STOP USING FUCK HUGE .PNG FILES FOR STUPID SHIT

File: 1453595987674.png (42KB, 225x350px) Image search: [Google]

42KB, 225x350px

>>59828197

File: 1478727274577.png (958KB, 1920x1080px) Image search: [Google]

958KB, 1920x1080px

>>59828197
Kys phonefag

File: carol2x(noise_scale)(Level1)(x2.000000).png (4MB, 4384x2992px) Image search: [Google]

4MB, 4384x2992px

>>59828215

File: 1465539413954.jpg (149KB, 1920x1080px) Image search: [Google]

149KB, 1920x1080px

use jpg instead

File: 17796113_1231991886899715_8279105497795552549_n.jpg (30KB, 606x768px) Image search: [Google]

30KB, 606x768px

>>59828215
>>59828239
>>59828304
STOP IT THESE ARE USING UP MY DATA!

Always use PNG for best image quality and no JPEG artifacts

>>59830013
I converted all my jpegs into pngs for long term data preservation.
Also converted my mp3s into flacs to prevent degradation.

File: 19.png (348KB, 540x600px) Image search: [Google]

348KB, 540x600px

>>59828197
Make me, faggot.

>>59828239
>implying
He's probably Australian.

>>59830013
You don't need best image quality when you're just shitposting. Speed should be the priority.

Jpeg is for fegs, png is amazing

>>59830013

dumb as fuck chump, pngs are good for simple images like
>>59828321
and
>>59830115
but sucks shit and takes up a lot of data for shit like photos compared to jpegs even with heavy compression

File: varg-vikernes-2-1160x773.jpg (183KB, 1160x773px) Image search: [Google]

183KB, 1160x773px

>>59828197
STOP MAKING STUPID THREADS

>>59830083
(You)

File: TCL_4K_China.mp4_snapshot_00.33_[2017.04.10_16.33.18]b.png (3MB, 1920x1080px) Image search: [Google]

3MB, 1920x1080px

Compare these two images. Here is the .png file.

The source image is an uncompressed .png screenshot from a 4k video. I have reduced the resolution by 50% in each direction to make it 1080p, and then compressed it with level 1 compression to reduce the original file size from 14 megabytes to a little over 3 megabytes.

File: TCL_4K_China.mp4_snapshot_00.33_[2017.04.10_16.33.18]c.jpg (384KB, 1920x1080px) Image search: [Google]

384KB, 1920x1080px

>>59830632
and a .jpg version using 85% compression and 4:2:2 subsampling

the .jpg file is around 9 times smaller in file size but has image quality nearly the same as the .png

>>59830632
>>59830647
So .jpg master race?

>>59830831
yes

>>59830831
for anything that doesn't have sharp lines.

>>59830632
>>59830647
Just take a look at the sky, we loose some of its blue. Jpg is shit for keeping colors like they really are

File: he didn't compress it.png (3MB, 1920x1080px) Image search: [Google]

3MB, 1920x1080px

>>59830632
>not compressing the image as a png

>>59830647
EW it's horrible

Don'd do that again anon

>>59830632 is objectively better in every way

File: 1487283483624.jpg (143KB, 1920x1080px) Image search: [Google]

143KB, 1920x1080px

>>59828197

File: no_smallest.jpg (3MB, 10000x5352px) Image search: [Google]

3MB, 10000x5352px

>>59828197

File: 1484386329936.gif (26KB, 640x360px) Image search: [Google]

26KB, 640x360px

4chan should automatically convert all images posted to 640x0 gifs with a palette of 2 colors.

File: asd.jpg (248KB, 1868x1000px) Image search: [Google]

248KB, 1868x1000px

>>59831628
Error: Your image contains an embedded file.

File: TCL_4K_China.mp4_snapshot_00.33_[2017.04.10_16.33.18]b.png (733KB, 1920x1080px) Image search: [Google]

733KB, 1920x1080px

>>59830632
You could compress it a little more, you know.

File: TCL_4K_China.mp4_snapshot_00.33_[2017.04.10_16.33.18]b.gif (805KB, 2000x2000px) Image search: [Google]

805KB, 2000x2000px

>>59830632
>>59830647
thoughts on .gif?

File: 1490458279948.png (4MB, 1920x1080px) Image search: [Google]

4MB, 1920x1080px

>>59831754
Wew lad

File: qL9McncK.png (52KB, 963x449px) Image search: [Google]

52KB, 963x449px

>>59830647
Extracted the details from png and jpg given to see the point for png, the tools/filters in most 2D software based on convolution or local pixel will give a far better result with png as long as the png is extracted from raw or act like raw itself : not jpg to png.

