Lihan Zha
@lihanzha
PhD @Princeton. Prev: BS @Tsinghua_uni, research intern @Stanford @MIT
ID: 1675702012841988101
https://lihzha.github.io/ 03-07-2023 03:04:42
16 Tweet
189 Followers
152 Following
At #ICRA24 we've a few papers on ๐ด๐ฟ๐ผ๐๐ป๐ฑ๐ฒ๐ฑ ๐ฟ๐ฒ๐ฎ๐๐ผ๐ป๐ถ๐ป๐ด of LLMs/VLMs. โข Grounded common-sense reasoning via active perception - Minae Kwon's ๐งต๐ โข Physically grounding VLMs - Jensen Gao's ๐งต๐ โข Learning from online language corrections - @lihanzha's ๐งต๐
A capable hardware can unlock the potential of existing algorithms in many ways. Stay tuned for more exciting developments on this hardware! Congratulations to Yen-Jen Wang and my undergraduate advisor, Jianyu Chen!
Congrats Yuchen Cui!! Your mentorship during my Stanford internship was invaluable. Wishing you all the best in your future endeavors! ๐
I received tenure at #Princeton! Itโs been an incredible journey, and I am immensely grateful to my group, collaborators, mentors, and family. Looking forward to continuing our work on making ๐ค more trustworthy! I will be on sabbatical 2024-25, spending time at Google DeepMind.
๐Introducing DPPO, Diffusion Policy Policy Optimization DPPO optimizes pre-trained Diffusion Policy using policy gradient from RL, showing ๐๐๐ฟ๐ฝ๐ฟ๐ถ๐๐ถ๐ป๐ด ๐ถ๐บ๐ฝ๐ฟ๐ผ๐๐ฒ๐บ๐ฒ๐ป๐๐ over a variety of baselines across benchmarks and sim2real transfer diffusion-ppo.github.io