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Open ReefAlturki opened this issue 2 years ago • 5 comments

Dear authors,

I am trying to test the model and see the results, and I tried with different backbone networks [resnet18, resnet50, swin-t] but the results I get are different from the ones mentioned in the paper, for example I am getting a low track/MOTP score. I would appreciate your advice regarding this matter and thank you for your time!

Best wishes,

ReefAlturki avatar Apr 14 '24 00:04 ReefAlturki

How can i test the model?

wyhdata97 avatar Jul 16 '24 02:07 wyhdata97

Hi, you just need to load the pre-trained models uploaded by the developers in this link: https://github.com/tteepe/EarlyBird/releases/tag/v1

unzip them and then write the following command: python main.py test -c model_weights/config.yaml
--ckpt model_weights/model-epoch=35-val_loss=6.50.ckpt

Could you please let me know if you get the same or close results to the papers? I am getting very low MOTP and MT scores and still trying to figure out why

Kind regards

ReefAlturki avatar Jul 23 '24 10:07 ReefAlturki

I also get low MOTP and MT scores. Have you found the cause of the problem?

Graysonicc avatar Dec 16 '24 01:12 Graysonicc

Hi @ReefAlturki , @Graysonicc, @wyhdata97 ,

I am also experiencing low MOTP and MT scores when testing the model, similar to what you mentioned. Did you identify the cause of this issue or find a solution?

visionNoob avatar Feb 24 '25 09:02 visionNoob

ahh I think I figured it out.

I've been digging into the low MOTP issue, and I just realized what’s going on. In BEV, MOTP is calculated using Euclidean distance, not IOU.

Normally, higher MOTP = better tracking because it's based on IOU (where 1 is perfect). But in BEV, we use Euclidean distance, and lower is better (closer to GT = better tracking). So MOTP is inverted, making it look artificially low when using Euclidean distance.

we just flip the MOTP value like this:

summary["motp"] = 1 - summary["motp"]

visionNoob avatar Feb 24 '25 09:02 visionNoob