Prizes, Works & Presentations

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2024

  • Representation of natural contours by a neural population in monkey V4.

    I. Machida, M. Shishikura, Y. Yamane, K. Sakai (2024)
    eNeuro, 28 February 2024, ENEURO.0445-23.2024

  • 2023

  • Both V4 population and human perception correlate with contour features in figure-ground segregation.

    Shishikura, M., Machida, I., Sakai, K. (2023)
    Annual Meeting 2023, Japanese Neural Network Society, (Oral)
    Tokyo, September 5
  • Modeling multiple preferences in V4 by encoding CNN to neural responses.

    Hara, T., Machida, I., Shishikura, M., Sakai, K. (2023)
    Annual Meeting 2023, Japanese Neural Network Society, (Poster)
    Tokyo, September 4
  • Representation of contour shape and surface texture in monkey V4.

    Machida, I., Yamane, Y., Sakai. K. (2023)
    Annual Meeting 2023, Japan Neuroscience Society, (Oral)
    Sendai, August 4
  • Construction of V4 model neurons with the generalization to multiple visual features.

    Hara, T., Machida, I., Sakai. K. (2023)
    Annual Meeting 2023, Japan Neuroscience Society, (Poster)
    Sendai, August 1
  • Correlation between neural responses and human perception in figure-ground segregation.

    M. Shishikura, H. Tamura and K. Sakai (2023)
    Front. Syst. Neurosci., 12 January 2023, Volume 16-2022

  • 2022

  • Dimensionality of the intermediate-level representation of shape and texture in monkey V4.

    Proceedings of International Conference on Neural Information Processing (ICONIP) 2021
    Neural Networks, Vol. 153
  • Figure-ground responsive fields of monkey V4 neurons estimated from natural image patches.

    K. Kimura, A. Kodama, M. Shishikura, Y. Yamane and K. Sakai (2022)
    PLoS ONE, 17(6):e0268650, 2022, doi:10.1371/journal.pone.0268650
  • Population responses of monkey V4 neurons correlate with human figure-ground perception.

    M. Shishikura, H. Tamura and K. Sakai (2022)
    NEURO 2022 (Oral presentation), # 3O07m2-02

  • 2021

  • Cortical Coding of Surface Textures and Contour Shapes in the Intermediate-level Visual Area V4.

    I. Machida, A. Kodama, K. Kimura, M. Shishikura and Ko Sakai (2021)
    Proceedings of International Conference on Neural Information Processing (ICONIP) 2021
    Communications in Computer and Information Science (CCIS), vol 1517, pp.37-45. Springer
  • Interaction of surface pattern and contour shape in the tilt after effects evoked by symmetry.

    K. Sakai, Y. Sakata, and K. Kurematsu
    Scientific Reports, 11, Article 8024
  • Voluntariness based separation of attentional mechanisms in a visual search task -A possible indication for a new paradigm.

    Matheus Boger and Ko Sakai
    ITE Technical Report, Vol.45, No.7, HI2020-5, pp.17-27
    Human Information Workshop, March 5, 2021
  • Neuronal correlation between the responses to surface and shape in monkey V4.

    I. Machida, A. Kodama and K. Sakai
    IEICE Technical Report, Vol.120, No.403, NC2020-42, pp.7-10
    Technical Committee on Neurocomputing (NC), March 3, 2021
  • Packet-based selective information transmission through gamma oscillations in monkey V4 local-field-potentials during attention task.

    M. Shishikura and K. Sakai
    RIEC Annual Meeting on Cooperative Research Projects FY2020, P-53
    Feb.18, 2021; Tohoku Universtiy(online)

  • 2020

  • Interaction of surface pattern and contour shape in the tilt after effects evoked by symmetry.

    K. Sakai, Y. Sakata, and K. Kurematsu
    Scientific Reports, 11, 2021
  • Emotion modulates unique hue perception.

    N. Shibata, I. Kuriki and K. Sakai
    Vision(Vision Society of Japan, Proceedings), vol.32,No.4,p.141(Long Presentation: Sep.17, 2020; online)
  • Correlation between Responses of FG Cells in Monkey V4 Area and Consistency of Figure-ground Perception of Human.

    M. Shishikura, Y. Yamane, H. Tamura, and K. Sakai
    The 30th Annual Conference of Japanese Neural Network Society, December 3, 2020
  • Neuronal correlation between the responses to surface and shape in monkey V4.

    I. Machida, A. Kodama, and K. Sakai
    The 30th Annual Conference of Japanese Neural Network Society, December 3, 2020
  • Population coding of figure and ground in natural image patches by V4 neurons.

    Y. Yamane, A. Kodama, M. Shishikura, K. Kimura, H. Tamura, and K. Sakai
    PLoS One, 15(6):e0235128, 1-28, 2020
  • Perception and Saccades during Figure-Ground Segregation and Border-Ownership Discrimination in Natural Contours.

    N. Wagatsuma, M. Urabe, and K. Sakai
    IEICE Trans. Information and Systems, Vol. E103.D, No. 5, 1126-1134, 2020

  • 2019

  • Spatial Structure of Receptive Fields and Surrounds in Response to Local Figure-Ground Configuration in Monkey V4.

    K. Kimura, Y. Yamane, H. Tamura and K. Sakai (2019)
    Proceedings of International Conference on Neural Information Processing(ICONIP) 2019, in Austrarian Journal of Intelligent Information Processing Systems, Vol. 17, No.2, 7-13
  • Responses to figure-ground organization in natural image patches by monkey V4 neurons.

    K. SAKAI, K. KIMURA, M. SHISHIKURA, Y. YAMANE, H. TAMURA
    Annual Meeting 2019, Society of Neuroscience, 142.06
  • Receptive Field Structure of Border Ownership-selective Cells in Response to Direction of Figure.

    K. Sakai, K. Tanaka, R. von der Heydt, and E. Niebur (2019)
    Computational Neuroscience Meeting (CNS*2019), July 14, 2019, Balcerona, Spain
  • Figure-Ground Detection by a Population of Neurons with a Variety of Receptive-Field Structures in Monkey V4.

    K. Sakai, K. Kimura, Y. Yamane, and H. Tamura (2019)
    Computational Neuroscience Meeting (CNS*2019), July 15, 2019, Balcerona, Spain
  • Antagonistic receptive-field structure of V4 neurons detects local figure-ground organization in natural image patches.

    Kouji Kimura, Yukako Yamane, Hiroshi Tamura, Ko Sakai (2019)
    Asia Pacific Conference on Vision (APCV 2019), O3-1-2 July 30, 2019
  • Emotion modulates multiple colors for a short duration.

    Noriyo Shibata, Ko Sakai (2019)
    Asia Pacific Conference on Vision (APCV 2019) July 31, 2019
  • Temporal Information for Figure-Ground Determination in Monkey V4.

    Baoxuan Liu, Nobuhiko Wagatsuma, Yukako Yamane, Hiroshi Tamura, Ko Sakai (2019)
    The 29th Annual Conference of Japanese Neural Network Society, Sep.5, 2019
  • Invariance to low-level features and partial transfer over space in the tilt aftereffects evoked by symmetrical patterns.

    Y. Sakata, K. Kurematsu, N. Wagatsuma and K. Sakai (2019).
    Journal of Optical Society of America, A, Vol.36, No.2, pp.283-291

  • 2018

  • Interactions Elicited by the Contradiction Between Figure Direction Discrimination and Figure-Ground Segregation.

    Nobuhiko Wagatsuma, Mika Urabe and Ko Sakai.
    Front. Psychol., 06 Sep. 2018, https://doi.org/10.3389/fpsyg.2018.01681
  • Lux Pacifica 2018 Best Paper Award

    Yuito Mori
  • Analysis of real-world illumination -Lighting changes perception of specularity-

    Yuito Mori, Ko Sakai
    Journal of Science and Technology in Lighting, Vol.41.
  • Analysis of real-world illumination -Lighting changes perception of specularity-

    Yuito Mori, Ko Sakai
    The 8th Lux Pacifica

  • 2016

  • Analysis of lighting characteristics for the emergence of surface specularity

    Yuito Mori, Ko Sakai
    AEARU 11th WEB Technology and Computer Science Workshop
  • Perceptual Representation of Material Quality: Adaptation to BRDF-Morphing Images

    K. Kudou, K. Sakai
    Lecture Notes in Computer Science, 9950, p208-212
  • Representation of Local Figure-Ground by a Group of V4 cells

    Masaharu Hasuike, *Yukako Yamane, *Hiroshi Tamura and Ko Sakai.
    Univ. Tsukuba, *Osaka Univ.
    Lecture Notes in Computer Science, 9947, p131-137(2016)
  • Modeling the Time-Course of Responses for the Border Ownership Selectivity Based on the Integration of Feedforward Signals and Visual Cortical Interactions.

