UWL Centre for Translational Healthcare Research

UNITY EchoPhase — Multibeat Echocardiographic Phase Detection

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Overview

The UNITY EchoPhase dataset provides echocardiographic videos annotated with key cardiac phases — end-systolic (ES) and end-diastolic (ED).
These phases are essential for calculating heart function measures such as ejection fraction, chamber volume, and myocardial strain.

The dataset enables research into automated phase detection and provides a benchmark resource for validating methods against expert human annotations.


Important Information about the Dataset

We took a large random sample of echocardiographic studies (2010–2020) from Imperial College Healthcare NHS Trust’s echocardiogram database.


Label Metadata

Each video in the dataset is accompanied by a structured label file:

Example Label File Preview:

Example Labels

Dataset Summary

Attribute UNITY EchoPhase
Source NHS Trust PACS Archives, Imperial College Healthcare
Ultrasound machines Philips iE33 xMATRIX, GE Vivid series
Size 1,000 videos (2010–2020)
Video length 1–3 heartbeats
Annotations 2 independent expert annotations (ED & ES)
Resolution (300–768)×(400–1024), downsampled to 112×112
Frame rate 23–102 fps
Format DICOM → AVI
Use Training & Testing

Request Dataset Access

The UNITY EchoPhase dataset has been made available for research and benchmarking.

It includes:

To request access, please complete the form below:










License

This dataset is licensed under a
Creative Commons BY-NC-ND 4.0 International License.


Project Team


References