Publications

C.Alejandro Parraga

publications

		Full Articles (Journals, conference publications, book chapters, etc.) (last updated in May 2025)
	Gomez-Villa, A., Wang, K., Parraga, C. A., Twardowski, B., Malo, J., Vazquez-Corral, J., & van de Weijer, J. (2025, 11-15 June). The Art of Deception: Color Visual Illusions and Diffusion Models. The IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR2025), The Music City Center, Nashville (TN) USA
	Parraga, C. A., Penacchio, O., Muňoz Gonzalez, M., Raducanu, B., & Otazu, X. (2025). Aesthetics Without Semantics. arXiv.org, arXiv:2505.05331, 33. https://doi.org/10.48550/arXiv.2505.05331
	Felisberti, F. M., Parraga, C. A., & Harrison, N. (2025). Psychological Determinants of Aesthetic and Affective Preferences for Nature and Urban Scenes: Anxiety, Nature Exposure, and Mental Imagery. Empirical Studies of the Arts, 0(0), 02762374251334989. https://doi.org/10.1177/02762374251334989
	Epicoco, D., Jonauskaite, D., Mohr, C., & Parraga, C. A. (2024). Can we estimate which colors our participants see? Comparing results from different gamma correction methods. i-Perception, 15(0), 1–25. https://doi.org/10.1177/20416695241278562
	Jonauskaite D, Camenzind L, Parraga CA, Diouf CN, Mercapide Ducommun M, Müller L, Norberg M, Mohr C. (2021). Colour-emotion associations in individuals with red-green colour blindness. PeerJ 9:e11180 http://doi.org/10.7717/peerj.11180
	Parraga C.A., Akbarinia A. (2020) Color Name Applications in Computer Vision. In: Shamey R. (eds) Encyclopedia of Color Science and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27851-8_404-1
	Jonauskaite, D., Parraga, C. A., Quiblier, M., & Mohr, C. (2020). Feeling Blue or Seeing Red? Similar Patterns of Emotion Associations With Colour Patches and Colour Terms. I-Perception, 11(1), 1-24. https://doi.org/10.1177/2041669520902484. Check out the Colour-emotion self-reporting measurer
	Jonauskaite, D., Dael, N., Parraga, C. A., Chèvre, L., García Sánchez, A., & Mohr, C. (2020). Stripping #The Dress: the importance of contextual information on inter-individual differences in colour perception. Psychological Research, 84(4), 851–865. https://doi.org/10.1007/s00426-018-1097-1
	Cerda-Company, X., Otazu, X., Sallent, N. & Parraga, C.A. (2018). The effect of luminance differences on color assimilation. Journal of Vision October 2018, Vol.18, 10. doi:10.1167/18.11.10.
	Cerda-Company, X., Parraga, C. A., & Otazu, X. (2018). Which tone-mapping operator is the best? A comparative study of perceptual quality. Journal of the Optical Society of America A, 35(4), 626-638.
	Yu, L., Zhang, L., van de Weijer, J., Khan, F. S., Cheng, Y., & Parraga, C. A. (2018). Beyond Eleven Color Names for Image Understanding. Machine Vision and Applications, 29(2), 361-373. doi: 10.1007/s00138-017-0902-y.
