From: Layout-aware text extraction from full-text PDF of scientific articles
Parameter Symbols | Definitions |
---|---|
w height | Word block height |
δw horizontal | Horizontal space between words |
δw vertical | Vertical space between words |
max i f (δw height ) | Most Popular Word block height in a page i |
max i f (δw horizontal ) | Most Popular Horizontal space between word blocks in a page i |
max i f (δw vertical ) | Most Popular Vertical space between word blocks in a page i |
ϕ EW = maxi f (δw height ) + maxi f (δw horizontal ) | east–west word block expansion parameters in page |
ϕ NS = maxi f (δw height ) + maxi f (δw vertical ) | north–south word block expansion parameters in page |