    N. Wagatsuma and K. Sakai
    Frontiers in Psychology, Vol.7, Article 2084
    doi:10.3389/fpsyg.2016.02084
  • Figure-ground discrimination by a population of V4 cells.

    K. Sakai, M. Hasuike, D. Minowa, *Y. Yamane, and *H. Tamura
    Univ. Tsukuba, *Osaka Univ.
    Society for Neuroscience, Annual Meeting 2016, 54.25
  • Adaptation to Symmetry Axis

    Yui Sakata, Ko Sakai
    Vision Sciences Society, Annual Meeting 2016, 43.4038
  • Simultaneous Representation of Shape and Material --- Adaptation to Material Alters the Perception of Depth

    Ko Sakai, Takeshi Oyakawa
    Vision Sciences Society, Annual Meeting 2016, 36.4006
  • Sparse coding generates curvature selectivity in V4 neurons.

    Y. Hatori, T. Mashita and K. Sakai
    Journal of Optical Society of America, A, Vol.33, No.4, pp.552-537,doi:10.1364/JOSAA.33.000527

  • 2015

    • Perceptual representation and effectiveness of local figure?ground cues in natural contours.

      Ko Sakai, Shouhei Matsuoka, Ken Kurematsu and Yasuhiro Hatori
      Front. Psychol., 03 November 2015, doi:10.3389/fpsyg.2015.01685
    • The Simultaneous Perception of Material Qualities and Depth in Human Vision

      T.Oyakawa and K. Sakai
      The Proceeding of the 25th Annual Conference of the Japanese Neural Network Society,p.78
    • Capability of Figure-Ground Discrimination by a Population of V4 cells

      Masaharu Hasuike, Yukako Yamane(*), Hiroshi Tamura(*) and Ko Sakai.(*Osaka University)
      The Proceeding of the 25th Annual Conference of the Japanese Neural Network Society,p.76
    • Figure-Ground Segregation by a Population of V4 cells --- A Computational Analysis on Distributed Representation.

      Masaharu Hasuike, Shuto Ueno, Dai Minowa, Yukako Yamane(*), Hiroshi Tamura(*) and Ko Sakai.(*Osaka University)
      The Proceedings of ICONIP 2015
      International Conference on Neural Informaiton Processing
    • Direction of Figure in Natural Contours by Population Coding of Surround-Modulation Models and V4 Neuronal Activities.

      Masaharu Hasuike, Yusuke Nakata, Yukako Yamame, Hiroshi Tamura and Ko Sakai
      Asia-Pacific Conference on Vision, Singapore, July 11, 2015
      Asia-Pacific Conference on Vision
    • Adaptation to Symmetry Axis --- Towards Understanding the Cortical Representation of Shape ---.

      Ko Sakai, Ken Kurematsu, and Yui Sakata
      Asia-Pacific Conference on Vision, Singapore, July 11, 2015
      Asia-Pacific Conference on Vision
    • Facilitatory mechanisms of specular highlights in the perception of depth.

      K. Sakai, T. Meiji and T. Abe (2015)
      Vision Research, doi: 10.1016/j.visres.2015.05.001
      Vision Research
    • Neural construction of 3D medial axis from the binocular fusion of 2D MAs.

      Wei Qiu, Yasuhiro Hatori, Ko Sakai
      Neurocomputing, Vol.149, B, 546-558
      Neurocomputing
    • Synchronous Firing Caused by Natural Image Contours

      Dai Minowa, Yukako Yamane, Hiroshi Tamura, and Ko Sakai
      10th AEARUWorkshop,p77-78
    • Global and local properties in the perception of figure-ground

      Mika Urabe, Ko Sakai
      10th AEARUWorkshop,p76
    • The Simultaneous Perception of Material Qualities and Depth in Human Vision

      Takeshi Oyakawa, Ko Sakai
      10th AEARUWorkshop,p75
    • Curvatures of Natural Contours Facilitate Neural Responses of Figure-Ground

      Masaharu Hasuike, Yuakako Yamane, Hiroshi Tamura, and Ko Sakai
      10th AEARUWorkshop,p74
    • Cortical Representation of Meterial: Adaptation to Reflectance Distribution Function

      Kouki Kudou and Ko Sakai
      10th AEARUWorkshop,p73

    2014

    • Perception of Symmetry in Natural Images --- A Cortical Representation of Shape.