	Akbarinia, A., Parraga, C.A. (2017) Colour Constancy Beyond the Classical Receptive Field; IEEE Trans. Pattern Analysis and Machine Intelligence (TPAMI), 14 (8). DOI:10.1109/TPAMI.2017.2753239. Download the colour constancy algorithm . Unedited version in pdf format
	Akbarinia, A., Parraga, C.A. (2017) Feedback and Surround Modulated Boundary Detection; International Journal of Computer Vision (IJCV) 126:1367–1380; DOI 10.1007/s11263-017-1035-5. View it at Springer Nature Download the edge detection algorithm
	Akbarinia, A., Parraga, C.A. (2017) Colour Constancy: Biologically-inspired Contrast Variant Pooling Mechanism; BMVC 2017 : 28th British Machine Vision Conference, 4th-7th September 2017; Imperial College London, UK, Paper 0331
	Stadthagen-Gonzalez, H., Parafita Couto, M. C., Párraga, C. A., & Damian, M., (2017) Testing alternative theoretical accounts of code-switching: Insights from comparative judgments of adjective–noun order. International Journal of Bilingualism, 0(0), 1367006917728390. doi: 10.1177/1367006917728390. Unedited version in pdf format
	Stadthagen-Gonzalez, H., López, L., Parafita Couto, M. C., & Parraga, C. A. (2017). Using two-alternative force choice tasks and Thurstone's law of comparative judgments for code-switching research; Linguistic Approaches to Bilingualism, DOI: 10.1075/lab.16030.sta, ISSN 1879-9264. Unedited version in pdf format
	Akbarinia, A., Parraga, C.A. (2016) Biologically plausible boundary detection; BMVC 2016 : 27th British Machine Vision Conference, 19th - 22nd September, 2016; York, UK. Article in pdf format. Try the online demo! Download the edge detection algorithm
	Parraga C.A., Akbarinia A. (2016) NICE: A Computational Solution to Close the Gap from Colour Perception to Colour Categorization. PLoS ONE 11(3): e0149538. doi: 10.1371/journal.pone.0149538 Article in pdf format Try the online demo! Download the colour categorization algorithm
	Parraga, C.A. (2015), Perceptual Psychophysics; In Biologically-Inspired Computer Vision: Fundamentals and Applications (G. Cristobal, M. Keil and L. Perrinet, Eds.); Wiley VCH (14 Oct. 2015), pp.81-107; ISBN-10: 3527412646, ISBN-13: 978-3527412648
	Parraga, C.A., Roca-Vila, J., Karatzas, D., Wuerger, S.M. (2014) Limitations of visual gamma corrections in LCD displays , Displays 35, pp. 227-239 DOI:10.1016/j.displa.2014.07.001 Unedited version in pdf format.
	Parraga C.A. (2013) Color Vision, Computational Methods for. In: Jaeger D., Jung R. (Ed.) Encyclopedia of Computational Neuroscience: SpringerReference. Springer NY, DOI: 10.1007/978-1-4614-7320-6_8-2, Online ISBN: 978-1-4614-7320-6, Date: 24 February 2014, pp 1-11.
	Murray, N., Vanrell, M., Otazu, X., Parraga, C.A. (2013) Low-level Spatio-Chromatic Grouping for Saliency Estimation, IEEE Trans Pattern Anal Mach Intell, Nov;35(11):2810-6. doi: 10.1109/TPAMI.2013.108 Unedited version in pdf format.
	Roca-Vila, J., Parraga, C. A., & Vanrell, M. (2013). Chromatic settings and the structural color constancy index, Journal of Vision 13(4):3, 1–26
	Gonzalez, A. I., Benavente, R., Penacchio, O., Vazquez-Corral, J., Vanrell, M., & Parraga, C. A. (2013). Coloresia: An Interactive Colour Perception Device for the Visually Impaired. In A. D. Sappa & J. Vitrià (Eds.), Multimodal Interaction in Image and Video Applications (1st ed., Vol. 48, pp. 47-66). Berlin, Heidelberg: Springer-Verlag. ISBN: 978-3-642-35931-6
	Murray, N., Vanrell, M., Otazu, X., Parraga, C.A. (2011) Saliency Estimation Using a Non-Parametric Low-Level Vision Model, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), pp 433-440. Article in pdf format
	Vanrell, M., Murray, N., Benavente, R., Alejandro Parraga, C., Otazu, X., & Baldrich, R. (2011). Perception Based Representations for Computational Colour. In R. Schettini, S. Tominaga & A. Tremeau (Eds.), Computational Color Imaging (Vol. 6626, pp. 16-30). Proceedings, Article in pdf format
	Otazu, X., Parraga, C. A. & Vanrell, M. (2010). Towards a unified chromatic induction model. Journal of Vision 10(12):5, 1-24, Article in pdf format
	Parraga, C. A., Benavente, R., Vanrell, M., & Baldrich, R. (2009). Psychophysical Measurements to Model Intercolor Regions of Color-Naming Space. Journal of Imaging Science and Technology, 53(3), pp 031106-031106-8. Article in pdf format
	Vazquez, J., Parraga, C. A., Vanrell, M., & Baldrich, R. (2009). Color Constancy Algorithms: Psychophysical Evaluation on a New Dataset. Journal of Imaging Science and Technology, 53(3), pp 031105-031105-9. Article in pdf format
	Otazu, X., Vanrell, M. and Parraga, C.A. (2008). Multiresolution wavelet framework models brightness induction effects . Vision Research, 48, 733–751. Article in pdf format.
