method: PATECH_CHENGDU_OCR2019-05-05

Authors: JunKun Zhou, Ming Guan, ZhengNan Luo, MingTao Wang, YuBin Xiao, MingBin Hou

Description: Separate algorithm flow for each field。
Include location/recognition/calculation logic for each fields, NLP(text classification)is used for company name / address。