Search found 4 matches

by jasmine
2018-07-16T03:22:16-07:00
Forum: Users
Topic: Possible to detect compression artifacts?
Replies: 2
Views: 5276

Possible to detect compression artifacts?

Dear all =) When having two or more jpg images that looks like to be the same, but with different sizes, it it temping to think that the biggest is the one with the fewest compression artifacts, but I can find cases where that is not the case, when zooming in. Is there a way to measure with a comman...
by jasmine
2018-07-16T03:10:56-07:00
Forum: Users
Topic: "convert" produces larger files than GIMP?
Replies: 5
Views: 5076

Re: "convert" produces larger files than GIMP?

"compare" gave "75.6471 (0.0011543)" and with "-scale" it is comparable to GIMP.

Thanks a lot for all the help =)
by jasmine
2018-07-13T05:05:25-07:00
Forum: Users
Topic: "convert" produces larger files than GIMP?
Replies: 5
Views: 5076

Re: "convert" produces larger files than GIMP?

Very interesting posts! I have now pngcrushed all images and checked, and the original is 24bit already. Below is the result. The gimp cropped image is still much smaller. The IM version have "2063x2063+621+603". Does that mean I haven't really cropped the image despite it looks like I hav...
by jasmine
2018-07-12T07:36:21-07:00
Forum: Users
Topic: "convert" produces larger files than GIMP?
Replies: 5
Views: 5076

"convert" produces larger files than GIMP?

Dear all =) When I remove white border and scale it down to 1000 pixels in height with "convert" the output is almost not smaller then the original. If I do the same with GIMP, if gets a lot smaller. Here are the results: 1089154 Jun 28 10:34 01005/figs/16/plotFigPureCurve01.png 962120 Jul...