* add v4 det pretrain link

* update size to 960

* add ppocrv4 det student and teacher model

* update head and config, refine details

* refine config and head details

* refine config and head details

* refine details

* refine details

* remove application

* refine fpn

* fix bug

* update code

* fix bug

* align lcnet to rec

* align hgnet to rec

* refine make shrink

* remove theseus layer

* v4rec code

* v4rec add nrtrloss

* Add V4rec backbone file

* Add V4Rec config file.

* Fix V4rec reparameters when export_model

* convert lvnetv3

* fix codestyle

* fix infer_rec v4rec

* add v4rec hgnet

* add v4rec hgnet config

* add svtr_hgnet

* fix bugs in infer_rec and hgnet

* v4rec code

* v4rec add nrtrloss

* Add V4rec backbone file

* Add V4Rec config file.

* Fix V4rec reparameters when export_model

* convert lvnetv3

* fix codestyle

* fix infer_rec v4rec

* add d2s train for slanet and v3

* fix bug

* udpate tipc to_static

* update db

* remove_print

* update benchmark_train.sh

* update maybe_download_params

* add d2t train support of svtr

* add d2s train for slanet and v3

* fix bug

* change num worker to 16

* adjust num_worker ser_layoutlm_xfund_zh.yml for better performance

* rename PP-OCRv3 algorithm to SVTR_LCNet

* rename PP-OCRv3 algorithm to SVTR_LCNet

* update multi-lang config for v3

* add satrn

* 修复satrn导出问题

* 规范satrn config文件

* 删除SATRNRecResizeImg

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Co-authored-by: Nzhiminzhang0830 <zhangzhimin04@baidu.com>

* fix piecewise boundaries and droppath dtype

* fix tipc piecewise boundaries and droppath dtype