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-1 votes
1 answer
53 views

Why do we need to pre-process image datasets?

Refer to this Complete guide on How to use Autoencoders in Python Notice the author add: x_train = x_train.astype('float32') / 255. x_test = x_test.astype('float32') / 255. x_train = x_train.reshape((...
SOS's user avatar
  • 549
0 votes
1 answer
675 views

Value error after fitting my custom model

I am creating an encoder on the fashion MNIST dataset. The encoder consists of three layers, Each input image is flattened into a dimensionality of 784. The three encoder layers are with output ...
coding_ninza's user avatar
0 votes
1 answer
497 views

MNIST Autoencoder: ValueError: total size of new array must be unchanged, input_shape = [748], output_shape = [28, 28]

I'm trying to build a mnist autoencoder to learn how to work with reshaping and encoding. The following error is thrown when i run the code: ValueError: total size of new array must be unchanged, ...
backster's user avatar
2 votes
1 answer
3k views

Fine tuning deep autoencoder model for mnist

I have developed a 3 layer deep autoencoder model for the mnist dataset as I am just practicing on this toy dataset as I am beginner in this fine-tuning paradigm Following is the code from keras ...
Edison's user avatar
  • 4,321
0 votes
1 answer
148 views

autoencoder with tensorflow

I try to implement Stacked autoencoder with tensorflow. I used the mnist data set and try do reduce the dimension from 784 to 2. I already did it with keras, and its result was good(train error was ...
Gwan's user avatar
  • 31
0 votes
1 answer
284 views

Simple keras autoencoder with MNIST sample data not working

I'm trying to implement a simple keras autoencoder in R using the MNIST sample dataset. I got my example from a blog but it doesn't work. I get almost a 0 % accuracy. The objective is to compress ...
animalcroc's user avatar