Jos M Medina

Summary

Affiliation: University of Minho
Country: Portugal

Publications

  1. doi request reprint Effects of multiplicative power law neural noise in visual information processing
    Jos M Medina
    Center for Physics University of Minho, Braga 4710 057, Portugal
    Neural Comput 23:1015-46. 2011
  2. doi request reprint Low-frequency correlations (1/f(α) type) in paint application of metallic colors
    Jose M Medina
    Center for Physics, University of Minho, Campus de Gualtar, Braga, 4710 057, Portugal
    Opt Express 20:17560-5. 2012
  3. doi request reprint 1/f Noise in human color vision: the role of S-cone signals
    Jose M Medina
    Center for Physics, University of Minho, Campus de Gualtar, 4710 057 Braga, Portugal
    J Opt Soc Am A Opt Image Sci Vis 29:A82-95. 2012
  4. doi request reprint Scattering characterization of nanopigments in metallic coatings using hyperspectral optical imaging
    Jose M Medina
    Center for Physics, University of Minho, Campus de Gualtar, 4710 057 Braga, Portugal
    Appl Opt 50:G47-55. 2011
  5. doi request reprint Hyperspectral optical imaging of human iris in vivo: characteristics of reflectance spectra
    Jose M Medina
    University of Minho, Centre of Physics, Department of Physics, Campus de Gualtar, 4710 057, Braga, Portugal
    J Biomed Opt 16:076001. 2011
  6. pmc Hyperspectral optical imaging of two different species of lepidoptera
    José Manuel Medina
    Centre of Physics, University of Minho, Campus de Gualtar, Braga, 4710 057, Portugal
    Nanoscale Res Lett 6:369. 2011
  7. doi request reprint S-cone excitation ratios for reaction times to blue-yellow suprathreshold changes at isoluminance
    Jose M Medina
    Center for Physics, University of Minho, Braga, Portugal
    Ophthalmic Physiol Opt 30:511-7. 2010
  8. doi request reprint Cross-orientation masking in human color vision
    Jose M Medina
    McGill Vision Research, Department of Ophthalmology, McGill University, Montreal, Quebec, Canada
    J Vis 9:20.1-16. 2009
  9. ncbi request reprint 1/falpha noise in reaction times: a proposed model based on Piéron's law and information processing
    Jose M Medina
    Center for Physics, University of Minho, Campus de Gualtar, 4710 057, Braga, Portugal
    Phys Rev E Stat Nonlin Soft Matter Phys 79:011902. 2009
  10. ncbi request reprint Colour-luminance interactions in binocular summation
    Jose M Medina
    McGill Vision Research, Department of Ophthalmology, McGill University, Montreal, Quebec, Canada H3A 1A1
    Vision Res 47:1120-8. 2007

Detail Information

Publications10

  1. doi request reprint Effects of multiplicative power law neural noise in visual information processing
    Jos M Medina
    Center for Physics University of Minho, Braga 4710 057, Portugal
    Neural Comput 23:1015-46. 2011
    ..The implications of minimum information transfer in self-organized neural networks and weakly coupled neurons are discussed...
  2. doi request reprint Low-frequency correlations (1/f(α) type) in paint application of metallic colors
    Jose M Medina
    Center for Physics, University of Minho, Campus de Gualtar, Braga, 4710 057, Portugal
    Opt Express 20:17560-5. 2012
    ..These results were independent of the illuminant spectra. The methods employed are useful in the evaluation of industrial color matching among assembly parts...
  3. doi request reprint 1/f Noise in human color vision: the role of S-cone signals
    Jose M Medina
    Center for Physics, University of Minho, Campus de Gualtar, 4710 057 Braga, Portugal
    J Opt Soc Am A Opt Image Sci Vis 29:A82-95. 2012
    ..The implications related to random multiplicative processes as a possible source of 1/f noise and the optimal information processing in color vision are discussed...
  4. doi request reprint Scattering characterization of nanopigments in metallic coatings using hyperspectral optical imaging
    Jose M Medina
    Center for Physics, University of Minho, Campus de Gualtar, 4710 057 Braga, Portugal
    Appl Opt 50:G47-55. 2011
    ..The results show that hyperspectral imaging combined with principal-component analysis provides a valuable method for nondestructive testing of complex turbid media...
  5. doi request reprint Hyperspectral optical imaging of human iris in vivo: characteristics of reflectance spectra
    Jose M Medina
    University of Minho, Centre of Physics, Department of Physics, Campus de Gualtar, 4710 057, Braga, Portugal
    J Biomed Opt 16:076001. 2011
    ....
  6. pmc Hyperspectral optical imaging of two different species of lepidoptera
    José Manuel Medina
    Centre of Physics, University of Minho, Campus de Gualtar, Braga, 4710 057, Portugal
    Nanoscale Res Lett 6:369. 2011
    ..Hyperspectral optical imaging opens new ways for the non-invasive study and classification of different forms of irregularity in structural colors...
  7. doi request reprint S-cone excitation ratios for reaction times to blue-yellow suprathreshold changes at isoluminance
    Jose M Medina
    Center for Physics, University of Minho, Braga, Portugal
    Ophthalmic Physiol Opt 30:511-7. 2010
    ..We conclude that S-cone increments and decrements do not scale in the same manner. Both Weber contrast and the S-cone excitation ratio are plausible metrics at isoluminance. The implications for the S-cone pathways are discussed...
  8. doi request reprint Cross-orientation masking in human color vision
    Jose M Medina
    McGill Vision Research, Department of Ophthalmology, McGill University, Montreal, Quebec, Canada
    J Vis 9:20.1-16. 2009
    ....
  9. ncbi request reprint 1/falpha noise in reaction times: a proposed model based on Piéron's law and information processing
    Jose M Medina
    Center for Physics, University of Minho, Campus de Gualtar, 4710 057, Braga, Portugal
    Phys Rev E Stat Nonlin Soft Matter Phys 79:011902. 2009
    ..It is proposed that the biophysical origin of reaction time variability is related to a form of noise-induced synchronization in weakly coupled neurons. The implications in visual-motor transduction are discussed...
  10. ncbi request reprint Colour-luminance interactions in binocular summation
    Jose M Medina
    McGill Vision Research, Department of Ophthalmology, McGill University, Montreal, Quebec, Canada H3A 1A1
    Vision Res 47:1120-8. 2007
    ..Our results suggest the existence of binocular colour-luminance interactions restricted to high temporal frequencies...