How to train the model using a smaller dataset?

Hi! I am a undergraduate student and first exposure to autonomous driving. I am trying to get bev feature from this dataset, but I don’t have too much gpu ,so it is difficult for me to use the whole v1.0 dataset,but mini is too small to the model , do you have the method to transform the nuscenes whole dataset (v1.0) to a smaller one? Thank you very much!

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Hi! I also want to build a smaller dataset on nuscenes,have you solved the problem?