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720p VS 1080p - can you REALLY actually tell the difference?
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ZiNgA BuRgA
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Post: #1
720p VS 1080p - can you REALLY actually tell the difference?
Here's a little test I'm somewhat interested in.
Many people seem to base a lot of things about video quality on numbers, primarily the resolution, it seems.  So much so, that people naturally take that 1080p should look significantly better than 720p.
I decided to test something like that - does 1080p look objectively better than 720p for most people?  Note that I'm using a high quality resampler here though, so in reality, 720p might not look so good if you're relying on the upscaler that your media player etc uses.

Anyway, here's 3 1080p images, taken from the Big Buck Bunny trailer.  ONE is an upscale of a 720p image (in other words, 1080p » downscale to 720p » upscale back to 1080p).
Can you identify it?
(yes, I have deliberately chosen different scenes, so you can't easily do overlay compares to see which one it is)
EDIT: yes I know some images may have more detail than others, but I've chosen these as the original 1080p images contain sufficient detail when heavily scrutinised.

I've put the images in links, as they're quite large PNGs.
If you wish to conduct this test, please do so without looking at other posts before you make yours, so that what you see isn't distorted by other peoples' opinions - I'm leaving a gap after this post for this reason.
Also, please state what made you choose one over the others, and how you viewed the image (ie did you zoom in?  just look at it?).
Thanks

Now the images:
http://zingaburga.com/upload/a.png
http://zingaburga.com/upload/b.png
http://zingaburga.com/upload/c.png





        


































Results: http://endlessparadigm.com/forum/showthr...#pid275932
(This post was last modified: 23/12/2009 02:05 AM by ZiNgA BuRgA.)
21/12/2009 05:31 AM
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gsmoke
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RE: 720p VS 1080p - can you REALLY actually tell the difference?
Spoiler:
I think the B one is the upscaled.

Why : i dunno , i just sense it.

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(This post was last modified: 21/12/2009 06:24 AM by Assassinator.)
21/12/2009 05:37 AM
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S7*
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Post: #3
RE: 720p VS 1080p - can you REALLY actually tell the difference?
Spoiler:
B & C.

A looks fudgeed up.
(This post was last modified: 21/12/2009 06:24 AM by Assassinator.)
21/12/2009 05:44 AM
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ProperBritish
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RE: 720p VS 1080p - can you REALLY actually tell the difference?
Spoiler:
imma say c is upscaled

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(This post was last modified: 21/12/2009 06:25 AM by Assassinator.)
21/12/2009 05:46 AM
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Vegetano1
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Post: #5
RE: 720p VS 1080p - can you REALLY actually tell the difference?
Spoiler:
720
1080
1080

i def prefer 1080 at home,. but i guess my guesses aint right,. ;p


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(This post was last modified: 21/12/2009 06:28 AM by Vegetano1.)
21/12/2009 06:02 AM
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diego
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Post: #6
RE: 720p VS 1080p - can you REALLY actually tell the difference?
Spoiler:
a is upscaled.

It looks sharpened.
That line under the hole makes me think it was resized and sharpened.
Also b and c look the same quality to me.

just a guess.


EDIT:when will you tell us the answer?

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(This post was last modified: 21/12/2009 06:25 AM by Assassinator.)
21/12/2009 06:13 AM
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S7*
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Post: #7
RE: 720p VS 1080p - can you REALLY actually tell the difference?
Spoiler:
Vegetano1 Wrote:720
1080
720

i def prefer 1080 at home,. but i guess my guesses aint right,. ;p

there are 2 1080s :P
(This post was last modified: 21/12/2009 06:25 AM by Assassinator.)
21/12/2009 06:15 AM
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Vegetano1
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Post: #8
RE: 720p VS 1080p - can you REALLY actually tell the difference?
Senseito7 Wrote:
Spoiler:
Vegetano1 Wrote:720
1080
1080

i def prefer 1080 at home,. but i guess my guesses aint right,. ;p

there are 2 1080s :P

updated,. still guessing its wrong,. ;p


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21/12/2009 06:29 AM
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Method
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Post: #9
RE: 720p VS 1080p - can you REALLY actually tell the difference?
Spoiler:
I think it's a :S


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21/12/2009 06:39 AM
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PSPkiller
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Post: #10
RE: 720p VS 1080p - can you REALLY actually tell the difference?
Spoiler:
Methinks A is upscaled but the diferences are tiny.
Personally though I don't bother with 1080p resolution video. The LCD on my laptop does to 1280x800 and my "HD" TV goes to 1280x720 so anything above that is pointless.

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21/12/2009 06:47 AM
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