Merge pull request #106 from ethanweber/tancik/bug_fixes

RAdam + background color fix

configs/graph/default_graph.yaml

@@ -24,7 +24,7 @@ network:
 param_groups:
   fields:
     optimizer:
-      _target_: torch.optim.Adam
+      _target_: torch.optim.RAdam
       lr: 0.0005
     scheduler:
       _target_: mattport.nerf.optimizers.ExponentialDecaySchedule

mattport/nerf/renderers.py

@@ -60,7 +60,7 @@ class RGBRenderer(nn.Module):
             TensorType[..., 3]: Outputs of rgb values.
         """
 
-        rgb = self.combine_rgb(rgb, weights)
+        rgb = self.combine_rgb(rgb, weights, background_color=self.background_color)
         if not self.training:
             torch.clamp_(rgb, min=0.0, max=1.0)
         return rgb