Analysis of rayleigh match data with psychometricfunctions
Journal of the Optical Society of America A: Optics and Image Science, and Vision, ISSN: 1520-8532, Vol: 10, Issue: 8, Page: 1807-1817
1993
- 6Citations
- 8Captures
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Metrics Details
- Citations6
- Citation Indexes6
- CrossRef6
- Captures8
- Readers8
Article Description
Color matches have been used for a variety of purposes, yet the psychometric properties of color-matching data have not been thoroughly investigated. A method is given for generating psychometric functions for the two ends of the color-matching range by use of a perceptual dimension for stimulus magnitude based on ratios of cone quantal catches. The analysis was applied to Rayleigh match data gathered from 250 naive observers with an automated protocol. Slopes of the psychometric functions were significantly shallower for anomalous trichromats than for normal trichromats, consistent with the assumption that stimulus magnitude is based on ratios of cone quantal catches. These results indicate that the tester’s criterion for response consistency can strongly affect Rayleigh match widths. The analysis may also be useful for other perceptual tasks, such as contrast matching and spatial alignment. © 1993 Optical Society of America.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0027643381&origin=inward; http://dx.doi.org/10.1364/josaa.10.001807; http://www.ncbi.nlm.nih.gov/pubmed/8350163; https://opg.optica.org/abstract.cfm?URI=josaa-10-8-1807; https://www.osapublishing.org/abstract.cfm?URI=josaa-10-8-1807; https://www.osapublishing.org/viewmedia.cfm?URI=josaa-10-8-1807&seq=0; https://dx.doi.org/10.1364/josaa.10.001807; https://opg.optica.org/josaa/abstract.cfm?uri=josaa-10-8-1807
Optica Publishing Group
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