Search found 4 matches

by j689
2016-12-15T15:08:32-07:00
Forum: Users
Topic: JPEG file size increase with upgraded version
Replies: 12
Views: 10397

Re: JPEG file size increase with upgraded version

Very baffling. I run the same commands, and get a much larger file size with the 6930 version of imagemagick. $ pdftoppm menu_pinnacle_grill_dinner.pdf foo Error: Mismatch between font type and embedded font file Error: Mismatch between font type and embedded font file Error: Mismatch between font ...
by j689
2016-12-15T14:37:43-07:00
Forum: Users
Topic: JPEG file size increase with upgraded version
Replies: 12
Views: 10397

Re: JPEG file size increase with upgraded version

In this case,
pdftoppm menu_pinnacle_grill_dinner.pdf foo
This produced three ppms, I tried using convert with just one (foo-1.ppm) or multiple (foo*.ppm). Both produced an order of magnitude difference in size.
by j689
2016-12-15T14:09:29-07:00
Forum: Users
Topic: JPEG file size increase with upgraded version
Replies: 12
Views: 10397

Re: JPEG file size increase with upgraded version

Both systems have libjpeg.so.62 The pdf usually has a few images that are extracted to multiple ppms and then combined to one jpeg, thus the use of -append. The same source file is used on both systems. A sample pdf is: http://www.hollandamerica.com/assets/cruise-vacation-onboard/menu_pinnacle_grill ...
by j689
2016-12-15T13:17:49-07:00
Forum: Users
Topic: JPEG file size increase with upgraded version
Replies: 12
Views: 10397

JPEG file size increase with upgraded version

I'm converting a pdf to a jpeg on linux. I run it through pdftoppm to get a ppm file, and then convert the ppm to a jpg using Imagemagick. However, when I use a newer version of imagemagick, the jpeg filesize is an order of magnitude larger with the same command and same source file. The command I ...