后验概率图与补白模型二次融合的关键词识别

陈太波,张翠芳

Keyword recognition based on twice fusion of Posteriorgram and filler model

Tai-bo CHEN,Cui-fang ZHANG

表 2 不同模型的关键词识别率对比

Tab.2 Comparison of keyword recognition rates of different models

编号 Posteriorgram-HMM Posteriorgram-HMM-MAP NT ψ /% NT ψ /% kw_1 9 84.31 11 91.67 kw_2 8 78.57 10 90.90 kw_3 6 75.00 6 75.00 kw_4 12 85.71 12 85.71 kw_5 14 82.14 15 88.24 kw_6 4 100.00 4 100.00 kw_7 18 85.71 18 85.71 kw_8 9 90.00 10 100.00 kw_9 15 78.95 15 78.95 kw_10 20 83.33 22 91.67 kw_11 23 79.31 24 82.76 kw_12 44 89.79 42 85.71 kw_13 20 84.21 21 87.50 kw_14 8 80.00 10 100.00 kw_15 28 90.30 28 90.32 kw_16 11 78.57 13 92.86 kw_17 15 78.95 16 84.21 kw_18 12 90.90 13 92.86 kw_19 26 81.25 29 90.62 kw_20 43 94.54 41 89.13 kw_21 14 77.78 16 88.89 kw_22 22 84.62 23 88.46 kw_23 14 82.35 16 94.12 kw_24 26 86.67 25 83.33 kw_25 25 83.33 25 83.33 kw_26 8 90.69 9 100.00 kw_27 9 81.81 9 81.81 kw_28 12 80.00 13 86.67 kw_29 19 82.61 20 86.96