1.0.45 (#313)

* Reworked SAG, removed unnecessary patch
* Reworked anisotropic filters for faster compute.
* Replaced with guided anisotropic filter for less distribution.

modules/anisotropic.py

@@ -126,6 +126,21 @@ def bilateral_blur(
     return _bilateral_blur(input, None, kernel_size, sigma_color, sigma_space, border_type, color_distance_type)
 
 
+def adaptive_anisotropic_filter(x, g=None):
+    if g is None:
+        g = x
+    s, m = torch.std_mean(g, dim=(1, 2, 3), keepdim=True)
+    s = s + 1e-5
+    guidance = (g - m) / s
+    y = _bilateral_blur(x, guidance,
+                        kernel_size=(13, 13),
+                        sigma_color=3.0,
+                        sigma_space=3.0,
+                        border_type='reflect',
+                        color_distance_type='l1')
+    return y
+
+
 def joint_bilateral_blur(
     input: Tensor,
     guidance: Tensor,