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Nathen pointed this out: recursivemuffin:
Lately I’ve been spending a lot of time looking at power plants on Google Earth, because of reasons, and…I am fairly sure…they just got blurred down a lower resolution. Sometime between today and two weeks ago. Can anyone else confirm this, or tell me that I’m nuts, or tell me that I’ve clicked the wrong button somewhere?
I’m not speaking on behalf my employer. Not that it matters – I don’t know a lot of juicy, competition-sensitive secrets about this topic – just might as well be clear that I’m talking as an individual here, as usual.
Nice ruler in feet there, bruh. How many furlongs is that? You say you noticed this in the last fortnight? No, but srsly, how many hands tall do you suppose those buildings are? About how many roods is the blurred area? Just joshin’. So, do you prefer Roman, international, US Survey, or nautical miles? Drams, hundredweight, etc. Archaic units, is my point here, basically.
I can’t speak to this case specifically. I don’t pay attention to Other Imagery Companies’ practices, and I don’t know where this power station is. But a typical process for this kind of blurring is: an imagery distributor asks an imagery company for imagery. The imagery company might get that from, say, a national or subnational government’s aerial surveys. (Purely guessing, but the colors here look aerial-ish.) The survey department decided, or got an order, to blur “sensitive areas” and interpreted that to include power plants. Again, I dunno whether that’s what happened here – I just happen to know it’s the kind of thing that happens.
Two small observations which I am coalescing into one list item because your time is valuable: (a) the © 2013 suggests that you are not crazy, or at least not about this being fairly new; and (b) the blurring looks like, instead of adding something like Gaussian blur, they simply turned the quality way, way down in that area, because it has the distinctive north-south/east-west wavelet humps of JP2 artifacts (JP2 is a popular remote sensing archival format), as opposed to, say, the rainbowy 8×8 blocks of low-quality JPEG compression. This doesn’t tell me anything interesting by itself, but if you keep puzzling, it may turn out to be an clue.
Editing to add: you might enjoy the Wikipedia page Satellite map images with missing or unclear data.
Date liked: 2013/07/07 02:07:16
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Liked from: Tupperwolf
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