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Questions tagged [deeplearning4j]

Deeplearning4j is 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.

Deeplearning4j is a deep learning programming library written for Java and the Java virtual machine (JVM) and a computing framework with wide support for deep learning algorithms (such as Boltzmann machine, deep belief net, deep autoencoder, stacked denoising autoencoder and recursive neural tensor network, word2vec, doc2vec, and GloVe).

These algorithms all include distributed parallel versions that integrate with Apache Hadoop and Apache Spark.

For more information: deeplearning4j site, source code, support forum

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413 questions
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TinyYolo Deeplearning4j

I am using TinyYolo with deeplearning4j having read through this tutorial http://emaraic.com/blog/yolo-custom-object-detector but I am not quite sure whether I need more configuration to handle 720p images as the images in this example are 416x416.…
thekevshow
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cannot find symbol AudioSynthesizer deeplearning4j examples

I've downloaded the deeplearning4j examples as descriped in the quickstart guide using git and maven. When I try to start an example with IntelliJ there comes up an Error. I tried to add some more dependencys in my pom.xml but dont find the right…
user5497819
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What is the effect of performing a less-than comparison between a matrix (2D array) and a value in Python?

I don't understand why I got a matrix of bool values when setting a matrix < a value in Python a3 has 12 elements and 12*0.8=9.6. How can 9.6 elements remain? Where is my mistake? My code: import numpy as np keep_prod = 0.8 a3 =…
黄冠斌
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Deeplearning4j Error: no jniopenblas in java.library.path

I first started using Deeplearning4j this weekend. I looked at the page at https://deeplearning4j.org/docs/latest/deeplearning4j-quickstart and saw the option for "Eclipse setup without Maven". Since I was used to using Eclipse and had never heard…
Clayton
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DL4J UI: How to display cost error of the validation test?

I use DL4J and I attach the UI. How can I display on UI the cost error of the validation set? What have I to configure? I have to check if there is overfitting but the UI display only the cost error of the training set. See the image attached…
Simona R.
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How to load and predict a pre-trained tensorflow model into Java code?

I am not sure what’s the common practice to load a pre-trained keras model into a Java code? I saw deeplearning4j and Google's native Java support. Surprisingly, google says: Caution: The TensorFlow Java API is not covered by the TensorFlow API…
0x90
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"Invalid classification data: expect label value"

I'm trying to train a model using deep learning in java, when I start training the train data it gives an error Invalid classification data: expect label value (at label index column = 0) to be in range 0 to 1 inclusive (0 to numClasses-1, with…
Sawsan
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How can I reduce the RAM utilization in my program that use deeplearning4j (Memory-mapped files and WorkspaceConfiguration)?

I'm using deeplearning4j but when i load pre-trained model for text-classification I don't have enough RAM on my pc. I tried to change eclipse.ini file and add more memory changing Xms and Xmx. Unfortunately it doesn't work for…
AM13
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Deeplearning4j neural network only predicting 1 class

For the past week or so, I have been trying to get a neural network to function using RGB images, but no matter what I do it seems to only be predicting one class. I have read all the links I could find with people encountering this problem and…
Crixus
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DeepLearning4j throwing "Intel MKL FATAL ERROR: Cannot load mkl_intel_thread.dll." error

Recently i started to learn DeepLearning4j library , so i cloned a dl4j project and executed in eclipse. After executing , it showed following error: Intel MKL FATAL ERROR: Cannot load mkl_intel_thread.dll. I checked my windows path variables and i…
Joby Wilson Mathews
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java.lang.UnsatisfiedLinkError: no jnind4jcpu in java.library.path

I started using the 1.0.0-beta2 version of deeplearning4j and I am getting the following error when attempting to start: java.lang.UnsatisfiedLinkError: no jnind4jcpu in java.library.path In looking around, I came across this issue:…
Jason K.
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Use Nd4j in an Intellij project

I'm trying to use Nd4j in a Kotlin project in Intellij IDEA. In Project Structure -> Libraries, I used the "From Maven" command to add the following…
peastman
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org.nd4j.linalg.factory.Nd4jBackend$NoAvailableBackendException in wildfly

I am using deeplearning4j with JBOSS wildfly. I have placed all the modules as mentioned below in the classpath:
Dwai
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How to clear vocab cache in DeepLearning4j Word2Vec so it will be retrained everytime

Thanks in advance. I am using Word2Vec in DeepLearning4j. How do I clear the vocab cache in Word2Vec. This is because I want it to retrain on a new set of word patterns every time I reload Word2Vec. For now, it seems that the vocabulary of the…
KS Chua
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Putting a ComputationGraph in the resources directory in a JAR DL4j

Under normal circumstances, I can save a ComputationGraph (a Convolutional Neural Network) to a file and load it in a later run and it works fine. However, when I include it in a jar and I try to load it, it fails. Is there some way to load…
Arthur Dunbar
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