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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Feng Zhou De la Torre, F. Cohn, J.F. |
| Copyright Year | 2010 |
| Description | Author affiliation: Robotics Institute, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213 (Feng Zhou; De la Torre, F.) || University of Pittsburgh, Department of Psychology, Pittsburgh, Pennsylvania 15260 (Cohn, J.F.) |
| Abstract | Automatic facial image analysis has been a long standing research problem in computer vision. A key component in facial image analysis, largely conditioning the success of subsequent algorithms (e.g. facial expression recognition), is to define a vocabulary of possible dynamic facial events. To date, that vocabulary has come from the anatomically-based Facial Action Coding System (FACS) or more subjective approaches (i.e. emotion-specified expressions). The aim of this paper is to discover facial events directly from video of naturally occurring facial behavior, without recourse to FACS or other labeling schemes. To discover facial events, we propose a temporal clustering algorithm, Aligned Cluster Analysis (ACA), and a multi-subject correspondence algorithm for matching expressions. We use a variety of video sources: posed facial behavior (Cohn-Kanade database), unscripted facial behavior (RU-FACS database) and some video in infants. Accuracy of (unsupervised) ACA approached that of a supervised version, achieved moderate intersystem agreement with FACS, and proved informative as a visualization/summarization tool. |
| Starting Page | 2574 |
| Ending Page | 2581 |
| File Size | 7767703 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781424469840 |
| ISSN | 10636919 |
| e-ISBN | 9781424469857 |
| DOI | 10.1109/CVPR.2010.5539966 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-06-13 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Image analysis Vocabulary Clustering algorithms Visual databases Computer vision Face recognition Image recognition Labeling Algorithm design and analysis Pediatrics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Vision and Pattern Recognition Software |
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