gt_argmax_overlaps = overlaps.argmax(axis=0) ValueError: attempt to get argmax of an empty sequence錯誤處理

在faster rcnn內進行隨機裁剪數據增強，訓練一段時間后報錯：

gt_argmax_overlaps = overlaps.argmax(axis=0) ValueError: attempt to get argmax of an empty sequence

參考博客http://blog.csdn.net/jiajunlee/article/details/50470897知原因是裁剪的圖像或目標寬高比太小導致，更改裁剪策略可