Hi @wdhorton
Great model!
I’ve tried to address the same competition, but even using transfer learning on Y channel too, the model seems to overfit without reaching your score…
Comparing the two models it seems that you’re using a model way more complex than resnet50: it seems to mix two copies of resnet50 one with first convolution with 3-channel images and one with 4-channels images as input. Why do you do that?
Here is my work: