Don't Start from Scratch: Behavioral Refinement via Interpolant-based Policy Diffusion

K Chen, E Lim, K Lin, Y Chen, H Soh - arXiv preprint arXiv:2402.16075, 2024 - arxiv.org
policy results in better target policies. We then turn to a practical approach for incorporating
source policies into diffusion … (Behavioral Refinement via Interpolantbased Diffusion for …

Revisiting energy based models as policies: Ranking noise contrastive estimation and interpolating energy models

S Singh, S Tu, V Sindhwani - arXiv preprint arXiv:2309.05803, 2023 - arxiv.org
… While IBC is considered state of the art for EBM behavioral cloning, follow up … policies which
are competitive with, and even outperform, diffusion and stochastic interpolant based policies

Vla-touch: Enhancing vision-language-action models with dual-level tactile feedback

J Bi, KY Ma, C Hao, MZ Shou, H Soh - arXiv preprint arXiv:2507.17294, 2025 - arxiv.org
… , we adopt an interpolant-based diffusion controller called BRIDGeR [44] to refine VLA-generated
actions using tactile feedback. Unlike conventional diffusion models that start from …

CDP: Towards Robust Autoregressive Visuomotor Policy Learning via Causal Diffusion

J Ma, Y Qin, Y Li, X Liao, Y Guo, R Zhang - arXiv preprint arXiv …, 2025 - arxiv.org
Diffusion Policy (DP) enables robots to learn complex behaviors by imitating expert
demonstrations through … process, ie utilizing the robot’s observations as the condition to refine

LTLDoG: Satisfying temporally-extended symbolic constraints for safe diffusion-based planning

Z Feng, H Luan, P Goyal, H Soh - IEEE Robotics and …, 2024 - ieeexplore.ieee.org
… As discussed above, these methods were designed for static safety criteria, and the lack the
ability to satisfy temporally extended behaviors. Our work inherits the advantages of diffusion

Imitation learning with limited actions via diffusion planners and deep Koopman controllers

J Bi, K Lim, K Chen, Y Huang… - 2025 IEEE International …, 2025 - ieeexplore.ieee.org
… Abstract—Recent advances in diffusion-based robot policies have demonstrated significant
potential in imitating multimodal behaviors. However, these approaches typically require …

Imle policy: Fast and sample efficient visuomotor policy learning via implicit maximum likelihood estimation

K Rana, R Lee, D Pershouse… - arXiv preprint arXiv …, 2025 - arxiv.org
using generative modelling techniques like diffusion, have enabled … Policy, a novel behaviour
cloning approach based on Implicit Maximum Likelihood Estimation (IMLE). IMLE Policy

Voronoi cell finite difference method for the diffusion operator on arbitrary unstructured grids

N Sukumar - International Journal for Numerical Methods in …, 2003 - Wiley Online Library
… In this study, we do observe the supraconvergence behaviourusing the Tanemura-Ogawa-Ogita
algorithm [73] and subsequent refinement is based on incremental point insertion using

Prior does matter: Visual navigation via denoising diffusion bridge models

H Ren, Y Zeng, Z Bi, Z Wan… - Proceedings of the …, 2025 - openaccess.thecvf.com
diffusion bridges on policy diffusion, we chose NoMaD, the first approach to apply policy
diffusion to … Behavioral refinement via interpolant-based policy diffusion. arXiv preprint arXiv:…

SeFA-Policy: Fast and Accurate Visuomotor Policy Learning with Selective Flow Alignment

R Xue, J Mao, M Zhang, Y Wang - arXiv preprint arXiv:2511.08583, 2025 - arxiv.org
… balance refinement capability and efficiency: too small values limit available expert actions
for refinement, … achieves a success rate exceeding 80% on 31 tasks, whereas Diffusion Policy