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Author
Robert Benavente; Maria Vanrell; Ramon Baldrich
Title
Estimation of Fuzzy Sets for Computational Colour Categorization
Type
Journal
Year
2004
Publication
Color Research and Application, 29(5):342–353 (IF: 0.739)
Abbreviated Journal
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Summary Language
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Notes
CIC
Approved
no
Call Number
CAT @ cat @ BVB2004
Serial
484
Permanent link to this record
Author
Robert Benavente; C. Alejandro Parraga; Maria Vanrell
Title
Colour categories boundaries are better defined in contextual conditions
Type
Journal Article
Year
2009
Publication
Perception
Abbreviated Journal
PER
Volume
38
Issue
Pages
36
Keywords
Abstract
In a previous experiment [Parraga et al, 2009 Journal of Imaging Science and Technology 53(3)] the boundaries between basic colour categories were measured by asking subjects to categorize colour samples presented in isolation (ie on a dark background) using a YES/NO paradigm. Results showed that some boundaries (eg green – blue) were very diffuse and the subjects' answers presented bimodal distributions, which were attributed to the emergence of non-basic categories in those regions (eg turquoise). To confirm these results we performed a new experiment focussed on the boundaries where bimodal distributions were more evident. In this new experiment rectangular colour samples were presented surrounded by random colour patches to simulate contextual conditions on a calibrated CRT monitor. The names of two neighbouring colours were shown at the bottom of the screen and subjects selected the boundary between these colours by controlling the chromaticity of the central patch, sliding it across these categories' frontier. Results show that in this new experimental paradigm, the formerly uncertain inter-colour category boundaries are better defined and the dispersions (ie the bimodal distributions) that occurred in the previous experiment disappear. These results may provide further support to Berlin and Kay's basic colour terms theory.
Address
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Notes
CIC
Approved
no
Call Number
CAT @ cat @ BPV2009
Serial
1192
Permanent link to this record
Author
Maria Vanrell; Jordi Vitria; Xavier Roca
Title
A multidimensional scaling approach to explore the behavior of a texture perception algorithm.
Type
Journal Article
Year
1997
Publication
Machine Vision and Applications
Abbreviated Journal
Volume
9
Issue
Pages
262–271
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OR;ISE;CIC;MV
Approved
no
Call Number
BCNPCL @ bcnpcl @ VVR1997
Serial
35
Permanent link to this record
Author
Maria Vanrell; Jordi Vitria
Title
Optimal 3x3 decomposable disks for morphological transformations
Type
Journal
Year
1997
Publication
Image and Vision Computing, 15(2): 845–854
Abbreviated Journal
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OR;CIC;MV
Approved
no
Call Number
BCNPCL @ bcnpcl @ VaV1997c
Serial
543
Permanent link to this record
Author
Xavier Otazu; Oriol Pujol
Title
Wavelet based approach to cluster analysis. Application on low dimensional data sets
Type
Journal Article
Year
2006
Publication
Pattern Recognition Letters
Abbreviated Journal
PRL
Volume
27
Issue
14
Pages
1590–1605
Keywords
Abstract
Address
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Notes
MILAB; CIC; HuPBA
Approved
no
Call Number
BCNPCL @ bcnpcl @ OtP2006
Serial
658
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