Factors for Figure-Ground Segregation and Its Cortical Mechanisms

• Project/Area Number: 19530648
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Experimental psychology
• Research Institution: University of Tsukuba
• Principal Investigator: SAKAI Ko University of Tsukuba, 大学院・システム情報工学研究科, 教授 (80281666)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000); Fiscal Year 2007: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
• Keywords: 実験系心理学 / 認知科学 / 神経科学 / 脳 / 神経 / 画像 / 文章 / 音声等認識 / 実験心理学 / 脳・神経 / 画像・文章・音声等認識

Research Abstract

知覚現象としての図地分離に注目して, 疑似ランダム刺激と計算統計的手法を利用した心理物理実験と計算論的モデルのシミュレーション実験により, 図地分離を導く刺激因子を客観的・定量的に明らかにした。さらに, 初・中期視覚野(V2, V4)の細胞が示す図方向選択性は周囲変調を起源とすることを示し, この周辺特性が図地分離を導く刺激特性と一致することを示した。

Research Products

• [Journal Article] Robust detection of medial-axis by onset synchronization of border-ownership selective cells and shape reconstruction from its medial-axis. (2009)
  • Author(s): Y. Hatori and K. Sakai
  • Journal Title: Lecture Note in Computer Science (in press)
  • Peer Reviewed
• [Journal Article] Robust detection of medial-axis by onset synchronization of border-ownership selective cells and shape reconstruction from its medial-axis (2008)
  • Author(s): Y. Hatori, and K. Sakai
  • Journal Title: Lecture Note in Computer Science (in press)
  • Peer Reviewed
• [Journal Article] Orientation and spatial frequency dependency in border-ownership dependent tilt aftereffect (2008)
  • Author(s): T. Sugihara, Y. Tsuji,and K. Sakai
  • Journal Title: Journal of Optical Society of America, A of Optical Society of America Vol.25, No.6 Pages: 1426-1434
  • Peer Reviewed
• [Journal Article] Spatial attention in early vision for the perception of border ownership (2008)
  • Author(s): N. Wagatsuma, R. Shimizu,and K. Sakai
  • Journal Title: Journal of Vision Vol.8, No.7, 22 Pages: 1-19
  • Peer Reviewed
• [Journal Article] Representation of medial axis from synchronous firing of border-ownership selective cells (2008)
  • Author(s): Y. Hatori,and K. Sakai
  • Journal Title: Lecture Note Lecture Note in Computer Science Vol.4984 Pages: 18-26
  • Peer Reviewed
• [Journal Article] Effect of spatial attention in early vision for the modulation of the perception of border-ownership. (2008)
  • Author(s): N. Wagatsuma, R. Shimizu,and K. Sakai
  • Journal Title: Lecture Note in Computer Lecture Note in Computer Science Vol.4984 Pages: 348-357
  • Peer Reviewed
• [Journal Article] Orientation and spatial frequency dependency in border-ownership dependent tilt aftereffect. (2008)
  • Author(s): T. Sugihara, Y. Tsuji and K Sakai
  • Journal Title: Journal of Optical Society of America, A 25 Pages: 1426-1434
  • Peer Reviewed
• [Journal Article] Spatial attention in early vision for the perception of borde-ownership (2008)
  • Author(s): N. Wagatsuma, R. Shimizu and K. Sakai
  • Journal Title: Journal of Vision 8 Pages: 1-19
  • Peer Reviewed
• [Journal Article] Y. Hatori and K. SakaiRepresentation of medial axis from synchronous firing of border-ownership selective cells (2008)
  • Author(s): Y. Hatori and K. Sakai
  • Journal Title: Lecture Note in Computer Science 4894 Pages: 18-26
