All Questions
Tagged with keras convolutional-neural-network
160
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How can I change my input shape in the architecture for the cnn(transfer learning)?
I have already made a model and trained it, and then saved the model along with its weights. The input shape in that model is [900,300,1] which is [height,width,channel].
I want to use the same model ...
1
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1
answer
91
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why validation accuracy is stuck at 75%?
i am using tensorflow=2.15.0 and keras associated with it I have made a cnn network to identify a total of 2294 images into 10 different classes or, data is divided as 229 images are contained in each ...
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1
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56
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Number of feature extraction layers in CNN
In a course I took about machine learning, we normally used about 2 feature extraction layers for image classification tasks, using MNIST or ...
- 101
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33
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Is it bad to average several MAEs calculated from chunks of a big test dataset?
In my regression problem, I am using Mean Absolute Error (MAE) as a metric for my network. My test dataset is too big to fit in memory, so I am reading the test dataset in chunks and then Keras' ...
- 205
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45
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How do I create an Image Dataset for a CNN?
I'm currently working on assembling a CNN for image classification with tensorflow.keras. I have all my images in a file which I already uploaded to my program. Also I have CSV-Files for training and ...
1
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1
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63
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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 ...
- 111
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59
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How do I implement convolution partially on my dataset?
I'm training a neural network on the results of a CFD simulation (or rather, 300-ish simulations with different initial conditions). The dataset contains the values for temperature, density, velocity, ...
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1
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122
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How to correct ValueError about incompatible dimensions of training data set in locallyconnected1D layer NN
I'm training this simple network with a few points, but it can't train. The model looks okay, but when training it raises a ValueError about the dimension of the training data sets. Could someone help?...
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863
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Keras CNN model is throwing as error message as 'ValueError: Layer 'conv1d_12' expected 2 variables, but received 0 variables during loading'
Hope you're in good health and doing great.
I am trying to implement a CNN model to help predict kidney stones. Now, this model is running as expected on my local machine, but when I try deploying the ...
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2k
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ValueError: Input 0 of layer "model_12" is incompatible with the layer: expected shape=(None, 256, 256, 3), found shape=(256, 256, 3)
I am following this keras example with my own dataset, which has 3 classes. I load the images using
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- 103
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117
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Why is my segmentation model not returning a heat map?
I have implemented two CNN architectures to perform segmentations on medical images: the classic UNet and a modified version called the Attention UNet. I have been training the models on roughly 50,...
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1k
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` TypeError: int() argument must be a string, a bytes-like object or a number ` raised when fitting a multi input Keras model
I'm currently building a U-net model handling multiple input streams of data with Keras/Tensorflow's Functional API. Even though my model compiles, it raises a TypeError when I try to fit it. This ...
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0
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1
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53
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Strange results from CNN in Keras
I have a binary classification problem. I designed a model with convolution kernels in first layers and then dense layers. As the output layer, however, I used a softmax layer with size 2, and then ...
- 43
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1
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274
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Model does not learn when using Keras 'flow_from_directory', but learns fine with 'image_dataset_from_directory'?
When classifying images with Keras, I am able to achieve a validation accuracy around 90-95%, however, I am trying to improve with the use of augmentation so have switched from ...
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27
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Keras Custom Layer Aware of Position in Network
I'm writing a custom Layer in TF/Keras (tf.keras.layers.Layer) for a CNN, and I need each layer to know its own depth in the model.
Is there any way I can do this, ...
- 53