Perttu Hämäläinen
@perttu_h
Researching and building games/VR/XR/HCI/AI. Assoc. Prof. @AaltoUniversity. Advisor @valomotion, @HypeHypeInc. Student of human movement (dance,🧗♂️,🤸♂️,🥋…)
ID:287705061
http://perttu.info 25-04-2011 14:34:57
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💥 Remember the viral Climball game? Now, get ready for 𝐂𝐥𝐢𝐦𝐛𝐚𝐥𝐥 𝐋𝐞𝐠𝐞𝐧𝐝𝐬! 🏆🧗 Dynamic gameplay, fixed duration, perfect for competitions, and repeat play. Learn more: hubs.ly/Q02yd1xx0
#ValoMotion #ValoClimb #ClimballLegends
Want a chance to win a £50 voucher by playing video games after work? Then take part in Jon Mella's study exploring how gaming can influences our ability to unwind! You will be contributing to games research & provided with advice about gaming. Sign-up: sites.google.com/view/stressque…
👀 some work from 🇫🇮 at #CHI2024
💃 #VirtualReality Dance, Perttu Hämäläinen: aalto.fi/en/news/resear…
🏅 Simulating Touchscreen Typing via Computational Rationality, Antti Oulasvirta: aalto.fi/en/news/teachi…
🤖 AI placebo effect, Robin Welsch: aalto.fi/en/news/just-b…
cc Aalto Techsperts
Guest Lecture: Path Tracing Technology in Alan Wake 2, Aalto University lecture hall T1, Konemiehentie 2, Espoo, Wed 22 May, 12:15-14:00 (hosted by Aalto's graphics professor and ex. Remedian Jaakko Lehtinen)
Build what you need and use what you build. This is a core philosophy of my research. It shifts the focus away from publishing “papers” to what really matters — impact. This thread unpacks why I think this is a successful approach to science. 1/10 Or see:
perceiving-systems.blog/en/post/build-…
At #CHI2024 , we try to do justice to #crowdsourcing by answering this question:
How does GPT-4's labeling ability compare to that of a realistic, well-executed MTurk *pipeline*?
Led by Steven He@CHI2024, we publish our love letter to crowdsourcing: arxiv.org/abs/2402.16795 #LLM 1/🧵
Lots of algorithms online for converting from rotation matrices to quaternions have unstable gradients when transcribed to PyTorch.
This is the best I've found and seems both smooth and stable (from this article by Mike Day d3cw3dd2w32x2b.cloudfront.net/wp-content/upl…):
gist.github.com/orangeduck/e1d…