File: animugril.gif (26KB, 640x360px) Image search: [Google]

26KB, 640x360px

>>59831686
how did you convert shades of grey to dots in gimp, also why 2 colors when you only need dots

>>59830125
>you will never enjoy the worst combination of 90s and 2017 internet while sniffing gasoline in a fucking desert

File: animugril.png (23KB, 640x360px) Image search: [Google]

23KB, 640x360px

>>59831686
note: png can be compressed a bit more so hiroshimoot can save money on megahertz

>>59831804
>wew an imperceptible difference

>>59831804
magnificent post

>>59831552
>2.87 mb

>>59831804
how do .png and .jpg compare? >>59830632 >>59830647

>>59830859
>>59831562
The image is every so slightly worse, but consider that 99% of the images posted on 4chan are just dumb memes. There is no reason to use .png and have file sizes over 1mb for some dumb frog post.

>>59831754
I intentionally left the .png on the large side to show the difference in quality between a larger .png file and a smaller .jpg

I thought exactly the same the other day

4chan should resample the images
some of them are clearly bad optimized
the phone screenshots and pictures in paritcular

>>59832006
o

File: dither.Polkka.png (9KB, 640x360px) Image search: [Google]

9KB, 640x360px

>>59831936
>in gimp
Don't use Gimp, use Krita instead.

I implemented my own dithering lib. Read this if you want to know how it works, especially chapter 3.
http://caca.zoy.org/study/index.html

>>59831947
I need to find a better PNG encoder than Go's stdlib one. Not sure I want to use an alpha channel since images may be displayed on dark backgrounds.

>>59831962
Compare the sky on the top-right.

>>59832021
maybe if a file is larger than 1mb for most boards it should compress and resize

for specialized boards and files under 1mb it should do nothing

File: frog.png (772KB, 6000x3850px) Image search: [Google]

772KB, 6000x3850px

>>59831995

File: the-rock-eyebrow_medium_720p.jpg (223KB, 1370x720px) Image search: [Google]

223KB, 1370x720px

>>59831686
I actually really, really, really want a board with an ultra low file size limit and no other subject for discussion so 4chan will have another general discussion board BUT the conversation will be limited to creative meme use through the file size limit, as well as porn and /soc/ fags mostly kept out. I think it could be a really great board.

File: 1491857870106.png (2MB, 720x732px) Image search: [Google]

2MB, 720x732px

>>59831995

>>59831918
How'd you make this?

File: 170410cgpdwgbwheei.png (790KB, 938x669px) Image search: [Google]

790KB, 938x669px

>>59828197

File: 1491857870107.png (2MB, 720x732px) Image search: [Google]

2MB, 720x732px

>>59832076
even BBEETERR

>>59830632
Link the original screenshot if you want to play around with it.


https://mega.nz/#!xgxSzTbJ!H0rc1gzkQSIjXoU6KgcRryAk_ok6t9E8mWU0gdOpSIc

>>59832060
I'm working on a BBS "image" board (meant to be accessed via SSH) that uses braille characters to represent images, it'll be fun.

>>59832161
>using mega
Lurk more kiddo.

File: 1486350082873.jpg (90KB, 957x621px) Image search: [Google]

90KB, 957x621px

>manga scans and translators
>use jpg

>>59832178
Nothing wrong with mega.

>>59832149
PNG IS GREEEEEEEAT

>>59832178
mega is fine

File: 1491857870108.png (2MB, 720x732px) Image search: [Google]

2MB, 720x732px

>>59832237
FROGURT FILE

File: 23406.png (4MB, 1200x1156px) Image search: [Google]

4MB, 1200x1156px

>>59828197
no

File: jpeg.jpg (116KB, 2000x2060px) Image search: [Google]

116KB, 2000x2060px

>>59830647

>>59832221
>>59832261
Everything's wrong with mega when you have a thousand pomf clones to chose from that let you access uploaded files directly.

https://u.nya.is/ckoabb.png

>the humble .png is killing off all the poverty stricken underage and dumb student mobileposters

The solution was there all along, use up all their data and they'll finally fuck off.

