* 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

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

* add ssod denseteacher fcos codes and refine baseline doc

* fix docs

* fix deploy and ColorJitter float32

* fix docs

* fix docs, test=document_fix

* pose3d train

* delete extra comments

* only pose3d parallel eval; delete pose3d config

* fix mistake edit

* compat dev & release

* fix ops import

* refactor rbox

* modify the code of save results

* fix some problem

* add .gitignore in dataset/dota

* fix test anno path

* clean fluid

* mv static to legacy

* remove yolo box

* revert legacy dir

* revert static link

* update in_dynamic_mode

* clean iou_similarity, collect_fpn_proposals, bipartite_match

* polish args

* fix import bugs

* [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>

* fix checkpoint log when weight not loaded

* fix loading pretrain weight in mask rcnn

* discard unmatch id instead of remove

* add python train time eval

* add mpii infer support

Besides removing unnecessary imports, this also fixes the missing logger module in test_architectures.py within the static directory.

* merge upstream

* clean code

* add batch_size in keypoint_detector

* support --eval for s2anet

* add spine dataset and config yml for s2anet

* add doc for s2anet

* update doc

* fix typo, test=document_fix

* add some comments, and update import