	Gilmore, M.A., Jones, C.K., Haynes, A.W.,Tolhurst, D.J., To, M., Troscianko, T., Lovell, P.G., Parraga, C.A. & Pickavance, K. (2006). Use of a vision model to quantify the significance of factors effecting target conspicuity. Proceedings of the SPIE – Targets and Backgrounds XII, 6239, 62390R. doi: 10.1117/12.673796. Article in pdf format.
	Stevens, M. Parraga, C. A., Cuthill, I. C. Partridge, J. C., Troscianko, T. S. (2006). Using digital photography to study animal coloration. Biological Journal of the Linnean Society, 90, 211–237. Article in pdf format.
	Lovell, P. G., Parraga, C. A., Troscianko, T., Ripamonti, C, Tolhurst, D.J. (2006). Evaluation of a Multiscale Color Model for Visual Difference Prediction. ACM Transactions on Applied Perception 3(3), 155–178. Article in pdf format.
	Stevens, M., Cuthill, I. C., Parraga, C. A. & Troscianko, T. (2006). The effectiveness of disruptive coloration as a concealment strategy. (2006) Progress in Brain Research, Visual Perception Part 2 - Fundamentals of Awareness: Multi-Sensory Integration and High-Order Perception, 155, 49-64.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2005) The effects of amplitude-spectrum statistics on foveal and peripheral discrimination of changes in natural images, and a multi-resolution model. Vision Research, 45, 3145-3168. doi.org/10.1016/j.visres.2005.08.006. Article in pdf format.
	Lovell, P. G., Tolhurst, D. J., Parraga, C. A., Baddeley, R., Leonards, U., Troscianko, J., et al. (2005) Stability of the color-opponent signals under changes of illuminant in natural scenes. Journal of the Optical Society of America A, 22(10), 2060-2071. Article in pdf format.
	Tolhurst, D.J., Parraga, C.A., Lovell, P.G., Ripamonti, C., Troscianko, T., (2005). A multiresolution color model for visual difference prediction. ACM International Conference Proceeding Series, Vol.95, 135 - 138. Article in pdf format.
	Cuthill, I. C., Stevens, M., Sheppard, J., Maddocks, T., Parraga, C. A., & Troscianko, T. (2005). Disruptive coloration and background pattern matching. Nature, 434, 72-74. Article in pdf format.
	Smith, E. L., Evans, J. E., & Parraga, C. A. (2005). Myoclonus induced by cathode ray tube screens and low-frequency lighting in the European starling (Sturnus vulgaris). Veterinary Record, 157, 148-150. Article in pdf format.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2002). Spatiochromatic Properties of Natural Images and Human Vision. Current Biology, 12(6), 483-487. Article in pdf format. See supplementary material to this article. See comment on this paper by Kit Wolf (Visual ecology: coloured fruit is what the eye sees best, Current Biology Dispatches 12 (7), 2002).
