| { |
| "$schema": "https://json-schema.org/draft/2020-12/schema", |
| "$id": "https://example.org/schemas/data-snapshot-eval-v1.3.schema.json", |
| "title": "Data Snapshot Evaluation Format (v1.3)", |
| "type": "object", |
| "additionalProperties": false, |
| "required": ["label_map", "info", "documents", "predictions"], |
|
|
| "properties": { |
| "label_map": { |
| "description": "Canonical mapping of integer label IDs to label names. Keys are strings that parse to positive integers.", |
| "type": "object", |
| "minProperties": 1, |
| "additionalProperties": false, |
| "patternProperties": { |
| "^[1-9][0-9]*$": { "type": "string", "minLength": 1 } |
| } |
| }, |
|
|
| "info": { |
| "type": "object", |
| "additionalProperties": false, |
| "required": ["schema_version", "type", "run_id", "model", "coordinate_system"], |
| "properties": { |
| "schema_version": { "type": "string", "const": "1.3" }, |
|
|
| "type": { |
| "description": "Whether this file is ground truth or model predictions.", |
| "type": "string", |
| "enum": ["ground_truth", "prediction"] |
| }, |
|
|
| "created_at": { |
| "description": "ISO8601 date or datetime string.", |
| "type": "string", |
| "minLength": 8 |
| }, |
|
|
| "run_id": { |
| "description": "Identifier for a prediction run. Null for ground truth.", |
| "type": ["string", "null"], |
| "minLength": 1 |
| }, |
| "model": { |
| "description": "Model metadata. Use {\"name\": \"human annotation\"} for ground truth.", |
| "type": "object", |
| "additionalProperties": true, |
| "required": ["name"], |
| "properties": { |
| "name": { "type": "string", "minLength": 1 }, |
| "version": { "type": ["string", "null"] }, |
| "notes": { "type": ["string", "null"] } |
| } |
| }, |
|
|
| "coordinate_system": { |
| "type": "object", |
| "additionalProperties": false, |
| "required": ["type", "range", "origin"], |
| "properties": { |
| "type": { "type": "string", "const": "normalized_xyxy" }, |
| "range": { |
| "description": "Fixed numeric range for normalized coordinates.", |
| "type": "array", |
| "minItems": 2, |
| "maxItems": 2, |
| "prefixItems": [{ "type": "number", "const": 0.0 }, { "type": "number", "const": 1.0 }] |
| }, |
| "origin": { "type": "string", "const": "top_left" } |
| } |
| } |
| } |
| }, |
|
|
| "documents": { |
| "type": "array", |
| "minItems": 1, |
| "items": { |
| "type": "object", |
| "additionalProperties": false, |
| "required": ["doc_id", "doc_name", "doc_path"], |
| "properties": { |
| "doc_id": { "type": "string", "minLength": 1 }, |
| "doc_name": { "type": "string", "minLength": 1 }, |
| "doc_path": { "type": "string", "minLength": 1 } |
| } |
| } |
| }, |
|
|
| "predictions": { |
| "description": "Per-page container of objects. Used for both GT and predictions.", |
| "type": "array", |
| "items": { "$ref": "#/$defs/pageEntry" } |
| } |
| }, |
|
|
| "$defs": { |
| "bbox": { |
| "description": "Normalized [x1, y1, x2, y2] in [0,1].", |
| "type": "array", |
| "minItems": 4, |
| "maxItems": 4, |
| "prefixItems": [ |
| { "type": "number", "minimum": 0.0, "maximum": 1.0 }, |
| { "type": "number", "minimum": 0.0, "maximum": 1.0 }, |
| { "type": "number", "minimum": 0.0, "maximum": 1.0 }, |
| { "type": "number", "minimum": 0.0, "maximum": 1.0 } |
| ] |
| }, |
|
|
| "objectBase": { |
| "type": "object", |
| "additionalProperties": false, |
| "required": ["id", "label", "bbox"], |
| "properties": { |
| "id": { "type": "string", "minLength": 1 }, |
|
|
| "label": { |
| "description": "Human-readable label name (must be consistent with label_map; enforced in code).", |
| "type": "string", |
| "minLength": 1 |
| }, |
|
|
| "bbox": { "$ref": "#/$defs/bbox" }, |
|
|
| "attributes": { |
| "description": "Optional free-form metadata.", |
| "type": "object", |
| "additionalProperties": true |
| }, |
|
|
| "score": { |
| "description": "Confidence score in [0,1]. Null for ground truth objects.", |
| "type": ["number", "null"], |
| "minimum": 0.0, |
| "maximum": 1.0 |
| } |
| } |
| }, |
|
|
| "pageEntry": { |
| "type": "object", |
| "additionalProperties": false, |
| "required": ["page_id", "doc_id", "page_index", "objects"], |
| "properties": { |
| "page_id": { "type": "string", "minLength": 1 }, |
| "doc_id": { "type": "string", "minLength": 1 }, |
| "page_index": { "type": "integer", "minimum": 0 }, |
|
|
| "objects": { |
| "type": "array", |
| "items": { "$ref": "#/$defs/objectBase" } |
| } |
| } |
| } |
| } |
| } |
