Any Idea on the optimal BasicVSR Loss

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Hi,

I am training basicvsr using MMagic with the official file REDS 4X file. I use batch size=12 (the only change to the file), num frame = 15. It seems like the loss stucks at 0.02 and oscillating for a day.

I wonder what would be the target loss for BasicVSR?

Much appreciate for any guideline.