      Ko Sakai, Ken Kurematsu, and Shouhei Matsuoka
      Lecture Notes in Computer Science, vol.8836, pp.135?141
    • Neural construction of 3D medial axis from the binocular fusion of 2D MAs.

      Wei Qiu, Yasuhiro Hatori, Ko Sakai
      Neurocomputing
    • A Search for Material Representation in the Cortex

      T.Oyakawa K.Kudo and K. Sakai
      The Proceeding of the 24th Annual Conference of the Japanese Nural Network Society,p.42-43
    • Sparseness and Surface Representation in the Generation of CurvatureSelectivity.

      Y. Hatori, T.h Mashita and K. Sakai
      Vision Sciences Society, Annual Meeting 2014, 23.343
    • Perceptual Characteristics of Natural Contours and Their Contributions toFigure/Ground Segregation.

      K. Sakai, K. Kurematsu and S. Matsuoka
      Vision Sciences Society, Annual Meeting 2014, 26.338
    • Early Representation of Shape by Onset Synchronization of Border-Ownership-Selective Cells in the V1-V2 Network.

      Y. Hatori and K. Sakai (2014)
      Journal of Optical Society of America, A, Vol.31

    2013

    • Spatial and Feature-Based Attention in a Layered Cortical Microcircuit Model.

      Nobuhiko Wagatsuma, Tobias C. Potjans, Markus Diesmann, Ko Sakai, Tomoki Fukai (2013)
      PLOS ONE , 06 Dec 2013, 10.1371/journal.pone.0080788
    • Latency Modulation of Border Ownership Selective Cells in V1-V2 Feed-Forward Model.

      K. Sakai and S. Michii
      Lecture Notes in Computer Science, Vol.8228, pp.291-300
      20th International Conference on Neural Information Processing (ICONIP 2013)
    • Sparseness for the Representation of Surface in the Construction of
      Curvature Selectivity in V4

      Y. Hatori, T. Mashita, K. Sakai
      PRISM2: The science of light & shade
    • Sparseness Controls the Receptive Field Characteristics of V4 Neurons:
      Generation of Curvature Selectivity in V4

      Y. Hatori, T. Mashita, K. Sakai
      Lecture Notes in Computer Science, Vol. 8131, pp.327-334
      23rd International Conference on Artificial Neural Networks
    • Sparse Representation in the Construction of Curvature Selectivity in V4

      Y. Hatori, T. Mashita, K. Sakai
      36th European Conference on Visual Perception
    • Surface based integration of local orientations for the construction of curvature selectivity -Neural mechanism of sparse coding in V4-

      Y. Hatori, T. Mashita, K. Sakai
      The 36th Annual Meeting of the Japan Neuroscience Society(Neuro2013)
    • Feature-based attention in Early Vision for the Modulation of Figure-Ground Segregation

      N. Wagatsuma, M. Oki and K. Sakai
      Frontiers in Psychology, vol.4, article 123, 17 pages
      (Frontiers in Perception Science))

    2012

    • Structures of Surround Modulation for the Border-Ownership Selectivity of V2 cells

      Y. Nakata and K. Sakai
      Lecture Notes in Computer Science, vol.7663, p.383
      19th International Conference on Neural Information Processing(ICONIP2012)
    • Surface-based construction of curvature selectivity from the integration of local orientations

      Y. Hatori and K. Sakai
      19th International Conference on Neural Information Processing(ICONIP2012)
    • Spatio-temporal constrains of surround modulation for border-ownership selectivity

      K. Sakai, K.Kondo, S.Michii
      Society for Neuroscience, Annual Meeting 2012
    • Curvature selectivity based on the surface representation in lower- to intermediate-level visual corticies

      Y. Hatori and K. Sakai
      Society for Neuroscience, Annual Meeting 2012
    • Modeling curvature synthesis based on the surface representation in early to intermediate visual areas

      Y. Hatori and K. Sakai
      The 35th Annual Meeting of the Japan Neuroscience Society(Neuroscience 2012),P2-a36
    • Coding Scheme for the representation of shape in cortical area V4 --- A computational analysis

      T. Mashita and K. Sakai
      The 35th Annual Meeting of the Japan Neuroscience Society(Neuroscience 2012),P2-a28
    • Population Coding of Border Ownership in Natural Images

      Y. Nakata and K. Sakai
      The 35th Annual Meeting of the Japan Neuroscience Society(Neuroscience 2012),P1-e16
    • Medial Axis representation of 3D shape in the cortex

      W. Qiu and K. Sakai
      The 22th Annual Conference of Japanese Neural Network Society,P1-6
    • Consistent and robust determination of border-ownership based on asymmetric surrounding modulation.

