Layout elements
This chapter provides an overview of the key layout objects recognized during layout and table parsing, as displayed in the layout grid. You will need them for developing entity extraction rules.
Layout grid explainer
Page, section, headline, paragraph, etc.
Header/footer:
Top/bottom part of a document.
Yellow border in the layout grid.
Page:
Refers to a document page.
Begins with a headline and ends above the next headline; typically consists of multiple paragraphs, sometimes just one.
Layout grid: gray border; sections are numbered (integers: 1, 2, 3).
Marks the beginning of a section.
Layout grid: highlighted in green; might also be highlighted in the standard view if there.
Forms an individual block of text within a section, often representing a cohesive unit of information.
Layout grid: blue border.
Includes scans and OCRed pages (the OCR output is placed over the image as invisible text).
Layout grid: pink border (also: pink border around the page in case of OCRed pages).
Structured arrangement of data made up of rows and columns
Table header:
Top row of a table. Merged headers span various adjacent columns.
Individual units within a table, containing data structured by the table.
Table row:
Horizontal sequence of table cells.
Table column:
Vertical sequence of table cells.
Table elements