Recent questions tagged tensorflow

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tensorflow - How to stack multiple lstm in keras?

I am using deep learning library keras and trying to stack multiple LSTM with no luck. Below is my code ... running keras on tensorflow backend See Question&Answers more detail:os...

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

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tensorflow - Could not install packages due to an EnvironmentError: [WinError 5] Access is denied:

I have windows 10. I have completed installing Tensorflow. It works. It says "Hello Tensorflow!". But it has all ... . But I code for fun. See Question&Answers more detail:os...

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

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tensorflow - Model is not learning

I am trying to train a Tensor-flow js model on images coming in from my web cam. Basically I'm trying ... the predictions are way off (random) See Question&Answers more detail:os...

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

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tensorflow - Save keras model as .h5

I want to save my trained keras model as .h5 file. Should be straight forward. Short example: #%% import tensorflow as ... to have it as .h5. See Question&Answers more detail:os...

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

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tensorflow - LSTM 'recurrent_dropout' with 'relu' yields NaNs

Any non-zero recurrent_dropout yields NaN losses and weights; latter are either 0 or NaN. Happens for stacked ... from tensorflow.keras imports. See Question&Answers more detail:os...

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

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tensorflow - Google Storage (gs) wrapper file input/out for Cloud ML?

Google recently announced the Clould ML, https://cloud.google.com/ml/ and it's very useful. ... requrements significant code modifcation. See Question&Answers more detail:os...

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

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tensorflow - Keras Loss Function with Additional Dynamic Parameter

I'm working on implementing prioritized experience replay for a deep-q network, and part of the specification is ... . Any help is appreciated. See Question&Answers more detail:os...

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

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tensorflow - Getting the current learning rate from a tf.train.AdamOptimizer

I'd like print out the learning rate for each training step of my nn. I know that Adam has an ... this (for visualization in tensorboard) See Question&Answers more detail:os...

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

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tensorflow - How to display custom images in TensorBoard using Keras?

I'm working on a segmentation problem in Keras and I want to display segmentation results at the end of every ... that with Keras + TensorFlow? See Question&Answers more detail:os...

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

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tensorflow - How do display different runs in TensorBoard?

TensorBoard seems to have a feature to display multiple different runs and toggle them. How can I make multiple ... them to differentiate them? See Question&Answers more detail:os...

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

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tensorflow - In Keras, what exactly am I configuring when I create a stateful `LSTM` layer with N `units`?

The first arguments in a normal Dense layer is also units, and is the number of neurons/nodes in that layer. A ... the next layer. Am I right? See Question&Answers more detail:os...

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

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tensorflow - Parallelism isn't reducing the time in dataset map

TF Map function supports parallel calls. I'm seeing no improvements passing num_parallel_calls to map. With ... doing it wrong? See Question&Answers more detail:os...

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

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tensorflow - Checkpointing keras model: TypeError: can't pickle _thread.lock objects

It seems like the error has occurred in the past in different contexts here, but I'm not dumping the model ... can't pickle _thread.lock objects See Question&Answers more detail:os...

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

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665 views

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tensorflow - Debugging nans in the backward pass

I'm trying to debug a somewhat complicated and non-canonical NN architecture. Computing the forward pass is fine ... I'm using it incorrectly. See Question&Answers more detail:os...

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

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1.1k views

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tensorflow - tf.data with multiple inputs / outputs in Keras

For the application, such as pair text similarity, the input data is similar to: pair_1, pair_2. In these ... // _BATCH_SIZE, verbose=1) See Question&Answers more detail:os...

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

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tensorflow - ImportError: libcublas.so.10.0: cannot open shared object file: No such file or directory

I have installed Cuda 10.1 and cudnn on Ubuntu 18.04 and it seems to be installed properly as type nvcc and ... How can I resolve this? Thanks See Question&Answers more detail:os...

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

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tensorflow - parallelising tf.data.Dataset.from_generator

I have a non trivial input pipeline that from_generator is perfect for... dataset = tf.data.Dataset.from_generator ... examples I could follow? See Question&Answers more detail:os...

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

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755 views

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tensorflow - Specify connections in NN (in keras)

I am using keras and tensorflow 1.4. I want to explicitly specify which neurons are connected between two ... but somehow 'ugly' solution) See Question&Answers more detail:os...

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

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630 views

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tensorflow - Multivariate LSTM with missing values

I am working on a Time Series Forecasting problem using LSTM. The input contains several features, so I am ... am using Tensorflow and Keras. See Question&Answers more detail:os...

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

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703 views

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tensorflow - Confused by the behavior of `tf.cond`

I need a conditional control flow in my graph. If pred is True, the graph should call an op that updates a ... And how to solve this problem? See Question&Answers more detail:os...

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

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538 views

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tensorflow - Understanding TensorBoard (weight) histograms

It is really straightforward to see and understand the scalar values in TensorBoard. However, it's not clear ... =learning_rate).minimize(loss) See Question&Answers more detail:os...

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

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1.0k views

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tensorflow - Using Gensim Fasttext model with LSTM nn in keras

I have trained fasttext model with Gensim over the corpus of very short sentences (up to 10 words). I know that ... do it well. Any idea? See Question&Answers more detail:os...

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

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1.2k views

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tensorflow - How to convert .pb to TFLite format?

I downloaded a retrained_graph.pb and retrained_labels.txt file of a model I trained in Azure cognitive service ... lite-a-tutorial-85b41f53230c See Question&Answers more detail:os...

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

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tensorflow - Holding variables constant during optimizer

I have a TensorFlow computational graph for a loss tensor L that depends on 2 tf.Variables, A and B. I'd like to ... A fixed. How do I do this? See Question&Answers more detail:os...

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

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612 views

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tensorflow on GPU: no known devices, despite cuda's deviceQuery returning a "PASS" result

Note : this question was initially asked on github, but it was asked to be here instead I'm having trouble ... problem with tensorflow as well? See Question&Answers more detail:os...

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

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764 views

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tensorflow - CRNN get accuracy from keras.backend.ctc_decode

I have a CRNN fitted model with CTC loss output. I have the prediction and I use keras.backend.ctc_decode to decode it. ... the training part, the final CTC loss was around 0.1...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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