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Facial expression is one of the most important and representative basis to differ emotions of human beings.
Seven prototypical emotions The facial action coding system (FACS) proposed by Ekman’s team defines 44 types of AUs. Each AU is related to one or more facial muscles. Then a particular emotion can be described with one or several combinations of AUs.
Seven prototypical emotions
Seven prototypical emotions
Seven prototypical emotions
Medical care Prospect Education Traffic Security Search lost children Lie detection for police Medical nursing Psychical analysis Provide information of students’ learning states to teachers as potential guidance in e-learning Detect fatigue driving, drunk driving…
Technologies Face detection 1. Face detection based on various statistical models such as AAM, ASM。 2. Usually we use existing open source library。 Feature extraction 1. PCA(Principal Components Analysis) 2. Gabor feature 3. Optical flow 4. LBP(Local Binary Patterns) 5. AAM,ASM …… Classification 1. SVM(Support Vector Machine) 2. HMM(Hidden Markov Model) 2. Adaboost algorithm ……
Goal Develop an application based on ipad to realize facial expression recognition.
Thank you ! Contact me:Tel: 15821173075 Email:L_liulin@sjtu. edu. cn
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