  • Peer Reviewed
• [Journal Article] Effect of spatial attention in early vision for the modulation of the perception of border-ownership. (2008)
  • Author(s): N. Wagatsuma, R. Shimizu and K. Sakai
  • Journal Title: Lecture Note in Computer Science 4894 Pages: 348-357
  • Peer Reviewed
• [Journal Article] Direction of figure is determined by asymmetric surrounding suppression/facilitation (2007)
  • Author(s): H. Nishimura,and K. Sakai
  • Journal Title: Neurocomputing Vol.70 Pages: 1920-1924
  • Peer Reviewed
• [Journal Article] Simultaneous determination of depth and motion in early vision (2007)
  • Author(s): K. Sakai.and S. Katsumata
  • Journal Title: Neurocomputing Vol.70 Pages: 1819-1823
  • Peer Reviewed
• [Journal Article] Border-ownership dependent tilt aftereffect without completeness of a figure (2007)
  • Author(s): T. Sugihara, Y. Tsuji.and K. Sakai
  • Journal Title: Journal of Optical Journal of Optical Society of America, A Vol.24, No.1 Pages: 18-24
  • Peer Reviewed
• [Journal Article] Direction of figure is determined by asymmetric surrounding suppression/facilitation. (2007)
  • Author(s): H. Nishimura & K. Sakai
  • Journal Title: Neurocomputing Vol. 70 Pages: 1920-1924
  • Peer Reviewed
• [Journal Article] Simultaneous determination of depth and motion in early vision. (2007)
  • Author(s): K. Sakai & S. Katsumata
  • Journal Title: Neurocomputing Vol. 70 Pages: 1819-1824
  • Peer Reviewed
• [Journal Article] Border-ownership dependent tilt aftereffect without completeness of afigure. (2007)
  • Author(s): T. Sugihara, Y. Tsuji & K. Sakai
  • Journal Title: Journal of Optical Society of America, A Vol. 24 Pages: 18-24
  • Peer Reviewed
• [Journal Article] 面知覚の基礎としての境界所有の皮質メカニズム (2007)
  • Author(s): 酒井 宏
  • Journal Title: 日本神経回路学会誌 Vol. 14 Pages: 13-25
• [Journal Article] Representation of Medial Axis from Synchronous Firing of Border-Ownership Selective Cells.
  • Author(s): Y. Hatori & K. Sakai
  • Journal Title: Lecture Notes in Computer Science(Proc. International Conference on Neural Information Processing(ICONIP) (In press)
  • Peer Reviewed
• [Journal Article] Effect of Spatial Attention in Early Vision for the Modulation of the Perception of Border-Ownership
  • Author(s): N. Wagatsuma & K. Sakai
  • Journal Title: Lecture Notes in Computer Science(Proc. International Conference on Neural Information Processing(ICONIP) (In press)
  • Peer Reviewed
• [Presentation] Sparse Codingを制約としたV1受容野情報表現モデルの統計的評価 (2009)
  • Author(s): 廣瀬義崇,酒井宏
  • Organizer: 映像情報メディア学会ヒューマンインフォメーション研究会
  • Place of Presentation: 東京都
  • Year and Date: 2009-03-19
• [Presentation] 特徴に基づく注意が図方向知覚に及ぼす影響 (2009)
  • Author(s): 沖めぐみ,我妻伸彦,酒井宏
  • Organizer: 映像情報メディア学会ヒューマンインフォメーション研究会
  • Place of Presentation: 東京都
  • Year and Date: 2009-03-19
• [Presentation] 形状知覚に輪郭の同期が与える効果 (2009)
  • Author(s): 光岡亜弥,羽鳥康裕,酒井宏
  • Organizer: 映像情報メディア学会ヒューマンインフォメーション研究会
  • Place of Presentation: 東京都
  • Year and Date: 2009-03-19
• [Presentation] 硯点光源画像からの3次元形状知覚-ハイライトの機能- (2009)
  • Author(s): 村上友佳子,酒井宏
  • Organizer: 映像情報メディア学会ヒューマンインフォメーション研究会
