Research Article
Time-Frequency Feature Extraction of HRRP Using AGR and NMF for SAR ATR
Table 2
Confusion matrix for 10-target classification (6° aperture).
| Test targets | Recognized as | Recognition rate (%) | BMP2 | BRDM2 | BTR60 | BTR70 | D7 | T62 | T72 | ZIL131 | ZSU234 | 2S1 |
| BMP2 | 177 | 1 | 3 | 1 | 0 | 5 | 6 | 0 | 1 | 1 | 90.76 | BRDM2 | 2 | 267 | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 97.45 | BTR60 | 1 | 2 | 179 | 6 | 1 | 0 | 0 | 3 | 2 | 1 | 91.79 | BTR70 | 1 | 1 | 8 | 180 | 0 | 2 | 0 | 1 | 0 | 3 | 91.84 | D7 | 0 | 1 | 0 | 0 | 271 | 1 | 0 | 0 | 0 | 1 | 98.91 | T62 | 1 | 3 | 3 | 2 | 1 | 258 | 3 | 0 | 2 | 0 | 94.51 | T72 | 1 | 0 | 1 | 1 | 0 | 2 | 189 | 1 | 0 | 1 | 96.43 | ZIL131 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 269 | 1 | 1 | 98.18 | ZSU234 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 268 | 1 | 97.81 | 2S1 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 270 | 98.54 |
| Average recognition rate (%) | 95.62 |
|
|