Li Zhaoping

Summary

Affiliation: University College London
Country: UK

Publications

  1. doi request reprint From the optic tectum to the primary visual cortex: migration through evolution of the saliency map for exogenous attentional guidance
    Li Zhaoping
    Department of Computer Science, University College London, UK Electronic address
    Curr Opin Neurobiol 40:94-102. 2016
  2. pmc Understanding auditory spectro-temporal receptive fields and their changes with input statistics by efficient coding principles
    Lingyun Zhao
    Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, PR China
    PLoS Comput Biol 7:e1002123. 2011
  3. pmc Dichoptic completion, rather than binocular rivalry or binocular summation
    Li Zhaoping
    University College London, UK Tsinghua University, China E mail
    Iperception 2:611-4. 2011
  4. pmc Properties of V1 neurons tuned to conjunctions of visual features: application of the V1 saliency hypothesis to visual search behavior
    Li Zhaoping
    Department of Computer Science, University College London, London, United Kingdom
    PLoS ONE 7:e36223. 2012
  5. doi request reprint Gaze capture by eye-of-origin singletons: interdependence with awareness
    Li Zhaoping
    Department of Computer Science, University College London, UK
    J Vis 12:17. 2012
  6. doi request reprint Neural circuit models for computations in early visual cortex
    Li Zhaoping
    Department of Computer Science, University College London, UK
    Curr Opin Neurobiol 21:808-15. 2011
  7. pmc Filling-in and suppression of visual perception from context: a Bayesian account of perceptual biases by contextual influences
    Li Zhaoping
    Department of Computer Science, University College London, United Kingdom
    PLoS Comput Biol 4:e14. 2008
  8. pmc Human wavelength discrimination of monochromatic light explained by optimal wavelength decoding of light of unknown intensity
    Li Zhaoping
    Department of Computer Science, University College London, London, United Kingdom
    PLoS ONE 6:e19248. 2011
  9. doi request reprint A clash of bottom-up and top-down processes in visual search: the reversed letter effect revisited
    Li Zhaoping
    Department of Computer Science, University College London, London WC1E, 6BT, UK
    J Exp Psychol Hum Percept Perform 37:997-1006. 2011
  10. doi request reprint Relative contributions of 2D and 3D cues in a texture segmentation task, implications for the roles of striate and extrastriate cortex in attentional selection
    Li Zhaoping
    Department of Computer Science, University College London, UK
    J Vis 9:20.1-22. 2009

