3 papers
eess.AS2026
Discrete optimal transport is a strong audio adversarial attack
Anton Selitskiy, Akib Shahriyar, Jishnuraj Prakasan
In this paper, we investigate discrete optimal transport (DOT) as a black-box attack against modern automatic speaker verification (ASV) and anti-spoofing countermeasure (CM) syste…
eess.AS2026
Discrete Optimal Transport and Voice Conversion
Anton Selitskiy, Maitreya Kocharekar
We propose kDOT, a discrete optimal transport (OT) framework for voice conversion (VC) operating in a pretrained speech embedding space. In contrast to the averaging strategies use…
math.OC2026
Stability of the Monge Map in Semi-Dual Optimal Transport
Anton Selitskiy, David Millard
This paper shows that the semi-dual formulation of the optimal transport problem has a degenerate saddle-point structure, and that its numerical solution is equivalent to solving a…