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Ko Sakai, Ph.D. - Publications

Affiliations: 
1999- Department of Computer Science University of Tsukuba (Japan) 
Area:
visual system,
Website:
http://www.cvs.cs.tsukuba.ac.jp
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47 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2024 Machida I, Shishikura M, Yamane Y, Sakai K. Representation of Natural Contours by a Neural Population in Monkey V4. Eneuro. 11. PMID 38423791 DOI: 10.1523/ENEURO.0445-23.2024  0.309
2022 Kodama A, Kimura K, Sakai K. Dimensionality of the intermediate-level representation of shape and texture in monkey V4. Neural Networks : the Official Journal of the International Neural Network Society. 153: 444-449. PMID 35809373 DOI: 10.1016/j.neunet.2022.06.027  0.336
2020 Yamane Y, Kodama A, Shishikura M, Kimura K, Tamura H, Sakai K. Population coding of figure and ground in natural image patches by V4 neurons. Plos One. 15: e0235128. PMID 32589671 DOI: 10.1371/Journal.Pone.0235128  0.352
2019 Sakata Y, Kurematsu K, Wagatsuma N, Sakai K. Invariance to low-level features and partial transfer over space in the tilt aftereffects evoked by symmetrical patterns. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 36: 283-291. PMID 30874108 DOI: 10.1364/Josaa.36.000283  0.357
2018 Wagatsuma N, Urabe M, Sakai K. Interactions Elicited by the Contradiction Between Figure Direction Discrimination and Figure-Ground Segregation. Frontiers in Psychology. 9: 1681. PMID 30237781 DOI: 10.3389/Fpsyg.2018.01681  0.369
2016 Wagatsuma N, Sakai K. Modeling the Time-Course of Responses for the Border Ownership Selectivity Based on the Integration of Feedforward Signals and Visual Cortical Interactions. Frontiers in Psychology. 7: 2084. PMID 28163688 DOI: 10.3389/Fpsyg.2016.02084  0.457
2016 Hatori Y, Mashita T, Sakai K. Sparse coding generates curvature selectivity in V4 neurons. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 33: 527-37. PMID 27140760 DOI: 10.1364/Josaa.33.000527  0.764
2015 Sakai K, Matsuoka S, Kurematsu K, Hatori Y. Perceptual representation and effectiveness of local figure-ground cues in natural contours. Frontiers in Psychology. 6: 1685. PMID 26579057 DOI: 10.3389/Fpsyg.2015.01685  0.748
2015 Qiu W, Hatori Y, Sakai K. Neural construction of 3D medial axis from the binocular fusion of 2D MAs Neurocomputing. 149: 546-558. DOI: 10.1016/J.Neucom.2014.08.019  0.733
2014 Hatori Y, Sakai K. Early representation of shape by onset synchronization of border-ownership-selective cells in the V1-V2 network. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 31: 716-29. PMID 24695133 DOI: 10.1364/Josaa.31.000716  0.788
2014 Hatori Y, Mashita T, Sakai K. Sparseness and Surface Representation in the Generation of Curvature Selectivity Journal of Vision. 14: 69-69. DOI: 10.1167/14.10.69  0.752
2014 Sakai K, Kurematsu K, Matsuoka S. Perceptual Characteristics of Natural Contours and Their Contributions to Figure/Ground Segregation Journal of Vision. 14: 260-260. DOI: 10.1167/14.10.260  0.335
2013 Wagatsuma N, Potjans TC, Diesmann M, Sakai K, Fukai T. Spatial and feature-based attention in a layered cortical microcircuit model. Plos One. 8: e80788. PMID 24324628 DOI: 10.1371/Journal.Pone.0080788  0.412
2013 Wagatsuma N, Oki M, Sakai K. Feature-based attention in early vision for the modulation of figure-ground segregation. Frontiers in Psychology. 4: 123. PMID 23515841 DOI: 10.3389/Fpsyg.2013.00123  0.424
2012 Sakai K, Nishimura H, Shimizu R, Kondo K. Consistent and robust determination of border ownership based on asymmetric surrounding contrast. Neural Networks : the Official Journal of the International Neural Network Society. 33: 257-74. PMID 22732320 DOI: 10.1016/J.Neunet.2012.05.006  0.427
2012 Wagatsuma N, Potjans T, Diesmann M, Sakai K, Fukai T. Space-based and Feature-based Attention in a Realistic Layered-microcircuit Model of Visual Cortex Journal of Vision. 12: 662-662. DOI: 10.1167/12.9.662  0.35
2012 Hatori Y, Sakai K. A computational study on the representation of curvature constructed from surface-based integration Journal of Vision. 12: 1310-1310. DOI: 10.1167/12.9.1310  0.744
2012 Qiu W, Sakai K. Medial Axis for the Cortical Representation of 3D Shape I-Perception. DOI: 10.1068/If702  0.386
2011 Hatori Y, Sakai K. Surface construction from the onset synchronization of border-ownership cells in V1-V2 model Journal of Vision. 11: 886-886. DOI: 10.1167/11.11.886  0.748
2011 Wagatsuma N, Potjans T, Diesmann M, Sakai K, Fukai T. Spatial and feature-based attentional processing by top-down signals in a visual cortical layered microcircuit model Neuroscience Research. 71: e175. DOI: 10.1016/J.Neures.2011.07.757  0.361
2011 Hatori Y, Sakai K. Onset synchronization of border-ownership selective cells for the primitive representation of shape in V1–V2 recurrent network Neuroscience Research. 71. DOI: 10.1016/J.Neures.2011.07.628  0.745
2010 Wagatsuma N, Shimizu R, Sakai K. Contrast modulation by spatial attention for the perception of figure directions Journal of Vision. 8: 882-882. DOI: 10.1167/8.6.882  0.332
