PAUL, Padma Polash M.Phil. Student 3D Motion Capture Lab City University of Hong Kong Hong Kong SAR,China LEUNG, Wing-Ho Howard Assistant Professor Department of Computer Science City University of Hong Kong Hong Kong SAR,China Algorithm: 1. We have applied PCA and Fisher Discriminent Analysis for Feature Exraction. 2. We processed all channel data at the same time. 3. We used KNN calssifier to classify the feature. Artificial Data:Whether c,d,e or a,b,f,g