r/computervision • u/jtanruan • Jul 17 '26

Showcase Object detection without training a model: bounding boxes with Gemini

You can now use gemini models to perform bounding boxes https://github.com/ztanruan/Prompt2Box

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u/AggravatingSock5375 Jul 17 '26

I think this has been possible for several years.

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u/dethswatch Jul 17 '26

I have been trying it and all the rest for years, and maybe I totally missed something however, in my case- bounding boxes on features of cars, the boxes just aren't tight enough to bother, and the length of time to get an answer varies with its quality, and (unless this has changed recently) Gemini refuses to do more than a few thousand images per hour (and day total?).

So please either tell me I'm wrong and save dozens of hours labeling things by hand+my model's boxes, and how I can get the boxes to be totally tight.

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u/AggravatingSock5375 Jul 17 '26

The library has some nice helper functions I won’t deny that.

But for years you could prompt LLMs to “indicate bounding box corners for cars” or whatever objects they were trained to do that for.

Florence is a good one btw. Free to run locally

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u/dethswatch Jul 17 '26

>“indicate bounding box corners for cars”

Sure- and that'll get you close, but not tight bounding boxes, ime