表 2. The identification effect of effective bowel sound segments after different noise filtering methods.
不同噪声滤除方法处理后的有效肠鸣音片段识别效果
| 噪声滤除方法 | 准确度 | 灵敏度 | 特异度 |
| CEEMDAN | 91.65% | 93.68% | 91.49% |
| 小波去噪 | 80.14% | 87.47% | 79.55% |
| EMD | 90.90% | 71.55% | 90.72% |
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