Recent questions tagged neural

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neural network - Tensorflow - No gradients provided for any variable

I am experimenting some code on Jupyter and keep getting stuck here. Things work actually fine if I remove ... (minibatch_cost) my_sess.close() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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neural network - How to programmatically generate deploy.txt for caffe in python

I have written python code to programmatically generate a convolutional neural network (CNN) for training and validation ... me to a reference. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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neural network - Caffe: how to get the phase of a Python layer?

I created a "Python" layer "myLayer" in caffe, and use it in the net train_val.prototxt I insert the ... ll udpdate if anything pops there. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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neural network - Share weights between two dense layers in keras

I have a code as follows. What I want to do is to share the same weights in two dense layers. The ... , outputs=predictions) Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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neural network - R: Error in nrow[w] * ncol[w] : non-numeric argument to binary operator, while using neuralnet package

I am using neuralnet package for training a classifier. The training data looks like this: > head(train_data) mvar_12 ... how can I fix it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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neural network - PyTorch: How to convert pretrained FC layers in a CNN to Conv layers

I want to convert a pre-trained CNN (like VGG-16) to a fully convolutional network in Pytorch. How can I do so? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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neural network - Getting the output shape of deconvolution layer using tf.nn.conv2d_transpose in tensorflow

According to this paper, the output shape is N + H - 1, N is input height or width, H is kernel ... How does deconvolution works in Tensorflow? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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589 views

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neural network - tensorflow store training data on GPU memory

I am pretty new to tensorflow. I used to use theano for deep learning development. I notice a difference between ... in some magic way? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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neural network - Using Dropout in Pytorch: nn.Dropout vs. F.dropout

By using pyTorch there is two ways to dropout torch.nn.Dropout and torch.nn.functional.Dropout. I struggle to ... when I switched them around. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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532 views

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neural network - Fast sigmoid algorithm

The sigmoid function is defined as I found that using the C built-in function exp() to calculate the value of f ... calculate the value of f(x)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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591 views

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neural network - What is num_units in tensorflow BasicLSTMCell?

In MNIST LSTM examples, I don't understand what "hidden layer" means. Is it the imaginary-layer formed when you ... = 128 in most cases ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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540 views

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neural network - caffe with multi-label images

I have a dataset of images that have multiple labels; There are 100 classes in the dataset, and each image has ... process of setting up Caffe? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

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neural network - Using SparseTensor as a trainable variable?

I'm trying to use SparseTensor to represent weight variables in a fully-connected layer. However, it seems that ... as training steps go. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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539 views

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neural network - Tensorflow: Cannot interpret feed_dict key as Tensor

I am trying to build a neural network model with one hidden layer (1024 nodes). The hidden layer is ... (test_prediction.eval(), test_labels)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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562 views

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neural network - Initializing LSTM hidden state Tensorflow/Keras

Can someone explain how can I initialize hidden state of LSTM in tensorflow? I am trying to build LSTM ... semi-supervised-sequence-learning.pdf See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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432 views

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neural network - Building custom Caffe layer in python

After parsing many links regarding building Caffe layers in Python i still have difficulties in understanding few concepts ... for help here. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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376 views

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neural network - What does the parameter retain_graph mean in the Variable's backward() method?

I'm going through the neural transfer pytorch tutorial and am confused about the use of retain_variable(deprecated, now ... why do we need it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

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neural network - Multiple category classification in Caffe

I thought we might be able to compile a Caffeinated description of some methods of performing multiple category ... m trying to ask. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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352 views

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neural network - Is gradient in the tensorflow's graph calculated incorrectly?

A very simple example in tensorflow: min (x + 1)^2 where x is a scalar. The code is: import tensorflow as ... a bug? Can anyone explain it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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520 views

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neural network - How to count total number of trainable parameters in a tensorflow model?

Is there a function call or another way to count the total number of parameters in a tensorflow model? By ... variables in a tensorflow session. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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413 views

1 answer

neural network - What is the purpose of the add_loss function in Keras?

Currently I stumbled across variational autoencoders and tried to make them work on MNIST using keras. I found a ... give me more insight? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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447 views

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neural network - scale the loss value according to "badness" in caffe

I want to scale the loss value of each image based on how close/far is the "current prediction" to the " ... someone can give me some pointers. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

1 answer

neural network - Pytorch, what are the gradient arguments

I am reading through the documentation of PyTorch and found an example where they write gradients = torch.FloatTensor([ ... very clear on that. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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neural network - caffe data layer example step by step

I want to find a caffe python data layer example to learn. I know that Fast-RCNN has a python data ... "ImageDataLayer". Thank you very much See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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690 views

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neural network - LSTM module for Caffe

Does anyone know if there exists a nice LSTM module for Caffe? I found one from a github account by ... no examples or explanations anymore). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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