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linxuewu avatar linxuewu commented on September 4, 2024

You can use the mmdet3d data converter script to generate the pkl files.
The x/y/z in the anchor file is obtained by clustering the center point of the gt box of the nuscenes train dataset, and the other h/w/l/yaw/velo are set to a fixed value.
In addition, we provide ready-made data pkl files and anchor npy file that can be used, see https://github.com/linxuewu/Sparse4D/releases/tag/v0.0.

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linxuewu avatar linxuewu commented on September 4, 2024

You can use sklearn.cluster.KMeans in the python to cluster and generate anchor.npy.

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