how to remove bounding boxes and different colors for classes!

[miladfa7]

I had two questions, thank you for answering ....
Q1.
My problem is two classes. I used the cvat.org tool for labeling(COCO format). In these tools, each class has a separate color. Green healthy stone and red broken stone. ‌But It has different colors when I do visualization or experiment with the detectron2 model. If only 2 colors are expected in the output.

detectron2 output and visualization:

This is wrong should only show two colors(healthy and broken class). What is your solution?

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Q2
In the output of the model, how can I delete the bounding box and it is only segmentation?
Because there is both boxing and segmentation!