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Search: "[ keyword: optical flow ]" (2)

1. A Hybrid Approach of Efficient Facial Feature Detection and Tracking for Real-time Face Direction Estimation

Woonggi Kim, Junchul Chun, Vol. 14, No. 6, pp. 117-124, Dec. 2013
10.7472/jksii.2013.14.6.117
Keywords: Face Detection, Skin Color, Haar-like feature, Adaboost, optical flow, Template matching, Face pose estimation
2. Realtime Facial Expression Recognition from Video Sequences Using Optical Flow and Expression HMM

Jun-Chul Chun, Gi-Han Shin, Vol. 10, No. 4, pp. 55-70, Aug. 2009
Keywords: HMM(Hidden Markov Model), optical flow, facial expression recognition, facial motion tracking