huangying

Results 2 issues of huangying

## Description I want to reduce gpu memory costing when using gluon, I tryed MXNet memonger but it did not work for me, After that I setting os.environ['MXNET_BACKWARD_DO_MIRROR'] = '1',...

用predict.py预测视频分类,得到action_result为空,发现结果都是被process_video_classify中label_iou_score>iou_thead条件过滤了,所有事件分类结果的label_iou_score均为0,不知道什么原因计算错误