	Parraga, C. A., & Tolhurst, D. J. (2000). The effect of contrast randomisation on the discrimination of changes in the slopes of the amplitude spectra of natural scenes. Perception, 29(9), 1101-1116. Article in pdf format.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2000). The human visual system is optimised for processing the spatial information in natural visual images. Current Biology, 10(1), 35-38. Journal cover. Article in pdf format
	Parraga, C. A., Brelstaff, G., Troscianko, T., & Moorhead, I. R. (1998). Color and luminance information in natural scenes. Journal of the Optical Society of America A, 15(3), 563-569. Article in pdf format. See errata
	Brelstaff, G. J., Parraga, C. A., Troscianko, T., & Carr, D. (1995). Hyperspectral camera system: acquisition and analysis. SPIE - Human vision, visual processing and digital displays. Geographic information systems, photogrammetry, and geological/geophysical remote sensing. Vol. 2587, 150-159. Article in pdf format. The database of calibrated multispectral images can be downloaded from: http://www.cvc.uab.es/color_calibration/Bristol_Hyper/

		Refereed abstracts
	Parraga, C.A., Blasco Roca, P., Cerdà-Companys, X., Otazu Porter, X., A comparative study of the perceptual quality and aesthetic attributes across Tone-Mapping Operators, European Conference on Visual Perception (ECVP2024), (Proceedings in pdf)
	Otazu, X., Vila, J., Parraga, C.A., Penacchio, O., Can we transfer what we know about efficiency of the visual system to AI algorithms? European Conference on Visual Perception (ECVP2024), (Proceedings in pdf)
	Parraga, C.A., Javed, A., Raducanu, B., Synthesizing Aesthetic Diversity: Creating a Balanced Dataset of visual Aesthetics Using GANs. Vision Science of Art Conference (VSAC2024), 22th-24th August 2024, Aberdeen, Scotland. (session abstracts)
	Cerda-Company, X., Blasco, P., Otazu, X., Parraga, C.A. An updated perceptual evaluation of state-of-the-art TMOs. Iberian Conference on Perception (CIP2024) Xth Edition: 26th of June 2024, La Cristalera, M-611, Miraflores de la Sierra, Spain.
	Kučera, J., Al-Shahrabi, D., Felisberti, F., Parraga, A., Hurlbert, A. (2024). Ugly Colours: Chromatic Determinants of Image Aesthetic Valence. Vision Sciences Society 2024 Meeting (VSS2024). Journal of Vision September 2024, Vol.24, 1230. https://doi.org/10.1167/jov.24.10.1230
	Parraga, C. A., Muñoz González, M., Otazu, X., & Penacchio, O. (2022). Experimental aesthetics without semantics. European Conference on Visual Perception (ECVP2022), Perception 51, No1 (Suppl.) pp139. https://doi.org/10.1177/03010066221141167
	Parraga, C.A., Muñoz González, M., Otazu, X., Penacchio, O. (2022). Experimental aesthetics without semantics. Iberian Conference on Perception (CIP2022) IX edition. 27th-29nd June 2022 - Casa de la Convalescència, Barcelona, Spain. (conference proceedings in pdf)
	Da Silva, D., Jonauskaite, D., Mohr, C.& Parraga, C.A. (2021) Is it necessary to gamma-correct screens for online colour vision experiments? European Conference on Visual Perception (ECVP2021) Perception 50, No1 (Suppl.) pp.8
	Parraga, C.A., Otazu, X., Akbarinia, A. (2019) Modelling symmetry perception with banks of quadrature convolutional Gabor kernels, European Conference on Visual Perception (ECVP2019), Perception, 48 (suppl.), 224b, https://doi.org/10.1177/0301006619863862
	Parraga, C.A., Otazu, X. & Akbarinia,A. (2019) Modelling symmetry perception with banks of quadrature convolutional Gabor kernels, Iberian Conference on Perception (CIP2019) VIII edition. 20th-22nd June 2019 - San Lorenzo del Escorial, Madrid, Spain. (conference proceedings in pdf)
	Cerda-Company, X., Otazu, X., Sallent, N. & Parraga, C.A. (2018). Luminance spatial distribution plays a major role in color assimilation. European Conference on Visual Perception (ECVP2018) Trieste, Italy.
	Akbarinia, A., Parraga, C.A., Expósito, M., Raducanu, B. & Otazu, X. (2017) Can biological solutions help computers detect symmetry?. European Conference on Visual Perception (ECVP2017) Berlin, Germany.
	Akbarinia A. and Parraga, C.A. (2016) Dynamically adjusted surround contrast enhances boundary detection, Perception 45,No.2 (Suppl,), 254b (conference proceedings in pdf)
	Expósito Ventura, M., Raducanu, B. & Parraga, C.A. (2016) Aesthetics without semantics: a new dataset of natural scenes devoid of semantic content. Vision Science of Art Conference (VSAC2016), Barcelona, Spain. - Talk Presentation
	Akbarinia A. and Parraga, C.A. (2016) Colour constancy as a product of dynamic centre-surround adaptation. Vision Sciences Society 2016 Meeting (VSS2016) -Journal of Vision. 2016; 16(12):214-214. doi: 10.1167/16.12.214.
