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How are the samples of ShapeNetCore v2 transformed w.r.t. the ones of v1?

+1 vote
Hello,

I would like to ask what are the transformation used to align the data samples coming from v1 and v2? As explained in the README, the v2 samples are rotated by 90 degrees around y-axis, but visualization of the corresponding samples from v1 and v2 reveals that there is also a translation and scale applied to some of the samples. Even though each sample from v2 comes with a model_normalized.json file, it is not clear how to interpret the values stored in these files, since all the "min", "max" and "centroid" values are too huge and represent 3D points lying way out of the 3D models of either v1 or v2. Could you please point me to where I can find the transformations applied to the samples from v2 so that it would be possible to align them with v1?

Thank you

Jan
asked Oct 20, 2020 by janbednarik (130 points)

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