One Pixel Cinema | Hacker News Reader

One Pixel Cinema

blog.mattbierner.com

40 pointsingve13 comments

Nice writeup, the dominant color approach looks promising. I've also tried something similar using averaging.

Not sure if this is any better than your solution, but my approach with ffmpeg was this command:

    ffmpeg -i "$myvideo" -r 1 -threads 4 -s 320x240 -vcodec mjpeg img%04d.jpg

The -r flag sets the framerate to 1, which in my understanding gets a frame per second. I also used all the cores of my laptop. The -s flag just does the same thing as your filter, though in my case I also fudged the aspect ratio of the resulting frames. I chose to save in jpeg to save some minuscule space.

In my approach I squashed each frame horizontally to one pixel, so I get vertical slivers that average each frame. Then I just added them all together horizontally. Here is the result of that for Requiem for a Dream before resizing [0] and after [1] to get a better overview. In terms of usefulness it might not give too much information, but it's nice to look at and sometimes you can even spot individual scenes.

[0]: http://i.imgur.com/SgpYOoD.jpg [1]: http://i.imgur.com/pDGvlgb.jpg

Blur that a little bit, and it would make a pretty good wallpaper.

http://moviebarcode.tumblr.com/ does films in a similar manner. I think these things are cool.

So this appears to be at least partially a plug for the authors "Blot're" service, which I wouldn't hold against him (he can blog about whatever he wants!). But I clicked through to blot.re and can't for the life of me figure out what the hell it is. Anyone else have a clue?

> Blot’re is the world’s first IoT ready social network.

https://github.com/mattbierner/blotre

Still not quite sure, but this feels like progress. It uses color to display status updates and has an API so your IoT devices can update their color.

That is Internet of Toasters, not Internet of Things. It appears to be a beautiful and inspired piss-take that may perhaps find value

I came here to say the same, it is super confusing. Something about sharing colours?

Someone at the University of Utah produces and maintains a great piece of image processing software which unfortunately has a pretty complicated CLI UI. It can do this sort of thing and much more with a few commands. It's called Teem, and the SourceForge link is down but it's normally found at teem.sourceforge.net and under the jurisdiction of https://www.sci.utah.edu. If anyone wants a tutorial to it I can link to some given permission from the author.

It's used by at least one artist to do basically this, with Titanic: http://salavon.com/work/TopGrossingFilmAllTime/

I wonder if doing a color median would produce interesting results? That is plotting the colors in 3D space and picking the one closest to the geo-center of the point cloud. Or maybe doing some sort of HLS histogram and picking the most common one? In both those cases you need to deal with the possibility that there's more than 1 "correct" answer, though.

Before clicking on this I was really hoping it was the camera equivalent of the Yo app.

https://itunes.apple.com/us/app/yo./id834335592?mt=8

Similar experiment I did a while back : http://www.bidouille.org/misc/moviemaps

So many instances of "theif"

If the OP is here...

"Kind of memorizing actually" -> "Kind of mesmerizing actually" ?

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