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  Texton segregation by associated differences in global and local luminance distribution.

Nothdurft, H. C. (1990). Texton segregation by associated differences in global and local luminance distribution. Proceedings of the Royal Society of London Series B-Biological Sciences, 239(1296), 295-320. doi:10.1098/rspb.1990.0018.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-0DF6-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-3659-2
Genre: Journal Article

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Nothdurft, H. C.1, Author              
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1Abteilung Neurobiologie, MPI for biophysical chemistry, Max Planck Society, ou_578620              

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 Abstract: Perceptual segregation of visual textures has been attributed to certain features ('textons') such as (elongated) blobs of given size and orientation, line crossings, and line ends. Differences in the spatial distribution of these features were assumed to be detected pre-attentively and to provide the instantaneous impression of segregating texture areas and of borders between them. This paper questions the validity of this general view and, in particular, the role of some of these features in texture discrimination. It is demonstrated that for some textons, perceptual segregation is independent of detection and discrimination of the texton itself. In addition, segregation can be strongly affected by positional or luminance jitter of texture elements or by other modifications that change the luminance distribution in the pattern but do not affect the supposed texton differences. From the textons reported in the literature, only differences in orientation were found to be fairly robust against such modifications.

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Language(s): eng - English
 Dates: 1990-04-23
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: DOI: 10.1098/rspb.1990.0018
ISI: A1990DC33900003
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Title: Proceedings of the Royal Society of London Series B-Biological Sciences
Source Genre: Journal
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Pages: - Volume / Issue: 239 (1296) Sequence Number: - Start / End Page: 295 - 320 Identifier: ISSN: 0962-8452