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indic-doc-parser

Image-to-Text
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ocr
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indic-doc-parser
File size: 3,720 Bytes
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{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://huggingface.co/bodhan-ai/indic-doc-parser/raw/main/schemas/layout_output.schema.json",
  "title": "Layout JSON (stage-1 output, stage-2 input)",
  "description": "Blocks carry no 'text' key. Absence means not transcribed yet, which is distinct from text: \"\" in a parsed page.",
  "type": "object",
  "required": [
    "image",
    "width",
    "height",
    "blocks"
  ],
  "properties": {
    "image": {
      "type": "string"
    },
    "width": {
      "type": "integer",
      "exclusiveMinimum": 0
    },
    "height": {
      "type": "integer",
      "exclusiveMinimum": 0
    },
    "blocks": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/block"
      }
    }
  },
  "$defs": {
    "block": {
      "type": "object",
      "required": [
        "order",
        "bbox_xyxy"
      ],
      "properties": {
        "order": {
          "type": "integer",
          "minimum": 0,
          "description": "Reading-order rank. Gap-free and 0-based across the page."
        },
        "label": {
          "type": "string",
          "description": "IndicDocLayout class. Restricted to the taxonomy unless 'type' is given."
        },
        "type": {
          "type": "string",
          "enum": [
            "Text",
            "Title",
            "SectionHeader",
            "Table",
            "Equation",
            "Caption",
            "Footnote",
            "PageHeader",
            "PageFooter",
            "PageNumber",
            "Figure",
            "Picture"
          ],
          "description": "Pipeline category; selects the prompt. Derived from 'label' when omitted."
        },
        "bbox_xyxy": {
          "type": "array",
          "items": {
            "type": "number"
          },
          "minItems": 4,
          "maxItems": 4,
          "description": "Pixel [x0, y0, x1, y1], clamped to the page."
        },
        "conf": {
          "type": "number",
          "minimum": 0,
          "maximum": 1
        }
      },
      "allOf": [
        {
          "if": {
            "not": {
              "required": [
                "type"
              ]
            }
          },
          "then": {
            "required": [
              "label"
            ],
            "properties": {
              "label": {
                "enum": [
                  "Question",
                  "Paragraph",
                  "Answer",
                  "List",
                  "Title",
                  "Section-title",
                  "Equation",
                  "Table",
                  "Diagram",
                  "Image",
                  "MCQ",
                  "Infobox",
                  "Sub-section-title",
                  "Expression",
                  "Image-caption",
                  "Placeholder-text",
                  "Chart",
                  "Solved-example",
                  "Footnote",
                  "Table-caption",
                  "Sub-sub-section-title",
                  "Footer",
                  "Header",
                  "Code",
                  "Page-number",
                  "Chapter-title",
                  "Chapter-end-section",
                  "Folio",
                  "Reference",
                  "Table-of-contents",
                  "Index",
                  "Advertisement",
                  "Author",
                  "Dateline",
                  "Contact-info",
                  "Website-link",
                  "Flag"
                ]
              }
            }
          }
        }
      ],
      "not": {
        "required": [
          "text"
        ]
      }
    }
  }
}