial Shape Deformation |
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2012 |
Publication |
Facial Expressions: Dynamic Patterns, Impairments and Social Perceptions |
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157-178 |
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NOVA Publishers |
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S.E. Carter |
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OR;MV |
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Admin @ si @ DoR2012 |
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2183 |
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Author |
Fadi Dornaika; Bogdan Raducanu; Alireza Bosaghzadeh |
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Title |
Facial expression recognition based on multi observations with application to social robotics |
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Book Chapter |
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2015 |
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Emotional and Facial Expressions: Recognition, Developmental Differences and Social Importance |
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153-166 |
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Human-robot interaction is a hot topic nowadays in the social robotics
community. One crucial aspect is represented by the affective communication
which comes encoded through the facial expressions. In this chapter, we propose a novel approach for facial expression recognition, which exploits an efficient and adaptive graph-based label propagation (semi-supervised mode) in a multi-observation framework. The facial features are extracted using an appearance-based 3D face tracker, viewand texture independent. Our method has been extensively tested on the CMU dataset, and has been conveniently compared with other methods for graph construction. With the proposed approach, we developed an application for an AIBO robot, in which it mirrors the recognized facial
expression. |
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Nova Science publishers |
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Bruce Flores |
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OR;MV |
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Admin @ si @ DRB2015 |
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2720 |
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Author |
Fadi Dornaika; Francisco Javier Orozco; Jordi Gonzalez |
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Title |
Combined Head, Lips, Eyebrows, and Eyelids Tracking Using Adaptive Appearance Models |
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2006 |
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IV Conference on Articulated Motion and Deformable Objects (AMDO´06), LNCS 4069: 110–119 |
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Mallorca (Spain) |
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ISE @ ise @ DOG2006 |
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687 |
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Author |
Fadi Dornaika; Franck Davoine |
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Title |
Simultaneous Facial Action Tracking and Expression Recognition using a Particle Filter |
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2005 |
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10th IEEE Int. Conference on Computer Vision (ICCV) |
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Beijing (China) |
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Admin @ si @ DoD2005d |
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581 |
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Fadi Dornaika; Franck Davoine |
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Facial expression recognition in continuous videos using dynamic programming |
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2005 |
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IEEE Int. Conference on Image Processing |
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Genova (Italy) |
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Admin @ si @ DoD2005a |
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597 |
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Fadi Dornaika; Franck Davoine |
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SFM for planar scenes using image derivatives |
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2005 |
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IEEE Int. Conference on Image Processing, 1088–1091 |
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598 |
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Fadi Dornaika; Franck Davoine |
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On appearance based face and facial action tracking |
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2006 |
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IEEE Transactions on Circuits and Systems for Video Technology, 16(9): 1838–1853 |
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732 |
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Fadi Dornaika; Franck Davoine |
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Facial expression recognition using auto-regressive models |
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2006 |
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18th International Conference on Pattern Recognition (ICPR´06), ISBN: 0–7695–2521–0, 4: 520–523 |
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Hong Kong |
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Admin @ si @ DoD2006a |
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734 |
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Fadi Dornaika; J. Ahlberg |
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Fitting 3D face models for tracking and active appearance model training |
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2006 |
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Image and Vision Computing, 24(9): 1010–1024 |
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Admin @ si @ DoA2006 |
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733 |
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Fadi Dornaika; Jose Manuel Alvarez; Angel Sappa; Antonio Lopez |
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A New Framework for Stereo Sensor Pose through Road Segmentation and Registration |
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2011 |
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IEEE Transactions on Intelligent Transportation Systems |
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TITS |
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12 |
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4 |
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954-966 |
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road detection |
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This paper proposes a new framework for real-time estimation of the onboard stereo head's position and orientation relative to the road surface, which is required for any advanced driver-assistance application. This framework can be used with all road types: highways, urban, etc. Unlike existing works that rely on feature extraction in either the image domain or 3-D space, we propose a framework that directly estimates the unknown parameters from the stream of stereo pairs' brightness. The proposed approach consists of two stages that are invoked for every stereo frame. The first stage segments the road region in one monocular view. The second stage estimates the camera pose using a featureless registration between the segmented monocular road region and the other view in the stereo pair. This paper has two main contributions. The first contribution combines a road segmentation algorithm with a registration technique to estimate the online stereo camera pose. The second contribution solves the registration using a featureless method, which is carried out using two different optimization techniques: 1) the differential evolution algorithm and 2) the Levenberg-Marquardt (LM) algorithm. We provide experiments and evaluations of performance. The results presented show the validity of our proposed framework. |
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1524-9050 |
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Admin @ si @ DAS2011; ADAS @ adas @ das2011a |
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1833 |
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