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Gregor

@gregorbachmann.bsky.social
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PhD student at ETHZ

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Reposted by Gregor
Ayca Takmaz @aycatakmaz.bsky.social · 16/01/2025
I will be giving a talk on open-vocabulary 3D scene understanding at the next ZurichCV meetup! 🗓️ Date: Thursday, January 23rd 18:00 CET 📍Location: @ETH_AI_Center, please see zurichai.ch/events/zurichcv-7 for additional details!
zurichai.ch
ZurichCV #7 | ZurichAI
Ayca Takmaz on open-vocabulary 3D scene understanding.
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Reposted by Gregor
Tiago Pimentel @tpimentel.bsky.social · 20/12/2024
BPE is a greedy method to find a tokeniser which maximises compression! Why don't we try to find properly optimal tokenisers instead? Well, it seems this is a pretty difficult—in fact, NP-complete—problem!🤯 New paper + @philipwitti.bsky.social @gregorbachmann.bsky.social :) arxiv.org/abs/2412.15210
arxiv.org
Tokenisation is NP-Complete
In this work, we prove the NP-completeness of two variants of tokenisation, defined as the problem of compressing a dataset to at most $δ$ symbols by either finding a vocabulary directly (direct token...
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