* fix fpn

* add vitdet mask and yolo

* add vityolo

* add code

* add ld-vlr

* refractor code

* refine code

* add doc

* refine details

* refine doc

* update download url

* rename config file for ci

* rename config file in README for CI

* Update README_cn.md

* Update README_cn.md

* fix time count while less than warmupframe

* eliminate capture video time cost

* update PP-Vehicle docs and en docs

* add reid model in v2.5 modelzoo

* update more

* add more distributed training info

* fix bs and lr

* fix recompute state

* add fall down detection industry case

* modify the name of fall down industry case

* Update README_cn.md

* add scritps for npu and xpu

* rm slim_config in config

* rm enable lit egine for npu and xpu

* add lite_engine_enabled

* pose3d train

* delete extra comments

* only pose3d parallel eval; delete pose3d config

* fix mistake edit

* add push stream

* update push stream docs

* update class name

* update yoloseries doc, test=document_fix

* fix link, test=document_fix