An eigenspace iteration factors an orthogonal matrix into a minimal product of Householder reflections, and the paper asserts that two binary-coded samples identify a Householder dictionary.
Complete dictionary recovery over the sphere,
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Exploring the Limitations of Structured Orthogonal Dictionary Learning
An eigenspace iteration factors an orthogonal matrix into a minimal product of Householder reflections, and the paper asserts that two binary-coded samples identify a Householder dictionary.