Colour in Context
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Computer Vision Center

Alejandro Párraga (PhD)

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Published abstracts
CPO2014a
Which Tone-Mapping is the best? A Comparative Study of Tone-Mapping Perceived Quality   ECVP Proofs_319.pdf
Xim Cerda-Company, C. Alejandro Parraga, Xavier Otazu
Perception - 2014
RPV2012
Predicting categorical colour perception in successive colour constancy   p187.pdf
Jordi Roca-Vila, C. Alejandro Parraga, Maria Vanrell
Perception, Volume 41, Number (Suppl.), page 138--138 - 2012
IF: 1.31. area: PSYCHOLOGY. Quartile: 3.
RPV2011
Categorical focal colours are structurally invariant under illuminant changes   p040.pdf
Jordi Roca-Vila, C. Alejandro Parraga, Maria Vanrell
Perception, European Conference on Visual Perception (ECVP´11), Volume 40, page 196 - 2011
IF: 1.313. area: PSYCHOLOGY. Quartile: 3.
PRV2011
Do basic colors influence chromatic adaptation?   p091.pdf
C. Alejandro Parraga, Jordi Roca-Vila, Maria Vanrell
Journal of Vision, Vision Sciences Society, Volume 11, page 349 - 2011
IF: 3.376. area: OPHTHALMOLOGY. Quartile: 1.
ROJ2011
Inter-individual variations in color naming and the structure of 3D color space   p127.pdf
Jordi Roca-Vila, A. Owen, G. Jordan, Y. Ling, C. Alejandro Parraga, A. Hurlbert
Journal of Vision, Vision Sciences Society, Volume 11, page 386 - 2011
IF: 3.376. area: OPHTHALMOLOGY. Quartile: 1.
PPV2011
Retinal filtering matches natural image statistics at low luminance levels   p199.pdf
C. Alejandro Parraga, Olivier Penacchio, Maria Vanrell
Perception, European Conference on Visual Perception (ECVP´11), Volume 40, page 96 - 2011
IF: 1.313. area: PSYCHOLOGY. Quartile: 3.
PeP2011
What is the best criterion for an efficient design of retinal photoreceptor mosaics?   p258.pdf
Olivier Penacchio, C. Alejandro Parraga
Perception, European Conference on Visual Perception (ECVP´11), Volume 40, page 197 - 2011
IF: 1.313. area: PSYCHOLOGY. Quartile: 3.
PPV2010
Natural Scenes Statistics account for Human Cones Ratios   18.pdf
Olivier Penacchio, C. Alejandro Parraga, Maria Vanrell
Perception, European Conference on Visual Perception (ECVP 2010), Number 39, page 101 - 2010
IF: 1.293. area: PSYCHOLOGY. Quartile: 3.
PBV2010
Towards a general model of colour categorization which considers context   p241.pdf
C. Alejandro Parraga, Robert Benavente, Maria Vanrell
Perception, European Conference on Visual Perception (ECVP´10), Volume 39, page 86 - Aug 2010
IF: 1.293. area: PSYCHOLOGY. Quartile: 3.
PVV2009
A new cone activation-based natural images dataset.   PVV09.pdf
C. Alejandro Parraga, Javier Vazquez-Corral, Maria Vanrell
Perception, European Conference on Visual Perception (ECVP´09), Volume 38, page 180 - Aug 2009
IF: 1.462. area: PSYCHOLOGY. Quartile: 3.
BPV2009
Colour categories boundaries are better defined in contextual conditions   ECVP2009_preprint_web.pdf
Robert Benavente, C. Alejandro Parraga, Maria Vanrell
Perception, European Conference on Visual Perception (ECVP 2009), Volume 38, page 36 - Aug 2009
IF: 1.462. area: PSYCHOLOGY. Quartile: 3.
VPV2009
Ordinal pairwise method for natural images comparison   VPV09.pdf
Javier Vazquez-Corral, C. Alejandro Parraga, Maria Vanrell
Perception, European Conference on Visual Perception (ECVP´09), Volume 38, page 180 - 2009
IF: 1.462. area: PSYCHOLOGY. Quartile: 3.
