@janmatthis

Research scientist @GoogleAI: https://xitter.cf/t.co/whFMXcyxq5 https://xitter.cf/t.co/ycPSxtdB43

Zurich, Switzerland
Joined September 2010
jan-matthis retweeted
In collaboration with HHMI Janelia & Harvard, we introduce ZAPBench, a whole-brain activity dataset and benchmark with single cell resolution of a larval zebrafish, which will enable development and comparison of more accurate brain activity models. →goo.gle/44rEpsn
27
113
10
481
39,734
Can we predict future brain activity in a small vertebrate?🤔 We're releasing ZAPBench⚡️(#ICLR2025 spotlight): a benchmark to forecast activity in a whole vertebrate brain🧠 at single-cell resolution!🐟 70k+ neurons, 3 TB of data & extensive baselines. Connectome is coming! 🧵👇
9
97
6
322
28,132
jan-matthis retweeted
Happy to announce a Student Researcher opportunity in our team @GoogleDeepMind in Mountain View, California ☀️ If you’re excited about foundational research on controllability of visual/3D generative models, please consider applying: deepmind.google/about/career…
3
20
2
137
27,820
jan-matthis retweeted
Introducing TensorStore, an open-source C++ and Python library designed for storage and manipulation of n-dimensional data, which can address key engineering challenges in scientific computing through better management and processing of large datasets. goo.gle/3Ly9e30
32
468
55
2,020
A few weeks ago, I defended my PhD! My thesis is now online: dx.doi.org/10.15496/publikat… I am immensely grateful to @jakhmack, my fantastic co-authors, committee, and everyone who supported me on the way! 1/2
1
1
1
33
I joined Google's Connectomics team as a research scientist in May -- very excited about the opportunities ahead! 2/2
2
18
Simulation-based inference (SBI) has accelerated model-building across many disciplines. It’s also useful for studying cognition: We present Mixed Neural Likelihood Estimation, an SBI method tailored to models of decision-making! By @janfiete @janmatthis @_rdgao @jakhmack 1/5
1
29
5
98
You like GANs, SBI, and the 100-yr anniversary of Jay Gatsby staring at a green light across the Long Island bay? Check out “GATSBI:Generative Adversarial Training for SBI” accepted at ICLR 2022! With @pramesh95 @janmatthis @janfiete @alvorithm @dvdgbg @ppjgoncalves @jakhmack 1/6
1
8
4
33
🪂 Now available! Slides + notebooks for our ongoing #SBI2021 workshop - content by @deismic_, @alvorithm, @janfiete, @janmatthis, @dvdgbg, @ppjgoncalves, reviewing and much help by @alpiges and Stefan Wezel. @KyleCranmer @HeissenBergsUnc @glouppe @bkmi13 @ml4science @mackelab
1
13
34
Want to learn how to get more out of your simulator with machine learning? Apply now to become one of 20 participants of our 3-day, hands-on workshop on simulation-based inference! Sign up here! → events.hifis.net/event/167/ ←⏬
1
12
2
17
jan-matthis retweeted
Pyro 1.7 is released: PyTorch 1.9, biological sequence models, streaming MCMC for big models, AutoStructured guide, reparametrizer initialization, 3 tutorials, 8 distributions. Thanks Eli Weinstein @vitaliikl @nning_ola @mt_sokol @kamathhrishi @ordabayevy github.com/pyro-ppl/pyro/rel…
Attending #AISTATS2021? I'll be presenting "Benchmarking Simulation-Based Inference" today at 16:30 CEST, come stop by! Poster: virtual.aistats.org/virtual/… Paper: proceedings.mlr.press/v130/l… Website: sbi-benchmark.github.io Work with @janfiete, @dvdgbg, @ppjgoncalves and @jakhmack
1
14
2
56
Almost what I said.. Found poetry in SlidesLive's automated captioning
2
11
The new and improved version of our review paper on normalizing flows is out! Now published in the Journal of Machine Learning Research @JmlrOrg jmlr.org/papers/v22/19-1028.…
2
43
1
288
jan-matthis retweeted
Multiple circuit settings of the🦞STG achieve the same network activity. But which of those⚙️ are energy efficient? Find out at #Cosyne21 Poster 3-027 (a+b, 2-4pm + 9-11pm CET) by @deismic_ @ppjgoncalves! youtu.be/YF1aAE7uqVQ The answer will surprise you. ↗️ promoted
4
2
14
jan-matthis retweeted
Simulation-based inference algorithms are useful to identify parameters of simulators from data. But there are so many approaches - how do they compare? We made a benchmark! With @janmatthis @janfiete @dvdgbg @ppjgoncalves arxiv.org/abs/2101.04653 sbi-benchmark.github.io 1/n
1
19
2
55
Excited to share our new paper on benchmarking simulation-based inference! Check out our interactive website w/short summary With @janfiete, @dvdgbg, @ppjgoncalves and @jakhmack Paper: arxiv.org/abs/2101.04653 Code: github.com/sbi-benchmark/sbi… sbi-benchmark.github.io
2
20
4
48
Dream of working with scientists and top ML people on exciting research challenges, from climate change to education? Looking for a creative & curious researcher at the ML ⇌ Science Colaboratory, part of @ml4science at @uni_tue. Read on uni-tuebingen.de/en/universi… Please share!
1
18
4
15
jan-matthis retweeted
Pyro 1.4 is released with a new module for epidemiological compartmental modeling, 4 new tutorials, 10 new flows/transforms, 6 new distributions, 2 new reparameterizers, improvements to MCMC and SMC, a new init method, experimental RandomVariable syntax github.com/pyro-ppl/pyro/rel…
26
4
124
Do you use numerical simulations, but are struggling to find parameters which make your model fit data? Simulation-based inference doi.org/10.1073/pnas.1912789… can come to the rescue. We are releasing sbi, a toolbox to explore new #SBI methods, mackelab.org/sbi 1/6
2
26
4
43