SMPLX/transfer_model/losses/utils.py

# -*- coding: utf-8 -*-

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# holder of all proprietary rights on this computer program.
# You can only use this computer program if you have closed
# a license agreement with MPG or you get the right to use the computer
# program from someone who is authorized to grant you that right.
# Any use of the computer program without a valid license is prohibited and
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#
# Copyright©2020 Max-Planck-Gesellschaft zur Förderung
# der Wissenschaften e.V. (MPG). acting on behalf of its Max Planck Institute
# for Intelligent Systems. All rights reserved.
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# Contact: Vassilis Choutas, vassilis.choutas@tuebingen.mpg.de

import torch

def get_reduction_method(reduction='mean'):
    if reduction == 'mean':
        return torch.mean
    elif reduction == 'sum':
        return torch.sum
    elif reduction == 'none':
        return lambda x: x
    else:
        raise ValueError('Unknown reduction method: {}'.format(reduction))