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  Perception of spatiotemporal random fractals: an extension of colorimetric methods to the study of dynamic texture

Billock, V., Cunningham, D., Havig, P., & Tsou, B. (2001). Perception of spatiotemporal random fractals: an extension of colorimetric methods to the study of dynamic texture. Journal of the Optical Society of America A, 18(10), 2404-2413. doi:10.1364/josaa.18.002404.

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Billock, VA, Author
Cunningham, DW1, Author           
Havig, PR, Author
Tsou, BH, Author
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1External Organizations, ou_persistent22              

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 Abstract: Recent work establishes that static and dynamic natural images have fractal-like 1/f spatiotemporal spectra. Artifical textures, with randomized phase spectra, and 1/f amplitude spectra are also used in studies of texture and noise perception. Influenced by colorimetric principles and motivated by the ubiquity of 1/f spatial and temporal image spectra, we treat the spatial and temporal frequency exponents as the dimensions characterizing a dynamic texture space, and we characterize two key attributes of this space, the spatiotemporal appearance map and the spatiotemporal discrimination function (a map of MacAdam-like just-noticeable-difference contours).

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 Dates: 2001-10
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: 1238
DOI: 10.1364/josaa.18.002404
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Title: Journal of the Optical Society of America A
Source Genre: Journal
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Publ. Info: Washington, D.C. : The Society
Pages: - Volume / Issue: 18 (10) Sequence Number: - Start / End Page: 2404 - 2413 Identifier: ISSN: 0740-3232
CoNE: https://pure.mpg.de/cone/journals/resource/954925538151_1