lsm/PdfPig
1
0
Fork 0
mirror of https://github.com/UglyToad/PdfPig.git synced 2026-03-10 00:23:29 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Add Page segmenters use case table

BobLd
2020-06-20 15:37:53 +01:00
parent ca1799fce6
commit e7162b0e1a
1 changed files with 10 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
Document-Layout-Analysis.md

@@ -73,6 +73,16 @@ Page segmenters deal with the task of finding block of text in a page. 3 differe
- [__Recursive XY Cut__](https://github.com/UglyToad/PdfPig/wiki/Document-Layout-Analysis#recursive-xy-cut-method) – a top-down method
- [__Docstrum for bounding boxes__](https://github.com/UglyToad/PdfPig/wiki/Document-Layout-Analysis#docstrum-for-bounding-boxes-method) – a bottom-up method
## Use cases
|Text | Default method | Recursive XY Cut | Docstrum |
|-------------------------|:----------------:|:------------------:|:----------:|
|Single Column | ✔️ | ✔️ | ✔️ |
|Multi Columns | ✖️ | ✔️ | ✔️ |
|L-shaped text | ❌ | ❌ | ✔️ |
|Rotated lines/paragraphs | ❌ | ✖️ | ✔️ |
Legend: ✔️: supported, ✖️: partial support, ❌: not supported
## [Default method](https://github.com/UglyToad/PdfPig/blob/master/src/UglyToad.PdfPig.DocumentLayoutAnalysis/DefaultPageSegmenter.cs)
### Description
This method returns one single block, containing all words in the page.