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Questions tagged [dl4j]

Deeplearning4j is the first commercial-grade, open-source, distributed deep-learning library written for Java and Scala

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Deeplearning4j is the first commercial-grade, open-source, distributed deep-learning library written for Java and Scala. Integrated with Hadoop and Spark, DL4J is designed to be used in business environments, rather than as a research tool.

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208 questions
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DL4j - Rounded floating points when converting from Java Array to INDArray

Converting from Java array to INDArray causes values to be rounded to nearest approximation Actual behaviour From Java Array - [0.0025249954778701, -0.0046458570286632, 0.0052295182831585, -0.0014667856739834, -0.0044226963073015,…
yer1510
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MultiLayerNetwork saved in DL4J is not loading in Python

I have been working with neural networks in Deeplearning4j and needed to switch it to Python. To use the same model (MultiLayerNetwork in DL4J) I saved it as a .h5 file. Like this: File newFile = new…
art-m
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I need help identifying a problem which causes console debug spam in Anylogic PLE using RL4J on Mac

I am using RL4J in the newest version of Anylogic PLE on a Mac to train a reinforcement learning agent. I created the jar for the RL4J-core Version 1.0.0-beta7 using Maven in IntelliJ and added it to Anylogic. As soon as I execute my model the…
Daniel
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Image to image DataSetIterator using dl4j

I would like to use DeepLearning4j to build and train a U-Net network. To do this I need a dataset iterator that feed the network with an image in input and an other image in output. I am new to DL4j and all the examples I found explain how build…
Mateo Lopez
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How can be series, a bunch of signals, not the single signal input of sequential data be classified by several groups of classification with DL4J?

I have 60 signals sequences samples with length 200 each labeled by 6 label groups, each label is marked with one of 10 values. I'd like to get prediction in each label group on each label when feeding the 200-length or even shorter sample to the…
Eljah
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What are b and W on the parameter ratios update graphs in the dl4j UI Server?

The labels I'm asking about are highlighted on the graph.
Eljah
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Training NNs on GPU with DL4J

Could I train my NNs on GPU with using DL4J and ND4J and system parameters? Windows 7 64bit Nvidia GeForce GT 420M (CUDA computing capability - 2.1)
Yevheniy Tymchishin
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Face recognition with dl4j

I am working on a project for face recognition with photos taken by cameras. I should use a virtual machine with spark and deeplearning4j. The problem is that I didn't find the suitable algorithm and code to use for creating the neural network. What…
afef
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the dl4j web ui wont update or do anything it just says loading in every category

i have started to try to use deeplearning4j just to mess around with it and im doing alright so far i fixed the gendertester but id like to ask how to get the ui to make graphs and update all i can get is text and everything says "loading" the whole…
JRowan
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How to solve the problem that mac conflicts with dl4j?

This is all error code: 19:09:34.464 [main] INFO org.nd4j.linalg.factory.Nd4jBackend - Loaded [CpuBackend] backend # # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00007fff65aa2aa8, pid=2020,…
learner
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How to iterate over indices of a matrix?

In Python when we want to iterate over a matrix with an arbitrary dimension, we can use this line of code: for index in np.ndindex(data.shape[2:]): for example : > for index in np.ndindex(3, 2, 1): > print(index) (0, 0, 0) (0, 1, 0) (1, 0, 0)…
Amir Shamaee
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Deeplearning4j on spark: Is it possible to capture weights for each layer while training neural network

I have been trying to find if there is a way to capture and save(as json) weights of each layer of neural network while training using DL4J(deeplearning4j on spark). Please let me know if someone has any idea.
Santosh Kumar
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DL4J - What is the URL of dataexamples for deep learning 4 J?

Anybody knows where download DataExamples of Deep Learning 4J? Looks like this URL is old. Server returned HTTP response code: 403 for URL: https://deeplearning4jblob.blob.core.windows.net/dl4j-examples/dl4j-examples/DataExamples.zip Thanks!
Juan C
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