Few-Shot Personalized Age Estimation
Jakub Paplh\'am, Vojt\v{e}ch Franc, Artem Moroz

TL;DR
This paper introduces OpenPAE, an open benchmark for few-shot personalized age estimation, demonstrating that personalization and nonlinear methods improve age prediction accuracy.
Contribution
It presents the first open benchmark for N-shot personalized age estimation and evaluates various baseline methods, showing the benefits of personalization.
Findings
Personalization improves age estimation performance.
Nonlinear methods outperform simpler baselines.
OpenPAE enables standardized evaluation of personalized age estimation.
Abstract
Existing age estimation methods treat each face as an independent sample, learning a global mapping from appearance to age. This ignores a well-documented phenomenon: individuals age at different rates due to genetics, lifestyle, and health, making the mapping from face to age identity-dependent. When reference images of the same person with known ages are available, we can exploit this context to personalize the estimate. The only existing benchmark for this task (NIST FRVT) is closed-source and limited to a single reference image. In this work, we introduce OpenPAE, the first open benchmark for -shot personalized age estimation with strict evaluation protocols. We establish a hierarchy of increasingly sophisticated baselines: from arithmetic offset, through closed-form Bayesian linear regression, to a conditional attentive neural process. Our experiments show that personalization…
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