code update

Merge pull request !2686 from 崔庆源/code_metric_learn

Merge pull request !2622 from 孙大千/code_E-NET

Merge pull request !3016 from yao_yf/pangu_performace_fix

code update

Merge pull request !2918 from guozhijian/fix_probability_failure

Merge pull request !2995 from zhaoting/master

Merge pull request !2988 from zhouyaqiang0/master

Merge pull request !2984 from zhaoting/master

Merge pull request !2474 from 章磊/master

Merge pull request !2987 from wanghenchang/ctpn-mem

Merge pull request !2568 from 范伟顺/master

Merge pull request !2982 from fuzhongqian/master

Merge pull request !2906 from wangzeyangyi/pix2pix

script update

script update

script update

fix

Merge pull request !2581 from sudo_aimer/master

Merge pull request !2943 from anzhengqi/modify-networks

Merge pull request !2956 from gengdongjie/fix_simplepose

Merge pull request !2949 from zyli2020/master

Merge pull request !2920 from wangzeyangyi/predrnn

Merge pull request !2941 from huangxinjing/fix_script_error

Merge pull request !2923 from zhaoting/faster_rcnn

Merge pull request !2939 from zhanghuiyao/fix_hed_master