What is the meaning of "x" in loss function L_rec?

GuoShi28 / CBDNet

Code for "Toward Convolutional Blind Denoising of Real Photographs", CVPR 2019

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What is the meaning of "x" in loss function L_rec? #43

Open lkp520 opened 3 years ago

lkp520 commented 3 years ago

Hi Guo Shi In your paper, I read "For a batch of real images, due to the unavailability of ground-truth noise level map, only L_rec and L_TV are considered in training." For real image, we have not clean image, so what is the meaning of "x" in loss function L_rec? Thank you for answer!