	Akbarinia A. and Parraga, C.A. Biologically Plausible Colour Naming Model (2015), Perception, 44(Suppl.), 115b.
	Cerdá, X., Parraga, C.A., Otazu, X. (2014). Which tone-mapping is the best? A comparative study of tone-mapping perceived quality. Perception, 43(Suppl.), 106b
	Parraga, C.A., Rafegas Fonoll, I. (2013). Colour Categorization From Colour Opponency, Perception 42(Suppl.), 109b.
	Vanrell, M., Murray, N., Otazu, X., & Parraga, C. A. (2012). Computation of saliency maps using psychophysical measurements of colour induction. Perception, 41(10), 1272-1273. (AVA Xmas Meeting)
	Roca-Vila, J., Parraga, C. A., & Vanrell, M. (2012). Predicting categorical colour perception in successive colour constancy, Perception, 41(Suppl.), 183b.
	Roca-Vila J., Vanrell M., Parraga C. A. (2012). What is constant in colour constancy?. CGIV2012/MCS'10 -Proceedings of the 6th European Conference on Colour in Graphics, Imaging - 12th International Symposium on Multispectral Colour Science. Society for Imaging Science and Technology, pp. 337-343. Extended abstract in pdf format
	Roca-Vila, J., Parraga, C. A., & Vanrell, M. (2011). Categorical focal colours are structurally invariant under illuminant changes Perception, Perception, 40(Suppl.), 196b.
	Parraga, C. A., Penacchio, O., & Vanrell, M. (2011). Retinal filtering matches natural image statistics at low luminance levels. Perception, 40(Suppl.), 96b.
	Penacchio, O., & Parraga, C. A. (2011). What is the best criterion for an efficient design of retinal photoreceptor mosaics? . Perception, 40(Suppl.), 197b.
	Roca-Vila, J., Owen, A., Jordan, G., Ling, Y., Parraga, C.A., Hurlbert, A., (2011) Inter-individual variations in color naming and the structure of 3D color space, Vision Sciences Society 2016 Meeting (VSS2011). Journal of Vision, 11(11): 386. doi: 10.1167/11.11.386.
	Parraga, C. A., Roca-Vila, J., Vanrell, M. (2011) Do basic colors influence chromatic adaptation?. Vision Sciences Society 2016 Meeting (VSS2011). Journal of Vision, 11(11): 349. doi: 10.1167/11.11.349
	Penacchio, O., Parraga, C. A., Vanrell, M. (2010) Natural Scene Statistics account for Human Cones Ratios. Perception, 39(Suppl.), 101b.
	Parraga, C. A., Benavente, R., Vanrell, M. (2010) Towards a general model of colour categorization which considers context. Perception, 39(Suppl.), 86b.
	Parraga, C. A., Baldrich, R. & Vanrell, M. (2010) Accurate Mapping of Natural Scenes Radiance to Cone Activation Space: A New Image Dataset. CGIV 2010/MCS'10 - Proceedings of the 5th European Conference on Colour in Graphics, Imaging, and Vision - 12th International Symposium on Multispectral Colour Science, Society for Imaging Science and Technology. pp 50-57 See Extended abstract in pdf format.
	Vazquez-Corral, J., Parraga, C. A., & Vanrell, M. (2009). Ordinal pairwise method for natural images comparison. Perception, 38(Suppl.), 180b.
	Benavente, R., Parraga, C. A., & Vanrell, M. (2009). Colour categories boundaries are better defined in contextual conditions. Perception, 38(Suppl.), 36b.
	Parraga, C. A., Vazquez-Corral, J., & Vanrell, M. (2009). A new cone activation-based natural images dataset. Perception, 38(Suppl), 180b.
	Otazu, X., M. Vanrell, and Parraga, C.A. (2008). Colour induction effects are modelled by a low-level multiresolution wavelet framework. Perception 37(Suppl.): 107b.
	Vazquez, J., Vanrell M., Baldrich R. and Parraga C. A. (2008). Towards a Psychophysical Evaluation of Colour Constancy Algorithms. CGIV 2008 / MCS/08 - Proceedings of the 4th European Conference on Colour in Graphics, Imaging, and Vision 10th International Symposium on Multispectral Colour Science, Society for Imaging Science and Technology, pp 372. Extended abstract in pdf format.
