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#apertus IRC Channel Logs

2018/02/14

Timezone: UTC


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BAndiT1983|away
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11:10
supragya
Hi! Bertl
11:10
supragya
and/or Bandit!
11:11
supragya
Had some success with T872, needed to get feedback
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BAndiT1983|away
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BAndiT1983
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BAndiT1983|away
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12:39
supragya
Hi Bandit!
12:39
supragya
are you available?
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BAndiT1983
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13:00
Bertl_oO
supragya: what's up?
13:01
supragya
Hi Bertl
13:01
supragya
I have solved T872
13:02
supragya
need feedback
13:02
Bertl_oO
okay, where can I look at your code?
13:02
supragya
how can i put the git link?
13:02
supragya
not on IRC i guess
13:02
supragya
it has logs
13:02
supragya
?
13:02
Bertl_oO
however you like, IRC, e-Mail, private msg
13:03
supragya
i sent a PM
13:25
supragya
hi Bertl, regarding test cases and debayering...
13:25
Bertl_oO
yup?
13:26
supragya
can you sugeest a test case
13:26
supragya
different RAW12 images?
13:26
Bertl_oO
it should be easy to find some raw12 images online
13:27
Bertl_oO
check that they are in fact raw12 and not badly named raw16 images and use them for a test
13:27
supragya
i will use "http://files.apertus.org/AXIOM-Beta/snapshots/"
13:27
Bertl_oO
another approach would be synthetic images with 'known' values/patterns
13:27
supragya
fractals?
13:27
Bertl_oO
doesn't need to be that complicated, but why not
13:28
Bertl_oO
for example horizontal and vertical gray bars would be a good start to see if something is wrong
13:28
supragya
mathematic... or test images from suite?
13:29
Bertl_oO
whatever rows your boat
13:29
supragya
does image quality of final image after interpolation matter?
13:29
supragya
(i guess you will say, yes)
13:30
supragya
debayering to be more precise
13:30
Bertl_oO
I'd say the quality is not the main focus, as long as the 'debayering' is correct
13:30
Bertl_oO
now a good question here is 'what is correct?'
13:31
supragya
yes. But letme get to a milestone where i can talk about this more
13:32
supragya
What else other than qualification challenge matters in proposal?
13:32
Bertl_oO
as debaying is mainly 'guessing values' there is no clear right or wrong, but there are some test cases which can intuitively separate right from wrong
13:32
supragya
"but there are some test cases which can intuitively separate right from wrong" - can you elaborate?
13:33
Bertl_oO
like for example if an image is presented in only one color channel (e.g. red) then you'd expect the output for green and blue to be zero
13:33
supragya
" as debaying is mainly 'guessing values' there is no clear right or wrong" - i was thinking just this
13:33
supragya
"like for example if an image is presented in only one color channel (e.g. red) then you'd expect the output for green and blue to be zero" - trivial but why not for test case
13:33
Bertl_oO
you'd also expect the 'red' separation to be identical to the input image (at least at the sampled points)
13:35
supragya
will look into these testings. TY
13:35
Bertl_oO
for the student selection, the qualification task(s) are mandatory, but we will also consider previous contributions (e.g. wiki or similar) as well as the way the student 'functions' in the community (IRC, e-Mail, etc)
13:36
supragya
okay
13:36
Bertl_oO
and of course the proposal itself will be a factor as well
13:36
supragya
yes, regarding the proposal, how should i go about it
13:36
supragya
If I have selected a topic to work upon?
13:37
supragya
or to put a proposal forth on
13:37
Bertl_oO
first, IIRC, google has a number of 'existing' student proposals from previous GSoC events
13:38
Bertl_oO
then, think about it like presenting a CV ...
13:38
Bertl_oO
you get a chance to make a first impression and this will not just be based on the content but also on the form
13:40
Bertl_oO
an short but on the point ASCII text proposal will easily trump a microsoft word document with a huge number of (useless) pages
13:40
Bertl_oO
a LaTeX proposal with a nice layout will easily beat both
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13:41
Bertl_oO
note that this always depends on the number of students and slots we get, but last year we had to select 3 out of ~25 so it really comes down to details
13:42
supragya
Thank you Bertl, I will get back, with new developments in the direction.
13:42
supragya
also TY for the info.
13:43
Bertl_oO
excellent! you're welcome and have fun!
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BAndiT1983|away
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max_bxl
hello everyone
16:20
Bertl_oO
hey
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supragya
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17:30
supragya
Hi, I am facing some axiom beta build issue, Error: ['xilinx-v2016.4.tar.gz' sha256sum does not match!!] when running [./guest-images/dev/microzed-image-1.3/build.sh].
17:30
supragya
I have tried it multiple times, deleting the 'xilinx' file and redownloading it, still the same error.
17:31
supragya
any pointers, please?
17:44
BAndiT1983
supragya, what are you trying to do?
17:47
supragya
i am trying to solve, C++ challenge. While the main program is ready, I was trying to work on the optionals: making it run on beta-software and also debayering in another branch. However, during building the beta-software, the error occured
17:47
supragya
Error: ['xilinx-v2016.4.tar.gz' sha256sum does not match!!] when running [./guest-images/dev/microzed-image-1.3/build.sh]
17:48
supragya
when i run command as given in README of https://://github.com/apertus-open-source-cinema/axiom-beta-qemu
17:48
supragya
https://github.com/apertus-open-source-cinema/axiom-beta-qemu
17:48
supragya
The full report is as follows:
17:49
supragya
[supragyaraj@supragya-pc axiom-beta-qemu]$ ./guest-images/dev/microzed-image-1.3/build.sh
17:49
supragya
Creating build directory: /home/supragyaraj/PiNG12RAW/axiom/axiom-beta-qemu/guest-images/dev/microzed-image-1.3/buildRunning sources_auto_download
17:49
supragya
Something went wrong?
17:49
supragya
Possibly related to 'xilinx-v2016.4.tar.gz' sha256sum does not match!!
17:57
BAndiT1983
which script have you started?
17:58
BAndiT1983
if microzed one is not working, have you tried the one for beta-software
17:58
supragya
./guest-images/dev/microzed-image-1.3/build.sh (. being the root of axiom-beta-qemu)
17:59
supragya
no, not the beta-software
18:00
BAndiT1983
then try it, don't have a fitting setup at the moment, so cannot try myself
18:08
supragya
BandiT, the new error log here: (for beta-software): https://pastebin.com/a8yStfK8
18:14
BAndiT1983
is run_image executable? if not, then use chmod +x
18:15
BAndiT1983
there is also some error about boxes, which possibly hasn't create run_image
18:15
BAndiT1983
build_tools/outside/build_u_boot.sh: line 2: boxes: command not found
18:17
BAndiT1983
which linux are you using? try to install boxes package
18:17
supragya
Manjaro (arch)
18:19
BAndiT1983
don't know if it was tested on that linux, i think it was mainly ubunut/debian
18:19
supragya
the sh builder had it for Arch Linux, i guess.
18:20
BAndiT1983
you can edit the build script and disable boxes, as it's not installed in manjaro by default
18:20
BAndiT1983
can't find if there is a package for it
18:22
BAndiT1983
it's more of visual thing, so not really necessary, the package is available in AUR
18:29
max_bxl
bye everyone
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supragya
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19:01
supragya
I resolved package error, but then, C++ errors here: https://pastebin.com/HTpFfK8K
19:04
supragya
i guess, it is certain wrong gcc/g++ version error, but I am not sure if it actually is the case.
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