activity
20172026
most citedLoss function based second-order Jensen inequality and its application to particle variational inference

2 citations · 8 across the 14 of their papers we have counts for

collaborators

17 papers

stat.ML2026

Information-Theoretic Generalization Bounds for Sequential Decision Making

Futoshi Futami, Masahiro Fujisawa

Information-theoretic generalization bounds based on the supersample construction are a central tool for algorithm-dependent generalization analysis in the batch i.i.d.~setting. Ho…

stat.ML2026

Unified Approach for Weakly Supervised Multicalibration

Futoshi Futami, Takashi Ishida

Multicalibration requires predicted scores to agree with label probabilities across rich families of subgroups and score-dependent tests, but existing methods require clean input-l…

cs.LG2026

Robust and Computationally Efficient Linear Contextual Bandits under Adversarial Corruption and Heavy-Tailed Noise

Naoto Tani, Futoshi Futami

We study linear contextual bandits under adversarial corruption and heavy-tailed noise with finite -th moments for some . Existing work that addresses both adver…

stat.ML2025

Data-driven Projection Generation for Efficiently Solving Heterogeneous Quadratic Programming Problems

Tomoharu Iwata, Futoshi Futami

We propose a data-driven framework for efficiently solving quadratic programming (QP) problems by reducing the number of variables in high-dimensional QPs using instance-specific p…

cs.LG2025

-Regularized Empirical Risk Minimization Guarantees Small Smooth Calibration Error

Masahiro Fujisawa, Futoshi Futami

Calibration of predicted probabilities is critical for reliable machine learning, yet it is poorly understood how standard training procedures yield well-calibrated models. This wo…

stat.ML2025

Information-theoretic Generalization Analysis for VQ-VAEs: A Role of Latent Variables

Futoshi Futami, Masahiro Fujisawa

Latent variables (LVs) play a crucial role in encoder-decoder models by enabling effective data compression, prediction, and generation. Although their theoretical properties, such…