Detail Information

Publications35

  1. doi request reprint From the optic tectum to the primary visual cortex: migration through evolution of the saliency map for exogenous attentional guidance
    Li Zhaoping
    Department of Computer Science, University College London, UK Electronic address
    Curr Opin Neurobiol 40:94-102. 2016
    ..I review the literature and propose that the saliency map has migrated from the tectum to V1 over evolution. In addition, attentional benefits manifested as cueing effects in humans should also be present in lower vertebrates...
  2. pmc Understanding auditory spectro-temporal receptive fields and their changes with input statistics by efficient coding principles
    Lingyun Zhao
    Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, PR China
    PLoS Comput Biol 7:e1002123. 2011
    ..The potentials and limitations of the efficient coding principle are discussed...
  3. pmc Dichoptic completion, rather than binocular rivalry or binocular summation
    Li Zhaoping
    University College London, UK Tsinghua University, China E mail
    Iperception 2:611-4. 2011
    ....
  4. pmc Properties of V1 neurons tuned to conjunctions of visual features: application of the V1 saliency hypothesis to visual search behavior
    Li Zhaoping
    Department of Computer Science, University College London, London, United Kingdom
    PLoS ONE 7:e36223. 2012
    ....
  5. doi request reprint Gaze capture by eye-of-origin singletons: interdependence with awareness
    Li Zhaoping
    Department of Computer Science, University College London, UK
    J Vis 12:17. 2012
    ..However, when luminance varied sufficiently between the bars, 50% were missed overall, albeit significantly less for those that captured gaze. The experiments in this work followed the guidelines in the Declaration of Helsinki...
  6. doi request reprint Neural circuit models for computations in early visual cortex
    Li Zhaoping
    Department of Computer Science, University College London, UK
    Curr Opin Neurobiol 21:808-15. 2011
    ....
  7. pmc Filling-in and suppression of visual perception from context: a Bayesian account of perceptual biases by contextual influences
    Li Zhaoping
    Department of Computer Science, University College London, United Kingdom
    PLoS Comput Biol 4:e14. 2008
    ....
  8. pmc Human wavelength discrimination of monochromatic light explained by optimal wavelength decoding of light of unknown intensity
    Li Zhaoping
    Department of Computer Science, University College London, London, United Kingdom
    PLoS ONE 6:e19248. 2011
    ..Our mathematical formulation and solution can be applied to general problems of sensory discrimination when there is a perceptual confound from other sensory feature dimensions...
  9. doi request reprint A clash of bottom-up and top-down processes in visual search: the reversed letter effect revisited
    Li Zhaoping
    Department of Computer Science, University College London, London WC1E, 6BT, UK
    J Exp Psychol Hum Percept Perform 37:997-1006. 2011
    ..Our findings rule out previous suggestions that search asymmetry stems from stronger preattentive salience for the reversed target and/or faster rejection of familiar distractors...
  10. doi request reprint Relative contributions of 2D and 3D cues in a texture segmentation task, implications for the roles of striate and extrastriate cortex in attentional selection
    Li Zhaoping
    Department of Computer Science, University College London, UK
    J Vis 9:20.1-22. 2009
    ..Subject-dependent variations in the manifestations of the 3D effects also suggest that this later, 3D, contribution to attentional guidance can be easily influenced by top-down control...
  11. doi request reprint After-search--visual search by gaze shifts after input image vanishes
    Li Zhaoping
    Department of Computer Science, University College London, UK
    J Vis 8:26.1-11. 2008
    ..This saliency effect begs the question of what memory, saccade generation, or other neural mechanisms might be responsible...
  12. doi request reprint Attention capture by eye of origin singletons even without awareness--a hallmark of a bottom-up saliency map in the primary visual cortex
    Li Zhaoping
    Department of Computer Science, University College London, UK
    J Vis 8:1.1-18. 2008
    ....
  13. pmc Contextual influences in V1 as a basis for pop out and asymmetry in visual search
    Z Li
    Gatsby Computational Neuroscience Unit, University College London, 17 Queen Square, London WC1N 3AR, United Kingdom
    Proc Natl Acad Sci U S A 96:10530-5. 1999
    ..My model suggests that contextual influences in V1 play a significant role...
  14. pmc Psychophysical tests of the hypothesis of a bottom-up saliency map in primary visual cortex
    Li Zhaoping
    Department of Psychology, University College London, London, United Kingdom
    PLoS Comput Biol 3:e62. 2007
    ..Our findings support the idea that a bottom-up saliency map can be at a lower visual area than traditionally expected, with implications for top-down selection mechanisms...
  15. ncbi request reprint Interference with bottom-up feature detection by higher-level object recognition
    Li Zhaoping
    Department of Psychology, University College London, London WC1E 6BT, United Kingdom
    Curr Biol 17:26-31. 2007
    ..Our results should enable additional examination of known phenomena and interactions between different levels of visual processes...
  16. ncbi request reprint Pre-attentive visual selection
    Li Zhaoping
    University College London, Department of Psychology, United Kingdom
    Neural Netw 19:1437-9. 2006
  17. ncbi request reprint Pre-attentive segmentation in the primary visual cortex
    Z Li
    Gatsby Computatiotnal Neuroscience Unit, University College London, UK
    Spat Vis 13:25-50. 2000
    ....
  18. ncbi request reprint Border ownership from intracortical interactions in visual area v2
    Li Zhaoping
    Department of Psychology, University College London, United Kingdom
    Neuron 47:143-53. 2005
    ..Border ownership signals that model physiological observations arise through finite range, intraareal interactions. Additional effects from surface features and attention are discussed. The model licenses testable predictions...
