Behind the scenes with the Midjourney scanner [video]
33 points
2 days ago
| 3 comments
| youtube.com
| HN
Fraterkes
36 seconds ago
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One thing that’s kinda awkward in the video: they mention one of the big shortcomings of ultrasound being that it can’t image “airy” organs like the lungs, and their expert responds to that by mentioning that the amount of angles/devices means that you still get imaging of everything surrounding the lungs. But the critiscism isn’t that the lungs would obstruct you from imaging certain areas, it’s that there’s just very salient parts of the body that you can’t really image with ultrasound, which means this would not be a full bodyscan even if the resolution was incredible.

I think there’s some genuine intent here, if for no other reason than that it seems silly to transition from ai to hardware if you’re purely trying to grift. I just wish they responded candidly to the obvious questions people have.

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pcrh
1 hour ago
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There's a risk of echos of Theranos here. A paper apparently describing this ultrasound approach has been uploaded to arXiv [0]. If so, the resolution demonstrated is nowhere near sufficient to detect small changes to anatomy, let alone monitor them over time. Future developments could obviously improve on that.

[0] “Whole Cross-Sectional Human Ultrasound Tomography” https://arxiv.org/pdf/2307.00110

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warpdude
1 hour ago
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one of the lead paper authors (jinhua xu) works at midjourney, appears in the video, and comments specifically on how the midjourney approach is the next, significantly better-funded iteration of the paper approach
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_joel
10 minutes ago
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If you watch the video, the original prototype had hand built piezoelectic array, which was a complete pain and nowhere near as good as the current revision. This one uses COTS hardware, just lots (40+) of them.
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itake
1 hour ago
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true, but he doesn't say if it will meet the threshold of 'useful'
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moralestapia
6 minutes ago
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There's one GIGANTIC difference between Midjourney and Theranos.

Midjourney's money is their own. They don't have to lick anyone's boots (or worse) just to put bread on the table.

Don't ever confuse actual innovators with low-tier VC scammers. Because of that, I'm massively bullish on them.

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bparsons
1 hour ago
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Does this whole thing seem fishy to anyone else?
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AyyEye
6 minutes ago
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They hallucinate images for a living, of course making a medical imager is fishy (to put it extremely nicely).
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_joel
12 minutes ago
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More dolphin-y than fishy, it's ultrasound after all :)
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ajrouvoet
45 minutes ago
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The announcement video has some quality that made it hard to shake the feeling that I’m watching a black mirror episode. Or a sequel to Ex Machina.
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