SSTF@lemmy.world to Greentext@sh.itjust.works · 1 day agoIt's insidiouslemmy.worldimagemessage-square39fedilinkarrow-up1432arrow-down12
arrow-up1430arrow-down1imageIt's insidiouslemmy.worldSSTF@lemmy.world to Greentext@sh.itjust.works · 1 day agomessage-square39fedilink
minus-squareDeconceptualist@lemm.eelinkfedilinkEnglisharrow-up8·1 day agoWhy is that PNG file 1.3 MB? Is it huge or just unoptimized? Is someone using it as a fullsize Quark poster or something?
minus-squareRecluseRamble@lemmy.dbzer0.comlinkfedilinkarrow-up20·edit-21 day agoPNG is lossless and its compression not well suited for photos. It doesn’t even have to be huge to get a photo PNG of that size.
minus-squareDeconceptualist@lemm.eelinkfedilinkEnglisharrow-up2·edit-211 hours agoIt’s not TIFF. This isn’t NASA imagery. PNGs do alright on compression for photos. (at least I hope NASA hasn’t captured images of Quark)
minus-squarePhoenixz@lemmy.calinkfedilinkarrow-up1·8 hours agoPNG can zip but it’s lossless, joh can lose data, and the difference is very significant
minus-squareuser134450@feddit.orglinkfedilinkEnglisharrow-up1·14 hours agoHow would you make a lossy PNG? Just introduce errors randomly? That makes no sense.
minus-squarefrayedpickles@lemmy.cafelinkfedilinkEnglisharrow-up1·edit-29 hours agoBy reading google or the wiki Process data so DEFLATE works more efficiently
minus-squareqjkxbmwvz@startrek.websitelinkfedilinkarrow-up2·22 hours agohttps://i.4cdn.org/tv/1731965185545995.png Via https://boards.4chan.org/tv/thread/205945455
minus-squareDeconceptualist@lemm.eelinkfedilinkEnglisharrow-up1·11 hours agoNice find. That one tells me 1401x1705 and 0.86 MB.
Why is that PNG file 1.3 MB? Is it huge or just unoptimized? Is someone using it as a fullsize Quark poster or something?
PNG is lossless and its compression not well suited for photos. It doesn’t even have to be huge to get a photo PNG of that size.
It’s not TIFF. This isn’t NASA imagery. PNGs do alright on compression for photos.
(at least I hope NASA hasn’t captured images of Quark)
PNG can zip but it’s lossless, joh can lose data, and the difference is very significant
Can be lossless
How would you make a lossy PNG? Just introduce errors randomly? That makes no sense.
By reading google or the wiki
Process data so DEFLATE works more efficiently
https://i.4cdn.org/tv/1731965185545995.png
Via
https://boards.4chan.org/tv/thread/205945455
Nice find. That one tells me 1401x1705 and 0.86 MB.