looking for source code of from gen_nn_ops in tensorflow

You can’t find this source because the source is automatically generated by bazel. If you build from source, you’ll see this file inside bazel-genfiles. It’s also present in your local distribution which you can find using inspect module. The file contains automatically generated Python wrappers to underlying C++ implementations, so it basically consists of a … Read more

What is the difference between UpSampling2D and Conv2DTranspose functions in keras?

UpSampling2D is just a simple scaling up of the image by using nearest neighbour or bilinear upsampling, so nothing smart. Advantage is it’s cheap. Conv2DTranspose is a convolution operation whose kernel is learnt (just like normal conv2d operation) while training your model. Using Conv2DTranspose will also upsample its input but the key difference is the … Read more

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