  • Place of Presentation: 東京都
  • Year and Date: 2009-03-19
• [Presentation] 同期発火に基づく中心軸による物体形状の符号化 (2009)
  • Author(s): 羽鳥康裕,酒井宏
  • Organizer: 電子情報通信学会ニューロコンピューティング研究会
  • Place of Presentation: 東京都
  • Year and Date: 2009-03-12
• [Presentation] Border Ownership決定に関する初期視覚野への注意が果たす役割 (2009)
  • Author(s): 我妻伸彦,清水亮平,酒井宏
  • Organizer: 電子情報通信学会ニューロコンピューティング研究会
  • Place of Presentation: 東京都
  • Year and Date: 2009-03-12
• [Presentation] 周辺変調を起源とする図方向選択性が導くGestalt要因 (2009)
  • Author(s): 青野健介,清水亮平,酒井宏
  • Organizer: 電子情報通信学会ニューロコンピューティング研究会
  • Place of Presentation: 東京都
  • Year and Date: 2009-03-12
• [Presentation] ハイライトによる3次元形状知覚の促進 (2008)
  • Author(s): 明治涼子、酒井宏
  • Organizer: 日本視覚学会夏期大会
  • Place of Presentation: 東京都
  • Year and Date: 2008-08-05
• [Presentation] Independence of space-based and feature-based attention in the determination of Independence of space-based and feature-based attention in the determination of figure direction (2008)
  • Author(s): N. Wagatsuma, R. Shimizu,and K. Sakai
  • Organizer: BMC Neuroscience 2008, 9(Suppl 1), 116 (Seventeenth Annual Computational Neuroscience Meeting :BMC Neuroscience 2008, 9(Suppl 1), 116(Seventeenth Annual Computational Neuroscience Meeting : CNS*2008)
  • Place of Presentation: Portland, OR, USA
  • Year and Date: 2008-07-21
• [Presentation] Independence of space-based and feature-based attention in the determination of figure direction. (2008)
  • Author(s): N. Wagatsuma, R. Shimizu and K. Sakai
  • Organizer: Computational Neuroscience Meeting 2008
  • Place of Presentation: Portland, Oregon, USA
  • Year and Date: 2008-07-20
• [Presentation] Robust representation of medial axis by the onset synchronization of border-ownershipnset synchronization of border-ownership (2008)
  • Author(s): Y. Hatori,and K. Sakai
  • Organizer: Neuro 2008, Annual Meeting Abstract for Japan Neuroscience Society Annual Meeting Abstract for Japan Neuroscience Society
  • Place of Presentation: P2-k09, Tokyo
  • Year and Date: 2008-07-10
• [Presentation] Robust representation of medial axis by the onset synchronization of border-ownership (2008)
  • Author(s): Y. Hatori and K. Sakai
  • Organizer: Neuro 2008
  • Place of Presentation: Tokyo, Japan
  • Year and Date: 2008-07-10
• [Presentation] Spatial attention in early vision modulates the perception of the border-ownership (2008)
  • Author(s): N. Wagatsuma, R. Shimizu,and K. Sakai
  • Organizer: Neuro 2008, Annual Meeting Abstract for Japan Neuroscience Society
  • Place of Presentation: Tokyo, P1-j03
  • Year and Date: 2008-07-09
• [Presentation] Spatial attention in early vision modulates the perception of the border-ownership. (2008)
  • Author(s): N. Wagatsuma, R. Shimizu and K. Sakai
  • Organizer: Neuro 2008
  • Place of Presentation: Tokyo, Japan
  • Year and Date: 2008-07-09
• [Presentation] Contrast modulation by spatial attention for the perception of figure directions. (2008)
  • Author(s): N. Wagatsuma, R. Shimizu and K. Sakai
  • Organizer: Vision Sciences Society 2008
  • Place of Presentation: Naples, Florida, USA
  • Year and Date: 2008-05-13
