[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?
"The truth is an offense, but not a sin"
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