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请问vae_keras_celeba.py的recon_loss #10

@nadong1

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@nadong1

请问vae_keras_celeba.py中,
recon_loss = 0.5 * K.sum(K.mean(x_out**2, 0)) + 0.5 * np.log(2*np.pi) * np.prod(K.int_shape(x_out)[1:])

为何recon_loss要加上0.5 * np.log(2*np.pi) * np.prod(K.int_shape(x_out)[1:])?
那一项不是常数吗? 对训练有作用吗?

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