Add a tensorrt backend#33

Draft

BestDriverCN wants to merge 22 commits intomasterfrom

tensorrt_backend

Commits on Apr 20, 2021

add a base tensorrt backend
Zhao
committed

Commits on Apr 22, 2021

ravel before concatenate to improve performance
Zhao
committed

Commits on Apr 27, 2021

don't resize if the size of image remains the same
Zhao Wang
committed

Commits on Apr 28, 2021

code clean up, add type hint
Zhao Wang
committed
update dependency list
Zhao Wang
committed

Commits on Apr 30, 2021

add support for multi GPU
Zhao Wang
committed
update post processing api
Zhao Wang
committed
add close() fucntion back, was deleted by accident
Zhao Wang
committed

Commits on May 1, 2021

remove process_frame, add type hint for __init__
Zhao Wang
committed
remove cuda and trt context
Zhao Wang
committed
make stride a local variable
Zhao Wang
committed
update type hint for batch_predict
Zhao Wang
committed
formatting
Zhao Wang
committed
formatting
Zhao Wang
committed

Commits on May 3, 2021

rename device_id to device_name
Zhao Wang
committed
_apply_box_norm will return int

BestDriverCN
and
apockill
authored
Merge branch 'tensorrt_backend' of github.com:opencv/open_vision_capsules into tensorrt_backend
Zhao Wang
committed
converting _apply_box_norm's return type
Zhao Wang
committed
refactor parse_detection_results
Zhao Wang
committed

Commits on May 4, 2021

fix import path, fix variable name, simplify code
Zhao Wang
committed
simplify code
Zhao Wang
committed

Commits on May 5, 2021

change log level to INFO, cast score to float
Zhao Wang
committed