3 papers
cs.AI2026
Fast LapSum: Exact Differentiable Top- at Million Scale
Łukasz Struski, Joanna Wojciechowicz, Jakub Antczak +3
Selecting the top- elements is a fundamental operation for inducing sparsity in large-scale models and optimization problems, enabling robust expert activation, token routing or…
cs.LG2026
LaPrune: Controllable Differentiable Sparsity at Million Scale
Jakub Antczak, Joanna Wojciechowicz, Łukasz Struski +1
Top- selection determines which components of a sparse model remain active. Hard selection blocks gradients, while continuous relaxations often couple mask hardness to the selec…
cs.CV2026
VIGIL: Tackling Hallucination Detection in Image Recontextualization
Joanna Wojciechowicz, Maria Łubniewska, Jakub Antczak +4
We introduce VIGIL (Visual Inconsistency & Generative In-context Lucidity), a benchmark dataset and framework that provides a fine-grained categorization of hallucinations in the m…