>>59832360
pomf could be gone tomorrow. mega links last the longests

File: bpg-comparison.jpg (85KB, 640x273px) Image search: [Google]

85KB, 640x273px

So when are we FINALLY going to replace JPEG with something that isn't based on 1980's algorithms?

>>59832425
use ipfs

File: 1464084924898.jpg (120KB, 2002x2062px) Image search: [Google]

120KB, 2002x2062px

>>59832356
We can be stronger

>>59832425
Does your test image you wanted to share with this thread really need to stay accessible for that long though?
Besides it's like people already forgot what happened to megaupload. If you want your files to stay accessible longer you should host them in a distributed way.

>>59832449
This.

>>59832123
custom app the code is ~
lum = (r+g+b)/3
if lum_currentpixel >= lum_sum_nearpixel = black_pixel
else white_pixel

File: 1488000119254.png (2MB, 1276x718px) Image search: [Google]

2MB, 1276x718px

>>59828197

File: Screenshot - 11052016 - 04:42:29 PM.png (215KB, 465x391px) Image search: [Google]

215KB, 465x391px

JUST USE THE COMPRESSIONS FOR WHAT THEY ARE MADE FOR GODDAMMIT
JPGS FOR FOR REAL LIFE SHIT
PNGS ARE FOR THE MONGOLIAN CARTOONS

File: mega.jpg (33KB, 592x328px) Image search: [Google]

33KB, 592x328px

>>59832178
Mega is a pretty cool guy.

>>59830859
I'm not seeing any difference

File: meme.png (9KB, 403x497px) Image search: [Google]

9KB, 403x497px

>>59832036
neat, you have gone in pretty deep to the point of automatically adjusting shades of grey and things to suit the human eye

http://caca.zoy.org/study/part4.html

[spoiler]I used tinypng.com[/spoiler]

>>59832509
He's full of shit.

Open each picture on a separate tab and flick between them.
They are visually identical.

He's probably comparing them side-by side on a shitty TN panel with terrible viewing angles.

File: carol2x(noise_scale)(Level1)(x2.000000).jpg (574KB, 4384x2992px) Image search: [Google]

574KB, 4384x2992px

>>59828304

File: 1460867686524.jpg (903KB, 2012x2072px) Image search: [Google]

903KB, 2012x2072px

>>59832516
>you have gone in pretty deep to the point of automatically adjusting shades of grey and things
I only implemented existing algorithms though.
Also I haven't implemented anything from chapter 4 yet since I think Floyd-Steinberg Error Diffusion already looks good enough.

>>59832460
STRONGER

>>59832477
Near pixel just being 8 neighbors?

File: carol100x.jpg (485KB, 10000x6825px) Image search: [Google]

485KB, 10000x6825px

>>59832585
you are like a little child

>>59832178
Make it so the "images" have to be ANSI art.

>>59832594
Exact

>>59832695
No, braille.
See https://pastebin.com/raw/rjGMWvBL
Or curl it, it looks better in a terminal.

File: NoTreadPls4.png (421KB, 2000x1359px) Image search: [Google]

421KB, 2000x1359px

>>59828197
It's because fags take screenshots or save images on their phone and don't know how to convert. The most egregious offense are those 3 MB screenshots of some still frame of a 1080p YouTube video saved as a .PNG

Nobody that has been on imageboards for over 4 years would make this mistake. It is telling of absolute newfaggot retards

WWWWWWWXOOKXNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNK0KNWWWWWWWWWWWWWWW
WWWWN0OO0KXNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNXKKKNWWWWWWWWWWWW
WWXOkOOOKNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNKKKNWWWWWWWWW
0xdkOOOKNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNXK0NWWWWWWW
:;;dOO0XNNNNXNNNNNNNWWNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNXOKWWWWWW
,,,:kO0NNNXKXNNNNNNNNNNNNNNNNNNNNNNNWNNNNNNNNNNNNNNWWN00NWWWW
,,,,xk0XNX0KXNNNNNNNNNNNNNNNNNNNNNNNWNNNNNNNNNNWNNNNNNX0kXWWW
,,,,okkKXOO0NNNKXNNNNKKNNNNNNNXXNNNNNNNNNXXNNXKNNNNKKNNOOkXWW
,,,'lkkkOkO0XNKkKNNNXk0XNNNNNNkKNNNNNNNNNXONNN0NNNNN0XNKxOkNW
,',,:xxxxkkk0KkOOKXNOkO0XNNNNKkXNNNNNNNNNNONNNK0NNNNXONKxxk0W
,;;;lxxdokkkkdxkkkkOdkOOOKXNNOOKXNNNNNNNNNOXNNNxKNNNKkOOOdkxX
cdxxxxxdoxxkkokkkkkxokkkkOOOk00O0KNNNNNNNNx0NNNOxKK0OOdkkddkO
oxodxxxdoxxxxlkkkkklokkkkkkkxN0OOOO0KKKK00kkO0Okokkkxkdkkkokd
lxxodxxodxxxdckkkkkldkkkxxkxkW0xdkOOOOOOOkkkkxkxdxkkdddkkklkx
doxxdoxodxxxdokkkkxdokkkkkxoONKddkOOOOOOOdOxxkkdkdkkxddkkkdxx
kdokkxdcdkkkxxkOOOxKxOOOOO0kNWNkkO00OOOOOONk00OkKxOOOodkkkkkx
kkddkkkxdkkkxNNNNNNWNNNNNNNWWWWWWWWWNNNNNWWNWWNWNXXX0okkkd0Ox
kkkkkkkkokkkxNWWWWWWWWWWWNKXXWWWWWWWWWWWWNXXXWWWWWWWXdOxOOWk0
kkkkkkkkdxkkxWWNOdddxxxxxkkkOXWWWWWWWWWWWKKKK00000KNKxOOWWWWW
kkkkkkkkxokkxNNKldxxd;;;;:dldONWWWWWWWWN0oc:,,;:::kXkxOkNWWWW
xkkxkOkxkddkdNWW0OWWNc::c:okWWWWWWWWWWWWWWWk::ld0xWXddkkWWWWW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>>59832752
The internet is so fast why would I bother?

>>59832808
>my internet is so fast and I don't have to pay for the hosting or serving so why should I bother

fixed.

>>59832631
zoom in and its pretty bad

File: 1491415564331.jpg (36KB, 284x378px) Image search: [Google]

36KB, 284x378px

>>59832841
Correct.

>>59832870
it's twice the size, who cares

File: Screenshot_2017-04-07-01-48-58.png (2MB, 1630x1440px) Image search: [Google]

2MB, 1630x1440px

>>59832752
I do this all the time and I've been here since like 2011.

>>59832902
people who zoom in

File: 1491866239524.jpg (45KB, 639x621px) Image search: [Google]

45KB, 639x621px

>>59832593

>>59832917
well if you want a perfectly upsized 10K image of carol you let your own GPU sweat

>>59832947
i don't, 4384x2992 is big enough

>>59832745
Cool, though I'd say to limit the width to something like 60-70 characters so it sits comfortably within an 80 column window.

>>59828197
wow, varg got old.

>>59832446
>315kb + 17kb = 85kb
yeah no, you're wrong.

>>59832973
I was thinking the double. 320 pixels wide, so 160 columns and 100 lines max.
80 columns is unfortunately just a bit too small to resolves certain details.

File: 1491846264660-1.png (2MB, 764x720px) Image search: [Google]

2MB, 764x720px

>>59828197
Here you go op I optimized ur file

File: 1491865708210.jpg (171KB, 2012x2072px) Image search: [Google]

171KB, 2012x2072px

>>59832593

>>59828197
'no'

>>59828197
HAHAHAHAHAHAHA

HAHAHAHAHA

>>59830830
>>59830830
>>59830830
>>59830830
Ahhahahahaahahahaa
>>59830830
>>59830830
>>59830830

>>59832509
>>59832576
I posted those pics and he is right. There is banding in the sky in the .jpg image. However, my point still stands that .jpg is preferable for posting photos on the internet which are not intended for archival use.

>>59828197
Compression. Compression is the future

File: 1488503477809.png (3MB, 3090x2916px) Image search: [Google]

3MB, 3090x2916px

check me out i made this photo

File: chaika.png (3MB, 10000x10000px) Image search: [Google]

3MB, 10000x10000px

>>59828197
KANSHA

File: 1491857681246.jpg (21KB, 1920x1080px) Image search: [Google]

21KB, 1920x1080px

>>59831754
You could compress it a little more, you know.

>>59833506
what program to compress like this?

>>59834161
good ol' GIMP

>>59834236
>>59834161
jpegoptim works just as well

>>59831628
i loled gj anon

>>59830231
But then I have to keep changing the filetype back and forth when I save non-shitpost stuff.

>not saving all your images as uncompressed bmp

>>59835098
>having any image smaller than a 10MB TIFF