Results 1 issues of Wen Zhou

I was trying to reproduce the result with COWC, however, there are no cars detected during test time while the loss curve during training time looks reasonable: ![yolt_loss_plot_tiny_cowc](https://user-images.githubusercontent.com/10052602/57990905-e8ef7600-7a5f-11e9-97ed-d12775f08ee1.png) I was...