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ATAL
2005
Springer
14 years 3 months ago
Agent-based recognition of facial expressions
Description of a system to detect facial expressions using an agent-based approach is presented. The system utilizes interaction between Matlab-based image filters and a JADEbased...
Pablo Suau Pérez, Maria Del Mar Pujol L&oac...
ACII
2005
Springer
14 years 3 months ago
Facial Expression Recognition Using HLAC Features and WPCA
This paper proposes a new facial expression recognition method which combines Higher Order Local Autocorrelation (HLAC) features with Weighted PCA. HLAC features are computed at ea...
Fang Liu, Zhiliang Wang, Li Wang, Xiuyan Meng
ICPR
2010
IEEE
13 years 8 months ago
Using Moments on Spatiotemporal Plane for Facial Expression Recognition
In this paper, we propose a novel approach to capture the dynamic deformation caused by facial expressions. The proposed method is concentrated on the spatiotemporal plane which i...
Yi Ji, Khalid Idrissi
ECCV
2006
Springer
14 years 12 months ago
A Theory of Spherical Harmonic Identities for BRDF/Lighting Transfer and Image Consistency
Abstract. We develop new mathematical results based on the spherical harmonic convolution framework for reflection from a curved surface. We derive novel identities, which are the ...
Dhruv Mahajan, Ravi Ramamoorthi, Brian Curless
PG
2002
IEEE
14 years 2 months ago
Estimation of Multiple Directional Light Sources for Synthesis of Mixed Reality Images
We present a new method for the detection and estimation of multiple directional illuminants, using a single image of any object with known geometry and Lambertian reflectance. W...
Yang Wang, Dimitris Samaras