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4 votes
2 answers
2k views

how to calculate quadratic features in computer vision Neural Network

I am recently watching some tutorials for deep learning from Dr Andrew Ng on Youtube. Link is hereThe Youtube video There is a concept of number of features in convolutional neural network in ...
21 votes
2 answers
39k views

In CNN, why do we increase the number of filters in deeper Convolution layers for complex images?

I have been doing this online course Introduction to TensorFlow for AI, ML and DL. Here in one part, they were showing a CNN model for classifying human and horses. In this model, the first ...
1 vote
1 answer
73 views

How to align the description of a convolutional neural network in keras with wikipedia's conceptual model?

I was going through the introductory guide to convolutional neural networks in tensor flow here And I was trying to logically map some of the code I saw to my actual understanding of how convolutional ...
1 vote
0 answers
37 views

How to make sense of the input and output for a speech-generation model like WaveNet?

I am currently studying this model speech generation known as WaveNet model by Google. https://arxiv.org/pdf/1609.03499.pdf using the linked original paper and this implementation. I find the model ...
0 votes
1 answer
2k views

Resize instead of transposed convolutions

I'm trying to build a decoder version of ResNet, i.e. one that goes from the prelogits layer and attempts to recreate the image. I can get it working by using transposed convolutions, but the quality ...
0 votes
1 answer
1k views

Can anyone recommend me a very good pre-trained model for face or head detection?

I really need to know the best pre-trained models to detect faces and/or peoples' head. Not a face recognition model, but only to classify whether an object is a person's head/face or not. I'm ...
1 vote
0 answers
169 views

What does it mean to say convolution implementation is based on GEMM (matrix multiply) or it is based on 1x1 kernels?

I have been trying to understand (but miserably failing) how convolutions on images (with height, width, channels) are implemented in software. I've heard people say their convolution implementation ...
0 votes
2 answers
6k views

Convolutional neural network with 1 channel images/1 input channel

I'm following a tutorial on tensorflow using a convolutional neural network for images, but I'm looking to do it with grayscale images. How would the code posted there be different if it was for ...
4 votes
2 answers
9k views

how can I solve label shape problem in tensorflow when using one-hot encoding?

I used tensorflow to recognize text from natural images by using convolutional neural network; there is no specific number of characters in the text. To make a successful training I should convert the ...
2 votes
1 answer
1k views

Anyone have fruit disease dataset? [closed]

I am doing a project on fruit disease recognition and classification. Anyone have an existing dataset of fruit diseases? Can you help me to find one?
4 votes
2 answers
1k views

Tensorflow (or Keras) vs. Pytorch vs. some other ML library for implementing a CNN [closed]

I am looking into implementing a convolutional neural network for a research problem. I've heard of deep learning libraries like Pytorch and Tensorflow and was hoping to get some additional ...
2 votes
1 answer
4k views

TensorFlow: trainable_variables() is empty

I want to retrieve the list of trainable variables/weights in my model (wrapped in a tf.Estimator). However, ...
3 votes
1 answer
448 views

How to implement a convolutional autoencoder?

I would like to implement a convolutional autoencoder in Tensorflow, but it is not clear how the decoder part should work. Each layer of the encoding, is a convolutional layer with activation ...
1 vote
0 answers
2k views

How do I fix the misshape in a CNN?

I wrote a simple CNN with a maxpool, a dense layer and a drop layer. Unfortunately there is two messages why it doesn't work. In a normal session codes complaines about a misshape between y_conv and ...
-1 votes
1 answer
5k views

how can I used tf.argmax in multi-dimensions tensor?

I want to know who can I use the tf.argmax in multi-dimension tensor in the Tensorflow using convolution neural network. bellow is simple example to explain what I want exactly:: 1-D tensor example::...