Comments (3)
No
It depends on the reason you are trying to create the HR-LR pairs. If you just want a dataset for some reason - try using "thin" kernels.
The kernel estimated by the generator is the SR kernel it self.
Try specifying what is your goal. I am not sure KernelGAN is of interest to you
from kernelgan.
Hi Author,
Yes, I am trying to do the SR work. Thus, my goal is to create LR-HR Pairs. In my dateset, the LR is too blurred so that the super-resolved network seems behaving too aggressive. I think the main reason is that the blurred kernel size is 33x33 ( for x4), which will produce a more blurred LR images.
I want to try kernels of different size, (maybe 20 x 20 for x4). For thin kernels, do you mean to reduce the layer of generator or reduce the size of filters?
Best,
TK
from kernelgan.
Again, the KernelGAN will estimate the specific SR kernel. Changing architecture or other things might hurt the results and give undesired artifacts.
If you simply want to creat sharper LR images, you can use the x2 kernel to downscale by 4 but it is physically wrong.
Hope this helps
from kernelgan.
Related Issues (20)
- X4 kernel specs in DIV2KRK HOT 1
- It seems like a bug?
- UnknownError: Failed to get convolution algorithm. This is probably because cuDNN failed to initialize HOT 5
- RuntimeError: cuDNN error: CUDNN_STATUS_BAD_PARAM HOT 2
- network parameter asking HOT 6
- Why do you swap axis? HOT 2
- why not directly save the params of Generator for downscaling? why not non-linear? HOT 3
- Question about the DownScaleLoss HOT 1
- About DIV2KRK HOT 1
- about Generator and Discriminator output size HOT 5
- Questions about generator networks HOT 2
- How do you generate such an image? HOT 8
- How do you visualize the ".mat" files HOT 3
- There was a problem with training in another data set HOT 1
- How to gain the PSNR and SSIM HOT 2
- What's the meaning of "input-dir" and "input_img_path"
- Is your training data set the same as your test set HOT 2
- Why there needs flip orperation when calculate the kernel ? HOT 1
- No file .mat HOT 1
- ValueError: shapes (512,512,1) and (3,) not aligned: 1 (dim 2) != 3 (dim 0) HOT 2
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from kernelgan.