OVP2008a
Colour induction effects are modelled by a low-level multiresolution wavelet framework  
Xavier Otazu, Maria Vanrell, C. Alejandro Parraga
European Conference on Visual Perception (ECVP'08) - May 2008
IF: 1.61. area: psychology, experimental. Quartile: 2 32/72.
PBV2007
Modelling colour-naming space with fuzzy sets   ECVP07_preprint_web.pdf
C. Alejandro Parraga, Robert Benavente, Maria Vanrell, Ramon Baldrich
European Conference on Visual Perception (ECVP'07), Volume 36, page 198 - Aug 2007
IF: 1.61. area: Experimental Psychology. Quartile: 2 32/72.
OVP2007
Multiresolution Wavelet Framework Reproduces Induction Efects   p153.pdf
Xavier Otazu, Maria Vanrell, C. Alejandro Parraga
Perception, European Conference on Visual Perception (ECVP´07), Volume 36, page 167 - Aug 2007
IF: 1.617. area: PSYCHOLOGY. Quartile: 3.
TLP2006
Colour vision and illumination noise in primates and birds   p066.pdf
Tom Troscianko, P. George Lovell, C. Alejandro Parraga, R. Baddeley, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´06), Volume 35, page 227 - 2006
IF: 1.585. area: PSYCHOLOGY. Quartile: 3.
TCS2005
Detection of cryptic targets in avian vision: A field study   p081.pdf
Tom Troscianko, Innes Cuthill, Martin Stevens, L. Graham, S. Richardson, C. Alejandro Parraga
Perception, European Conference on Visual Perception (ECVP´05), Volume 34, page 47b - 2005
IF: 1.391. area: PSYCHOLOGY. Quartile: 3.
PLT2005
Modelling red-green and blue-yellow colour vision   p149.pdf
C. Alejandro Parraga, P. George Lovell, Tom Troscianko, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´05), Volume 34, page 155--156b - 2005
IF: 1.391. area: PSYCHOLOGY. Quartile: 3.
LTP2005a
Opponent channel responses to changes in the illuminant of natural scenes for primates and birds   p167.pdf
P. George Lovell, D.J. Tolhurst, C. Alejandro Parraga, R. Baddeley, U. Leonards, Tom Troscianko
Perception, European Conference on Visual Perception (ECVP´05), Volume 34, page 59b - 2005
IF: 1.391. area: PSYCHOLOGY. Quartile: 3.
PTT2004
A multi-resolution model for human chromatic and achromatic local-contrast discrimination   p017.pdf
C. Alejandro Parraga, Tom Troscianko, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´04), Volume 33, page 118b - 2004
IF: 1.271. area: PSYCHOLOGY. Quartile: 3.
SCS2004
Disruptive coloration and background pattern matching in insect crypsis   p090.pdf
Martin Stevens, Innes Cuthill, Jenna Sheppard, Tracey Maddocks, Tom Troscianko, C. Alejandro Parraga
Perception, European Conference on Visual Perception (ECVP´04), Volume 33, page 35b - 2004
IF: 1.271. area: PSYCHOLOGY. Quartile: 3.
TPL2004
Natural illumination, shadows, and primate colour vision   p161.pdf
Tom Troscianko, C. Alejandro Parraga, P. George Lovell, D.J. Tolhurst, R. Baddeley, U. Leonards
Perception, European Conference on Visual Perception (ECVP´04), Volume 33, page 45b - 2004
IF: 1.271. area: PSYCHOLOGY. Quartile: 3.
TPL2003
Leaves, fruit, shadows, and lighting in Kibale Forest   p137.pdf
Tom Troscianko, C. Alejandro Parraga, U. Leonards, R. Baddeley, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´03), Volume 32, page 51b - 2003
IF: 1.259. area: PSYCHOLOGY. Quartile: 3.
PTT2003
Performing a naturalistic visual task when the spatial structure of colour in natural scenes is changed   p181.pdf
C. Alejandro Parraga, Tom Troscianko, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´03), Volume 32, page 168b - 2003
IF: 1.259. area: PSYCHOLOGY. Quartile: 3.