	Parraga C. A., Benavente R., Vanrell M. and Baldrich, R. (2008). Modelling Inter-Colour Regions of Colour Naming Space. CGIV 2008 / MCS/08 - Proceedings of the 4th European Conference on Colour in Graphics, Imaging, and Vision 10th International Symposium on Multispectral Colour Science, Society for Imaging Science and Technology, pp 218. Extended abstract in pdf format.
	Parraga, C. A., Benavente, R., Vanrell, M., & Baldrich, R. (2007). Modelling colour-naming space with fuzzy sets. Perception, 36(Suppl.), 198b.
	Otazu, X., Vanrell, M., & Parraga, C. A. (2007). Multiresolution wavelet framework reproduces induction effects. Perception, 36(Suppl.), 167b.
	Troscianko, T., Lovell, P. G., Parraga, C. A., Baddeley, R., Tolhurst, D. J. (2006). Colour vision and illumination noise in primates and birds. Perception, 35(Suppl.), 227.
	Lovell, P.G., Troscianko, T. Parraga, C.A. (2005) Distance judgements based on Rayleigh scattering: The detection of color changes with distance in blue-yellow opponent channels. Vision Sciences Society 2005 Meeting (VSS2005). Journal of Vision, Vol. 5, 773. doi: 10.1167/5.8.773
	Tolhurst, D.J., Ripamonti, C., Párraga, C.A., Lovell, P.G., Troscianko, T. (2005) A multiresolution color model for visual difference prediction. Proceedings of the APGV '05 ACM Symposium on Applied Perception in Graphics and Visualization, 135-138, doi>10.1145/1080402.1080427
	Parraga, C. A., Lovell, P. G., Troscianko, T., & Tolhurst, D. J. (2005). Modelling red-green and blue-yellow colour vision. Perception, 34(Suppl.), 155-156b.
	Lovell, P. G., Tolhurst, D. J., Parraga, C. A., Baddeley, R. J., Leonards, U., Troscianko, J., et al. (2005). Opponent channel responses to changes in the illuminant of natural scenes for primates and birds. Perception, 34(Suppl.), 59b.
	Lovell, P. G., Troscianko, T. & Parraga, C. A. (2005) Distance judgments based on Rayleigh scattering: The detection of colour changes with distance in blue-yellow opponent channels. The Ninth AVA Christmas Meeting. Perception 34(Suppl.), 248b.
	Troscianko, T., Cuthill, I. C., Stevens, M., Graham, L., Richardson, S., & Parraga, C. A. (2005). Detection of cryptic targets in avian vision: A field study. Perception, 34(Suppl.), 47b.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2004). A multi-resolution colour vision model for human chromatic and achromatic local-contrast discrimination. Perception, 33(Suppl.), 118b.
	Tolhurst, D. J., Ripamonti, C., Rowbottom, C. N., Lovell, P. G., Parraga, C. A., & Troscianko, T. (2004). Psychophysical discrimination of natural scenes: Thresholds and subjective ratings. Perception, 33(Suppl.), 114b.
	Troscianko, T., Parraga, C. A., Lovell, P. G., Tolhurst, D. J., Baddeley, R., & Leonards, U. (2004). Natural illumination, shadows, and primate colour vision. Perception, 33(Suppl.), 45b.
	Stevens, M., Cuthill, I. C., Sheppard, J., Maddocks, T., Troscianko, T., & Parraga, C. A. (2004). Disruptive coloration and background pattern matching in insect crypsis. Perception, 33(Suppl.), 35b.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2003). Performing a naturalistic task when the spatial structure of colour in natural scenes is changed. Perception, 32(Suppl.), 138 (AVA Meeting on Natural Images). See Abstract.
	Parraga, C. A., Troscianko, T., Troscianko, J., Tolhurst, D. J., & Leonards, U. (2003). Spatiochromatic properties of images of fruits and leaves from Kibale Forest, Uganda. Journal of Vision, 3 (9), Abstract 315, Page 315a.
