APTOS Vascular Arcade and Optic Nerve Head Masks

Segmentation masks for the vascular arcade and optic nerve head derived from APTOS 2019 fundus images.

At a glance

Field	Value
Short name	aptos_arcade_onh_masks
Full name	APTOS Vascular Arcade and Optic Nerve Head Masks
First published	2026-03-08
Publication date precision	day
Publication date evidence	zenodo.org/api
Publication date source field	metadata.publication_date (earliest public Zenodo version)
Publication date reviewed	2026-09-11
Primary category	fundus
Resource role	annotation_layer
Dataset family	aptos_arcade_onh_masks
Contained modalities	fundus
Tasks	segmentation
Primary reported quantity	500 images
Classes	Not reported (Not reported)
Splits	all
Size	0.1 GB
Source-stated terms	Apache-2.0
Normalized terms	apache
Descriptive screening label	Standard label without an explicit NC clause; verify that it applies to data
Terms scope	unknown
Access friction	self_service_authenticated
Route backend	Zenodo
Availability	available (checked 2026-07-21)
Acquisition support	standard_platform_supported
Legacy sample-loader status	Metadata and access only

Reported quantities

Role	Count	Unit	Scope	Basis	Evidence
Primary	500	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

Derivative annotation layer for APTOS 2019; does not represent a new image cohort.

Documented relationships

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

• This record is derived from aptos2019: The deposit supplies vascular-arcade and optic-nerve-head masks for APTOS 2019 images. (evidence)

Access information and download

CLI

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

# Download, only when preflight reports supported behavior
eyehub download aptos_arcade_onh_masks --data-dir ./data

Python

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

ds = REGISTRY.get_dataset('aptos_arcade_onh_masks')
print(preflight_dataset(ds, './data'))  # no download

Upstream page: zenodo.org/records

Source-term evidence: zenodo.org/records

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{aptos_arcade_onh_masks,
  title  = { APTOS Vascular Arcade and Optic Nerve Head Masks },
  note   = { APTOS vascular arcade and optic nerve head masks. Zenodo, 2026. doi:10.5281/zenodo.20711325 },
  year   = { 2026 },
  url    = { https://zenodo.org/records/20711325 },
}

Plain text

APTOS vascular arcade and optic nerve head masks. Zenodo, 2026. doi:10.5281/zenodo.20711325

Source-stated terms

• Raw source string: Apache-2.0
• Normalized category: apache
• Apparent scope: unknown
• Descriptive screening label: Standard label without an explicit NC clause; verify that it applies to data

⚠️ 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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