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Comment by medecau | Hacker News Reader

TL;DD (Too Large, Didn't Download)

I did search google for "Obstruction free Photography" and there is one video on youtube that explains the technology and provides examples.

https://www.youtube.com/watch?v=xoyNiatRIh4

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The file is 31mb. The video you linked is 75 mb in 720p.

The PDF took 67s to download. The YT video plays immediately.

PDF.js can stream the file just fine, it'll start displaying the first page before it's finishing loading the rest.

However the video is available in 144p, and starts playing before it's finished loading. The PDF takes (for me) an irritatingly long time to load in chrome, and the images require me to zoom right in to get even close to the same resolution as a fairly low quality video stream.

Well, for me in Chrome, it took 9 seconds, so Chrome has nothing to do with it. In any case, it's a professional paper for professionals to study and download time is not an issue.

But all that is OT anyway.

the bottleneck is at the source

Remarkable results, especially the 'removed' artefact turning into another clear picture.

It does have a lot of example photographs in it, but it's only 32Mb.

Look like one side effect is removing anything that move, like the cars in one example in the video...

This seems to be a trend with academic articles. I don't think they have bosses saying "that's great but Page Speed says..."

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