esrgan-tf2 | Enhanced Super-Resolution Generative Adversarial Networks | Computer Vision library
kandi X-RAY | esrgan-tf2 Summary
kandi X-RAY | esrgan-tf2 Summary
:fire: ESRGAN (Enhanced Super-Resolution Generative Adversarial Networks, published in ECCV 2018) implemented in Tensorflow 2.0+. This is an unofficial implementation. :fire:. ESRGAN introduce the Residual-in-Residual Dense Block (RRDB) without batch normalization as the basic network building unit, the idea from relativistic GAN to let the discriminator predict relative realness, and the perceptual loss by using the features before activation. Benefiting from these improvements, the proposed ESRGAN achieves consistently better visual quality with more realistic and natural textures than SRGAN and won the first place in the PIRM2018-SR Challenge. Original Paper: Arxiv ECCV2018. Offical Implementation: PyTorch.
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- Resize a numpy array
- Calculate the indices of the indices
- Calculate the cubic cubic cubic transform
- Load a tfrecord dataset
- Transform images
- Parse a tfrecord
- Extract signle files
- Return list of paths from images
- Calculate the SS similarity between two images
- Compute the SSIM between two images
- Creates a training example
- Layer loss
- Creates a MultiStepLR
- Calculate the PSNR distance between two images
- Create l r r r r r hr and r w r
- Rename all images in the given directory
- Makes an example example
- Load tfrecord dataset
- Set memory growth
- Print progress bar
- Defines the generator loss
- A discriminator loss function
- Convert an RGB image to YCCr
- Generate RRRDB model
- A Content Loss
- A convolutional discriminator
esrgan-tf2 Key Features
esrgan-tf2 Examples and Code Snippets
Community Discussions
Trending Discussions on esrgan-tf2
QUESTION
I'm running a training code using pyhtorch
and numpy
.
This is the plot_example
function:
ANSWER
Answered 2021-Jul-09 at 17:24Make sure image is a tensor in the shape of [batch size, channels, height, width] before entering any Pytorch layers.
Here you have
image=np.asarray(image)
I would remove this numpy conversion and keep it a torch.tensor.
Or if you really want it to be a numpy array, then right before it enters your generator make sure to use torch.from_numpy()
as shown in this documentation on your numpy image before it gets unsqueezed: https://pytorch.org/docs/stable/generated/torch.from_numpy.html
This function is ofcourse an alternative if you don't want to get rid of that original conversion.
Sarthak Jain
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