Recent questions tagged keras

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keras - TypeError: ('Keyword argument not understood:', 'mode')

Siamese Network def create_base_network_signet(input_shape): '''Base Siamese Network''' seq = Sequential() ... /questions/65829897/typeerror-keyword-argument-not-understood-mode...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - What Happens When LSTM Hidden Layer Size is Greater Than Input Sequence Length?

I have this bidirectional LSTM model defined in Python using Keras. hidden_size = 128 model = Sequential() model. ... -lstm-hidden-layer-size-is-greater-than-input-sequence-length...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - How to add the Count Vectorizer to Simple RNN model?

for my NLP project I used CountVectorizer to Extract Features from a dataset using vectorizer = CountVectorizer(stop_words=' ... how-to-add-the-count-vectorizer-to-simple-rnn-model...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - Validation acccuracy not improving

classifier = tf.keras.models.Sequential() classifier.add(tf.keras.layers.Conv2D(32, (3, 3), ... https://stackoverflow.com/questions/65861658/validation-acccuracy-not-improving...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - Tensorflow MNIST Sequential - ValueError: Input 0 of layer sequential is incompatible with the layer: expected axis -1 of input shape to have

I am trying a simple network on MNIST dataset from Tensorflow. I hit this error and am trying to understand ... -mnist-sequential-valueerror-input-0-of-layer-sequential-is-incompa...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - So many null value features while doing feature extraction using VGG19

I was working on an image recognition problem. After fine-tuned VGG19 and added few layers and trained the ... -many-null-value-features-while-doing-feature-extraction-using-vgg19...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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995 views

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keras - Why models often benefit from reducing the learning rate during training

In Keras official documentation for ReduceLROnPlateau class (https://keras.io/api/callbacks/reduce_lr_on_plateau/) they ... -benefit-from-reducing-the-learning-rate-during-training...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - Neural machine translation - seq2seq encoder-decoder

I am working on seq2seq NMT for french to english translation. In the inference model I am getting ... .com/questions/65879201/neural-machine-translation-seq2seq-encoder-decoder...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - LSTM for Video Input

I am a newbie trying out LSTM. I am basically using LSTM to determine action type (5 different actions) ... from:https://stackoverflow.com/questions/65879627/lstm-for-video-input...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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973 views

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keras - Is there any way to resize an images present in an array of images

i have an image data present in format of (1449,640,480,3) i want to resize my images before giving it to CNN. ... -there-any-way-to-resize-an-images-present-in-an-array-of-images...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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986 views

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keras - CTC alignment for video sequence recognition

Do v need to provide an initial alignment for the inputs during training, in addition to the actual ... .com/questions/65882518/ctc-alignment-for-video-sequence-recognition...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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keras - What is a good approach for an autoencoder on video data?

I built an autoencoder for image data. Following a simplified version: wx = 28 hx = 28 n_channel = 3 latent_dim = ... /what-is-a-good-approach-for-an-autoencoder-on-video-data...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - Despite employing Dropout, MaxPooling, Early Stopping, and Regularizers, my CNN model is still overfitting. How can I further prevent overfitting?

As the title clearly describes the situation I'm experiencing, despite employing Dropout, MaxPooling, EarlyStopping ... -dropout-maxpooling-early-stopping-and-regularizers-my-cnn...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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keras - how do multiply each layer of a tensor with another tensor?

I am trying to multiply each layer of a tensor with the first layer of the tensor. x1 = bert_model_1([x1_in, ... /how-do-multiply-each-layer-of-a-tensor-with-another-tensor...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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keras - Need help getting my observation space in the right shape (OpenAI+Tensorflow)

I'm trying to create a custom open ai gym environment and I'm struggling to understand how to get my ... need-help-getting-my-observation-space-in-the-right-shape-openaitensorflow...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - Tensorflow Neural Network Regression problem

I am very much a beginner to neural networks using python and I have been really enjoying it ... /stackoverflow.com/questions/65921877/tensorflow-neural-network-regression-problem...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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960 views

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keras - Change the importance of a feature in the dataset in NN and RF

I have a Regression problem solved with both Deep Feedforward NN (in keras) and Random Forest (sklearn). The results are ... -importance-of-a-feature-in-the-dataset-in-nn-and-rf...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - How to enable multi-process in Tensorflow 2.x?

I used to familiar with the Dataset class in pytorch, when calling torch.utils.data.DataLoader(), you can set ... questions/65948484/how-to-enable-multi-process-in-tensorflow-2-x...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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keras - Applying mlxtend to KerasClassifier leads to ValueError

I'm applying the SFS from mlxtend to a Keras neural net wrapped as in sklearn api. Currently, I' ... .com/questions/65950224/applying-mlxtend-to-kerasclassifier-leads-to-valueerror...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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keras - Dimension error while using Adaboost for CNN Image Classifier model

When I was using adaboost classifier for image classification, I am getting dimension error in shape of x_train ... -error-while-using-adaboost-for-cnn-image-classifier-model...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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keras - Can we use 1d-CNN for time series once only the first step is available for prediction

I have a dataset of 1000 rows (observations) and 100 columns (features). My features are all time-dependent features ... time-series-once-only-the-first-step-is-available-for-pred...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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keras - Is there a way to "Invert" a Neural Network in Tensorflow?

I'm training a Neural Network that, given some inputs that here we'll call x and y, is able to predict the ... /65938921/is-there-a-way-to-invert-a-neural-network-in-tensorflow...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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keras - Can't save and load a model

I just followed this tutorial of Keras.io https://keras.io/examples/nlp/semantic_similarity_with_bert/ I can run ... .com/questions/65540622/cant-save-and-load-a-model...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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keras - Tensorflow how to structure LSTM model?

for a project I am trying to just make a very simple AI that can predict trends of stocks 1 day in ... //stackoverflow.com/questions/65648097/tensorflow-how-to-structure-lstm-model...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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keras - Proper number of steps_per_epoch when shuffle samples in batches

I am using a generator in my LSTM keras model. In the generator I would like to shuffle samples using shuffle ... /proper-number-of-steps-per-epoch-when-shuffle-samples-in-batches...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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keras - Passing data to RNN with Sliding window approach

I having hard time with LSTM's and RNN so my apologies if this question sounds like a very basic question ... /questions/66050399/passing-data-to-rnn-with-sliding-window-approach...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

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keras - Invalid argument: Saw a non-null label (index >= num_classes - 1) following a null label

Im getting the following error while doing CTC training: InvalidArgumentError: 2 root error(s) found. (0) Invalid argument: ... a-non-null-label-index-num-classes-1-following-a-nu...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

keras - Invalid argument: Saw a non-null label (index >= num_classes - 1) following a null label

Im getting the following error while doing CTC training: InvalidArgumentError: 2 root error(s) found. (0) Invalid argument: ... a-non-null-label-index-num-classes-1-following-a-nu...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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