how to keep only one class per object (i.e. local NMS per object)

[vhuard]

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• I have searched the Roboflow Notebooks issues and found no similar bug report.

Description

i am using your notebook Automated Dataset Generation with Grounding DINO + Segment Anything Model (SAM)
on google colab
on some simple example from street views, Grounding Dino labels a car both as a "car" and as a "truck" though truck as a lower threshold.
i can play on one image on the box-threshold but i can't if i want to use the approach to do auto labelling on >100s of images.
how can i keep only the max threshold for same bounding boxes?

Additional

No response

Are you willing to submit a PR?

• Yes I'd like to help by submitting a PR!

[github-actions]

👋 Hello @vhuard, thank you for leaving an issue on Roboflow Notebooks.

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[vhuard]

i haven't add custom code.
so just brought in my own pictures

[vhuard]

Can you help me on that?
I am still stuck to keep only the class with higher confidence when groundingdino is providing two identical boxes for two different classes

[SkalskiP]

Hi @vhuard 👋🏻! Sorry, I have been a bit busy lately. Let me convert this issue into a discussion thread and mode it to the Q&A section.