      K. Sakai, H. Nishimura, R. Shimizu and K. Kondo (2012)
      Neural Networks, Vol.33, 257-274
    • Perception of border ownership by multiple Gestalt factors.

      S. Matsuoka and K. Sakai Asia-Pacific Conference on Vision, Abstract p.63 (oral presentation)
    • Medial axis for the cortical representation of 3D shape.

      W. Qiu and K. Sakai (2012) Asia-Pacific Conference on Vision, Abstract p.63 (oral presentation)
    • Roles of surface representation in early visual areas for the construction
      of curvature selectivity.

      Y. Hatori and K. Sakai
      Brain Inspired Computing 2012, Poster 1-4
    • Representation of shape in cortical area V2.

      T. Mashita and K. Sakai
      Brain Inspired Computing 2012, Poster 1-5
    • Neural mechanisms for 3D shape representation by medial axis.

      W. Qiu and K. Sakai
      Brain Inspired Computing 2012, Poster 2-4
    • A computational study on the representation of curvature constructed from surface-based integration

      Y. Hatori and K .Sakai
      Vision Science Society, Annual Meeting 2012
    • Perceptual integration of specular highlight and shading

      K. Sakai, R. Meiji, T. Abe
      Vision Sciences Society, Annual Meeting 2012

    2011

    • Sparse coding for the representation of shape in cortical area V2

      Tatsuroh Mashita and Ko Sakai
      The Proceedings of the 21st Annual Conference of the Japanese Neural Network Society, pp.52-53

    • Medial Axis for 3D Shape Representation

      W. Qiu, K. Sakai
      Lecture Notes in Computer Science, vol.7062, 79-87
      18th International Conference on Neural Information Processing (ICONIP 2011)
    • Constraints of surround modulation as a mechanism underlying the selectivity of border ownership

      K. Kondo, S. Michii and K. Sakai
      Neuroscience 2011, P4-h13
    • Surface construction from the onset synchronization of border-ownership cells in V1-V2 model

      Y.Hatori and K. Sakai
      Vision Science Society, Annual Meeting 2011,
      Journal of Vision, Volume 11, Number 11, Article 886
    • Decoding of Depth and Motion in Ambiguous Binocular Perception.

      K. Sakai, M. Ogiya and Y. Hirai
      Journal of Optical Society of America, A, Vol.28, No.7, 1445-1452

    2010

    • Roles of early vision for the dynamics of border-ownership selective neurons

      N.Wagatsuma and K.Sakai
      Lecture Notes in Computer Science, vol.6443, 99-106
      17th International Conference on Neural Information Processing (ICONIP 2010)
    • Orientation Dependence of Surround Modulation in the Population Cording of Figure/Ground

      K.Kondo and K.Sakai
      Lecture Notes in Computer Science, vol.6444, 565-573
      17th International Conference on Neural Information Processing (ICONIP 2010)

    2009

    • Robust detection of medial-axis by onset synchronization of border-ownership selective cells and shape reconstruction from its medial-axis

      Y. Hatori and K. Sakai
      Lecture Note in Computer Science, Vol.5506, 301-309 (Oral Presentation) (Procs. ICONIP 08)

    2008

    • Robust Detection of Medial-Axis by Onset Synchronization of Border-Ownership Selective Cells and Shape Reconstruction from its Medial-Axis

      Yasuhiro Hatori, Ko Sakai
      International Conference on Neural Information Processing 2008(New Zealand)
    • Representation of Medial Axis from Synchronous Firing of Border-Ownership Selective Cells

      Yasuhiro Hatori and Ko Sakai
      Lecture Notes In Computer Science, Vol.4984, 18-26, 2008
    • Effect of Spatial Attention in Early Vision for the Modulation of the Perception of Border-Ownership

      Nobuhiko Wagatsuma, Ryohei Shimizu and Ko Sakai
      Lecture Notes In Computer Science, Vol.4984, 348-357, 2008
    • Spatial attention in early vision for the perception of border ownership

      Nobuhiko Wagatsuma, Ryohei Shimizu & Ko Sakai
      Journal of Vision, Volume 8, Number 7, Article 22, p1-19
    • Independence of Space-based and Feature-based Attention in the Determination of Figure Direction.

