fcos模型使用出现nan
Created by: yinggo
2020-06-04 14:04:36,042-INFO: iter: 0, lr: 0.003333, 'loss_centerness': '0.707450', 'loss_cls': '1.153195', 'loss_box': '8604.718750', 'loss': '8606.579102', time: 0.000, eta: 0:00:01
2020-06-04 14:04:43,885-INFO: iter: 20, lr: 0.003600, 'loss_centerness': '416.278137', 'loss_cls': '10.299585', 'loss_box': '7611.416992', 'loss': '9316.037109', time: 0.439, eta: 10:58:12
2020-06-04 14:04:51,708-INFO: iter: 40, lr: 0.003867, 'loss_centerness': 'nan', 'loss_cls': 'nan', 'loss_box': '7982.696289', 'loss': 'nan', time: 0.391, eta: 9:45:29
2020-06-04 14:04:59,772-INFO: iter: 60, lr: 0.004133, 'loss_centerness': 'nan', 'loss_cls': 'nan', 'loss_box': '22842.406250', 'loss': 'nan', time: 0.403, eta: 10:04:24
2020-06-04 14:05:07,863-INFO: iter: 80, lr: 0.004400, 'loss_centerness': 'nan', 'loss_cls': 'nan', 'loss_box': '22561.207031', 'loss': 'nan', time: 0.404, eta: 10:06:11
2020-06-04 14:05:16,058-INFO: iter: 100, lr: 0.004667, 'loss_centerness': 'nan', 'loss_cls': 'nan', 'loss_box': '22724.001953', 'loss': 'nan', time: 0.410, eta: 10:13:37
已经减小了base_lr from 0.01 to 0.0001…… 请问需要怎么调整模型?