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

Eric Sharkey eric at lisaneric.org
Thu Dec 3 19:23:44 UTC 2015


On Thu, Dec 3, 2015 at 8:40 AM, Michael T. Dean <mtdean at thirdcontact.com> 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.

Eric


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