* add ema filter no_grad

* update file name and default value

* add ppyoloe semi-det base codes

* fix configs

* fix head distill loss

* add more semi_det configs and fix doc, test=document_fix

* add contrast_loss config, test=document_fix

* fix slice infer one image save_results (#7654)

* Support GradCAM Cascade_rcnn forward bugfix

* code style fix

* BBoxCAM class name fix

* Add gradcam tutorial and demo

---------
Co-authored-by: NFeng Ni <nemonameless@qq.com>

* add ppyoloe plus tiny with aux_head

* fix ppyoloe tiny training

* fix ppyoloe+ tiny p2 model

* add ppyoloe t p2 model

* add ppyoloe architectures

* fix typos, test=document_fix

* add ppyoloe architectures

* fix deploy ppyoloe arch

* add ppyoloe arch coments, test=document_fix

* fix trainer.py load_weights_sde when reid mode is None

* fix trainer.py load_weights_sde

* Add BOTSORTTracker
* pptracking/python/mot/tracker/botsort_tracker.py
* ppdet/modeling/mot/tracker/botsort_tracker.py

fix OCSORTTracker

* * botsort kalman_filter.py float64->float32
* requirements.txt add numba

* [Mot] kalman_filter.py lazy import numba
* add code source and modify comments

* [MOT] fix numba lazy import bug

* [MOT] botsort add README.md

* delete comment code

* add centertrack base codes

* fix deploy and docs

* fix tracker

* fix

* fix pre_img

* fix deploy

* fix

* finish_cotuning

* fix_bug

* add_readme

* finish contrast

* fix save_model epoch_id and rename folder

* fix use_simple_ema and docs

* fix docs, test=document_fix

* add ssod denseteacher fcos codes and refine baseline doc

* fix docs

* fix deploy and ColorJitter float32

* fix docs

* fix docs, test=document_fix

* Support yolov3 dy2st train

* Fix device_num

* Polish apply_to_static

* Modify config txt to support dy2st tipc

* remove duplicate backbone variant, test=document_fix

* fix slice_image deploy infer index

* update PP-Vehicle docs and en docs

* add reid model in v2.5 modelzoo

* update more

* pose3d train

* delete extra comments

* only pose3d parallel eval; delete pose3d config

* fix mistake edit

* add flag skipping postprocess to support edgeboard hardware

* add flag skipping postprocess to support edgeboard hardware

* add flag skipping postprocess to support edgeboard hardware

* add comment for the flag export_eb

* fix slice_infer

* fix doc, test=document_fix

* refactor rbox

* modify the code of save results

* fix some problem

* add .gitignore in dataset/dota

* fix test anno path

* add slice infer for smalldet

* add slice infer for smalldet

* fix slice infer

* fix doc, test=document_fix

* fix eval and configs

* add slice dataset loader

* fix deploy

* fix docs, test=document_fix

* update docs, test=document_fix