* given inference model path, download model automatically

* encapsulate auto download model as a function

* given note that default model dir is download link

* change attr model download path to https://bj.bcebos.com/v1/paddledet/models/pipeline/PPLCNet_x1_0_person_attribute_945_infer.zip

* attribute docs update

* fix mtmct

* update docs

* Update action.md

delete the step of change model name of fight recognition

* Update video_action_infer.py

get model path from model_dir without model name

* optimize action vis

test=document_fix

* fix pphuman cfg doc, test=document_fix

* fix doc, test=document_fix

* remove en readme doc, test=document_fix

* add vehicle attr inti pipeline

* fix in no-rgb in predict_video

* add det based action, still in working

* add det_based action

* add id-based class action into pipeline

* remove clsactioninferer

* return history result, optimize visualization for multiple actions

* use history result for det-based action model

* batchinfer for cls&det models

* Scale frames before fight action recognition

* put
short_size = self.cfg["VIDEO_ACTION"]["short_size"]
scale = Scale(short_size)
out of while

* change class name from Scale to ShortSizeScale

* add fight for PP-Human

* add short_size and target_size for fight recognition

* add short_size and target_size for fight_infer

* modify code according to the reviews

* add the wrong deleted lines`

* Update pipeline.py

* Update infer_cfg.yml

* visualize fight when fight action occur

* 乱码修改

* delete useless parmas

* delete useless code str2bool

* add entrance_count draw_center_traj save_mot_txts

* fix pphuman plot_tracking_dict

* fix pphuman plot_tracking_dict

* fix plot tracking dict

* fix pipeline mot plot, add gif

* fix collector append, test=document_fix

* 1. add timer for kpt& action 2. trt support for stgcn

* add parameter description

* make warm_frame configurable

* add keypoint infer and visualize into Pipeline

* add independent action model inference

* add action inference into pipeline, still in working

* test different display frames and normalization methods

* use bbox and scale normalization

* Remove debug info and Optimize code structure

* remove useless visual param

* make action parameters configurable

* add pphuman doc

* add pphuman doc & add enable_attr, enable_action

* update doc

* update pphuman-tech.png

* refine pipeline visualize

* add fps vis

* refine vis when box is empty

* add pedestrian pipeline

* add pipe_timer