pixelrl's Issues
Regarding Testing Setup
Hi!
This is more general doubt related to the concept and not directly the implementation. Can you please explain how the inferencing works? From the paper it seems that you already have to know the final denoised image (to calculate rewards and to improve iteratively). So how does this work when you are on a test set in which case you don't have access to the actual groundtruths?
Have you used any pre-trained weights for the colour Enhancement part?
If yes, can you provide the link to the same.
How to run in Colab
how can it be run in colab, have issues with cupy
How to run the code in google colab
3 channel image restoration
Very interesting project. I've been recently trying to test it with 3D images, but I didn't have much progress. I believe it has to do with the shape of the output of the Policy network being pout.sample().shape = (batch_size, crop_size, crop_size). I think it should include the 3 channels too, however I don't know how to change the shape of the SoftmaxPolicy layer. Is that the right approach? And, if it is, could you give me a hint on how to proceed?
Image Restoration and Color Enhancement?
Can you publish the code for the Image Restoration and Color Enhancement sections?
Can pixelRL be combined with GAN?
Reward functions used in image denoising
May I ask what is your hand-design reward functions which are used in image denoising problems?
Thanks
Color images?
Trying the test function but all images are in gray, is color not supported?
What is the moved_image used for? Can you explain the function of state.step() a bit more?
What does moved_image = self.image + move[:,np.newaxis,:,:]
mean, which is located in in https://github.com/rfuruta/pixelRL/blob/master/denoise/State.py#L17
Can you explain the function of def step(self, act)
a bit more to make it easier to understand? It is located in
https://github.com/rfuruta/pixelRL/blob/master/denoise/State.py#L13
Why did you augment the test set as well as the training set? And why did that boost the performance of your proposed method?
image compression using PixelRL?
Really interesting project of implementing image processing tasks using DeepRL network.
Can this work be used for efficient pixel-level image compression instead of normal downsizing an image. If yes, can anyone plz help me saying how to achieve that?
Why the FCN needs a pre-trained weight?
I notice that you use chainer.serializers.load_npz('../denoise_with_convGRU/model/pretrained_15.npz', net)
to load a pre-trained FCN weight? Why needs the pre-trained FCN weight?
I currently translate the code into PyTorch version, Can I train the FCN directly without loading pretrained weights?
Thank you!
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