#apertus IRC Channel Logs

off to bed now ... have a good one everyone!

hi TofuLynx!

TeamTalk released?

Yes.

off for a bit ... bbs

By the way, I will be a bit late to the meeting.

but a few folks will be late and/or might not come at all (JFYI)

Hi

Hi supragya

I found a color matrix (XYZ to RGB) value in dng.c

or you can take pre-defined ones -> http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html

okay, so let's wait a few more minutes before we start

okay! :)

The RGB should be the camera one

Didnt check, it arrived in the night. Can only check tonight

can I get some references to read?

Thanjs

Brucelindbloom is perfect

good evening everyone

Hi

good evening, sorry for the delay

Great team talk , se6astian!

thanks, glad you liked it

I hope I covered your all projects adequately, rahuls color peaking only got a very brief mention for example.

thanks

Hello

order is: rahul, TofuLynx, nmdis199-

Thank you

I am about 1 and half weeks ahead of the scheduled mentioned in my proposal! and hope to get everything done before visiting the office in August so that I have enough time for the final tweeks!

great, thanks!

se6astian: Ok!

So, last week, I finished the Code Documentation and published it to the apertus wiki

And we decided to move from OpenMP to OpenCL

So, the next days I will be accelerating the debayering methods with OpenCL and hopeful without any problems

I found OpenCL very hard to find resources

And that's all, se6astian :)

Sure, thanks!

I have some nice documentation

Can you send it? :D

did you tap into shaders (cuda, etc.) before?

:)

No, I didnt, se6astian

I will only learn about OpenCL, OpenGL and stuff next year

right, maybe a good start point (of course please discuss with mentor) is doing some game development related basic shaders/tutorials

shaders are different than opencl

"opencl tutorial" offers a lot at google

nope, opencl has other goals, so it's focus lying on processing bytes a lot

latest of course,

opencl 2.0 is there for years already

check the history -> https://en.wikipedia.org/wiki/OpenCL

TofuLynx: closure question, how far ahead/behind do you consider your general progress related to the proposed timeline?

http://developer.amd.com/wordpress/media/2013/12/AMD_OpenCL_Programming_User_Guide2.pdf

opencl is just an extension for the gsoc tasks, as we have most things covered, but i suppose that we have to appraoch the video sequences in next days, so we can do real tests

Understood!

I was planning to do some basic exercises such as matrix summation and stuff

TofuLynx: https://software.intel.com/en-us/intel-opencl-support/code-samples

Oh, that's great!

will we use it?

but even a single manual upload would be appreciated, whatever makes less trouble

there is also interaction between opengl and opencl, if it helps for our stuf

Will work on it!

Okay!

In first week I worked solely on waveform tool (and read more about it) initially I wanted to calculate luma waveform and rgb waveform but in first week I could do only tool for luma.

So, next week Bertl suggested me to try and understand mimg tool and cmv_snap3 so that I could load and dump the data to and from memory. Second week, we discussed about mimg and then I started working on two tools load_raw() and dump_raw().

I spend next week writing the tools but it had some problem, I was not “loading� the data from the memory to process in dump_raw().

Bertl helped me to understand it by providing a demo tools and telling me how the data was stored. We discussed quite a lot on this and therefore,Last week, I was successfully able to understand the problem.

:)

https://github.com/nmdis1999/load_raw

https://github.com/nmdis1999/dump_raw/

/opt/ITI/load_raw() , /opt/ITI/dump_raw() and /opt/ITI/new_tools

Probably next week I'll be working on improvising the tools and trying new features on them.

are they captured images already of the waveform?

no, the load_raw() and dump_raw() basically was to process the data. I couldn't got time to plot the waveform with the library you suggested because we were working on the two tools at that time.

how do you consider your progress ahead/behind schedule?

It's going with timeline, though we had additional tool as well (so couldn't test much ) but the tools were of great help!

that's it I guess :)

supragya is up next

Goodbye rahul_!

In my last evaluation, I was able to encode MLV files and verify them using mlv_dump In this phase, in the beginning, I was asked to look at the DNG structure better. I was able to learn the TIFF/EP system and understand encoding The next phase began with me integrating mv_dump / mlvfs in the current emulator. This took some time but I was able to do it. We took a little detour to understand linearization table in DNGs/CDNG. With a

Sorry

In my last evaluation, I was able to encode MLV files and verify them using mlv_dump

The next phase began with me integrating mv_dump / mlvfs in the current emulator. This took some time but I was able to do it.

Since then I have been working on making MLVFS work with our MLV format and convert to a DNG. There have been a few issues with struct writing for example - g3gg0 is helping me sort these out.

I think that wraps it up.

(in assessing the progress)

please elaborate on the kind of feedback you are looking for regarding progress

g3gg0-mobile wanted me to show some DNGs this evaluation

I am trying to debug it.... However, cannot be sure of the outputs as I am not at home since last 10 days... travelling a lot

okay

many thanks!

thank you!

ArunM: ping?

was just about to ask :)

okay, please go ahead then :)

rather than the designing the GENERATOR as mentioned in the proposal (after discussing that with my mentor :) )

Updated my code as problems started arising in the Sequencer , the sequencer part is not commented but will take care of that too

https://github.com/arun13e/Image_Sensor_Emulation/tree/master/IMAGE_SENSOR

Nothing much to discuss other than few hurdles while getting used to of the original firmware

regarding progress with proposal's timeline

i think am going along with the proposal's timeline

ymc98_2: ping

felix_: you wanted to report on SDI hardware development progress

i published the current state of the schematics and board here https://github.com/felixheld/AXIOM-photonSDI-hw

nice

ouch

Should I start?

ymc98_2: yes please

i'm not planning to work on the gateware side of that module though

felix_: great, understood

getting the gateware for the sdi module ready and published is definitely on my todo list

Goodnight! :)

great, thanks

I have synthesized transmitter and receiver for the MachXO2. It was more challenging compared to designing the same for Zynq due to limited availability of primitives suitable for project's purposes. To be honest I'm a bit behind schedule.

Very soon I will have the makefiles to build my code.

looking forward to initial tests on real hardware!

That's all from my end

anybody else who wants to report something?

manfred our precision engineer has successfully injection molded our first 2 heatsink prototypes for an improved AXIOM Beta developer kit (larger heatsink, larger fan, slower spinning)

and it looks excellent!

we will cover this extensively with one of the next team talks, the whole story with the first failed injection mold attempts

http://files.apertus.org/AXIOM-Beta/heatsink-prototype.jpg

IIRC this is a graphene based thermally conductive plastic

thats it for todays meeting

what's the difference to common heatsinks?

someone has missed the meaning of crowdfunding and backer out there

aluminum: 660.3 °C

how is the thermal conductivity compared to heatsinks made from some aluminium alloy?

I dont have the specific material name at hand currently

nice

no worries; was just being curious

we probably should have some real world test results soon

off for dinner now

good night