http://www.robots.ox.ac.uk/~vgg/data/text/
Mask TextSpotter https://oysz2016.github.io/post/f222e8ff.html
INT8量化 https://jackwish.net/neural-network-quantization-introduction-chn.html?tdsourcetag=s_pcqq_aiomsg#
ACE Loss 取代 CTC https://arxiv.org/abs/1904.08364