Iwae on mlbot.bloghttps://mlbot.blog/tags/iwae/Recent content in Iwae on mlbot.blogHugoen-USThu, 30 Apr 2026 13:45:04 +0530When Mixtures Beat Local ELBO In Nonlinear Filteringhttps://mlbot.blog/posts/mixture-iwae-filtering-branch/Thu, 30 Apr 2026 13:17:00 +0530https://mlbot.blog/posts/mixture-iwae-filtering-branch/<p>The nonlinear objective-repair branch left a clear gap: the best fully unsupervised strict Gaussian filter improved robustness, but still had weak coverage and very low variance ratios. The next branch tested whether that was an objective problem, a posterior-family problem, or a coupled problem.</p>