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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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How can I improve the learning of FCN32 for semantic segmentation?

I have trained FCN32 for semantic segmentation from scratch for my data, and I got the following output: As it can be seen, this is not a good learning curve showing an improper training on data. solver is as follows: net:…
S.EB
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Transform training data into array in Neural network

I am trying a time prediction model in deeplearning4j for text processing which takes no of words,sentences,char as input features and produces time as output.But while modelling input data to output i am having difficulties to transform these…
AJn
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What type of neural network is this?

I'm new to deep learning, (particularly deeplearning4j) and am trying out the examples. Particularly, I want to know which type neural-network is used in the following CSV Example. Is this a deep learning neural network or just "regular neural…
tired and bored dev
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Why the FCN32 output is a black image (all pixels have zero values)?

I am trying to get the output from FCN 32. I trained FCN32 with pascalcontext-fcn32-heavy.caffemodel pre-trained model. I could run for grayscale images with 5 classes. However, during inference, the output is all zero (a black image). This is…
S.EB
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Do Anomaly detection on my own images use deeplearning4j

I going to do Anomaly detection on my own images by using the example on deeplearning4j platform. And I change the code like this: int rngSeed=123; Random rnd = new Random(rngSeed); int width=28; int height=28; int batchSize =…
Jerome tan
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How to classify Cifar image with Alexnet on Deeplearning4j

I am a beginner to Deeplearning4j, and going to to a testing on Cifar-10 images classify. I just copy the Alexnet from DL4j example(AnimalsClassification.java) like: MultiLayerConfiguration conf = new NeuralNetConfiguration.Builder() …
Jerome tan
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How to use a theanets neural network model in deeplearning4j?

I have trained theanets neural network model and I want to use the same model in deeplearning4j, any suggestions?
Mani
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Deeplearning4j parsing model into a DataSet

The official guides for Deeplearning4j show how to use .csv files, but I want to know how to use my custom models with it. I tried looking for an appropriate DataSet implementation but can't seem to find any. Even if it would take the contents (in…
Haruspik
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how can i get cosign diatance between two words in Deeplearning4j - Word2vec

I'm using deeplearning4j to learn text data. I'm done with word2vec tutorial at deeplearning4j website and successfully trained word vectors with 100 documents. but i don't know how to get cosign distance of two different words like below…
Sungjin.Kim
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How to classify text with Knime

I'm trying to classify some data using knime with knime-labs deep learning plugin. I have about 16.000 products in my DB, but I have about 700 of then that I know its category. I'm trying to classify as much as possible using some DM (data mining)…
wviana
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Trying to work with deeplearning4j for the first time but it does not work

I try to follow the quick start guide on deeplearning4j, deeplearning4j.org/quickstart. However, when I try to run "mvn clean install", it give me the following errors: [ERROR] Failed to execute goal…
MakaraPr
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java.lang.NoSuchMethodError: org.apache.spark.sql.hive.HiveContext.sql(Ljava/lang/String;)Lorg/apache/spark/sql/DataFrame

I'm getting below error while running spark program using spark-submit. My spark-cluster is of version 2.0.0 and I use sbt to compile my code and below is my sbt dependencies. libraryDependencies ++= Seq( "commons-io" % "commons-io" % "2.4", …
Charls Joseph
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Display labels of data [deep4j]

I would like to print the labels of traindata / testdata used in classification. Here is the definition of both inputs (using deep4j). InputSplit[] inputSplit = fileSplit.sample(pathFilter, splitTrainTest, 1 - splitTrainTest); InputSplit…
Arcyno
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Cannot run maven project

I am trying to create a neural network using deeplearning4j. I have created a maven project. but when I run the project I get this java error. Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (default-cli) on project…
Ishani Pathinayake
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DeepLearning4J: Shapes do not match on FeedForward Auto Encoder

I'm implementing an auto-encoder for anomaly detection of IoT sensor data. My data set comes from a simulation, but basically it is accelerometer data - three dimensions, one for each axis. I'm reading it from a CSV file, column 2-4 contain the data…
Romeo Kienzler
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