Task-dependent extraction of information from videos of iridescent and glossy samples

Li Shiwen; Takuma Morimoto; Julie M. Harris; Hannah E. Smithson

doi:10.1364/josaa.479795

Task-dependent extraction of information from videos of iridescent and glossy samples

Li Shiwen^*, Takuma Morimoto, Julie M. Harris, Hannah E. Smithson

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We present an exploratory study on iridescence that revealed systematic differences in the perceptual clustering of glossy and iridescent samples that was driven by instructions to focus on either the material or the color properties of the samples. Participants’ similarity ratings of pairs of video stimuli, showing the samples from multiple views, were analyzed using multidimensional scaling (MDS), and differences between the MDS solutions for the two tasks were consistent with flexible weighting of information from different views of the samples. These findings point to ecological implications for how viewers perceive and interact with the color-changing properties of iridescent objects.

Original language	English
Pages (from-to)	A160-A168
Number of pages	9
Journal	Journal of the Optical Society of America A: Optics and Image Science, and Vision
Volume	40
Issue number	3
Early online date	21 Feb 2023
DOIs	https://doi.org/10.1364/josaa.479795
Publication status	Published - 1 Mar 2023

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10.1364/josaa.479795Licence: CC BY

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Copyright © 2023 Optica Publishing Group. Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/). Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
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AB - We present an exploratory study on iridescence that revealed systematic differences in the perceptual clustering of glossy and iridescent samples that was driven by instructions to focus on either the material or the color properties of the samples. Participants’ similarity ratings of pairs of video stimuli, showing the samples from multiple views, were analyzed using multidimensional scaling (MDS), and differences between the MDS solutions for the two tasks were consistent with flexible weighting of information from different views of the samples. These findings point to ecological implications for how viewers perceive and interact with the color-changing properties of iridescent objects.

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Task-dependent extraction of information from videos of iridescent and glossy samples

Abstract

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