	Troscianko, T., Baddeley, R., Parraga, C. A., Leonards, U., & Troscianko, J. Visual encoding of green leaves in primate vision. Vision Sciences Society 2003 Meeting (VSS2003). Journal of Vision, Vol.3, 13. doi: 10.1167/3.9.137
	Tolhurst, D. J., & Parraga, C. A. (2003). Visual discrimination of natural-scene stimuli by amblyopic people. Journal of Physiology, 548P, O75.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2003). Performing a naturalistic visual task when the spatial structure of colour in natural scenes is changed. Perception, 32(Suppl.), 168b.
	Troscianko, T., Parraga, C. A., Leonards, U., Baddeley, R. J., Troscianko, J., & Tolhurst, D. J. (2003). Leaves, fruit, shadows, and lighting in Kibale Forest, Uganda. Perception, 32(Suppl.), 51b.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2002). Spatiochromatic properties of natural images and human vision. Proceedings of the Third Forum of European Neuroscience (FENS), Abstr. vol 1, A159.17, Paris, France.
	Troscianko, T., Tolhurst, D. J., & Parraga, C. A. (2002). Complex scenes, simple neurons, and complex applications. Perception, 31(Suppl.), 383b (AVA Xmas Meeting).
	Troscianko, T., Parraga, C. A., & Tolhurst, D. J. (2002). Spatiochromatic information in natural scenes. Perception, 31(Suppl.), 149b.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2002). Limitations of a low-level model of discrimination of changes between images. Perception, 31(Suppl.), 140b.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2001). Human red-green chrominance contrast sensitivity is matched to the spatiochromatic Fourier spectra of images of fruit in foliage. Journal of Physiology, 536, 201P.
	Parraga, C. A., Troscianko, T., & Tolhurst, D. J. (2001). Fourier statistics of fruit in foliage - a match with human contrast sensitivity? Perception, 30(Suppl.), 109b.
	Tolhurst, D. J., Parraga, C. A., & Troscianko, T. (2000). Stimuli based on natural scenes for studying the contributions of luminance and colour to human spatial vision. Journal of Physiology, 527, 4P.
	Troscianko, T., Chirimuuta, M., Parraga, C. A., & Tolhurst, D. J. (2000). Perceived contrast of natural images is mediated by higher- order image statistics. Perception, 29(Suppl.), 82b.
	Parraga, C. A., Troscianko, T., Tolhurst, D. J., & Gilchrist, I. D. (2000). Discrimination thresholds for morphed objects in peripheral vision. Perception, 29(Suppl.), 58b.
	Troscianko, T., Chirimuuta, M., Parraga, C. A., & Tolhurst, D. J. (2000). Perceived contrast of filtered natural images·. Perception, 29(Suppl.), 123b. (AVA Xmas Meeting)
	Parraga, C. A., Tolhurst, D. J., & Troscianko, T. (1999). A computational model predicts discrimination thresholds for morphed objects in natural scenes. Perception, 28(Suppl.), 127b.
	Parraga, C. A., Tolhurst, D. J., & Troscianko, T. (1999). The human visual system is optimized for discriminating the spatial structure of scenes with natural second-order statistics. Journal of Physiology, 515, 103-104P.
	Parraga, C. A., Tolhurst, D. J., & Troscianko, T. (1998). Natural image statistics and visual processing. Are they matched? Perception, 25(Suppl.), 152b-153b.
	Parraga, C. A., Kennedy, G. M., & Tolhurst, D. J. (1998). How amblyopic vision uses phase and amplitude information in natural images. Perception, 27(Suppl), 239-240. (AVA Xmas Meeting)
	Parraga, C. A., Tolhurst, D. J., & Lee, J. T. C. (1998). 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. Journal of Physiology, 506, 86P-86P.
	Tolhurst, D. J., Troscianko, T., Benson, P. J., & Parraga, C. A. (1998). The use of morphed images in the quantitative study of human spatial vision. Journal of Physiology, 506, 11P-12P.
	Troscianko, T., Parraga, C.A., Brelstaff, G., Carr, D., Nelson, K. (1996). Spatio-chromatic information content of natural scenes. Perception 25(Suppl.) 46b-47b

		Other presentations
	Immersive Intallation "Emotividad del Color" (The Emotion of Colour") within the Multimedia Exhibition: "Color, el conocimiento de lo invisible" by Fundación Telefónica. Link to teaser video in YouTube. 16/Jun/2021 to 9/Jan/2022, Espacio Fundación Telefónica C/ Fuencarral, 3, Madrid Link to exhibition
	Invited lecture: "Fundamentals of Psychophysics" presented on the 29/01/2021 Workshop on Computational Models for Image Processing (Taller Sobre Modelos Computacionales de Procesamiento Visual de Imágenes) organised by the Instituto Universitario de Matemática Pura y Aplicada of the University of Valencia. Responsable: Samuel Morillas Gómez.
