Search found 2 matches

by josch
2018-08-19T03:23:28-07:00
Forum: Users
Topic: How to create a group4 compressed tiff with tiff:photometric: min-is-black?
Replies: 4
Views: 7049

How to create a group4 compressed tiff with tiff:photometric: min-is-black?

Hi, I'm trying to create a TIFF file containing CCITT Group4 encoded monochrome data with a photometric interpretation of min-is-black. I tried running the following: $ convert logo: -define quantum:polarity=min-is-black -compress Group4 out1.tif $ convert logo: -compress Group4 -define quantum ...
by josch
2012-03-29T02:55:59-07:00
Forum: Users
Topic: JPEG2000 to PDF without recompression
Replies: 5
Views: 16461

Re: JPEG2000 to PDF without recompression

I wrote a tool that does what you want with JPEG and JPEG2000 files. It just embeds them into the pdf without any re-encoding. If any other file type is given, it is just flate encoded. It can also output a multipage pdf.

https://github.com/josch/img2pdf