26 lines
797 B
Python
26 lines
797 B
Python
import numpy as np
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from typing import Dict
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class MoCapDataset:
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def __init__(self, dataset_file: str):
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"""
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Dataset class used for loading a dataset of unpaired SMPL parameter annotations
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Args:
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cfg (CfgNode): Model config file.
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dataset_file (str): Path to npz file containing dataset info.
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"""
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data = np.load(dataset_file)
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self.pose = data['body_pose'].astype(np.float32)[:, 3:]
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self.betas = data['betas'].astype(np.float32)
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self.length = len(self.pose)
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def __getitem__(self, idx: int) -> Dict:
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pose = self.pose[idx].copy()
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betas = self.betas[idx].copy()
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item = {'body_pose': pose, 'betas': betas}
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return item
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def __len__(self) -> int:
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return self.length
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