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mcherm : images   34

A new image format for the Web  |  WebP  |  Google Developers
Google's new image format. It's smaller than png or jpeg. It does lossless and lossy.
images  webdevelopment  webdesign  webdev 
july 2019 by mcherm
A file that’s both an acceptable HTML page and a JPEG
Apparently you can smuggle lots of interesting information inside an image. It's a possible simple technique for stenography.
images  html  via:HackerNews 
september 2018 by mcherm
Primitive for macOS - Tool to make SVGs that mimic a pixel image
This tool creates a minimal vector-based image that approximates a pixel image.
images  art  svg 
november 2017 by mcherm
Using SVG as placeholders — More Image Loading Techniques
Using SVG to generate low-res placeholders (while waiting for the high-res images to load).
webdesign  svg  images 
november 2017 by mcherm
lcamtuf's blog: Pulling JPEGs out of thin air
They have a fuzzer that monitors the branches taken by the program it is fuzzing input for. Starting from nothing and running it on an image processing program they managed to evolve valid JPEGs. Maybe fuzzers are better than I think!
testing  programming  images  via:HackerNews  ai 
may 2017 by mcherm
Beware of Transparent Pixels - Adrian Courrèges
When drawn half a pixel over, the color of the 100% transparent pixels in your image can bleed through. How to fix it.
images  transparency  gamedev  gameprogramming  via:HackerNews  color 
may 2017 by mcherm
Google reduces JPEG file size by 35% | Ars Technica
New compression algorithm (fully compatible with decompressers) is supposedly optimized for human perception.
imageprocessing  images  compression  ArsTechnica  via:reddit 
march 2017 by mcherm
H.264 is Magic
A really fabulous layman's explanation of how video compression obtains such spectacular compression rates.
compression  video  images  via:HackerNews 
november 2016 by mcherm
500 Byte Images: The Haiku Vector Icon Format | Leah Hanson
A vector image format for very simple images that is designed to be very small.
images  via:HackerNews 
september 2016 by mcherm
Zopfli Optimization: Literally Free Bandwidth
A good compression algorithm to produce really small png images.
compression  images  png  JeffAtwood  via:CodingHorror 
march 2016 by mcherm
Reuters bans submission of RAW photos: “Our photos must reflect reality.” | Ars Technica
To avoid having photographers edit their photos, they are requiring an inferior image format (JPEG) where modification tends to be easier to detect.
photography  images  ArsTechnica  via:ArsTechnica 
november 2015 by mcherm
FLIF - Free Lossless Image Format
A format that claims to compress better than any other file format in wide use. Is brand new and has an unacceptable license (GPL).
algorithms  compression  images  via:HackerNews 
october 2015 by mcherm
Magic PNG Thumbnails - Tristan Hume
Pictures that render differently depending on whether gamma correction is working.
via:HackerNews  images  color  graphics 
september 2015 by mcherm
Clipart - High Quality, Easy to Use, Free Support
Has some decent selection of creative-commons-licensed clip art.
useful  images  opensource  creativecommons 
may 2015 by mcherm
The evolution of Laura Croft
Provides a wonderful illustration of the evolution of computer image rendering.
via:reddit  images 
march 2015 by mcherm
We don’t need new image formats: Mozilla works to build a better JPEG | Ars Technica
JPEG specifies decoding, not encoding. Mozilla finds a way to make images that are 5-15% smaller and releases it free.
images  jpeg  compression  mozilla  ArsTechnica  via:ArsTechnica 
july 2014 by mcherm
Visual Cryptography
Use cryptographic secret sharing to hide data in some images that can only be found by combining them.
cryptography  images  secretsharing  via:reddit 
november 2013 by mcherm
TIL The whole truth about Lena [nsfw] : programming
The traditional image used to test image processing is a clip from Playboy.
via:reddit  images  graphics  gender 
may 2010 by mcherm
Gamma error in picture scaling
The scale of luminosity is not linear, it is logarithmic. Nearly all image scaling algorithms fail to take this into account.
color  light  images  graphics  interpolation  algorithms  via:reddit 
february 2010 by mcherm
Generation Loss on Vimeo
This is why you don't resample images unnecessarily.
via:boingboing  images  compression 
march 2009 by mcherm
Optimize all your PNG and JPEG images with one command using imgopt | lyncd.com
Somebody sticks together a script to run all the image size optimization tools one after another -- apparently the results are noticeably better than running just one of them. Also I hadn't realized that tuning your compression algorithm made this much difference.
compression  optimization  webdevelopment  webdesign  graphics  images  programming 
march 2009 by mcherm
Genetic Programming: Evolution of Mona Lisa « Roger Alsing Weblog
Using genetic programming to "draw" images that match a given photo using a small number of polygons.
programming  geneticalgorithm  images 
december 2008 by mcherm
True-Color GIF Example
It's not well-known, but the GIF format CAN support more than 256 colors -- it just creates enormous file sizes.
via:reddit  color  images  GIF 
september 2008 by mcherm
Wordle - Beautiful Word Clouds
A useful tool to build "word clouds" that make neat use of typography.
useful  via:NedBatchelder  typography  cloud  images  webdesign 
june 2008 by mcherm
Zenfolio | Michael Chermside
The site I am using to post my personal pictures.
photos  useful  images  personal 
april 2008 by mcherm
compfight / a flickr™ search tool
A tool to search flickr for creative commons licensed images. Works a bit better than flickr's own search.
via:boingboing  flickr  useful  search  pictures  photos  images  creativecommons 
march 2008 by mcherm
Zenfolio | hosting service for photo galleries | a place to learn and enjoy photography
Image hosting site that I chose after a bit of research. (Close runner-ups were Flickr and Picasa.) I'll have a better idea of value after I've tried using it.
useful  images  photography 
march 2008 by mcherm
Brian's Blog: Photo- and Video-sharing sites
I've been searching for reviews of photo sharing sites, and this blog entry is the best I've found!
reviews  images  personal_net 
march 2008 by mcherm
mosaique
Some Escher-like plane-tiling pictures, also shown projected onto other surfaces than a plane.
images  escher  drawing 
february 2008 by mcherm
How do I batch-convert SVG files into PNG files?
Instructions on running Inkscape in batch mode.
svg  images  inkscape 
december 2007 by mcherm

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