      Nobuhiko Wagatsuma, Ryohei Shimizu & Ko Sakai
      Computational Neuroscience Meeting 2008
    • Contrast modulation by spatial attention for the perception of figure directions

      Nobuhiko Wagatsuma,Ryohei Shimizu & Ko Sakai
      Journal of Vision,Vision Sciences Society Meeting vol.8-6 p882
    • Orientation and spatial frequency dependency in border-ownership dependent tilt aftereffect

      T.Sugihara, Y. Tsuji and K. Sakai
      Journal of Optical Society of America,A vol.25 p1420-1434



    2007

    • Nobuhiko Wagatsuma ICONIP 2007 Student Best Paper Award

      Proc. of ICONIP 2007
    • Surround modulation reproduces the robust perception of border-ownership includion Gestalt factors

      K.Sakai, H.Nishimura, N.Wagatsuma, and R.Shimizu
      Society for Neuroscience, 2007 Annual Meeting Abstruct 7 229
    • Effect of Spatial Attention in Early Vision for the Modulation of the Perception of Border-Ownership

      N.Wagatsuma, R.Shimizu, K.Sakai
      Proc. of ICONIP 2007
    • talkRepresentation of Medial Axis from Synchronous Firing of Border-Ownership Selective Cells

      Y.Hatori, K.Sakai
      Proc. of ICONIP 2007
    • A crucial role of surrounding modulation for border-ownership determination

      Haruka Nishimura
      30th European conference on visual perception Arezzo, Italy
    • Spatial Attention in Early Vision for the Perception of Border Ownership

      Nobuhiko Wagatsuma
      Computational and Systems Neuroscience 2007 Poster presentation
    • The direction of figure is determined by asymmetric surrounding suppression/facilitation

      H.Nishimura, K.Sakai
      Neurocomputing 70 1920-1924
    • Simultaneous Determination of Depth and Motion in Early Vision

      Ko Sakai, Shiori Katsumata
      Neurocomputing 70 1819-1823
    • Border-ownership dependent tilt after effect in incomplete figures

      T.Sugihara, Y.Tsuji, K.Sakai
      Jornal of Optical Society of America A 24 18-24

      TOP


    2006

    • Spatial Attention in Early Vision Alternates Direction-of-Figure

      Nobuhiko Wagatsuma
      International Conference on Neural Information Processing 2006(Hong Kong)
    • Spatial attention in Early Vision Alternates Direction-of-Figure

      Nobuhiko Wagatsuma, Ko Sakai
      Lecture Notes in Computer Science 4232 219-227
    • The Direction of Figure is Determined by Asymmetric Surrounding Suppression/Facilitation

      Haruka Nishimura
      Computional Neuroscience Meeting 2006(Edingbourgh,UK)
    • The Direction of Figure is Determined by Asymmetric Surrounding Suppression/Facilitation

      Haruka Nishimura
      The Fourth Asian Conference on Vision 2006
    • Spatial Attention in Early Vision for the Perception of Border Ownership

      Nobuhiko Wagatsuma and Ko Sakai
      The Fourth Asian Conference on Vision 2006
    • Orientation Dependency in Border-Ownership Dependent Tilt-Aftereffect

      Yoshihisa Tsuji, Tadashi Sugihara, Ko Sakai
      The Fourth Asian Conference on Vision 2006
    • Shape from Shading -Facilitation by Local Contrast-

      Kazuki Narushima and Ko Sakai
      The Fourth Asian Conference on Vision 2006
    • Facilitation of shape-from-shading perception by random textures

      Ko Sakai, Kazuki Narushima, Natsuko Aoki
      Jornal of Optical Society of America A 23 1805-1813


    2005

    • Surrounding Suppression and Facilitation in the Determination of Border Ownership

      K. Sakai, H. Nishimura
      Journal of Cognitive Neuroscience 18 562-579
    • Surrounding suppression and facilitation evoke border ownershipselectivity - A computational study

      K. Sakai
      Neuroscience Research
    • The computational model for border-ownership determination consisting of surrounding suppression and facilitation in early vision

      H. Nishimura, K. Sakai
      Neurocomputing 65-66 77-83
    • Perception of depth and motion from ambiguous binocular information

