Complex PDF Layout Analysis Program
VOP uses DocLayout-YOLO technique to solve the element misalignment problem, specifically:
- preprocessing::
- utilization
--layout_analysis highParameter Enable Enhanced Layout Detection - The scans are first performed on the
unpaperDeskew (self-installation required)
- utilization
- Modular processing::
- Phase 1 with
ocr_stage1.py --mode layoutGenerate elemental heat maps - manual check
temp/detection_visualize.jpg - pass (a bill or inspection etc)
--element_margin 15Adjusting the element spacing threshold
- Phase 1 with
- output control::
- Recommendations for academic papers
--format jsonPreservation of coordinate information - increase
--semantic_blockEnable logical paragraph reorganization
- Recommendations for academic papers
Note: When encountering cross-column typography, it is recommended to first use thepdf2imageConvert to 600 DPI single page PNG before processing.
This answer comes from the articleVOP: OCR Tool for Extracting Complex Diagrams and Math FormulasThe
May not be reproduced without permission:AI productivity tools " How to overcome the problem of misalignment of charts and text in complex layout PDF?
English 
简体中文 
日本語 
Deutsch 
Português do Brasil