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Sod – An Embedded Computer Vision and Machine Learning Tiny C Library
- stefan_ 6y agoSo this is like the printer model, sell the printer (library) for free and charge for the toner (model).
- skanga 6y agoCan you develop your own models?
- lcampbell 6y agoDoesn't seem like it. The GPU module required for training CNNs is sold separately[1]: > A GPU capable special SOD release which is not available to the public is required in order to train your own CNN model. There are some bits included for training "RealNet" models[2] but I'm not sure what those are or how they work. The documentation suggests that RealNet models can be trained in reasonable timeframes with a CPU. [1] https://sod.pixlab.io/cnn_train.html https://sod.pixlab.io/cnn_train.html [2] https://sod.pixlab.io/c_api/sod_realnet_train_start.html https://sod.pixlab.io/c_api/sod_realnet_train_start.html
- person_of_color 6y agoClick. No Q16.16. Close tab.
- johanam 6y agoCan you elaborate what you mean by this?
- toohotatopic 6y agohttps://en.wikipedia.org/wiki/Q_%28number_format%29 https://en.wikipedia.org/wiki/Q_%28number_format%29
- baocin 6y ago"Q16.16" seems to refer to fixed floating point precision (https://en.wikipedia.org/wiki/Q_(number_format) https://en.wikipedia.org/wiki/Q_(number_format)). The parent comment is unhappy that SOD doesn't support floats with 16 integer bits and 16 fractional bits. I'm unsure why lack of support for 32 bit floats is such a problem considering that SOD is suppose to run on such resource constrained devices. Is there a particular domain where this is necessary?
- boomlinde 6y ago> "Q16.16" seems to refer to fixed floating point precision Floating is the opposite of fixed in this context. The GP is unhappy that it doesn't support fixed point numbers of a common fixed point number format. This is not just nitpicking, because the difference in time and implementation cost between floating and fixed point can be huge on systems where floating point operations aren't offloaded to a pipelined FPU. Fixed point arithmetic on the other hand, even if your hardware doesn't support it directly, can easily be implemented in terms of integers.
- eggy 6y agoI was interested until I saw you have to purchase something to train your own models. I am wondering how this compares to Darknet by Joseph Redmon [1]. You can do most of what I see on the Sod site, and train your own models. It's in C too. [1] https://pjreddie.com/darknet/ https://pjreddie.com/darknet/
- qchris 6y agoJust a quick heads-up that Joseph Redmon isn't working on the development on Darknet any longer, and the YOLO fork by AlexeyAB [0] (now on YOLOv4) is one people should also consider using moving forward[1]. [0] https://github.com/AlexeyAB/darknet https://github.com/AlexeyAB/darknet [1] https://mobile.twitter.com/pjreddie/status/1253891078182199296 https://mobile.twitter.com/pjreddie/status/12538910781821992...
- eggy 6y agoYes, I have been following darknet for a while now. I haven't tried YOLOv4 yet. Any comments on what SOD brings to the table in comparison to darknet?
- qchris 6y agoHonestly, I'm not sure. It seems like they cover slightly different fields, despite having some overlap. AFAIK, Darknet doesn't natively do a bunch of the image processing work that Sod can do, like edge detection with Canny, because if you wanted that, you'd just use OpenCV. I'd imagine that based on the licensing, this is probably closer to the open-sourcing (well, sort of, since the commercial applications and GPU training requires a paid license) of an internal tool that the company is using on the backend of their own API-driven machine learning business. So, it covers some things that Darknet isn't really designed to do, since real-time object detection isn't the main area they're really interested in.
- eggy 6y agoReal-time object detection is what YOLO does and darknet implements it, but I see where you are going with the edge detection in SOD vs. darknet. You add in OpenCV if you want to use it.
- stbtrax 6y agoWhat kind of embedded processor is this meant for? cortex-m3 low level or more like a cortex A class?
- qubex 6y agoKnowing that some schools and universities are testy to use GIMP because it’s a derogatory term, I’m wondering how “SOD” will fare. “Sod off” and “you’re a real sod” are not exactly terms of endearment and are very much still in current usage (particularly by the kind of people who might be offended by using something that refers to them).
- emmanueloga_ 6y agoI don't know, I haven't never hear "sod" as slang before, had to check urban dictionary [1]. Maybe I'm not streetwise enough :-) 1: https://www.urbandictionary.com/define.php?term=SO%20D https://www.urbandictionary.com/define.php?term=SO%20D
- mantap 6y agoIt's also in the real dictionary. https://dictionary.cambridge.org/dictionary/english/sod https://dictionary.cambridge.org/dictionary/english/sod It comes from sodomy. It's interchangeable with fuck in many contexts.
- Y_Y 6y agoExcept it's much milder, there's no problem with saying "sod off" on tv during the day, for example. Apparently the British Communications Regulator, Ofcom[0], sees it as "Mild language, generally of little concern", whereas fuck is "Strongest language, unacceptable pre-watershed. Seen as strong, aggressive and vulgar. Older participants more likely to consider the word unacceptable." [0] https://www.mirror.co.uk/news/uk-news/read-what-ofcom-thinks-47-8987533 https://www.mirror.co.uk/news/uk-news/read-what-ofcom-thinks...
- ploika 6y agoIt just means "lump of turf" where I live.
- SomeoneFromCA 6y agoDarknet does not sound good either. You know, like the other Darknet.
- emmanueloga_ 6y agoIt seems like they go out of their way to hide the real identity of the ppl behind this (feels like a solo developer). Why would someone do this? http://symisc.net/contact.html http://symisc.net/contact.html
- enriquto 6y ago> Why would someone do this? Maybe they regard it as a hobby side project. Or maybe not everybody wants to attract public attention to all of their activities.
- n_t 6y agoIt is indeed interesting! I had some use case in mind so I tried to find more about company. sysmic is owned by Pixlab, but both have zero info about people involved. Interestingly, even their linkedin page (../company/pixlabio) doesn't lists any individual and given the work they are doing, I doubt it's single person effort. Well, someone mentioned darknet project, looking into that instead.
- MaxBarraclough 6y agoI don't have an answer, but it's not always a bad sign. This guy was a powerhouse in the Ruby community, for instance, and was anonymous for as long as he was active there: https://en.wikipedia.org/wiki/Why_the_lucky_stiff https://en.wikipedia.org/wiki/Why_the_lucky_stiff
- badpun 6y agoThey are a commercial operation. If this is indeed a single guy, by obfuscating that, he can fool some people into thinking that they're dealing with a larger organization (and hence be more willing to hand over money).
- ricardo81 6y agoCould just be a privacy conscious individual, though visibility does indeed help peace of mind
- symisc_devel 6y agoYou are wrong. Symisc is an independent software vendor with a distributed team of ~14 collaborators and offices in Texas, Luxembourg and Tunis.
- SomeoneFromCA 6y agoEww, GPLv3. Not even LGPL.