42,154 questions
1
vote
2
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99
views
getting a tensor of shape (32,) instead of a single value as a label
when i try to print/plt.tile the label of an image, its printing the tensor(32,) instead of a single label value. When i tried to print before the resizing, it was printing fine.
Code:
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- 51
1
vote
0
answers
32
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what is the purpose of training=True argument? Is it an argument of keras.sequential() or not? [duplicate]
What is the purpose of training=True argument in the last line. I called help(tf.keras.Sequential) but could not find anything related to it. Also is it the argument of tf.keras.Sequential() or not
...
- 51
1
vote
1
answer
39
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TensorFlow Custom Training Loop with Mixed Precision Causing NaN Loss After Epoch 15
I am implementing a custom training loop in TensorFlow 2.18 with mixed precision (float16) for a large vision transformer model. The training runs fine for about 15 epochs, but then the loss suddenly ...
- 13
1
vote
0
answers
150
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Training a 3D medical Image Segmentation is So Slow on NVIDIA Quadro RTX 8000 [closed]
I am training Swin-Unetr model on a 3D segementation dataset with patches of size (96,96,96,4) (depth,height,width,channels). My machine specs is as follows:
RAM Size: 128 GB
GPU: NVIDIA Quadro RTX ...
- 103
0
votes
0
answers
75
views
Tensorboard doesn't show weights for each layer
I'm trying to use tensorboard to monitor weights and bias of a two inputs neural network, composed by two independent submodels. I'm using keras==3.11.3 with tensorboard==2.20.0 and this is callback I'...
- 107
2
votes
0
answers
54
views
Write_grads no more present on latest version of Keras
I'm having some issues with the training of a convolutional neural network, as the loss initially decreases but suddenly it becames nan. I guess the problem could be related to some exploding/...
- 107
1
vote
1
answer
38
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Do I need .repeat() or steps_per_epoch when training on a finite TFRecord dataset in Keras?
I’m following this tutorial on 3D brain tumor segmentation using MedicAI and Keras
In the tutorial:
dataset = dataset.batch(batch_size).prefetch(tf.data.AUTOTUNE)
The author does not use .repeat(...
- 103
1
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0
answers
43
views
Can I convert .keras model to .h5 so that tensorflow 2.10 can use it for prediction?
I trained a keras sequential model while working in colab. Now I shifted to a PC with Windows 11. jupyter notebook with Tensorflow 2.10 is unable to read that model. it needs a model in the old .h5 ...
- 11
0
votes
2
answers
46
views
Tensorflow gradient returns None
I am being implementing a custom layer that returns both the transformed output and an auxiliary loss term. The forward pass works fine, but when I try to compute gradients, I get None for the main ...
- 3
1
vote
0
answers
100
views
Unable to load an hdf5 model file in TensorFlow / Keras
I was given an hdf5 model file that was build with tensorflow / keras. Training data is no more available.
Note: all Python code snippets shown hereunder are run against Python 3.9.23 inside a ...
- 8,371
0
votes
1
answer
97
views
ValueError: Only instances of keras.Layer can be added to a Sequential model when using TensorFlow Hub KerasLayer
I’m trying to build a Keras Sequential model using a feature extractor from TensorFlow Hub, but I’m running into this error:
ValueError: Only instances of `keras.Layer` can be added to a Sequential ...
2
votes
1
answer
113
views
Keras Model throwing Error while integrating with frontend
I trained a model on Colab for my final year project EfficientNetB0. After all the layer training, I tested it and its result was excellent, but now I want to integrate the model to the frontend web ...
3
votes
0
answers
73
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Multimodel for image captioning with CNN and LSTM over flickr30k does not learn. How to fuse image features and word embeddings?
I'm working on an image captioning project using a simple CNN + LSTM architecture, as required by the course I'm studying. The full code is available here on GitHub (note: some parts are memory-...
1
vote
1
answer
63
views
Mask image in tensorflow
Can I use keras.Layers to build custom layer to mask to whole dataset and return masked dataset. That is
class AttnMask(Layer):
def __init__(self, img_size, attention_map):
super()....
- 23
0
votes
0
answers
76
views
How to load a model while ignoring unbuilt head layers? (`expected 2 variables, received 0`)
I’m loading a costume ViT backbone saved via MLflow’s TensorFlow flavor (Keras 3). The artifact includes backbone parts I want (patch_embed, encoder) a couple of layers in the encoder were saved in a ...
- 2,790