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#apertus IRC Channel Logs

2015/12/07

Timezone: UTC


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01:53
Bertl_oO
off to bed now ... have a good one everyone!
01:53
Bertl_oO
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Bertl_zZ
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08:00
dmjnova
Bertl_oO: arm-linux-gnueabi or arm-linux-gnueabihf ?
08:55
Bertl_oO
arm-linux-gnueabihf
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16:23
troy_s
Bertl_oO: When you are around, any thoughts on attempting to (consistently / accurately) linearize the entire capture of wells on the Apertus?
16:23
troy_s
(that is, to correct the nonlinear portions near the head and toe)
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se6astian
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irieger|away
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23:47
Bertl_oO
troy_s: probably the best approach is to "calibrate" the sensel in an integration sphere with a controlled light source
23:49
Bertl_oO
the problematic regions can be "mapped" into the linear range with the addition or removal of ND filters
23:49
troy_s
Bertl_oO: So generate a1D LUT for correcting the sensor capture?
23:49
Bertl_oO
which should allow for a very precise analysis without a calibrated sensor
23:50
Bertl_oO
yes precisely, we already have the LUTs in place, they are called "linearization LUTs"
23:50
troy_s
So in theory, do you think we could generate a scene linear and accurate data off of the raw?
23:51
Bertl_oO
btw, we made huge progress thanks to irieger, who played with the sensor registers and now we have a really great image response
23:51
Bertl_oO
if you wait a little I can upload a raw12 snapshot
23:51
troy_s
(Once in true scene linear we should be able to greatly increase the accuracy of the colour transform across the full latitude.)
23:51
troy_s
Great.
23:52
troy_s
irieger is a great person to have around.
23:54
troy_s
Bertl_oO: in particular what did the register adjustments change from out Alpha data sets?
23:54
Bertl_oO
we basically got rid of most of the unexplained artefacts and many of the FPN issues with just correcting the registers
23:55
troy_s
Bertl_oO: Any impact on the full well response reducing the clip need?
23:55
Bertl_oO
we will analyze the changes and the particular effects soon and probably publish something about that