A page is more than a bag of words. Columns establish sequence, labels establish field meaning, and table position establishes relationships. These guides separate character recognition from layout reconstruction and data validation.
Use this collection when position carries meaning. It covers columns, table headers, merged cells, repeated form labels, checkbox states, numeric validation, and output formats with coordinates. Correct characters in the wrong relationship are still incorrect data.
You should finish with a region map, explicit field or cell states, traceable source coordinates where needed, and validation rules that flag uncertainty without silently inventing a correction. Choose the export only after those requirements are known.
Test this cluster with Table to Markdown, then begin the detailed review with Multi-Column OCR and Reading Order Review.
Choose the final representation with the document OCR workflow collection before rebuilding rows, fields, or page order.
OCR can return the right words while destroying the relationships that make them useful. A number detached from its unit, a value detached from its row, or a checkbox detached from its label is not reliable structured data.
| Document signal | What it means | Useful next action |
|---|---|---|
| Columns and sidebars | Text regions can be joined in visual rather than logical order. | Map regions and define sequence before flattening text. |
| Tables | Headers, merged cells, blanks, and row groups may disappear. | Rebuild the grid and trace every cell to its source position. |
| Forms | Repeated labels and empty states can collapse into ambiguous keys. | Define a schema with page, section, field, and explicit state. |
| Numbers | A plausible digit can still be wrong. | Apply format and arithmetic checks, then confirm against the image. |
Do not fill a blank from a neighboring pattern or repair a suspicious number silently. Preserve the raw OCR value, the reviewed value, the source location, and the reason for any correction.
First identify page regions and relationships, then recognize text, rebuild structure, and validate consequential values against the source.
Verify sequence independently from word accuracy.
Reconstruct the grid before interpreting values.
Represent blank, unchecked, unreadable, and not applicable as different states.
Choose an output format that preserves the coordinates and provenance your task requires.
Choose a method for columns, cells, blank states, coordinates, numbers, and export formats before flattening the page.
Judge word recognition and reading order separately. A page can contain correctly recognized words in a sequence that changes its meaning.
Recognize cell text, rebuild the grid, then validate relationships and arithmetic. Plain text alone is not a reliable table representation.
Define a schema and state vocabulary before mapping OCR text. Plain OCR does not prove which answer belongs to which field.
Use automated rules to find suspicious numbers, then verify them against the source. Validation can flag an error but should not silently invent a correction.
Choose the simplest format that preserves every property the next task needs. Plain text is not a substitute for coordinates, and a searchable PDF is not a structured dataset.
Use a table with headers, blanks, and units to test whether every value can be traced to its row and column before scaling the workflow.
Open Table to Markdown