      K. Sakai, M. Ogiya and Y. Hirai
      Vision Research 45 2471-2480
    • Asymmetric surrounding suppression and facilitation in the determination of border ownership

      K. Sakai, H. Nishimura and Y. Tsuji
      Society for Neuroscience 2005 Annual Meeting
    •  

      K. Sakai, H. Nishimura, and Y. Tsuji
      Neuroscience Research (Abstract of Japan Neuroscience Society Annual Meeting 2005) 47 Sup.1
    • The Computational Model of Joint-encoding of Interoculer Time Difference and Binocular Disparity in V1

      H. Nishimura, K. Sakai
      Neurocomputing 58-60C 843-848

      TOP


    2004

    • Determination of border-ownership based on surround context of contrast

      H. Nishimura, K. Sakai
      Neurocomputing 58-60C 843-848
    •  

      Haruka Nishimura
      Organization for Computational NeurosciencesThe Annual computational Neuroscience Meeting Baltimore,USA
    •  

      Nobuhiko Wagatsuma
      Okinawa Computational Neuroscience Course
    • In-figure and boundary contrast as a salient feature in shape-from-shading perception

      N. Aoki and K. Sakai
      Progress in Biochemistry and Biophysics 31S 44
    • The role of early vision in the determination of depth and motion from ambiguous binocular information

      K. Sakai M. Ogiya and Y. Hirai
      Vision Sciences Society 2004 Annual Meeting Abstract 107


    2003

    •  

      Haruka Nishimura
      Organization for Computational NeurosciencesThe Annual computational Neuroscience Meeting Alicante,Spain
    • A network model for figure/ground determination based on contrast information

      H. Nishimura, K. Sakai
      The neural Basis of Early Vision 11 226-230
    • Functional roles of receptive field structure in the perception of orientation

      K. Sakai
      Neurocomputing 52-54 141-149
    • Figure/ground determination based on the surround context of contrast - A computational study

      H. Nishimura and K. Sakai
      Neuroscience Research (Abstract of Japan Neuroscience Society Annual Meeting 2003) 46, Sup.1 S131

      TOP


    2002

    •  

      Haruka Nishimura
      Symposia for Life Sciences and Medicine
    • Integration of space and time leading to the simultaneous perception of depth and motion --- perception of objects moving behind a thin slit ---

      M. Ogiya, K. Sakai, and Y. Hirai
      Proc. of ICONIP'02 (9th International Conference on Neural Information Processing) 3 1231-1235
    • Neural grouping and geometric effect in the determination of apparent orientation

      K. Sakai and Y. Hirai
      Journal of Optical Society of America A 19 1049-1062


    2001

    • Spatial properties of cortical-cell receptive fields in the determination of apparent orientation

      K. Sakai
      Proc. of International Symposium on Measurement, Analysis, and Modeling of Human Functions (ISHF) 21-25
    • Neural grouping in early vision for the perception of orientation

      K. Sakai
      Society for Neuroscience 2001 Annual Meeting Abstract 285 16
    • Ambiguous contours in shape-from-shading

      K. Sakai and T. Monma
      Asian Conference on Vision (ACV) 2001 37
    • Perception of multiple-depths at a single retinal position

      M. Kikuchi, K. Sakai and Y. Hirai
      Perception (Abstract of European Conference on Vision and Perception (ECVP)) 0 sup. 42
      Investigative Ophthalmology and Visual Science, Annual Meeting Abstract (ARVO), IOVS(Investigative Ophthalmology & Visual Science) 42, No.4, sup. 613
    • Relation between contour saliency and binocular disparity

      K.Sakai
      ARVO

      TOP


    2000

    • Perceptual segmentation and neural grouping in tilt illusion

      K. Sakai and S. Tanaka
      Neurocomputing 32, No.1 979-986
    • Spatial pooling in the second-order structure of cortical complex cells -- Computational analysis

      K. Sakai and S. Tanaka
      Vision Research 40 855-871
    • A network mechanism for the determination of apparent tilt

      K. Sakai
      Proceedings of International Conference on Pattern Recognition (ICPR) 3 967-970
    • Neural grouping for the perception of gobal orientation based on V1 colinear connections and synchronization

      K. Sakai
      The 26th International Symposium of National Institute of Physiological Study, "Neural Mechanisms of Visual Perception and Cognition" 84
    • Neural segmentation and integration in the perception of orientation

      K. Sakai
      The Institute of Image Information and Television Engineers, Technical Report 24, No.63 11-15

     

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