Cited by 4,303Emotion and Mood RecognitionFace recognition and analysisFace and Expression Recognition

The Extended Cohn-Kanade Dataset (CK+): A complete dataset for action unit and emotion-specified expression

Lucey, Patrick, Cohn, Jeffrey F., Kanade, Takeo, Saragih, Jason, Ambadar, Zara, Matthews, Iain·2010·2010 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Workshops

Abstract

In 2000, the Cohn-Kanade (CK) database was released for the purpose of promoting research into automatically detecting individual facial expressions. Since then, the CK database has become one of the most widely used test-beds for algorithm development and evaluation. During this period, three limitations have become apparent: 1) While AU codes are well validated, emotion labels are not, as they refer to what was requested rather than what was actually performed, 2) The lack of a common performance metric against which to evaluate new algorithms, and 3) Standard protocols for common databases have not emerged. As a consequence, the CK database has been used for both AU and emotion detection (even though labels for the latter have not been validated), comparison with benchmark algorithms is missing, and use of random subsets of the original database makes meta-analyses difficult. To address these and other concerns, we present the Extended Cohn-Kanade (CK+) database. The number of sequences is increased by 22% and the number of subjects by 27%. The target expression for each sequence is fully FACS coded and emotion labels have been revised and validated. In addition to this, non-posed sequences for several types of smiles and their associated metadata have been added. We present baseline results using Active Appearance Models (AAMs) and a linear support vector machine (SVM) classifier using a leave-one-out subject cross-validation for both AU and emotion detection for the posed data. The emotion and AU labels, along with the extended image data and tracked landmarks will be made available July 2010.

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Crossref · 10.1109/cvprw.2010.5543262

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Authors
Lucey, P., Cohn, J. F., Kanade, T., Saragih, J., Ambadar, Z., & Matthews, I.
Affiliations
  • University of Pittsburgh (US)
  • Carnegie Mellon University (US)
  • Walt Disney (United States) (US)
Venue
2010 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Workshops
Publisher
IEEE
Published
2010-06
Pages
94-101
ISSN
2160-7508 (ISSN-L)
OpenAlex
W2103943262
Cited by
4,303
References
29
Citations by year
2026: 139 · 2025: 286 · 2024: 350 · 2023: 462 · 2022: 440 · 2021: 464 · 2020: 411 · 2019: 397 · 2018: 332 · 2017: 268 · 2016: 214 · 2015: 199 · 2014: 139 · 2013: 110 · 2012: 53
FWCI
121.79
Type
conference paper
Language
en
Open access
closed
Locations
2009 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Emotion and Mood Recognition
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Face recognition and analysis
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Face and Expression Recognition
Keywords
facial expression recognition, facial action units, emotion recognition, facial landmark tracking, active appearance models, support vector classifier, benchmark dataset

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