• [Presentation] Contrast Modulation by Spatial Attention for Contrast Modulation by Spatial Attention for the Perception of Figure Directions (2008)
  • Author(s): N. Wagatsuma, R. Shimizu and K. Sakai
  • Organizer: Journal of Vision, Vision Sciences Society, 2008 Annual Meeting Abstract
  • Place of Presentation: vol.8-6 p882, Naples, FL, USA
  • Year and Date: 2008-05-10
• [Presentation] 3次元形状知覚におけるハイライトの効果 (2008)
  • Author(s): 明治涼子, 酒井 宏
  • Organizer: 映像情報メディア学会 ヒューマンインフォメーション研究会
  • Place of Presentation: 東京都
• [Presentation] 曖昧な眼間時差が持つ共変性と生成知覚 (2008)
  • Author(s): 荻谷光晴, 酒井 宏
  • Organizer: 映像情報メディア学会 ヒューマンインフォメーション研究会
  • Place of Presentation: 東京都
• [Presentation] 自然画像を対象とする図方向決定アルゴリズム -視覚皮質の文脈依存性を用いた情報爆発への対応 (2008)
  • Author(s): 渡辺哲次、酒井 宏
  • Organizer: 情報処理学会第70回全国大会
  • Place of Presentation: つくば市
• [Presentation] 大域統合による局所運動の無視 (2008)
  • Author(s): 谷 浩二、酒井 宏
  • Organizer: 情報処理学会第70回全国大会
  • Place of Presentation: つくば市
• [Presentation] 無意識の意味-図方向決定における視覚的注意 (2008)
  • Author(s): 清水亮平、我妻伸彦、酒井宏
  • Organizer: 情報処理学会第70回全国大会
  • Place of Presentation: つくば市
• [Presentation] 色相変化による陰影からの奥行き知覚促進 (2008)
  • Author(s): 成島 和樹、酒井 宏
  • Organizer: 情報処理学会 第70回全国大会
  • Place of Presentation: つくば市
• [Presentation] 大域統合による局所運動の無視 (2008)
  • Author(s): 谷 浩司、酒井 宏
  • Organizer: 日本視覚学会 冬季大会
  • Place of Presentation: 東京都
• [Presentation] 眼間時差から生じる奥行きと運動の知覚 (2008)
  • Author(s): 荻谷 光晴、酒井 宏
  • Organizer: 日本視覚学会 冬季大会
  • Place of Presentation: 東京都
• [Presentation] 周囲コントラスト変調によるGestalt Factorsの出現Border-Ownership細胞モデルの自然画像への適応 (2008)
  • Author(s): 渡辺 哲次、酒井 宏
  • Organizer: 日本視覚学会 冬季大会
  • Place of Presentation: 東京都
• [Presentation] 空間的注意による図方向変調の不変性 (2008)
  • Author(s): 清水亮平、我妻伸彦、酒井 宏
  • Organizer: 日本視覚学会 冬季大会
  • Place of Presentation: 東京都
• [Presentation] Surround modulation reproduces the robust perception of border-ownership including Gestalt factors (2007)
  • Author(s): K. Sakai, H. Nishimura, N. Wagatsuma,and R. Shimizu
  • Organizer: Society for Neuroscience, 2007 Annual Meeting Abstract, 229.7(oralpresentation, in top 10%)
  • Place of Presentation: San Diego, CA, USA
  • Year and Date: 2007-11-04
• [Presentation] Properties of synaptic transmission activatedy UV and IR laser photolysis and its analysis (2007)
  • Author(s): H. Kojima, T. Maruo, S. Katsumata, S. Tojou, Y.Nakazato, M. Tsukada, S. Okabe,and K. Saka
  • Organizer: Society for Neuroscience, 2007 Annual Society for Neuroscience, 2007 Annual Meeting Abstract
  • Place of Presentation: 360.17/K27, Yokohama
  • Year and Date: 2007-11-04
• [Presentation] Analysis of synaptic transmissions by UV and Analysis of synaptic transmissions by UV and IR laser photolysis (2007)
  • Author(s): H. Kojima, T. Maruo, S.Katsumata, S. Tojou, Y. Nakazato, M. Tsukada, S.Okabe,and K. Sakai
  • Organizer: Neuro 2007, Annual Meeting Abstract for Japan Neuroscience Society
  • Place of Presentation: Yokohama
  • Year and Date: 2007-09-11
• [Presentation] Figure/ground segregation in natural images based on surround modulation in early vision (2007)
  • Author(s): S. Watanabe, H. Nishimura,and K. Sakai
