| 
 | CRNN (%) | FasterRCNN + DCNN (%) | SVM (%) | 
| 原始数据集 | 38.81 | 17.87 | 41.91 | 
| 识别数据集1 | 81.17 | 75.90 | 67.71 | 
| 识别数据集2 | 80.73 | 71.51 | 63.12 | 
| 识别数据集3 | 74.61 | 67.83 | 59.23 | 
| 识别数据集4 | 91.10 | 81.37 | 76.38 |