* support mask rcnn bs>2

* fix resize op in c++ deploy

* fix preprocess in mask rcnn

* fix cascade mask rcnn when box is empty

* update merge batch

* rename lite model tar name;
test=document_fix

* Update Readme_cn and Add Readme_en on 2.4  (#5500)

* Update README_cn.md

* Update Readme

* Update README_cn.md

* Update README_cn.md

* Update docs for PP-YOLOE (#5494) (#5495)

* [cherry-pick] fix test arch (#5504)

* [cherry-pick] update pphuman en doc, test=document_fix (#5507)

* update pphuman en doc, test=document_fix

* update doc

* add warnings and TestDataset dataset_dir

* remove cython_box and fix doc

* fix conflict, test=document_fix
Co-authored-by: Nzhiboniu <zhiboniu@163.com>
Co-authored-by: NYixinKristy <48054808+YixinKristy@users.noreply.github.com>
Co-authored-by: Nqingqing01 <dangqingqing@baidu.com>
Co-authored-by: Nwangguanzhong <jerrywgz@126.com>

* add picodet new config

* add bytetrack yolov3 ppyoloe cfgs

* add bytetrack reid

* fix sde bytetrack reid

* fix bytetrack readme

* add jdetracker mtmct

* fix bytetrack reid

* fix deploy track_config

* fix doc readme

* support rcnn onnx

* clean code

* update cascade rcnn

* add todo for rpn proposals

* support nms options when export model

* fix config

* add bytetrack yolov3 engine and deploy baseline

* fix bytetrack yolov3 configs

* fix cfgs tools

* fix tracker pred_dets

* fit pptracking jde sde infer

* rename cfgs, fix mot_sde_infer

* fix mot sde single class infer

* remove byte cfgs

* fix mtmct

* clean code

* fix deepsort detectors cfgs, add ppyoloe

* modify yolov3 40e

* add ppyoloe mot17half modelzoo

* add resnet embedding reid

* remove fasterfpn picodet, fix nms for higher MOTA

* add mot17 yml

* fix _base_ cfgs

* fix doc

* Add PP-YOLOE yaml

* rename PP-YOLOE

* Add exclude_nms in ppyoloe_head

* rename pretrain_weights

* [ppyolov3] add ppyolov3 base code

* add ppyolov3 s/m/x

* modify ema

* modify code to convert onnx successfully

* support arbitrary shape

* update config to use amp default

* refine ppyolo_head code

* modify reparameter code

* refine act layer

* adapter pico_head and tood_head code

* remove ppyolov3 yaml

* fix codestyle
Co-authored-by: Nwangxinxin08 <wangxinxin08@baidu.com>

* add a new version code of PicoDet

* add implementation of RetinaNet

* * add README.md and model zoo
* rename FOCSFeat -> RetianFeat
* add mstrain model to model zoo
* refactor DeltaBBoxCoder

* update link for model and log

* fix fuse_normalize not working when export model

* fix solov2 by keeping inputs setting before building model

* modify the ch_in&ch_out of the BasicBlock

(cherry picked from commit da568e4741f9a3a440ba1f605b8d12299fe4ed23)

* add the type convertion of the ch_in and ch_out & update gitignore

(cherry picked from commit 5b55097c6dab81dbccc187ba13a92b724ffc7ef5)

* revert the changes of gitignore

(cherry picked from commit ffeb72a8cefca6f416c5483756cc67f26f40522f)

This reverts commit 3e0e3585.

* support different norm_type for different module when convert to sync batch norm

* remove BatchNorm in esnet

* refine sync bn

* fix bugs of batch_norm

* fix bugs while deploying and modify BatchNorm to BatchNorm2D

* param_attr -> weight_attr in BatchNorm2D

* modify BatchNorm to BatchNorm2D