Current Server Time: 08:57 (Central Europe)

#apertus IRC Channel Logs

2014/09/15

Timezone: UTC


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Celia
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Bertl
hey dmj7261! how's going?
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00:41
intracube_
morning
00:48
Bertl
morning intracube_!
00:49
intracube_
hi Bertl :)
00:52
intracube_
I'm curious about the CMV12000's capabilities, like how much control over the read/reset operation is there?
00:53
intracube_
is it possible to read multiple frames but only reset every 25 frames, for example
00:53
intracube_
or is the read/reset a single operation at the hardware level
01:08
Bertl
the sequencer is part of the CMV12k, so by default, the 'reset' happens when you start an exposure, but I wouldn't be surprised if you could change that with some of the still undocumented registers
01:09
Bertl
I know for sure that you can control the various timing aspects with some of those registers, as certain registers were disclosed in one of the application notes
01:19
intracube_
it would be awesome to have control over these things
01:20
Bertl
I'm pretty sure that with some experimentation those settings can be discovered, or maybe just ask Cmosis, maybe they will simply tell you what needs to be done
01:20
intracube_
yep. maybe even a partial reset is possible - where some of the charge in the sensels can be cleared
01:20
Bertl
there are 128 16bit registers and most of them are well documented, so there is only a limited number of undocumented bits to investigate
01:21
intracube_
so for low light applications the image could build up over consecutive frames
01:21
intracube_
would lead to smearing on movement of course
01:22
Bertl
you can definitely control the 'reset' voltages (which is what one of the HDR modes does), so yes, that would be doable I guess
01:22
intracube_
nice :)
01:26
Bertl
there is a publication from somebody doing his phd at cmosis, which pretty much describes how the internal transistor configuration works ... this together with the fact that humans tend to structure data quite nicely might be enough to identify the relevant bits :)
01:28
intracube_
have you got links for this?
01:29
Bertl
I have it somewhere, but I have to dig it out
01:29
intracube_
oh, no problem then
01:30
intracube_
so are cmosis secretive about this sort of data?
01:30
Bertl
http://repository.tudelft.nl/assets/uuid:9aa938da-35d1-457c-a2f5-9215cd068c9b/mscThesis_Xiaoliang.pdf
01:30
intracube_
Bertl: awesome! thanks
01:31
Bertl
well, they are not really secretive, but they only explain what is explicitely requested and/or already discovered
01:32
Bertl
it seems that they want to prevent folks from playing with (maybe even dangerous) settings
01:32
intracube_
ah, right, yes
01:32
intracube_
101 ways to fry a sensor
01:32
Bertl
http://repository.tudelft.nl/assets/uuid:3d4832fb-53f3-4997-84b5-5c5d6bd265b9/thesis_Yang_Liu.pdf
01:33
Bertl
that is the other one :)
01:33
intracube_
thanks
01:33
Bertl
let me know if you find anything else which might be related and/or interesting
01:33
intracube_
will do
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02:38
aombk
Bertl, i believe those phd pdfs would interest alexML_
02:39
Bertl
feel free to forward the links to him
02:47
aombk
oh the irc logs are auto updated
02:59
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04:04
Bertl
off to bed now ... have a good one everyone!
04:04
Bertl
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Celia
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08:20
RazvanToma
Good morning apertus!
08:21
RazvanToma
I got invited by Sebastian to this place to discuss how fancy I am, yet I guess that this will channel will be more useful if my suggestion goes into your project phase.
08:22
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08:30
RazvanToma
To keep it short and not to flood this window, I work in, Wiredelta, a web agency that can help you redesign your website on modern web platforms such as node.js, Ruby, HTML 5 etc. We specialize in entrepreneurs like you guys. Nobody likes throwing cash around, but we are one of the cheapest western european teams, thanks to our offices in India. But we do the project management with Danish quality from Copenhagen, so you won't
08:32
RazvanToma
Feel free to ask me questions. I will linger around here until I have other tasks or get kicked out :)
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Bertl_zZ
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11:55
Bertl
morning folks!
11:55
mars_
hi Bertl
11:58
mars_
50k!
12:00
Bertl
RazvanToma: this is a community project, so if you want to help out (unpaid), your help is very welcome, if you expect monetary compensation, then I guess we will have to do it without your help
12:00
Bertl
mars_: \o/
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cfelton_
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12:04
Bertl
hello cfelton!
12:08
RazvanToma
Thank you for the reply Bertl! We are a well-established company, so I am afraid that we cannot go under our price policy. But once you guys hit the jackpot and if you need anything related to websites and mobile apps, we are willing to provide an estimate for what you will need.
12:09
RazvanToma
You can stalk us our website www.wiredelta.com and our award-winning video! (kidding, not there yet) - https://www.youtube.com/watch?v=vqxvEUKiT1g
12:09
Bertl
fair enough! we'll keep that in mind.
12:09
RazvanToma
Thanks for your time, cheers ;)
12:09
Bertl
cheers!
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13:17
alexML_
Bertl: thanks for the PDFs
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Bertl
you're welcome!
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16:17
aombk
http://www.techrepublic.com/article/open-source-failure-is-its-greatest-success/
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intracube_
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20:04
derWalter
gooooood eveeeening apeeeertuuuuuus
20:07
Bertl
evening derWalter!
20:10
derWalter
bertl, what are you doing most of your time? i see you going to bed very late those days :)
20:11
Bertl
working on all kind of stuff
20:13
Bertl
mostly AXIOM Beta design and planning
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20:51
derWalter
mhhhh kk :)
21:55
derWalter
http://www.golem.de/news/vesa-standard-displayport-1-3-a-v-fuer-5k-displays-ist-fertig-1409-109264.html
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22:01
Bertl
derWalter: great news!
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