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Microsoft COCO: contextual object instances and segmentation annotations

Contribution grade

Computer-vision evaluation resources · Human-designed research method or resource

Reference score185,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Created a crowd-annotation pipeline and dataset of non-iconic everyday scenes with object categories and per-instance segmentations to study contextual recognition and localization.

Scientific scope

Created a crowd-annotation pipeline and dataset of non-iconic everyday scenes with object categories and per-instance segmentations to study contextual recognition and localization. Original2014v1 describes91categories,328Kimages and2.5Minstances; these figures are not later standard80-category training/evaluation split counts. Inherits earlier datasets and hierarchical annotation tools. Dataset contribution is distinct from later detection/segmentation algorithms; no dataset pixels, crowd annotations or baseline model results replayed.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Original2014v1 describes91categories,328Kimages and2.5Minstances; these figures are not later standard80-category training/evaluation split counts. Inherits earlier datasets and hierarchical annotation tools. Dataset contribution is distinct from later detection/segmentation algorithms; no dataset pixels, crowd annotations or baseline model results replayed.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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