Human-powered polygon annotation for both irregular shaped and coarse object training data in images and video.

Use Cases

Scale turns your unannotated images into annotated images with bounding polygons around objects of interest.

Self Driving Cars

Self Driving Cars

Our tools and workforce are trained to draw and label bounding polygons such as “car”, “stop sign”, “cyclist”, or “person” to power the future of autonomous vehicles.



Computer vision enables robotics to tackle new horizons in manufacturing, energy and health-care.



2D polygon bounding labels teach drones to identify pools, rooftops, trees and more.

How it Works

Send image or sensor data through our simple API and receive segmented and labeled ground truth data.

"Draw a tight polygon around every **pool** in the image."

  'instruction': 'Draw a tight polygon around every **pool** in the image.',
  'attachment': 'http://i.imgur.com/XOJbalC.jpg',
  'objects_to_annotate': ['pool'],
  'with_labels': true
}, (err, task) => {
    // do something with task
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Integrated with machine learning

We apply machine learning in a multitude of ways to make our workforce more efficient and ensure impeccable quality and accuracy.

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Customer Success Engineering

Each customer is paired with a dedicated customer success engineer who ensures smooth integration and service.

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Built for scale

We process millions of tasks each month and are built to rapidly scale up and down to meet your requirements.

Ready for enterprise

Custom Annual Plans and SLAs

Get started today with on-demand, or chat with us about an enterprise plan.

Guaranteed Task Completion Time

Enterprise-grade SLAs include task completion times and tasks can be rapidly scaled up or down to meet your needs.

24/7 Development Support

Each enterprise customer is paired with a dedicated customer success manager who will ensure smooth integration and continued service.

Slack chat service

Cost Effective

Enterprise engagements include upfront and volume-based discounts, and is the most cost-effective solution for high-quality labels. Plus with Scale, there are no platform fees.

Quality Assurance

Best-In-Class Quality Choice

Industry leading quality datasets safe-guarded against ever-changing, messy data.

Super Human Quality

Our tasks are annotated by trained and qualified workers with additional layers of both human, data and machine learning driven quality control checks.

The resulting accuracy is consistently much higher than what a human or synthetic labeling approach can achieve independently, as measured against rigorous quality areas for each annotation.

Scale's dashboard
Another view of Scale's dashboard
Our Customers

Scale is Trusted by World Class Companies

We already support machine learning for some of the biggest autonomous vehicle and computer vision companies in the world.