From cbe0b2cd26b04680237e40988bc954a0cc3194af Mon Sep 17 00:00:00 2001 From: jh Date: Fri, 23 Apr 2021 20:53:54 -0700 Subject: [PATCH] Adds version check for ssim_multiscale --- core/leras/layers/MsSsim.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/core/leras/layers/MsSsim.py b/core/leras/layers/MsSsim.py index d45a599..03b9a14 100644 --- a/core/leras/layers/MsSsim.py +++ b/core/leras/layers/MsSsim.py @@ -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]) - 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) + 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