FPN训练自己的小目标数据爬坑日志（2）

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错误：RcnnLossBBox = 0  

I0625 20:40:38.710259 18430 sgd_solver.cpp:107] Iteration 2640, lr = 0.001

I0625 20:40:50.785377 18430 solver.cpp:229] Iteration 2660, loss = 0.262648
I0625 20:40:50.785401 18430 solver.cpp:245]     Train net output #0: FPNClsLoss = 0.0808626 (* 1 = 0.0808626 loss)
I0625 20:40:50.785408 18430 solver.cpp:245]     Train net output #1: FPNLossBBox = 0.277722 (* 1 = 0.277722 loss)
I0625 20:40:50.785411 18430 solver.cpp:245]     Train net output #2: RcnnLossBBox = 0 (* 1 = 0 loss)

I0625 20:40:50.785415 18430 solver.cpp:245]     Train net output #3: RcnnLossCls = 1.07288e-06 (* 1 = 1.07288e-06 loss)

loss_bbox = 0，解决后续补充

1、尝试过将base_lr学习率修改为0.00001

2、因为本人得显卡是k2200故将batch_size设置为1，最后换了1080ti，loss不为0（基本解决）

3、后续尝试将数据集扩大