[yathern]

Yes, but it wouldn't save any space. As a thought experiment, think of it this way:

How would we enumerate all these several gazillion image possibilities?

Well. Let's say number one is all black. Every pixels and every channel is all zero in its value. And let's say the last image to be enumerated is all white. 255 for each pixel and each channel.

Every conceivable image is created in between these two ends. For example, image two is all black, but the last pixel has a value of 1 instead of 0 for its value channel.

Image 1840274917 has pixel 27581 slightly reddish.

Hey, wait a minute, you've just created an image format for describing the data within the image! The only space you're saving is that (given this format) you save space on darker images, because they're likely lower in the sequence.

But that's only because this specification demands that each image be the same exact size and can make assumptions based on that. A lossless format like PNG would be able to perform much better over a wider range of images. (Eg all white will be huge in our system, but cheap in PNG)

[rrauenza]

This numberphile video discusses a similar concept:

The 'Everything' Formula - http://youtu.be/_s5RFgd59ao