* Update visualization
* Fix a help text mistake
* short function docs
* Fix for iosrt
* Back to master
* Check by pre-commit
* Update dataset_warppers palette
* Custom colors for visualizaton
* Update visualization in image_demo.py
* align palette with panopticapi
* delete palette from checkpoint meta
* Use tuple to represent color
* Update visualization
* Modify image_demo.py
* Check test error
* Check test error
* Fix error for empty case
* Delete redundant functions
* Check visualization
* Add default case
* Fix bug
* Fix bugs
* Add unit tests
* Change coments
* Avoid break using positional arguments.
* Add copyright
* Modify comments
* fix lint
Co-authored-by: Guangchen Lin <347630870@qq.com>