Active mutual conjoint estimation of multiple contrast sensitivity functions. Marticorena, D. C. P., Wong, Q. W., Browning, J., Wilbur, K., Davey, P. G., Seitz, A. R., Gardner, J. R., & Barbour, D. L. Journal of Vision, 24(8):6, August, 2024. doi abstract bibtex Recent advances in nonparametric contrast sensitivity function (CSF) estimation have yielded a new tradeoff between accuracy and efficiency not available to classical parametric estimators. An additional advantage of this new framework is the ability to independently tune multiple aspects of the estimator to seek further improvements. Machine learning CSF estimation with Gaussian processes allows for design optimization in the kernel, acquisition function, and underlying task representation, to name a few. This article describes a novel kernel for CSF estimation that is more flexible than a kernel based on strictly functional forms. Despite being more flexible, it can result in a more efficient estimator. Further, trial selection for data acquisition that is generalized beyond pure information gain can also improve estimator quality. Finally, introducing latent variable representations underlying general CSF shapes can enable simultaneous estimation of multiple CSFs, such as from different eyes, eccentricities, or luminances. The conditions under which the new procedures perform better than previous nonparametric estimation procedures are presented and quantified.
@article{marticorena_active_2024,
title = {Active mutual conjoint estimation of multiple contrast sensitivity functions},
volume = {24},
issn = {1534-7362},
doi = {10.1167/jov.24.8.6},
abstract = {Recent advances in nonparametric contrast sensitivity function (CSF) estimation have yielded a new tradeoff between accuracy and efficiency not available to classical parametric estimators. An additional advantage of this new framework is the ability to independently tune multiple aspects of the estimator to seek further improvements. Machine learning CSF estimation with Gaussian processes allows for design optimization in the kernel, acquisition function, and underlying task representation, to name a few. This article describes a novel kernel for CSF estimation that is more flexible than a kernel based on strictly functional forms. Despite being more flexible, it can result in a more efficient estimator. Further, trial selection for data acquisition that is generalized beyond pure information gain can also improve estimator quality. Finally, introducing latent variable representations underlying general CSF shapes can enable simultaneous estimation of multiple CSFs, such as from different eyes, eccentricities, or luminances. The conditions under which the new procedures perform better than previous nonparametric estimation procedures are presented and quantified.},
language = {eng},
number = {8},
journal = {Journal of Vision},
author = {Marticorena, Dom C. P. and Wong, Quinn Wai and Browning, Jake and Wilbur, Ken and Davey, Pinakin Gunvant and Seitz, Aaron R. and Gardner, Jacob R. and Barbour, Dennis L.},
month = aug,
year = {2024},
pmid = {39115833},
pmcid = {PMC11314691},
keywords = {Contrast Sensitivity, Humans, Machine Learning},
pages = {6},
}
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