activity
20152025
most citedInhibited Softmax for Uncertainty Estimation in Neural Networks

21 citations · 21 across the 6 of their papers we have counts for

collaborators

6 papers

cs.LG2025

The Spacetime of Diffusion Models: An Information Geometry Perspective

Rafał Karczewski, Markus Heinonen, Alison Pouplin +2

We present a novel geometric perspective on the latent space of diffusion models. We first show that the standard pullback approach, utilizing the deterministic probability flow OD…

cs.LG2025

Devil is in the Details: Density Guidance for Detail-Aware Generation with Flow Models

Rafał Karczewski, Markus Heinonen, Vikas Garg

Diffusion models have emerged as a powerful class of generative models, capable of producing high-quality images by mapping noise to a data distribution. However, recent findings s…

cs.CV2024

Diffusion Models as Cartoonists: The Curious Case of High Density Regions

Rafał Karczewski, Markus Heinonen, Vikas Garg

We investigate what kind of images lie in the high-density regions of diffusion models. We introduce a theoretical mode-tracking process capable of pinpointing the exact mode of th…

cs.LG2024

What Ails Generative Structure-based Drug Design: Expressivity is Too Little or Too Much?

Rafał Karczewski, Samuel Kaski, Markus Heinonen +1

Several generative models with elaborate training and sampling procedures have been proposed to accelerate structure-based drug design (SBDD); however, their empirical performance…

cs.LG2018★ 21 cited

Inhibited Softmax for Uncertainty Estimation in Neural Networks

Marcin Możejko, Mateusz Susik, Rafał Karczewski

We present a new method for uncertainty estimation and out-of-distribution detection in neural networks with softmax output. We extend softmax layer with an additional constant inp…

math.PR2015

Linearity of regression for weak records, revisited

Rafał Karczewski, Jacek Wesołowski

Since many years characterization of distribution by linearity of regression of non-adjacent weak records E(W_{i+s}|W_i) = β_1 W_i+β_0 for discrete observations has been known to b…