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Concrete segment lists of Panoramic Video Panoptic Segmentation dataset #888

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Nole21 opened this issue Dec 5, 2024 · 6 comments
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@Nole21
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Nole21 commented Dec 5, 2024

I wonder the concrete segment lists of the validation and test set of PVP dataset in v1.4.1, since not all segments in the Waymo Open Data is labeled.

@Nole21
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Nole21 commented Dec 5, 2024

@alexzzhu Can you kindly offer me some clues?

@alexzzhu
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alexzzhu commented Dec 5, 2024

Does the list in tutorial/2d_pvps_training_frames.txt work?

@Nole21
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Nole21 commented Dec 5, 2024

Thank you for your quick reply. I will try later.

@Nole21
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Nole21 commented Dec 5, 2024

Is segmentation sequence in test and validataion longer than that in training set? @alexzzhu

@Nole21
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Nole21 commented Dec 5, 2024

The segmentation in training set is not global as you mentioned in the paper, you divide a whole sequence into 4 five-frame sequences. And I found the instance segmentation id changed in different sub-sequences(even after mapping instance id to global). Can you offer some long-sequence segment lists?
image

@alexzzhu
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alexzzhu commented Dec 5, 2024

Yes this is correct, training is split into five frame sequences as described in the paper. The only longer sequences available are in the validation set.

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