ToP2003
Visual discrimination of natural-scene stimuli by amblyopic people   p252.pdf
D.J. Tolhurst, C. Alejandro Parraga
Journal of Physiology, Volume 548P, page O75 - 2003
TTP2002
Complex scenes, simple neurons, and complex applications   p068.pdf
Tom Troscianko, D.J. Tolhurst, C. Alejandro Parraga
Perception, European Conference on Visual Perception (ECVP´02), Volume 31, page 383b - 2002
IF: 1.314. area: PSYCHOLOGY.
PTT2002a
Limitations of a low-level model of discrimination of changes between images   p138.pdf
C. Alejandro Parraga, Tom Troscianko, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´02), Volume 31, page 140b - 2002
IF: 1.314. area: PSYCHOLOGY.
TPT2002
Spatiochromatic information in natural scenes   p210.pdf
Tom Troscianko, C. Alejandro Parraga, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´02), Volume 31, page 149b - 2002
IF: 1.314. area: PSYCHOLOGY.
PTT2001a
Fourier statistics of fruit in foliage - a match with human contrast sensitivity?   p106.pdf
C. Alejandro Parraga, Tom Troscianko, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´01), Volume 30, page 109b - 2001
IF: 1.31. area: PSYCHOLOGY.
PTT2001
Human red-green chrominance contrast sensitivity is matched to the spatiochromatic Fourier spectra of images of fruit in foliage   p117.pdf
C. Alejandro Parraga, Tom Troscianko, D.J. Tolhurst
Journal of Physiology, Volume 536, page 42P - 2001
PTT2000a
Discrimination thresholds for morphed objects in peripheral vision   p086.pdf
C. Alejandro Parraga, Tom Troscianko, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´00), Volume 29, page 58b - 2000
IF: 1.193. area: PSYCHOLOGY.
TCP2000
Perceived contrast of natural images is mediated by higher- order image statistics   p173.pdf
Tom Troscianko, M. Chirimuuta, C. Alejandro Parraga, D.J. Tolhurst
Perception, European Conference on Visual Perception (ECVP´00), Volume 29, page 82b - 2000
IF: 1.193. area: PSYCHOLOGY.
TPT2000
Stimuli based on natural scenes for studying the contributions of luminance and colour to human spatial vision   p218.pdf
D.J. Tolhurst, C. Alejandro Parraga, Tom Troscianko
Journal of Physiology, Volume 527, page 4P - 2000
PTT1999
A computational model predicts discrimination thresholds for morphed objects in natural scenes   p012.pdf
C. Alejandro Parraga, D.J. Tolhurst, Tom Troscianko
Perception, European Conference on Visual Perception (ECVP´99), Volume 28, page 127b - 1999
IF: 1.033. area: PSYCHOLOGY.
PTL1998
Discrimination of changes in the slope of the amplitude spectra of complex visual images by human observers may require comparison of contrast between different spatial-frequency bands   p085.pdf
C. Alejandro Parraga, D.J. Tolhurst, J.T.C. Lee
Journal of Physiology, Volume 506, page 86P--86P - 1998
PKT1998
How amblyopic vision uses phase and amplitude information in natural images   p115.pdf
C. Alejandro Parraga, G.M. Kennedy, D.J. Tolhurst
European Conference on Visual Perception (ECVP'98), Volume 27(2), page 239-240 - 1998
PTT1998a
Natural image statistics and visual processing. Are they matched?   p162.pdf
C. Alejandro Parraga, D.J. Tolhurst, Tom Troscianko
Perception, European Conference on Visual Perception (ECVP´98), Volume 25, page 152b-153b - 1998
IF: 0.882. area: PSYCHOLOGY.
PTT1998
The human visual system is optimised for discriminating the spatial structure of scenes with natural second-order statistics   p250.pdf
C. Alejandro Parraga, D.J. Tolhurst, Tom Troscianko
Journal of Physiology, Volume 512, page 102P - 1998
TTB1997
The use of morphed images in the quantitative study of human spatial vision   p235.pdf
D.J. Tolhurst, Tom Troscianko, P.J. Benson, C. Alejandro Parraga
Journal of Physiology, Volume 506, page 11P--12P - 1997

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