News for hackers. Stuff that matters.

A comment on AI Reveals Secrets of Dendritic Growth in Thin Films.

Re:AI Reveals Secrets of Dendritic Growth in Thin Films by MPSFounder on Thursday March 27, 2025 @01:23AM (#43490596)
WOW PCA. That is some old ML right here. Last time I did PCA was for flows in an undergrad paper. It's been 15 years!
[ Parent | on HN ]
Re:AI Reveals Secrets of Dendritic Growth in Thin Films by sva_ on Thursday March 27, 2025 @01:57AM (#43490736)
It is still pretty commonly used by statisticians, but framing it as "AI reveals" seems to be a stretch.
[ Parent | on HN ]
Re:AI Reveals Secrets of Dendritic Growth in Thin Films by EGreg on Thursday March 27, 2025 @02:55AM (#43491027)
How about Latent Dirichlet Allocation? We used it to do sentiment analysis a little more than decade ago hehe
[ Parent | on HN ]
Re:AI Reveals Secrets of Dendritic Growth in Thin Films by jampekka on Thursday March 27, 2025 @04:52AM (#43491562)
PCA was introduced in 1901. Who knew Karl Pearson was actually doing AI!
[ Parent | on HN ]
Re:AI Reveals Secrets of Dendritic Growth in Thin Films by porridgeraisin on Thursday March 27, 2025 @06:25AM (#43492053)
The image processing in a macaques brain has been doing PCA since way longer. Atleast according to [1], around 1hr36m in.

https://www.youtube.com/watch?v=Uj6skZIxPuI

[ Parent | on HN ]