COph100: Comprehensive Infant Fundus Image Registration Dataset (RIDIRP)
100 infant eyes with 491 image pairs annotated with ground-truth control points and vessel masks. Enables pediatric / ROP-relevant fundus registration research.
At a glance
| Field | Value |
|---|---|
| Short name | coph100 |
| Full name | COph100: Comprehensive Infant Fundus Image Registration Dataset (RIDIRP) |
| First published | 2025-01-18 |
| Publication date precision | day |
| Publication date evidence | api.figshare.com/v2 |
| Publication date source field | published_date (Figshare version 1) |
| Publication date reviewed | 2026-09-11 |
| Primary category | fundus |
| Resource role | current_dataset |
| Dataset family | coph100 |
| Contained modalities | fundus |
| Tasks | regression, segmentation |
| Primary reported quantity | 491 image pairs |
| Classes | Not reported (Not reported) |
| Splits | all |
| Size | 1.0 GB |
| Source-stated terms | CC BY 4.0 |
| Normalized terms | cc-by |
| Descriptive screening label | Standard label without an explicit NC clause; not a permission finding |
| Terms scope | dataset_files |
| Access friction | self_service_authenticated |
| Route backend | Figshare |
| Availability | available (checked 2026-07-21) |
| Acquisition support | end_to_end_tested |
| Legacy sample-loader status | Metadata and access only |
Reported quantities
| Role | Count | Unit | Scope | Basis | Evidence |
|---|---|---|---|---|---|
| Primary | 491 | image_pairs | Registered infant fundus pairs | official_source_description | https://doi.org/10.6084/m9.figshare.27061084.v1 |
| Additional | 982 | images | Images participating in 491 pairs | derived_from_reported_components | https://doi.org/10.6084/m9.figshare.27061084.v1 |
| Additional | 100 | eyes | Source-described infant eyes | official_source_description | https://doi.org/10.6084/m9.figshare.27061084.v1 |
Counts retain their source-reported units. Additional rows can describe components, paired items, or derivative copies and are not automatically added to the primary quantity.
Notes
Adds infant fundus registration; complements ROP classification datasets.
Access information and download
- CLI
- Python
# Read-only preflight
eyehub download coph100 --data-dir ./data --dry-run --json
# Download, only when preflight reports supported behavior
eyehub download coph100 --data-dir ./data
from eyedatahub.acquisition import preflight_dataset
from eyedatahub.datasets.registry import REGISTRY
ds = REGISTRY.get_dataset('coph100')
print(preflight_dataset(ds, './data')) # no download
Upstream page: https://doi.org/10.6084/m9.figshare.27061084.v1
Source-term evidence: https://doi.org/10.6084/m9.figshare.27061084.v1
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
- Plain text
@misc{coph100,
title = { COph100: Comprehensive Infant Fundus Image Registration Dataset (RIDIRP) },
note = { Hu Y, et al., 'COph100: A comprehensive fundus image registration dataset from infants constituting the RIDIRP database', Scientific Data 2025;12:99 },
year = { 2025 },
url = { https://doi.org/10.6084/m9.figshare.27061084.v1 },
}
Hu Y, et al., 'COph100: A comprehensive fundus image registration dataset from infants constituting the RIDIRP database', Scientific Data 2025;12:99.
Source-stated terms
- Raw source string: CC BY 4.0
- Normalized category:
cc-by - Apparent scope:
dataset_files - Descriptive screening label: Standard label without an explicit NC clause; not a permission finding
⚠️ 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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