Research map / Learning theory and algorithms / Matrix and tensor methods
Online Convex Matrix Factorization with Representative Regions
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Use online rather than non-online cvxMF | cvxMF · Datasets with 10^4 samples | runtime: four times faster | Helped |
| Use online rather than non-online cvxMF | cvxMF · Larger datasets | scalability | Helped |
| Restrict representative samples to their corresponding clusters (ablation) | Online cvxMF · MNIST | eigenimage interpretability | Helped |
| Use unrestricted representative regions rather than regions restricted to corresponding clusters (ablation) | Online cvxMF · MNIST | eigenimage interpretability | Hurt |
| Use representative-set convex bases instead of unconstrained MF bases | Online cvxMF · Synthetic Gaussian mixtures | cluster interpretability | Helped |
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