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Adds version check for ssim_multiscale

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jh 2021-04-23 20:53:54 -07:00
commit cbe0b2cd26
1 changed files with 5 additions and 1 deletions
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core/leras/layers/MsSsim.py
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@ -21,7 +21,11 @@ class MsSsim(nn.LayerBase):
y_true_t = tf.transpose(tf.cast(y_true, tf.float32), [0, 2, 3, 1])
y_pred_t = tf.transpose(tf.cast(y_pred, tf.float32), [0, 2, 3, 1])
if tf.__version__ >= "1.14":
ms_ssim_val = tf.image.ssim_multiscale(y_true_t, y_pred_t, max_val, power_factors=self.power_factors, filter_size=self.kernel_size)
else:
ms_ssim_val = tf.image.ssim_multiscale(y_true_t, y_pred_t, max_val, power_factors=self.power_factors)
# ssim_multiscale returns values in range [0, 1] (where 1 is completely identical)
# subtract from 1 to get loss
return 1.0 - ms_ssim_val