Layout Aware PDF (LAPDF) Extraction

Installation Instructions

This is a Maven project and should be installed by issuing the following commands:

$ git clone https://github.com/SciKnowEngine/lapdftext/
$ cd lapdftext
$ mvn clean install assembly:assembly

This will build the jar archive file: target/lapdftext-1.8.0-SNAPSHOT-jar-with-dependencies.jar

You can execute commands against this library to run extraction tasks from PDF files.

Command-line functionality

Executing commands against the assembled jar file takes the form:

java -cp path/to/lapdftext-1.8.0-SNAPSHOT-jar-with-dependencies.jar edu.isi.bmkeg.lapdf.bin.<COMMAND> options

where COMMAND could be

• Blockify - constructs text blocks from PDF files and outputs them as XML-formatted files.
• BlockifyClassify - executes Blockify but also runs rule-based classification on blocks
• BlockStatistics - provides statistics about each block
• ExtractFigureImagesFromFile - extracts images of figures from PDF-based scientific articles.

Details of each command is described in usage documentation available by running the code without options.