Chinese Sign Language Recognition Based on DTW-Distance-Mapping Features

Table 2

The overall classification accuracy of 11 subjects using DTW matching and DTW mapping followed by classifiers.

	0-F (%)	1-F (%)	2-F (%)	3-F (%)	4-F (%)	5-F (%)	All (%)
DTW matching	59.43	32.85	33.66	38.03	74.69	74.18	29.30
DTW mapping + LDA	84.96	89.66	92.15	94.40	97.69	94.48	93.20
DTW mapping + SVM	85.82	95.61	97.21	98.71	98.41	95.43	99.03
DTW mapping + KNN	96.31	91.61	93.26	95.76	97.61	94.61	94.92

stands for the number () of the stretching-out fingers. Here, ranges from 0 to 5. “All” means all 39 types of gestures.