[sane-devel] Sane backend for an intraoral X ray camera

[m. allan noah]

usbmon is truncated, and the final image is necessary to determine top
vs bottom, left vs right, etc. So we need a wireshark and an image
from the same scan.

allan

On Sun, Dec 13, 2020 at 9:45 PM Mayuresh <mayuresh at acm.org> wrote:
>
> On Sun, Dec 13, 2020 at 05:08:31PM -0500, m. allan noah wrote:
> > I don't see anything immediately obvious in the protocol, but we
> > really need to see some scans. Even without the xray source we may
> > learn something. But certainly the xray source, and the final image
> > produced by the windows software will be required to be sure.
>
> Right now I am having the attached usbmon output where 2 back to back
> snaps (x rays) were taken. This one has missed some initial part which is
> present in the previous snaps (wireshark and usbmon) that I attached.
>
> The final image produced by windows software is probably not of much use
> for the protocol for 1. It is compressed while the device returns raw.
> Both snaps consistently show 3648832 bytes were returned as bulk out by
> the device while the final images are around 1MB. 2. It adds additional
> information such as patient name, date etc which is not really coming from
> the device. So wireshark/usbmon may offer better clues than image produced
> by the windows software.
>
> Will try and share the image over some time.



-- 
"well, I stand up next to a mountain- and I chop it down with the edge
of my hand"