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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Songfan Yang Le An Bhanu, B. Thakoor, N. |
| Copyright Year | 2013 |
| Description | Author affiliation: Center for Res. in Intell. Syst., Univ. of California Riverside, Riverside, CA, USA (Songfan Yang; Le An; Bhanu, B.; Thakoor, N.) |
| Abstract | Aligning faces with non-rigid muscle motion in the real-world streaming video is a challenging problem. We propose a novel automatic video-based face registration architecture for facial expression recognition. The registration process is formulated as a dense SIFT-flow- and optical-flow-based affine warping problem. We start off by estimating the transformation of an arbitrary face to a generic reference face with canonical pose. This initialization in our framework establishes a head pose and person independent face model. The affine transformation computed from the initialization is then propagated by affine transformation estimated from the dense optical flow to guarantee the temporal smoothness of the nonrigid facial appearance. We call this method SIFT and optical flow affine image transform (SOFAIT). This real-time algorithm is designed for realistic streaming data, allowing us to analyze the facial muscle dynamics in a meaningful manner. Visual and quantitative results demonstrate that the proposed automatic video-based face registration technique captures the appearance changes in spontaneous expressions and outperforms the state-of-the-art technique. |
| Sponsorship | IEEE Biomet. Counc. |
| Starting Page | 1 |
| Ending Page | 8 |
| File Size | 2385830 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781467355452 |
| e-ISBN | 9781467355469 |
| e-ISBN | 9781467355445 |
| DOI | 10.1109/FG.2013.6553790 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-04-22 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Communities Optical imaging Optical propagation Visualization Estimation |
| Content Type | Text |
| Resource Type | Article |
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