MD from Brown, PhD in Biomedical Informatics from Stanford / CEO of PathAI / Partner at Pillar VC
Passionate about crypto and web3, expert in cancer pathology
PathAI #MachineLearning engineers have
recently published new #AI findings for mechanistic interpretability of PLUTO, a pathology #foundationmodel. Using sparse autoencoders (SAEs), we uncovered biologically meaningful and interpretable features. 🧵
https://t.co/4T8GWU7y9p
The presentation is done, but #GalaxyUnpacked is far from over.
Curious about what’s next? Follow this thread for real-time updates and let us know which #GalaxyS25 Series features you’re most hyped for 👇 #GalaxyAI
Psst... you might catch your fav influencers in action!
Monosemantic representations
- Single SAE dimensions correlate with counts of single cell types. For example, SAE-1736 represents plasma cell abundance exclusively
- The findings generalized to:
✅ Out-of-domain datasets (CPTAC)
✅ Different stains (H&E, IHC)
✅ Various scanners
🔍 Interpretable concepts found using SAE
- SAE trained on PLUTO embeddings disentangled polysemantic features. Single dimensions captured distinct concepts:
✅ Cell types (e.g., cancer cells, red blood cells)
✅Geometric features (e.g. edge of tissue)
✅ Artifacts (surgical ink)
‘They don’t want to go digging because they know they’ll find dirt!’
@JoshxHowie, @JojoSutherland and @NickDixonComic react to Labour’s vote against a national inquiry on grooming gangs.
📺 Freeview 236, Sky 512, Virgin 604
🔒 Become a GB News Member: https://t.co/mNsRsGC8ef
‘They don’t want to go digging because they know they’ll find dirt!’
@JoshxHowie, @JojoSutherland and @NickDixonComic react to Labour’s vote against a national inquiry on grooming gangs.
📺 Freeview 236, Sky 512, Virgin 604
🔒 Become a GB News Member: https://t.co/mNsRsGCG3N
Nigeria's SEC Director-General Emotimi Agama warns that some virtual asset service providers don't meet regulatory requirements. The SEC will provide clarity to assist with registration, but expects transparency and accountability.
📈 Nigeria has one of the largest crypto markets globally, but lacks specific laws and regulations . The goal is to create a well-regulated market that protects investors and promotes innovation.
👀 What do you think is key to achieving this goal? Share your thoughts!
That's it for today.
And remember, nothing in this thread is financial advice; all my content is for educational purposes only!
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The US DOJ plans to sell $6.5 billion in $BTC seized from Silk Road.
Is it time to really worry, or is this just local FUD and a good opportunity to buy the fear?
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Hundreds of farmers descend on Oxford and drown out Steve Reed's speech in cacophony of noise as Labour minister slammed for 'not listening'
https://t.co/tSZwlI843J