	Invited talk: Colour Perception in Computer Vision: Psychophysics and Biologically-Inspired Solutions for Image Understanding: 08/01/2020 Colour Vision Meeting and Palmer Lecture 2020, The Colour Group (GB) - City University London, EC1V 0HB https://www.colour.org.uk/colour-vision-meeting-and-palmer-lecture-2020/
	Exposito Ventura, M., Raducanu, B. and Parraga, C.A., Aesthetics Without Semantics (2016), Barcelona Computational, Cognitive and Systems Neuroscience (BARCCSYN) 2016 June 16 and 17, 2016.
	Akbarinia, A and Parraga, C.A., New Biologically-Inspired Solutions to Old Computer Vision Problems (2016), Barcelona Computational, Cognitive and Systems Neuroscience (BARCCSYN) 2016 June 16 and 17, 2016.
	Benavente, R., Parraga, C. A., Vanrell, M., (Jun 2010) La influencia del contexto en la definición de las fronteras entre las categorías cromáticas. IX Congreso Nacional del Color (CNC'10), page 92--95
	Parraga, C. A., Troscianko, T., Troscianko, J., Tolhurst, D. J., & Leonards, U. (2003, 6-9 July). Spatiochromatic properties of natural images in Kibale Forest, Uganda. Paper presented at the Structure, Function and Evolution of the Primate Visual System, Tübingen, Germany. See Abstract. (See whole conference abstract book).
	Troscianko, T., Baddeley, R., Parraga, C. A., Leonards, U., & Troscianko, J. (2003, 6-9 July). Visual encoding stability of green leaves in primate vision. Paper presented at the Structure, Function and Evolution of the Primate Visual System, Tübingen, Germany. See Abs tract. (See whole conference abstract book).

		Theses
	2003 PhD. Degree Thesis: Title: "Is the Human visual sytem optimised for encoding the statistical information of natural scenes?". Bristol University, UK. See Abstract (locally). Download whole document (pdf).
	1995 M.Sc. Degree Thesis: Title: "Spatiochromatic information content of natural scenes". Bristol University, UK. See Abstract (locally). Download whole document (pdf).
		Former postgraduate students
	2021 Domicelė Jonauskaitė, PhD. Title: Universality of colour-emotion associations. Institute of Psychology, University of Lausanne, Switzerland. Supervisors: Christine Mohr and C.A. Parraga.
	2017 Arash Akbarinia, PhD. Title: Computational model of visual perception: from colour to form. Computer Science Dept., UAB. Supervisor: C.A. Parraga
	2015 Marta Exposito Ventura, MSc. Title: Including ugly features to improve aesthetic judgement prediction in natural images. Inter-University master in Computer Vision. Supervisor: C.A. Parraga
	2015 Daniel Hernández Juárez, MSc. Title: A comparison of perceptual image quality metrics. Inter-University master in Computer Vision. Supervisor: C.A. Parraga
	2013 Jordi Roca Vila, PhD. Title: Constancy and inconstancy in categorical colour perception. Computer Science Dept., UAB. Supervisors: C.A. Parraga and Maria Vanrell.
	2009 Olivier Penacchio, MSc. Title: About the relative density of L, M and S photorreceptors in the human retina. Computer Science Dept., UAB. Supervisors: C.A. Parraga and M. Vanrell.
		Book reviews
	Parraga, C. A. (2016). Review: Kernell, D. Colours and Colour Vision: An Introductory Survey. Perception, Article first published online: January 6, 2017 DOI: https://doi.org/10.1177/0301006616685919
	Parraga, C. A. (2004). Review: Mollon, J. (ed) Normal and Defective Colour Vision. Perception Vol.33 issue.12, pp.1511-1512. Article first published: December 1, 2004 DOI: https://doi.org/10.1068/p3312rvw