Open Access
表4
样本库测试分类混淆矩阵
| 判别结果 | 判别方式 | 预测为水下 | 预测为水上 | 实际总计 | |
| 实际为水下 | 单一特征 | 时域包络 | 61 | 24 | 85 |
| DEMON | 66 | 19 | |||
| MFCC | 80 | 5 | |||
| 特征级融合 | 时域-DEMON | 69 | 16 | ||
| 时域-MFCC | 79 | 6 | |||
| DEMON-MFCC | 79 | 6 | |||
| 时域-DEMON-MFCC | 79 | 6 | |||
| 决策级融合 | 时域-DEMON | 67 | 18 | ||
| 时域-MFCC | 80 | 5 | |||
| DEMON-MFCC | 79 | 6 | |||
| 时域-DEMON-MFCC | 80 | 5 | |||
| 实际为水上 | 单一特征 | 时域包络 | 103 | 278 | 381 |
| DEMON | 91 | 290 | |||
| MFCC | 26 | 355 | |||
| 特征级融合 | 时域-DEMON | 99 | 282 | ||
| 时域-MFCC | 22 | 359 | |||
| DEMON-MFCC | 17 | 364 | |||
| 时域-DEMON-MFCC | 24 | 357 | |||
| 决策级融合 | 时域-DEMON | 82 | 299 | ||
| 时域-MFCC | 26 | 355 | |||
| DEMON-MFCC | 17 | 364 | |||
| 时域-DEMON-MFCC | 17 | 364 | |||
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