[mythtv-users] OT: 4K TV. But why (yet)?

Michael T. Dean mtdean at thirdcontact.com
Thu Dec 3 19:57:53 UTC 2015


On 12/03/2015 02:23 PM, Eric Sharkey wrote:
> On Thu, Dec 3, 2015 at 8:40 AM, Michael T. Dean wrote:
>> FWIW, there's more information in a 1920x1080 pixel image than can be
>> displayed with a 1920x1080 pixel display--it actually takes an output
>> display of almost 2x the sample width and 2x the sample height to render all
>> the information provided by an image.
> Sorry, no.  The information isn't in the image.  When you upscale an
> image to a higher resolution, you can employ all the fancy edge
> detection and other enhancements you want, but you're extrapolating
> and guessing when you do that.  What you're looking at is basically
> equivalent to an artist's rendering.  It may look good, but it's not
> information from the original image.  1080p upscaled to 4K is not real
> 4K.

Well, I suppose you'll never get a job working for NASA or the NSA or ...

Mike


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