deeplearning4j/deeplearning4j-examples

Deeplearning4j Examples (DL4J, DL4J Spark, DataVec)

Stars: 2.5k
Forks: 1.8k
Open beginner issues: 0
Indexed issues: 61

Dominant language: Java
License: No license data
Last GitHub push: Nov 18, 2025
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

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61 open issues indexed

Issue with ClassPathResource and datavec spark examples Open

deeplearning4j/deeplearning4j-examples#428 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CompGraphLSTExample becomes unstable at the end of training Open

deeplearning4j/deeplearning4j-examples#447 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
How to improve the scores of AnimalsClassification? Open

question

deeplearning4j/deeplearning4j-examples#479 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Examples relying on word vectors: give option to auto-download Open

deeplearning4j/deeplearning4j-examples#495 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
running org.datavec.transform.logdata.LogDataExample : Invalid format: "13/Jul/1995:08:51:11 -0400" is malformed Open

deeplearning4j/deeplearning4j-examples#539 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Class EmrSparkExample - import errors Open

question

deeplearning4j/deeplearning4j-examples#575 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Incremental Training with Word2Vec/ParagraphVectors Open

question

deeplearning4j/deeplearning4j-examples#579 · 1 comment · 5 reactions · 0 assignees · Indexed Sep 15, 2026
how to predict in CNNTextClassifier.java? Open

question

deeplearning4j/deeplearning4j-examples#587 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Need a multiclass example (1 example multiple classes) Open

deeplearning4j/deeplearning4j-examples#588 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Learning using time series data with infinite stream - continuous learning and normalization Open

question

deeplearning4j/deeplearning4j-examples#610 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
HouseNumberDetection Sample Open

question

deeplearning4j/deeplearning4j-examples#750 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
org.deeplearning4j.examples.feedforward.classification.detectgender.PredictGenderTrain Open

bug

deeplearning4j/deeplearning4j-examples#808 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
how to compute priorBoxes in HouseNumberDetection example Open

enhancement help wanted

deeplearning4j/deeplearning4j-examples#828 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Style Transfer error Open

bug help wanted

deeplearning4j/deeplearning4j-examples#857 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add RL4J examples to runexamples.sh script Open

enhancement help wanted

deeplearning4j/deeplearning4j-examples#860 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Trying to run SPARK MNISTMLPExample fails during training. Open

question

deeplearning4j/deeplearning4j-examples#863 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Video analytics Open

help wanted question

deeplearning4j/deeplearning4j-examples#871 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Convert string to vector in DataVec Open

enhancement help wanted

deeplearning4j/deeplearning4j-examples#877 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Possible corrections to feed-forward tutorial Open

documentation

deeplearning4j/deeplearning4j-examples#881 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
low FPS when running pretrained TinyYolo on Android Open

help wanted question

deeplearning4j/deeplearning4j-examples#882 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
NearestNeighbor.java failed to execute op hashcode Open

bug

deeplearning4j/deeplearning4j-examples#904 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
NeuralStyleTransfer example Open

bug

deeplearning4j/deeplearning4j-examples#908 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cartpole error Open

deeplearning4j/deeplearning4j-examples#911 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Increasing errors with MultiLayerNetworkExternalErrors.java Example Open

help wanted question

deeplearning4j/deeplearning4j-examples#914 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Expected rank 4 mask array for 2D CNN layers. Mask arrays for 2D CNN layers must have shape [batchSize,channels,X,Y] where X = (1 or activationsHeight) and Y = (1 or activationsWidth): Got rank 2 array with shape [128, 512] Total epochs: 0 Open

deeplearning4j/deeplearning4j-examples#925 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
BasicCSVClassifier does not classify at all Open

bug

deeplearning4j/deeplearning4j-examples#937 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Exceptions in MultiClassLogit example with fix proposals and warning in IteratorDataSetIterator. Open

bug

deeplearning4j/deeplearning4j-examples#938 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
trained_mnist_model row couldn't find android Open

documentation question

deeplearning4j/deeplearning4j-examples#939 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Looking for Help? Need Support? (Read this first) Open

deeplearning4j/deeplearning4j-examples#942 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Update Gradle example deeplearning4j-examples to support Kotlin DSL with the latest Gradle v6.3 Open

enhancement

deeplearning4j/deeplearning4j-examples#963 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Fix data in AnimalClassifier Open

deeplearning4j/deeplearning4j-examples#967 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add graph for TSNE Open

deeplearning4j/deeplearning4j-examples#968 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
EncoderDecoderLSTM errors out Open

deeplearning4j/deeplearning4j-examples#969 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
PredictGender test investigate Open

deeplearning4j/deeplearning4j-examples#972 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
knn example issues Open

deeplearning4j/deeplearning4j-examples#976 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Mixture Density example Open

deeplearning4j/deeplearning4j-examples#977 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Review numpy cheatsheet for new functionality added in beta7 Open

deeplearning4j/deeplearning4j-examples#979 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
IllegalStateException: ERROR: Unable to run session Expects arg[0] to be uint8 but int32 is provided || Unsupported data type: UBYTE Open

deeplearning4j/deeplearning4j-examples#980 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Android Didn't find class 'model' import org.deeplearning4j.models.embeddings.wordvectors.WordVectors; Open

deeplearning4j/deeplearning4j-examples#981 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot allocate new FloatPointer Open

deeplearning4j/deeplearning4j-examples#986 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
RL4J Malmo Pixels example not working Open

bug

deeplearning4j/deeplearning4j-examples#987 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Broken link to saving/loading examples Open

deeplearning4j/deeplearning4j-examples#1000 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
package and file path do not match Open

deeplearning4j/deeplearning4j-examples#1001 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Example showing standard linear algebra decompositions and solver Open

deeplearning4j/deeplearning4j-examples#1003 · 11 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
The specified blob does not exist Open

deeplearning4j/deeplearning4j-examples#1004 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Webserver for examples broken Open

deeplearning4j/deeplearning4j-examples#1005 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
missing Java imports in DenseNetBuilder and DenseNetModel Open

deeplearning4j/deeplearning4j-examples#1008 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Program execution error “org.nd4j.linalg.cpu.nativecpu.ops.NativeOpExecutioner” Open

deeplearning4j/deeplearning4j-examples#1010 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
How should I use the DL4J generated model? Open

deeplearning4j/deeplearning4j-examples#1011 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
get different values when run Ex2_LinearRegression.java in many times Open

deeplearning4j/deeplearning4j-examples#1012 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026

A short digest of beginner-friendly GitHub issues.