2010 Wagatsuma N, Mishima T, Fukai T, Sakai K. Roles of Early Vision for the Dynamics of Border-Ownership Selective Cells Journal of Vision. 10: 943-943. DOI: 10.1167/10.7.943  0.3
2010 Wagatsuma N, Oki M, Sakai K. A role of early visual areas for the feature-based attention modulation of border-ownership — a simulation study Neuroscience Research. 68. DOI: 10.1016/J.Neures.2010.07.1305  0.379
2008 Wagatsuma N, Shimizu R, Sakai K. Spatial attention in early vision for the perception of border ownership. Journal of Vision. 8: 22.1-19. PMID 19146255 DOI: 10.1167/8.7.22  0.436
2008 Sugihara T, Tsuji Y, Sakai K. Surround modulation in visual cortex can predict border-ownership selectivity: psychophysical study of border-ownership-dependent tilt aftereffect. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 25: 1426-34. PMID 18516154 DOI: 10.1364/Josaa.25.001426  0.422
2008 Wagatsuma N, Shimizu R, Sakai K. Independence of space-based and feature-based attention in the determination of figure direction Bmc Neuroscience. 9: 116. DOI: 10.1186/1471-2202-9-S1-P116  0.372
2007 Sugihara T, Tsuji Y, Sakai K. Border-ownership-dependent tilt aftereffect in incomplete figures. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 24: 18-24. PMID 17164839 DOI: 10.1364/Josaa.24.000018  0.353
2007 Nishimura H, Tsuji Y, Sakai K. Characteristics of surround modulation and stimulus shape for consistent determination of border ownership Neuroscience Research. 58. DOI: 10.1016/J.Neures.2007.06.988  0.343
2007 Sakai K, Katsumata S. Simultaneous determination of depth and motion in early vision Neurocomputing. 70: 1819-1823. DOI: 10.1016/J.Neucom.2006.10.109  0.318
2007 Nishimura H, Sakai K. The direction of figure is determined by asymmetric surrounding suppression/facilitation Neurocomputing. 70: 1920-1924. DOI: 10.1016/J.Neucom.2006.10.106  0.429
2006 Sakai K, Narushima K, Aoki N. Facilitation of shape-from-shading perception by random textures. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 23: 1805-13. PMID 16835635 DOI: 10.1364/Josaa.23.001805  0.4
2006 Sakai K, Nishimura H. Surrounding suppression and facilitation in the determination of border ownership. Journal of Cognitive Neuroscience. 18: 562-79. PMID 16768360 DOI: 10.1162/Jocn.2006.18.4.562  0.402
2005 Sakai K, Ogiya M, Hirai Y. Perception of depth and motion from ambiguous binocular information. Vision Research. 45: 2471-80. PMID 15961137 DOI: 10.1167/4.8.459  0.333
2005 Nishimura H, Sakai K. The computational model for border-ownership determination consisting of surrounding suppression and facilitation in early vision Neurocomputing. 65: 77-83. DOI: 10.1016/J.Neucom.2004.10.057  0.425
2004 Nishimura H, Sakai K. Determination of border ownership based on the surround context of contrast Neurocomputing. 58: 843-848. DOI: 10.1016/J.Neucom.2004.01.136  0.396
2003 Sakai K. Functional roles of receptive field structures in the perception of orientation Neurocomputing. 52: 141-149. DOI: 10.1016/S0925-2312(02)00833-0  0.392
2003 Nishimura H, Sakai K. A Network Model for Figure/Ground Determination Based on Contrast Information The Keio Journal of Medicine. 51: 231-235. DOI: 10.1007/978-4-431-68447-3_78  0.433
2002 Sakai K, Hirai Y. Neural grouping and geometric effect in the determination of apparent orientation. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 19: 1049-62. PMID 12049342 DOI: 10.1364/Josaa.19.001049  0.423
2000 Sakai K, Tanaka S. Spatial pooling in the second-order spatial structure of cortical complex cells. Vision Research. 40: 855-71. PMID 10683461 DOI: 10.1016/S0042-6989(99)00230-8  0.342
2000 Sakai K, Tanaka S. Perceptual segmentation and neural grouping in tilt illusion Neurocomputing. 32: 979-986. DOI: 10.1016/S0925-2312(00)00269-1  0.43
1999 Sakai K, Tanaka S. Retinotopic coding and neural grouping in tilt illusion Neurocomputing. 26: 837-843. DOI: 10.1016/S0925-2312(98)00128-3  0.386
1997 Sakai K, Sajda P, Yen SC, Finkel LH. Coarse-grain parallel computing for very large scale neural simulations in the NEXUS simulation environment. Computers in Biology and Medicine. 27: 257-66. PMID 9303264 DOI: 10.1016/S0010-4825(96)00029-7  0.731
1997 Sakai K, Finkel LH. Spatial-frequency analysis in the perception of perspective depth Network: Computation in Neural Systems. 8: 335-352. DOI: 10.1088/0954-898X_8_3_007  0.659
1997 Sakai K, Tanaka S. A Recurrent Network for Tilt Illusions Based on Retinotopic Coding Perception. 26: 342-342. DOI: 10.1068/v970348  0.304
1995 Sakai K, Finkel LH. Characterization of the spatial-frequency spectrum in the perception of shape from texture. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 12: 1208-24. PMID 7769507 DOI: 10.1364/Josaa.12.001208  0.677
1994 Sakai K, Finkel LH. Shape-from-texture algorithm based on human visual psychophysics Proceedings of the Ieee Computer Society Conference On Computer Vision and Pattern Recognition. 527-532.  0.602
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