Home > Archive > Compression > October 2006 > Re: "Real WMV", 148.50 mhz sample-rate, 1920 X 1080 progressive scan image,
You are viewing an archived Text-only version of the thread.
To view this thread in it's original format and/or if you want to reply to
this thread please [click here]
| Author |
Re: "Real WMV", 148.50 mhz sample-rate, 1920 X 1080 progressive scan image,
|
|
| Gene E. Bloch 2006-10-31, 6:55 pm |
| On 10/31/2006, Pete Fraser posted this:
> "Lionel" <usenet@imagenoir.com> wrote in message
> news:c7odk25bng8pcj7306re7u4aggkv5ahd5i@
4ax.com...
>
> Yes it can.
>
> If I take a 1024 x 1024 x 8 monochrome image, I can apply error
> feedback and reduce it to 1024 x 1024 x 1 using error feedback.
>
> I have taken 1 MB of data, and reduced it to 128 kB.
> If that doesn't fit the definition of a 1-bit color-depth, I don't know
> what does.
>
> There will be no posterization.
I bet that decent (monochrome) dithering could also give a result of
reasonable quality, but I admit that this is speculative.
--
Gene E. Bloch (Gino)
letters617blochg3251
(replace the numbers by "at" and "dotcom")
|
|
|
|
|