Search results for: CCITT encoding in PDF files

CCITT encoding in PDF files – Decoding G31D CCITT…

Now to complete the series on CCITT, I will go as in-depth on how to decode a G31D encoded PDF file. G31D CCITT is...
Chika Okereke
2 min read

CCITT encoding in PDF files – G31D CCITT data…

In my second article on CCITT encoding I am going to explain exactly how 1D decoding works. Just to make life complicated, this can...
Chika Okereke
1 min read

CCITT encoding in PDF files – Decoding CCITT data

As part of the rewrite of our Java CCITT Decoder, I have spent a lot of time with the format. It is quite a...
Chika Okereke
1 min read

CCITT encoding in PDF files – rows and height…

While rewriting our CCITT decoder (almost finished!) we came across an interesting item to take care of. When reading the values of a CCITT...
Mark Stephens
1 min read

CCITT encoding in PDF files – black and white…

CCITT encodes black and white data. It does this by encoding runs of black or white pixels. This data can be stored using one...
Mark Stephens
1 min read