Real-time view-based face alignment using an extended AAM

In this paper, we present some extensions to Active Appearance Model and its extended view-based models are applied for tracking faces through wide angles. The extensions include:(1) a new multiband representation created by filtering the images with a set of orthogonal spatial filters and then appl...

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Bibliographic Details
Main Authors: Mingcai Zhou, Yangsheng Wang, Xiaoyan Wang, Xuetao Feng
Format: Conference Proceeding
Language:English
Subjects:
Active appearance model
Active shape model
Automation
Extra Landmarks
Face alignment
Face detection
Information filtering
Information filters
Multiband Representation
Nonlinear filters
Orthogonal Filters
Principal component analysis
Robustness
Spatial filters
View-based Active Appearance Model(AAM)
Online Access:Request full text
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Summary:In this paper, we present some extensions to Active Appearance Model and its extended view-based models are applied for tracking faces through wide angles. The extensions include:(1) a new multiband representation created by filtering the images with a set of orthogonal spatial filters and then applying a non-linear normalization to them, and (2)adding extra landmarks outside the facial region to encapsulate the complete contours of chin, cheeks and eyebrows and incorporate more information. The experimental results demonstrate that our extensions can achieve higher accuracy and better convergence rate, and verify that our extended AAM can be reliably applied for real-time face tracking under large pose variations.
DOI:10.1109/ICICISYS.2009.5357612