  19. pmc Pre-attentive segmentation and correspondence in stereo
    Li Zhaoping
    Department of Psychology, University College London, Gower Street, London WC1E 6BT, UK
    Philos Trans R Soc Lond B Biol Sci 357:1877-83. 2002
    ..I will demonstrate that the model captures the following physiological and psychophysical phenomena: (i) depth-edge highlighting; (ii) disparity capture; (iii) pop-out; and (iv) transparency...
  20. ncbi request reprint V1 mechanisms and some figure-ground and border effects
    Zhaoping Li
    Department of Psychology, University College London, Gower Street, London WC1E 6BT, UK
    J Physiol Paris 97:503-15. 2003
    ....
  21. ncbi request reprint Theoretical understanding of the early visual processes by data compression and data selection
    Li Zhaoping
    Department of Psychology, University College London UK
    Network 17:301-34. 2006
    ..This theory links V1 physiology with pre-attentive visual selection behavior. By making experimentally testable predictions, the potentials and limitations of both sets of theories can be explored...
  22. ncbi request reprint Feature-specific interactions in salience from combined feature contrasts: evidence for a bottom-up saliency map in V1
    Ansgar R Koene
    Department of Psychology, UCL, London, UK
    J Vis 7:6.1-14. 2007
    ..Itti & C. Koch, 2001; C. Koch & S. Ullman, 1985; J. M. Wolfe, K. R. Cave, & S. L. Franzel, 1989)...
  23. doi request reprint Effects of surrounding frame on visual search for vertical or tilted bars
    Keith A May
    Department of Computer Science, UCL, Gower Street, London, UK
    J Vis 9:20.1-19. 2009
    ..The effect of the axis declined rapidly to zero with increasing target-axis distance, suggesting that the iso-orientation competition was caused entirely by iso-orientation suppression between nearby units tuned to the same orientation...
  24. doi request reprint Exploring the roles of saturating and supersaturating contrast-response functions in conjunction detection and contrast coding
    Keith A May
    Department of Computer Science, UCL, London, UK
    J Vis 11:11. 2011
    ....
  25. ncbi request reprint The distribution of visual objects on the retina: connecting eye movements and cone distributions
    Alex Lewis
    Department of Psychology, University College London, London, UK
    J Vis 3:893-905. 2003
    ..The human cone distribution and the object distribution in our model visual world are shown to have the same general form and are in close agreement between 5- and 30-deg eccentricity...
  26. ncbi request reprint Computational design and nonlinear dynamics of a recurrent network model of the primary visual cortex
    Z Li
    GCNU, University College London, London WC1N 3AR, UK
    Neural Comput 13:1749-80. 2001
    ..Many of our analytical techniques can be applied to other recurrent networks with translation-invariant neural and connection structures...
  27. ncbi request reprint Mathematical analysis and simulations of the neural circuit for locomotion in lampreys
    Li Zhaoping
    University College, London, United Kingdom
    Phys Rev Lett 92:198106. 2004
    ....
  28. ncbi request reprint Top-down modulation of lateral interactions in early vision: does attention affect integration of the whole or just perception of the parts?
    Elliot Freeman
    Institute of Cognitive Neuroscience, University College London, 17 Queen Square, London WC1N 3AR, United Kingdom
    Curr Biol 13:985-9. 2003
    ..Our results showed the latter outcome and indicated that attention modulates flanker-target integration, rather than just processing of local flanker elements...
  29. pmc Clinical and biochemical effects of the E139K missense mutation in the TIMP3 gene, associated with Sorsby fundus dystrophy
    Z Saihan
    Moorfields Eye Hospital, London, UK
    Mol Vis 15:1218-30. 2009
    ..To determine the phenotypic and biochemical characteristics of the p.E139K missense variant in tissue inhibitor of metalloproteinase 3 (TIMP3) associated with Sorsby fundus dystrophy (SFD)...
  30. ncbi request reprint Are cone sensitivities determined by natural color statistics?
    Alex Lewis
    Department of Psychology, University College London, United Kingdom
    J Vis 6:285-302. 2006
    ....
  31. doi request reprint Perceived direction of motion determined by adaptation to static binocular images
    Keith A May
    UCL Department of Computer Science, University College London, London WC1E 6BT, UK
    Curr Biol 22:28-32. 2012
    ..This is not predicted by any current model of motion perception and suggests that the visual cortex quickly adapts to the prevailing binocular image statistics to maximize information-coding efficiency...
  32. doi request reprint Efficient Coding Theory Predicts a Tilt Aftereffect from Viewing Untilted Patterns
    Keith A May
    UCL Department of Computer Science, University College London, London WC1E 6BT, UK Electronic address
    Curr Biol 26:1571-6. 2016
    ..Our results provide compelling evidence that the brain contains binocular summation and differencing channels that adapt to the prevailing binocular statistics. ..
  33. pmc Primary Visual Cortex as a Saliency Map: A Parameter-Free Prediction and Its Test by Behavioral Data
    Li Zhaoping
    University College London, London, United Kingdom
    PLoS Comput Biol 11:e1004375. 2015
    ....
  34. ncbi request reprint Odour recognition and segmentation by a model olfactory bulb and cortex
    Z Li
    Gatsby Computational Neuroscience Unit, UCL, London, UK
    Network 11:83-102. 2000
    ..This feedback implements olfactory segmentation by suppressing the bulbar response to the pre-existing odour, thereby allowing subsequent odours to be singled out for recognition...
  35. ncbi request reprint Algebraic properties of DNA operations
    Z Li
    Department of Computer Science, University of Western Ontario, London, Canada
    Biosystems 52:55-61. 1999
    ..Then the rest of the operations turn out to be the homomorphisms or anti-homomorphisms of these algebraic structures. Using this technique, we find the relationship among these DNA operations...