W3A2 Sudden Drop in Accuracy for U-Net

[Nevermnd]

@K-Aditya25

I ran into this issue/phenomenon too-- You might wish to reference this post, there is quite a bit of discussion about it there:

C4W3 - UNet Assignment - Insight needed (accuracy crash !)

Hi, So some insight needed here. I was able to complete the assignment, 100%. However, just before wrapping up, even Prof. Ng in the notebook suggests you get ‘amazing’ results at 40 epochs-- So I figured: Let’s try it ! Let’s see what it looks like ! And everything was running fine and dandy with accuracy rates > 97%… Until the last epoch, 40, when suddenly accuracy completely falls off a cliff (~43%). Anyone have any idea what is happening here ?!? [UNet1] [UNet2] [UNet4.PNG]