[sane-devel] backend Kodak i260 Image depth 48 bits stream. How is coded?

m. allan noah kitno455 at gmail.com
Sat Aug 30 01:30:43 UTC 2008


On Fri, Aug 29, 2008 at 9:24 PM, m. allan noah <kitno455 at gmail.com> wrote:
> On Fri, Aug 29, 2008 at 8:52 PM, Jose Guadalupe Osuna Chavez
> <jose.chaves at sat.gob.mx> wrote:
>>
>>        Another weird thing about bit depth is as a result of the read_imageheader command I get values of: 2400 width, 2176 length with a total image bytes of 7833600. That doesn't match with an image of 2400 x 2176 x 6 bytes per pixel.
>
> sounds like it is compressed. i think the 48 bit value is a red
> herring. the i1860 requires something like 96 bits in that spot, even
> though it only scans in 24 bit color.

is that only 1.5 bytes per pixel? i suppose the output could be
something like 8bits of Y with 2 bits each for Cb and Cr? that seems
like too little data to be useful. do you have the image that the
kodak software produced?

allan
-- 
"The truth is an offense, but not a sin"



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