Stitched Value Model for Diffusion Alignment
Hyojun Go, Hyungjin Chung, Prune Truong, Goutam Bhat, Li Mi, Zhaochong An, Zixiang Zhao, Dominik Narnhofer, Serge Belongie, Federico Tombari, Konrad Schindler
arXiv preprint 2026
Established that noisy-latent value estimation is essential to both diffusion RL post-training and inference-time steering, and introduced model stitching to turn pixel-space reward models into value models over noisy latents.






















