CORN Pro: Corneal Nerve Confocal Microscopy Dataset

1,120 in-vivo confocal microscopy images with pixel-level annotations for corneal subbasal nerves and corneal cells. The source describes 560 images with nerves and Langerhans cells and 560 images with nerves and/or stromal cells.

At a glance

Field	Value
Short name	corn_pro
Full name	CORN Pro: Corneal Nerve Confocal Microscopy Dataset
First published	2024-12-03
Publication date precision	day
Publication date evidence	zenodo.org/api
Publication date source field	metadata.publication_date (earliest listed public Zenodo version)
Publication date reviewed	2026-09-11
Primary category	confocal
Resource role	component_dataset
Dataset family	corn_collection
Contained modalities	confocal
Tasks	segmentation
Primary reported quantity	1,120 images
Classes	Not reported (Not reported)
Splits	all
Size	0.5 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	controlled_or_manual
Route backend	Manual (upstream-gated)
Availability	available (checked 2026-07-21)
Acquisition support	manual_access_blocked
Legacy sample-loader status	Standard loader included

Reported quantities

Role	Count	Unit	Scope	Basis	Evidence
Primary	1,120	images	Primary quantity reported in the reviewed catalog source	legacy_catalog_field	zenodo.org/records

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

Restricted access. Steps to obtain:

1. Create a free account at https://zenodo.org
2. Visit https://zenodo.org/records/14263883
3. Click 'Request access' with affiliation & purpose Full CORN database: https://imed.nimte.ac.cn/CORN.html

Dataset family

This record belongs to corn_collection. Family links group documented collection/component records or exact task views; they do not imply independent cohorts.

• corn1500: CORN-1500: Corneal Nerve Tortuosity Grading (component_dataset)
• corn_collection: CORN: Corneal Confocal Microscope Dataset Collection (collection)

Documented relationships

These links record source-supported lineage or overlap, not merely similar modality tags.

• corn_collection is has component this record: The CORN collection lists CORN-Pro as one of its six component deposits. (evidence)
• This record is component of corn_collection: CORN-Pro is a named component of the combined CORN collection. (evidence)

Access information and download

CLI

# This route requires upstream human action; no transfer starts.
eyehub download corn_pro --data-dir ./data --dry-run --json
# Follow the official instructions shown by preflight.

Python

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

ds = REGISTRY.get_dataset('corn_pro')
print(preflight_dataset(ds, './data'))  # returns manual_access_blocked

Upstream page: zenodo.org/records

Source-term evidence: zenodo.org/records

Loader example

This entry includes a standard DatasetSample loader.

from pathlib import Path
from eyedatahub.datasets.registry import REGISTRY

data_dir = Path('~/.eyedatahub/data').expanduser()
ds = REGISTRY.get_dataset('corn_pro')
samples = ds.load(data_dir, split='all')
for s in samples[:5]:
    print(s.sample_id, s.label, s.image_path)

Citation

BibTeX

@misc{corn_pro,
  title  = { CORN Pro: Corneal Nerve Confocal Microscopy Dataset },
  note   = { CORN database (https://imed.nimte.ac.cn/CORN.html). Zenodo record 14263883: https://zenodo.org/records/14263883 },
  url    = { https://zenodo.org/records/14263883 },
}

Plain text

CORN database (https://imed.nimte.ac.cn/CORN.html). Zenodo record 14263883: https://zenodo.org/records/14263883

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.

Similar resources by shared modality

• corn_collection: CORN: Corneal Confocal Microscope Dataset Collection (12,931 images, cc-by)
• corn1500: CORN-1500: Corneal Nerve Tortuosity Grading (1,500 images, unknown)
• qilu_ccm_nerve_segmentation: Qilu Annotated Corneal Confocal Microscopy Nerve Segmentation Dataset (410 images, cc-by)
• superccm_fineset: SuperCCM-FineSet (210 images, unknown)
• corneal_epithelium_confocal: Keratoconus Corneal Epithelium Confocal Fluorescence Dataset (7 participants, cc-by)
• corneal_nerve_parkinsons: Corneal Nerve Parkinson Disease Dataset (Not reported, cc-by)