dimatura

23 ms·

271.
by dimatura 5y ago
Interestingly, SDFs have also become a widely used tool for analysis of 3D sensors such as lidar and RGBD (kinect, realsense). Specifically, truncated SDF's, which put an upper limit on the magnitude of function, which helps with outli
272.
by dimatura 5y ago
Anki (the robotics toy company, not the flash cards) comes to mind. IIRC they had aspirations to build non-toy tech. It didn't work out, though, as they shut down last year. It's unfortunate - I got one of their vector robots for
273.
by dimatura 5y ago
I think chess would be a more straightforward example to illustrate the article's point. If you look at old games, they used to be a lot more fun, with more variety and risky, moves; see, e.g., Anderssen's "heroic" styl
274.
by dimatura 5y ago
I think familiarity has something to do with it, but your own screenshot is definitely way less cluttered than the radium one, which is showing A LOT. It's not just the waveforms, which I get, but also what seem to be multiple layers-w
275.
by dimatura 5y ago
Also a fan of squarepusher! I can't find many info on the QY700 sequencing workflow, but I doubt it's what usually known as a tracker. I see some screenshots that look like a horizontal piano roll-based view. Trackers don't u
276.
by dimatura 5y ago
It's not easy (or it would have been done already!) but I don't think it's a pipe dream. A lot of the computer vision capabilities that are taken for granted today would've been pipe dreams a few years ago. It's tru
277.
by dimatura 5y ago
I'm not into modular, but I'm definitely looking out for the nerdseq portable!
278.
by dimatura 5y ago
I'm intrigued by radium and I tried it once, didn't get too far. The feature set looks amazing, but doesn't seem exactly easy to use. I think this screen shot from the front page says it all. https://users.notam02
279.
by dimatura 5y ago
One cool development in the past year or so are hardware trackers. Basically trackers for the DAW-less crowd. The polyend tracker [1] is really nice and a great value. And I'm super excited for the dirtywave m8 [2], kind of like a supe
280.
by dimatura 5y ago
Doesn't seem the most practical way to go about it, with drones being so noisy and all. It probably doesn't make sense for this to replace cameras (visible and IR), for all sorts of reasons. But I could see it being helpful as an
281.
by dimatura 5y ago
There's a lot of differences between the mainstream CNNs and biological NNs though. For one, inference in most CNNs is just feed-forward, whereas in the brain the information flow is a lot more complex, modulated by all sorts of feedba
282.
by dimatura 5y ago
I would say AlexNet [1], rather than VGG, was the landmark paper that got the computer vision community to pay attention to deep learning, specifically by winning the 2012 imagenet competition by a large margin. Not that there weren't
283.
by dimatura 5y ago
I don't have any quantitative evidence on computational performance of the FFT versus the typical laplacian pyramid technique, but I'd be surprised if FFT is faster. The classical laplacian pyramid -- developed in the 80s -- is re
284.
by dimatura 5y ago
This isn't really wavelets, though I guess it's a related technique. It's using a laplacian pyramid, which as you suggest is doing frequency separation, but it's achieved in the spatial domain by blurring and up/dow
285.
by dimatura 5y ago
Yeah, it's funny how long-lived chips are in the embedded world. I think a lot of it comes down to inertia and familiarity. "If it ain't broke...". I see that with keyboards, for example, that like you said often still
286.
by dimatura 5y ago
I really like the flexibility of having advanced I/O capabilities on almost any pin, specially when I'm not designing the PCB from the ground up. With the older atmegas I find myself sometimes constrained by having to use this pin
287.
by dimatura 5y ago
If you do want bluetooth/WiFI, agreed, it's annoying to not have it, true. I rarely need either capability, so I don't mind too much. (And it's remarkable that ESP32's are so cheap that I find myself using them even
288.
by dimatura 5y ago
That's great, except they're already relatively hard to find as-is. (If you click on the links on that page -- Adafruit, Sparkfun and Pimoroni -- the RP2040-based products are pretty much all out of stock). Sort of reminds me of t
289.
by dimatura 6y ago
That's an interesting article, and relevant in the sense that the "magic kernel" can be used for purposes of super-resolution, but Adobe is using a fairly different approach. Instead of using analytically-derived functions Ad
290.
by dimatura 6y ago
Yeah, I agree. Hopefully labor conditions can improve in the rest of the world as well.
291.
by dimatura 6y ago
I sympathize with these workers. But if this can be seen an indictment of American culture, then all in all, maybe things aren't so bad. I worked a construction job for a summer in Chile where we had 12-hour shifts, 5 days a week, and
292.
by dimatura 6y ago
I second the recommendation for task spooler, which seems to cover similar ground to nq. It's a really nice way to queue simple long-running tasks without having to write code or set up infrastructure.
293.
by dimatura 6y ago
After the basic PID controller, what would you consider the most useful tools for control?
294.
by dimatura 6y ago
I have to say I agree. NX is totally fine for the applications it was built for. I appreciate the simple API and the flexibility of using pure Python. There's a reason it's so popular. I'm not an expert in graph neural networ
295.
by dimatura 6y ago
Almost certainly, yes. It's an inherent risk with any backup system that deduplicates at at a block level, encrypted or not -- if the same block appears in many files, then it's stored only once (which is good in terms of space ef
296.
by dimatura 6y ago
Simulation is definitely an important and useful tool. That said, to me the real beauty of robotics is seeing a physical machine that you put together and wrote the code for move around on its own accord. It's definitely harder to get
297.
by dimatura 6y ago
I don't think it necessarily means non-rechargeable. Since charging usually takes a long time, generally in the field you carry a bunch of batteries charged ahead of time and swap them as needed.
298.
by dimatura 6y ago
That is the cutest drone! I have one of these https://www.eachine.com/EACHINE-E10W-Mini-Quadcopter-Wifi-FP... , which is roughly the same size. It has a functional camera which records to a micro SD card. The image quality i
299.
by dimatura 6y ago
I don't know for sure what's inside this drone, but it's probably because they had to pay for developing and building a custom small drone. I suspect DJI or Autel can build better drones at a far lower price, but the UK milit
300.
by dimatura 6y ago
There's plenty of multirotor VTOL drone designs out there, which combine the practicality of vertical take-off and landing (hence, "VTOL") with the greater efficiency of wings for longer range flight. Many proof-of-concept de

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