🔒 Extracting a particular title in an article

[sleek chasm]

Hello guys, I was able to extract a paragraph from a pdf only if the paragraph contains a particular keyword. However, I now want to extract the title of the paragraph but I don't know how to proceed, like what logic can I use... for example consider the picture:

I was able to extract the paragraphs: "Le gardien..."

But how do I extract the title which is in blue

[craggy tartan]

@sleek chasm

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[spice leaf]

that's a pretty hard problem. are your pdfs in a standardized format, or at least all created by the same tool?

[sleek chasm]

euh

they are just simple pdf

[sleek chasm]

oh you mean same format each time ?

yeah I think they are of same format each time

[spice leaf]

simple pdf is sort of an oxymoron

text reconstruction is hard in pdfs due to how characters are laid out, in the case that you even have characters

and then even further it sounds like you want to extract some sort of hierarchy from the text

[sleek chasm]

yeah true... do you think it is possible to extract the title like in the picture above ?

[spice leaf]

do you only want to do it for that file?

[sleek chasm]

hmm I will have to do it for multiple pdf later on but if I grasp the concept, should be fine I think

do you want a copy of the pdf ?

[spice leaf]

are the pdfs all in roughly the same layout

just with different text

[sleek chasm]

yeah I think so

[spice leaf]

hmmmm

if they're all of the same format then you can probably get away with a simpler solution

the replies to this stackoverflow thread mention a bunch of different libraries you could try to use to extract the text, https://stackoverflow.com/questions/34837707/how-to-extract-text-from-a-pdf-file

you may need to try a few and use a heuristic to determine if it's the text you're looking for

though it sounds like you've already been able to extract the text of paragraphs

if i were to do this from scratch i would probably parse out all the TJ operators and concat them if they're blue

but that seems a bit involved

[sleek chasm]

hmm what do you mean by TJ operators

[spice leaf]

it's one of the graphics operators for drawing text inside of a pdf

but you shouldn't need to worry about that. these python libraries should be high level enough to get you what you need in an easier way

[sleek chasm]

ok will have a look then, thanks !

[craggy tartan]

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