ROC: Retinopathy Online Challenge

100 fundus images with microaneurysm annotations from the Retinopathy Online Challenge.

At a glance

Field	Value
Short name	roc
Full name	ROC: Retinopathy Online Challenge
Primary category	fundus
Contained modalities	fundus
Tasks	segmentation, classification
Samples	100
Classes	2 (Not reported)
Splits	train, test
Size	0.3 GB
Source-stated terms	Research only (free for research, University of Iowa)
Normalized terms	research-only
Descriptive screening label	Research or challenge restriction recorded; check source
Terms scope	dataset_files
Access friction	anonymous_direct
Route backend	Manual (upstream-gated)
Availability	available (checked 2026-07-21)
Acquisition support	guided_instructions_only
Legacy sample-loader status	Metadata and access only

Notes

University of Iowa registration form required — no auto path.

Access preflight and acquisition

CLI

# Read-only preflight
eyehub download roc --data-dir ./data --dry-run --json

# Explicit transfer, only when preflight reports supported behavior
eyehub download roc --data-dir ./data

Python

from eyedatahub.acquisition import preflight_dataset
from eyedatahub.datasets.registry import REGISTRY

ds = REGISTRY.get_dataset('roc')
print(preflight_dataset(ds, './data'))  # no transfer

Upstream page: webeye.ophth.uiowa.edu/ROC

Source-term evidence: webeye.ophth.uiowa.edu/ROC

Loader status

This catalog record provides metadata and access instructions, but it does not yet include a standard DatasetSample loader. Inspect the source file structure or contribute a loader before using it in a training pipeline.

Citation

BibTeX

@misc{roc,
  title  = { ROC: Retinopathy Online Challenge },
  note   = { Niemeijer et al., 'Retinopathy Online Challenge: Automatic Detection of Microaneurysms in Digital Color Fundus Photographs', IEEE TMI 2010 },
  year   = { 2010 },
  url    = { http://webeye.ophth.uiowa.edu/ROC/ },
}

Plain text

Niemeijer et al., 'Retinopathy Online Challenge: Automatic Detection of Microaneurysms in Digital Color Fundus Photographs', IEEE TMI 2010.

Source-stated terms

• Raw source string: Research only (free for research, University of Iowa)
• Normalized category: research-only
• Apparent scope: dataset_files
• Descriptive screening label: Research or challenge restriction recorded; check source

⚠️ Source-stated terms, scope, and normalized labels are curation metadata, not legal advice or a permission finding. Review the current official source before transfer or reuse.

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