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Medical imaging annotation by specialist clinicians.

Imaging models are only as good as the labels behind them. We match your images to clinicians with the right specialty, design a review that fits the task and back it with analysis from PhD data scientists.

The result is ground truth you can defend, whether you are training a model or testing one.

EXAMPLE REVIEW DESIGNConfigured per project
Clinical case
REVIEWER A
Independent read
REVIEWER B
Independent read
Do they agree?
YES
Reference label
NO
Senior adjudication
SPECIALTIES AND TASKS

The right specialist for every image.

Our reviewers come from the BiteLabs network of more than 30,000 clinicians and healthcare professionals. We check professional registration and experience, and confirm the right expertise for your project during scoping.

RadiologyOphthalmologyPathologyDermatologyEndoscopyOther specialties confirmed during scoping
Classification and grading
Assigning findings, grades or categories to images or studies, by reviewers with the relevant specialty experience.
Localisation
Marking where findings are on the image, using the annotation method your project needs.
Review of existing labels
Checking labels you already have for clinical accuracy, consistency and suitability.
Reference datasets
Clinically reviewed test sets for evaluating how your model performs.
REVIEW DESIGN

Matched to how hard the task really is.

01

Single expert read

One appropriately qualified reviewer per image, with quality checks on a sample. Suits clear-cut tasks and early prototypes.

02

Independent double read

Two reviewers label each image without seeing each other's work. Where they disagree, a senior reviewer adjudicates.

03

Agreement analysis

PhD data scientists measure how often reviewers agree, so you know how reliable the labels are and where the task is genuinely hard.

BEFORE YOU LABEL

Decisions we settle with you.

Most labelling problems start before the first image is labelled. We agree these with you during scoping, then document the criteria so the work can be repeated.

  • Which specialty and level of seniority does the task need?
  • Is one read enough, or do you need independent reads and adjudication?
  • What is the reference standard: reader consensus, or a confirmed outcome where one exists?
  • How should borderline and ungradable images be handled?
  • What output does your pipeline need?

WHAT YOU RECEIVE · DEPENDING ON SCOPE

  • Annotated datasets
  • Clinically reviewed labels
  • Structured reference data
  • Quality assurance findings
  • Reviewer agreement analysis where appropriate
  • Documented annotation criteria
  • Outputs compatible with agreed workflows

Often combined with.

Clinical AI Evaluation Use your reference data to test how your imaging model performs clinically. Learn more Medical Data Annotation & Ground Truth Annotation for clinical text and other medical data alongside imaging. Learn more Guide: labelling, ground truth and agreement Review designs, adjudication and how to measure label reliability. Read the guide

Let's solve your next clinical AI challenge.

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Discuss Your Project → Book a call