FormatsUnity Perception JSON
Convert to COCO Run-Length Encoding (RLE)

How to Convert Unity Perception JSON to COCO Run-Length Encoding RLE

In this guide, we show you how to convert data between the

Unity Synthetic Data

and

COCO RLE

formats for free. You can use your converted data to train

models and other models that support the

COCO RLE

format.
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Unity Perception JSON
Unity Perception is a toolkit for generating datasets for computer vision by using 3D renders.
COCO RLE
COCO Run-Length Encoding (RLE)
A version of the COCO JSON format with segmentation masks encoded with run-length encoding.
FREE Data Conversion
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FREE Data Conversion

Step 1: Create a free Roboflow public workspace

Roboflow is a universal conversion tool for computer vision annotation formats. The Public plan is the best way for those exploring personal projects, class assignments, and other experiments to try Roboflow. To convert your dataset, start by creating a free workspace on the Public plan.

Create Roboflow Workspace

Step 2: Upload your data into Roboflow

Once your account has been created, click Create New Project.

Upload your data to Roboflow by dragging and dropping your Unity Perception JSON images and annotations into the upload space.

Step 3: Generate Dataset Version

Next, click "Generate New Version" to generate a new version of your dataset:

You can then apply any preprocessing or augmentation steps to your dataset:

Step 4: Export Dataset Version

After generating, you will be prompted to Export your dataset. You can choose to receive your dataset as a .zip file or a curl download link. Choose COCO Run-Length Encoding (RLE) when asked in what format you want to export your data. You will see a dropdown with various options like this:

Congratulations, you have successfully converted your dataset from Unity Perception JSON format to COCO Run-Length Encoding (RLE) format!

Next Steps

Ready to use your new COCO RLE dataset? Great!

Try an end-to-end computer vision tutorial, check out your dataset health check or experiment with some augmentations.

Video Tutorial

Want to dive deeper into converting annotation formats with Roboflow? In the tutorial below, we explore how to convert your data in the Roboflow dashboard. We also discuss rejecting annotations
and train-test-validation splits.

Convert Unity Perception JSON to other formats

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Convert COCO Run-Length Encoding (RLE) to other formats

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Frequently Asked Questions

Is it free to convert Unity Perception JSON to COCO Run-Length Encoding (RLE)?

Yes! It is free to convert Unity Perception JSON data into the COCO Run-Length Encoding (RLE) format on the Roboflow platform.

How long does it take to convert Unity Perception JSON data to COCO Run-Length Encoding (RLE)?

If you have between a few and a few thousand images, converting data between these formats will be quick. But, the time it takes to convert between data formats increases with the more images you have.

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