Search Results for author: Koji Tsumura

Found 3 papers, 0 papers with code

Deterministic Quantum Annealing Expectation-Maximization Algorithm

no code implementations19 Apr 2017 Hideyuki Miyahara, Koji Tsumura, Yuki Sughiyama

Maximum likelihood estimation (MLE) is one of the most important methods in machine learning, and the expectation-maximization (EM) algorithm is often used to obtain maximum likelihood estimates.

Relaxation of the EM Algorithm via Quantum Annealing for Gaussian Mixture Models

no code implementations12 Jan 2017 Hideyuki Miyahara, Koji Tsumura, Yuki Sughiyama

We propose a modified expectation-maximization algorithm by introducing the concept of quantum annealing, which we call the deterministic quantum annealing expectation-maximization (DQAEM) algorithm.

Relaxation of the EM Algorithm via Quantum Annealing

no code implementations5 Jun 2016 Hideyuki Miyahara, Koji Tsumura

The EM algorithm is a novel numerical method to obtain maximum likelihood estimates and is often used for practical calculations.

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