[opendtv] Re: Math of oversampling - a simple comparison
- From: Tom Barry <trbarry@xxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 27 Apr 2005 00:30:25 -0400
Bob Miller wrote:
> Am I right that the dividing line runs through Leno's left eye?
>
> Bob Miller
No, it should be in the center of the picture, through the guys
knee. It's easier to first shrink the picture and see where the
center is, then enlarge and compare.
- Tom
>
> Tom Barry wrote:
>
>
>>Doug -
>>
>>Okay, here's one from Leno. I had to wait to record it last
>>night. As before the left half of the image is the original and
>>the right half is filtered to an effective 1/4 resolution of only
>>960x544, though no actual resizing was done.
>>
>>As you suggested, a discerning viewer can probably tell the
>>difference a bit more easily here. I'll let everyone else decide
>>whether it looks like it justifies 4 times as many pixels, though
>>of course not 4x the bandwidth.
>>
>>See: www.trbarry.com/Leno_1080p_compare_qtr_rez.jpg
>>
>>And for Internet Explorer users, be sure to remember to zoom it to
>>full size before comparing since your browser may otherwise just
>>auto-fit it to your screen.
>>
>>- Tom
>>
>
>
>
>
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