  • Organizer: Neuro 2007, Annual Meeting Abstract for Japan Neuro 2007, Annual Meeting Abstract for Japan Neuroscience Society
  • Place of Presentation: P2-e28, Yokohama
  • Year and Date: 2007-09-11
• [Presentation] Characteristics of surround modulation and stimulus shape for consistent determination of Characteristics of surround modulation and stimulus shape for consistent determination of border ownership (2007)
  • Author(s): H. Nishimura, Y. Tsuji,and K. Sakai
  • Organizer: Neuro 2007, Annual Meeting Abstract for Japan Neuroscience Society Neuro 2007, Annual Meeting Abstract for Japan Neuroscience Society
  • Place of Presentation: P3-f04, Yokohama
  • Year and Date: 2007-09-11
• [Presentation] A crucial role of surrounding modulation for border-ownership determination (2007)
  • Author(s): H. Nishimura, S. Watanabe,and K. Sakai
  • Organizer: Perception, Vol.36, 216(European Conference Perception, Vol.36, 216(European Conference on Vision and Perception 2007, Abstract)
  • Place of Presentation: Arezzo, Italy
  • Year and Date: 2007-08-30
• [Presentation] Surround modulation reproduces the robust perception of border-ownership including Gestalt factors. (2007)
  • Author(s): K. Sakai, H. Nishimura, N. Wagatsuma & R. Shimizu
  • Organizer: Society for Neuroscience
  • Place of Presentation: San Diego, USA
• [Presentation] Properties of synaptic transmission activated by UV and IR laser photolysis and its analysis. (2007)
  • Author(s): H. Kojima, T. Maruo, S. Katsumata, S. Tojou, Y. Nakazato, M. Tsukada, S. Okabe & K .Sakai
  • Organizer: Society for Neuroscience
  • Place of Presentation: San Diego, USA
• [Presentation] Analysis of synaptic transmissions by UV and IR laser photolysis. (2007)
  • Author(s): H. Kojima, T. Maruo, S. Katsumata, S. Tojou, Y. Nakazato, M. Tsukada, S. Okabe & K. Sakai
  • Organizer: Neuro 2007
  • Place of Presentation: 横浜市
• [Presentation] Figure/ground segregation in natural images based on surround modulation in early vision. (2007)
  • Author(s): S. Watanabe, H. Nishimura & K. Sakai
  • Organizer: Neuro 2007
  • Place of Presentation: 横浜市
• [Presentation] Characteristics of surround modulation and stimulus shape for consistent determination of border ownership. (2007)
  • Author(s): H. Nishimura, Y. Tsuji & K. Sakai
  • Organizer: Neuro 2007
  • Place of Presentation: 横浜市
• [Presentation] A crucial role of surrounding modulation for border-ownership determination. (2007)
  • Author(s): H. Nishimura, S. Watanabe & K. Sakai
  • Organizer: European Conference on Vision and Perception
  • Place of Presentation: Arezzo, Italy
• [Presentation] 陰影からの奥行き-色相変化による影響 (2007)
  • Author(s): 成島和樹、酒井 宏
  • Organizer: 日本視覚学会 夏季大会
  • Place of Presentation: 豊橋市
• [Presentation] 図方向選択性細胞の同期発火による中心軸表現 (2007)
  • Author(s): 羽鳥康裕、酒井 宏
  • Organizer: 日本視覚学会 夏季大会
  • Place of Presentation: 豊橋市
• [Book] 感覚・知覚の科学(内川恵二(編))(5巻3章) (2008)
  • Author(s): 酒井宏, 永井岳大, 杉原忠
  • Publisher: 朝倉書店
• [Book] 測定・解析理論,感覚・知覚の科学(5巻3章),内川恵二編 (2008)
  • Author(s): 酒井宏、永井岳大、杉原忠
  • Total Pages: 224
  • Publisher: 朝倉書店
• [Remarks]
  • URL: http://www.cvs.cs.tsukuba.ac.jp
• [Remarks]
  • URL: http://www.cvs.cs.tsukuba.ac.jp