Run a labeling team of any size
with quality per person.

Hand out labeling tasks to your own people and outside vendors, check their work with consensus, review and quality checks, and measure every annotator and reviewer on one Labeling Performance dashboard.

Hand out the work, and keep everyone busy.

Split a dataset into labeling tasks, or put it in a queue that people pull from. Each task shows its progress as the work goes.

  • The next item goes to whoever is free

    A labeling queue hands out one item at a time, so fast annotators simply label more and nobody waits on a fixed share.

  • Hundreds of people on one dataset

    Tasks never overlap, so a team of any size labels the same dataset in parallel, each person in the labeling tool for the data.

  • Vendors see only their work

    Invite an outside team as labelers: they open only the tasks assigned to them, with no data exported and uploaded back.

Example: one labeling queue shared by four annotators. Each pulls the next item when ready.

Consensus settles disagreements before they reach the dataset.

Turn on consensus in an image or video queue and two to four annotators label each item independently. The platform scores how far they agree and pre-fills a result, and a reviewer settles the rest.

Overall agreement82.7%
Resolved412 of 500
Open discrepancies23
AnnotatorAgreementObjectsGeometryClassesTags
llisa66.3%78.0%81.0%90.0%84.0%
ttony85.3%93.0%87.0%96.0%92.0%
mmax88.3%95.0%89.0%97.0%93.0%
aanna90.9%96.0%91.0%98.0%95.0%
Example: consensus stats of a queue where four annotators label every image.
  • Independent versions

    Annotators see only their own labels, so every item gets two to four versions made without looking at each other.

  • Agreement per annotator

    Queue stats score each annotator on objects found, geometry, classes and tags, plus frames on video, with the least agreeing people first.

  • Only resolved labels ship

    A reviewer takes one annotator's version, ignores a difference that does not matter or reopens it, and the resolved labels go to a separate final dataset.

Catch labeling mistakes before they reach training.

Every labeling task and queue has a review step, and quality checks go further on a random sample, so problems surface while the work is still going.

  • Review on your rules

    Decide whether reviewers may edit labels themselves, and whether rejected items go back to their author or to someone else.

  • Quality checks, object by object

    Reviewers judge the geometry, class and tags of every object in a random sample, and the check reports accuracy for each.

  • Error regions for what was missed

    Reviewers outline an area with missing labels and note the class and how many objects are missing.

An Error Region in a Supervisely quality check marks a missing annotation on an insulator image, with fields for the issue, the missing class, the number of missing objects and a comment

Labeling Performance shows speed and quality for every person.

One dashboard for the whole labeling operation: how much each person labeled and reviewed, how fast, and how much of it passed review. Managers plan with it, and annotators see their own numbers.

The Labeling Performance page in Supervisely: status of assets, objects by class, labeled assets per month and team activity

Labeling speed

Objects per hour of active work and the average time per object. Idle time is left out.

Acceptance rate

The share of items reviewers accepted, for the team, a project, a labeling task or one person.

Review time

Active time reviewers spend in total and per item, to balance their workload.

Time in the labeling tool

Total time in the labeling tool next to the time spent creating and editing labels.

Quality checks

Acceptance rate and review time of quality checks, apart from the regular review.

Members table

Objects and tags created, items submitted, accepted and rejected, and time for each person, with team totals.

  • Slice it any way

    Filter by period, data type, workspace, project, labeling task or person, and see each figure against a longer period.

  • Share the report

    Export the dashboard to PDF or Excel.

  • Annotators see their own

    Annotators open the same page with only their own numbers, so they follow their speed and acceptance rate themselves.

Here’s why teams trust us.

“Immensely grateful for their pivotal role in our work”

Working with Supervisely has significantly enhanced our capability to develop AI models for lung CT scans. What sets Supervisely apart is its exceptional support team who are really responsive and adapt to our unique needs with a range of apps and helper files.

University College Dublin

“Helps us to do data scientist work better and faster”

We use Supervisely since 2019. The key advantage of this tool is that Supervisely provides a complete data treatment pipeline. An important advantage is that a Supervisely instance can be deployed autonomously on a Client infrastructure, and distributed on different servers.

ENGIE

“A valuable part of our computer vision operations”

Supervisely is a valuable part of our computer vision operations, enabling our teams to efficiently work with camera and LiDAR data across sensor fusion projects. We use Supervisely for its extensive feature set and its ability to adapt to our changing requirements.

Renault Group

“Extremely satisfied with Supervisely and would highly recommend it”

The review tools have been invaluable in ensuring the quality and accuracy. The Python SDK has also been incredibly helpful in automating and streamlining our workflow. The support team on Slack has been extremely helpful and responsive.

EEVE

“Supervisely excels at that and much more”

We’ve been exceedingly impressed with the customer support, addition of new features, and the flexibility of the publicly available SDK/API. The Supervisely team has also been fast to respond to support questions, and has shown a lot of openness when given feedback on potential improvements.

Resson

Frequently asked questions.

How do I assign labeling tasks to annotators in Supervisely?

Create a labeling task (Labeling Jobs in the app) with the data, the classes and tags to use, the annotators and a reviewer, or put the data in a labeling queue that hands the next item to whoever is free. Annotators label in the browser and submit their work for review. See labeling tasks in the docs.

Can outside annotators work on our data without access to the rest of our projects?

Yes. Invite them as labelers: they see only the tasks assigned to them, and the data never has to be exported and uploaded back. A labeling member, limited to the labeler and reviewer roles, costs €35 per user, and labeling hours at €0.65 per hour suit one-off projects; see pricing.

How does consensus labeling measure agreement between annotators?

In a queue with consensus, two to four annotators label each image or video independently. The platform matches their objects and scores agreement on objects, geometry, classes and tags, plus frames on video, per annotator and for the whole queue. A reviewer settles each discrepancy, and only resolved labels go to the final dataset.

What does Labeling Performance measure?

Labeling speed in objects per hour, acceptance rate, review time, time in the labeling tool and quality-check results, for the team, a project, a labeling task or one person, with export to PDF or Excel. Annotators see their own numbers. It is part of every plan, including the free Community edition. See Labeling Performance in the docs.

How do quality checks differ from the regular review?

The regular review accepts or rejects whole items in a labeling task. A quality check takes a random sample and has reviewers judge the geometry, class and tags of every object separately and mark missing labels with error regions, so it reports accuracy per object, not only per item. See labeling quality control in the docs.