#apertus IRC Channel Logs

I expect it will end up around 10k

who am I to say this ? just a random guy

wb dmj_nova!

do you still remember me? :)

good good ... *G*

well, the web pages basically show the current status, we are working behind the scenes on noise, calibration and moving pictures

which finally got rid of the lvds issues

+grammar

Good Morning from Singapore!

Rambutan2000: what's new in singapore?

yeah, like 30°C I guess, no?

Sorry haven't been on much, everyone has come back from holidays at work this week so a bit busy, I've been think of some design stuff, se6astian I'll PM you when I've got something to show

morning everyone!

Bertl: not intentionally :P

hello

how's it going?

yeah :0

but thought I'd see if I can get a calibration to work

yes, please. I don't know if I have any programs installed right now that can do that

okay, give me the md5sum of the raw you need corrected

okay, got it

imagemagick

I'll give you the commands once I'm done

np, will upload the corrected file as 16bit rgb png?

hmm… guess perspective correction is an option that wasn't turned on in Argyll… I'm trying it now

average error is now 12.5%

sure

I tried running the profiling on the chart with no rotation/cropping and the mean error was 40%

still no idea what those percentages actually mean

:)

i would guess that once it generates the matrix it applies each patch through the matrix and computes an error from the expected XYZ values

did you see that Truesense imaging provides calibration matrices for each sensor? Obviously that doesn't account for differences between individual sensors or batches, but I would be their calibrations are more advanced then ours

'ours' being 'cmosis' :)

yes? .. I'm not convinced they do/have/care :)

I think Truesense might care more than CMOSIS

yes, sounds interesting

(the medium format CCDs)

they said instead of camera link and GigE they can provide a ribbon cable that has the output of their processing that they would feed to the Camera Link chip

they expressed interest in the zed board (they hadn't seen it before I guess), and were wondering if it could be used to record to an Sata SSD

well they have a lot of built in options like LUTS, FPN reduction, etc.

sensor board, fpga/microprocessor board, power/communications board

full frame or medium format

2-8 frames/second

http://www.illunis.com/support/assets/RMV%20Manual%20Rev%20EA.pdf

okay

I've made 4 different version, I'd be interested in the differences they produce

http://www.illunis.com/oem_custom/oem_custom.html

yeah, I saw that page last time

http://vserver.13thfloor.at/Stuff/AXIOM/it8-tungsten-01-12ms-corr-des.png

let me know if that is sufficient for the tools to find the patches

i'll try it now

http://vserver.13thfloor.at/Stuff/AXIOM/it8-tungsten-01-12ms-corr-enh.png

http://vserver.13thfloor.at/Stuff/AXIOM/it8-tungsten-01-12ms-corr-med.png

I'll try a few more images, but I don't think the perspective/crop/rotate will be able to get us that low

I did some post processing on them which should not affect the calibration but might improve on the noise

http://vserver.13thfloor.at/Stuff/AXIOM/it8-tungsten-01-12ms-corr.png

ok, thanks

I just tried using the matrix with the 12% error in photoshop raw

there is a slight white balance difference

path->patch

I get 15% error with the "med"

can you also run the unprocessed for reference?

the unprocessed that I made using DCRAW was 21%

okay, if the unprocessed gives 15% too, it's just based on geometry

i'm still curious why the canon was so much better :)

even though our noise reduction techniques haven't improved anything thus far

yes, nothing was removed

all post processing is generic stuff

well, I think we should create a perfect chart and see if that gives a perfect score :)

Hi Bertl - Thanks. Just looking at the log & your discussion of sensors

sorry I had to step out

danhanes: Hello. I don't believe we've met. My name is Gabe

great. I imagine Herbert would appreciate help with that :)

I am astonished at what he has accomplished. I did some VHDL a few years ago, and it the skill is slow in returning

I was looking at your discussion just now - is the choice of the CMOSIS part being reconsidered ?

not that i'm aware of

I'm looking into the Truesense Imaging sensors (formerly Kodak)

Much better to collaborate

haha

Kodak had (has) some good CCD tech, but I haven't followed their CMOS parts. Don't know much about the Truesense spinoff

no problem, go ahead ...

then a hw redesign ?

I understand that the immediate need is for a functional prototype prior to crowdfunding. Is there a target spec, or a time-derived requirement ?