2020欧洲杯时间表

Questions tagged [neural-network]

Network structure inspired by simplified models of biological neurons (brain cells). Neural networks are trained to "learn" by supervised and unsupervised techniques, and can be used to solve optimization problems, approximation problems, classify patterns, and combinations thereof.

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11 views

How tow make a very simple 1 vector input to 1 vector output keras neural network?

I try to build a network which simply takes a vector as an input, and then returns one with the same shape and size. I want to input data like this for training: [1,2,3] -> [4,5,6] x -> y ...
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8 views

What would happen if the connection between the input layer and first hidden layer is not dense?

What would happen if we do not connect some nodes of the hidden layer to input vector?
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7 views

Is there a way to add a Neural Style Transfer model on a Flutter app using tf-lite

I was creating an app similar to prisma using Flutter and wanted to add a Neural Style Transfer model to it. I know that we can easily add object detection and other pretrained models on Flutter using ...
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cannot import name 'DISTILBERT_PRETRAINED_MODEL_ARCHIVE_MAP' from 'transformers.modeling_distilbert'

I am trying to train the distil BERT model for Question Answering purpose. I have installed simple transformers and everything but when I try to run the following command: model = ...
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24 views

How to perform a gradient descent step in tensorflow?

I'm quite new to pyhton and tensorflow and I was wondering how to perform a gradient descent step.I wrote down this code: def neuralNetwork(layers,num_input,loss_function, learning_rate): ...
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20 views

DeepExplainer with Shap ValueError: Layer sequential_1 was called with an input that isn't a symbolic tensor

I've tried to get features importances for a classical neural network using Keras with the Shap library but I have the following error : ValueError: Layer sequential_1 was called with an input that ...
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5 views

Hashing error in user input based tensorflow implementation of Neural Network for image classification

I have written a code for user input based neural network architecture development for an image classification problem. I have used basic tensorflow (version<2) for this. I am facing an error in ...
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30 views

I am Working on CNN Classification Model and need more clarity on results to be consistent [closed]

After training for 15 epochs, the details are as follows. I could Infer that the accuracy is not consistent. I would like to know if the results are accurate or should I do any changes to get ...
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15 views

How can i find gradient input?

How can i find log likilihood layer if i have: a-log probabilities, y-one-hot representation of ground truth. a = [[-5.8971105e+00 -1.3536860e-01 -2.3225722e+00 -3.6559267e+00] [-7.1035299e+00 -7....
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TensorFlow Keras: Bad metrics and no improvement on classification. Am I missing something?

First of all, I'm relatively new to machine learning and neural networks. I'm currently trying to build a neural network that can perform predictions over a heart diseases dataset. Here's what a ...
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7 views

How can i put my own data in test_data section of MNIST dataset in neural network

I have a neural network that recognizes numbers (http://github.com/MichalDanielDobrzanski/DeepLearningPython35). Network learns and tests from MNIST dataset. There is a scrypt that loads data from ...
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I am training TensorFlow 2.0 for a multiple linear regression problem but my loss are huge and accuracy is zero

Anything wrong with my code? I'm guessing I missed something //MODEL #Outline, loss function, optimizer, early stopping and training input_size = 19 hidden_layer_size = 50 output_size = 1 ...
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19 views

Multi-label classification or multi class classification or sequence labelling problem?

I have some images which look like this one: They exist of 4 possible characters (A-D) and a length of 4. Now, I would like to run a neural network, which recognizes each character in the picture. ...
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10 views

Strange behavior of my ANN: mean_absolute_percentage_error goes over the top

I have encountered a strange behavior of my ANN: mean_absolute_percentage_error goes over the top during it's training and validation, but it's predictions are looking ok. I am trying to predict the ...
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13 views

How to extract output of torch model in c++?

I have got trained keras model and converted it using mmdnn. Then I try use it in c++ code: #include <iostream> #include <opencv2/core/core.hpp> #include <opencv2/highgui/highgui.hpp&...

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