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The CPU will probably be destroyed by radiation before long. I'd guess the key factors here were weight, power draw, size and perhaps performance. A radiation-hardened CPU probably didn't fit the bill. It's also super expensive.



Any individual part is peanuts compared to overall mission cost. Anyway, it’s a great PR stunt for QCOM. It’s not that big secret, that cubesats successfully use automotive grade off shelf parts.


> perhaps performance

absolutely performance. Yes to the other three for sure, but the engineers reported that there was no way they were running flight control using image tracking on a 200MHz CPU.


Not in python, maybe. Smartbombs have been doing the necessary image processing with much less processing power, on much less capable sensors, for a long time.


Dunno about guided bombs, but cruise missiles have been using some pretty fascinating techniques to navigate before GPS was a thing. It's probably hard to find CPU specs, because they're defense technology.


It is surprisingly easy to find, as that stuff is pretty thoroughly covered in academic/industry journals. The only hinderance to access is a credit card number for the paywall.


The helicopter project is somewhere said to cost $80 million.

Would be interesting to know cost allocation for that Sony/Samsung chip. Project manager and scientists/engineers could have listed design challenges for industry player like TSMC/Apple go beat with an offering, a short run of 20 chips specifically for this helicopter.


What. I dont understand how you can make this claim. Guided bombs are NOT using CV with optical cameras. They use lasers, GPS, and other non "fancy" techniques.

I just don't get in what world you think military munitions are using CV for targeting bombs.


So I guess you've never heard of the AGM-62 Walleye, or anything else that came out of China Lake. Before you try backpedaling with some silly nonsense about how gating isn't real CV, maybe do a quick search through the journals that cover this stuff: aiaa would be a good start. Another path would be in relation to counter-counter-measures, and ground noise rejection for air-to-ground radar guided munitions. That stuff was deployed regularly all the way back to Vietnam.


The other poster mentions analog techniques used in contrast-tracking TV-guided munitions like the Walleye, but digital "CV-like" image/contour matching methods were used on the original Tomahawk cruise missile and the Pershing 2 missile to provide terrain-matching navigation and target guidance. GPS was neither sufficiently complete or accurate for strategic weapons in the late 1970s/early 1980s.

In more modern weapons, imaging IR sensors are well-established for terminal guidance on missiles like LRASM, JASSM, or NSM to distinguish targets from clutter and identify specific target features (specific parts of a ship, for example). Of course "traditional" "IR-homing" SAMs and AAMs now use imaging sensors (often with multiple modes like IR+UV) to distinguish between the target and decoys/jammers. Even your basic shoulder-fired anti-tank missile like Javelin requires some amount of CV to identify and track a moving target.


> analog techniques used in contrast-tracking

aka edge detection :) I don't remember if it was the Sidewinder or Walleye that eventually dropped in a CCD (or both), but I know that the Maverick (which is technically older than Walleye) got along without a CCD until the GWOT - when it finally upgraded. The Javelin actually beat Maverick in that regard, having a 64x64 sensor 10 years earlier - able to handle scaling and perspective change for the 2-d designated target pattern.

https://apps.dtic.mil/dtic/tr/fulltext/u2/a454087.pdf




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