Japanese / English (with JavaScript)
Ryuuki SAKAMOTO
坂本竜基
Ryuuki SAKAMOTO (how to pronounce?)
和歌山大学 システム工学部 情報通信システム学科 講師
Assistant Professor, Department of Computer and Communication Sciences, Faculty of Systems Engineering, Wakayama Univ.
株式会社国際電気通信基礎技術研究所（ATR）知能ロボティクス研究所 客員研究員
Visiting Researcher, ATR Intelligent Robotics Laboratories

Videos

Publications list

論文誌 Journal papers

  1. 坂本 竜基, 角 康之, 中尾 恵子, 間瀬 健二, 國藤 進, “コミックダイアリ：漫画表現を利用した経験や興味の伝達支援,” 情報処理学会論文誌, vol.43, no.12, pp.3582-3595, 2002.
  2. 坂本 竜基, 國藤 進, “創造的なWebの利用を支援する協調的Webブラウジングシステム,” 日本創造学会論文誌, vol.6, pp.99-113, 2002.
  3. 坂本 竜基, 田中 郁, 小暮 潔, “漫画表現用知的トランスコーダを用いた人間関係ネットワークのブラウジング環境,” 情報処理学会論文誌, vol.48, no.1, pp.72-84, 2007.
  4. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama and Kiyoshi Kogure, “Robust foreground extraction technique using background subtraction with multiple thresholds,” SPIE, Optical Engineering, vol.46, no.097004, 2007.
  5. Ryuuki Sakamoto, Itaru Kitahara, Megumu Tsuchikawa, Kaoru Tanaka, Tomoji Toriyama and Kiyoshi Kogure, “Applicability of camera works to free viewpoint videos with annotation and planning,” IEICE Trans. INF.&SYST, vol.E90-D, no.10, pp.1637-1648, 2007.
  6. Ryuuki Sakamoto, Yasuyuki Sumi and Kiyoshi Kogure, “Hyperlinked Comic Strips For Sharing Personal Contexts,” International Journal of Information Technology & Decision Making, vol.6, no.3, pp.443-458, 2007.
  7. 松岡 有希, 坂本 竜基, 伊藤 禎宣, 大向 一輝, 武田 英明, 小暮 潔, “マーキングを用いたソーシャルタギングの有効性に関する検証,” 情報処理学会論文誌, vol.48, no.12, pp.3882-3892, 2007.
  8. 坂本 竜基, 伊藤 禎宣, 中田 豊久, 鳥山 朋二, 小暮 潔, “ログデータの二次的利用に向けたWeb文章へのマーキングシステムとフォークソノミーへの応用,” 日本創造学会論文誌, vol.11, pp.133-150, 2007.
  9. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama, and Kiyoshi Kogure, “Background Subtraction using Generalized Gaussian Family Model,” IET Electronics Letters, vol.48, Issue 3, pp.189-190, 2008.
  10. Neal Orman, Hansung Kim, Ryuuki Sakamoto, Tomoji Toriyama, Kiyoshi Kogure and Robert Linderman, “GPU-Based Optimization of a Free-Viewpoint Video System,” Electronic Letters on Computer Vision and Image Analysis, vol.7, no.2, pp.120-133, 2008.
  11. 坂本 竜基, 金 韓成, 伊藤 禎宣, 鳥山 朋二, 北原 格, 小暮 潔, “全方位カメラによる会議撮影システムが意思決定の非同期的伝達に及ぼす影響の評価,” 情報処理学会論文誌, vol.50, no.1, pp.289-301, 2009.
  12. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama and Kiyoshi Kogure, “Toward Cinematizing Our Daily Lives,” Springer International Journal on Multimedia Tools and Applications , vol.44, No.1, pp.87-110, 2009.
  13. 坂本 竜基, 宮田 慎也, “会議支援用Visual Hullにおける顔部分の一貫性を確保するテクスチャリング手法,” 情報処理学会論文誌, vol.52, no.1, pp.68-76, 2011.

国際会議 Refereed international conferences

  1. Ryuuki Sakamoto and Susumu Kunifuji, “Collaborative World Wide Web Browsing System through Supplement of Awareness,” Proceedings of the KES'2000, vol.1, pp.233-236, 2000.
  2. Ryuuki Sakamoto，Keiko Nakao, Yasuyuki Sumi and Kenji Mase, “ComicDiary: Representing Individual Experiences in Comics Style,” SIGGRAPH2001 Sketches and Applications, pp.158, 2001.
  3. Ryuuki Sakamoto and Susumu Kunifuji, “A Visualization of Users' Contexts on Proxy Server,” 15th annual conferences of JSAI international session (2001), 2001.
  4. Yasuyuki Sumi, Ryuuki Sakamoto, Keiko Nakao and Kenji Mase, “ComicDiary: Representing individual experiences in a comics style,” Ubicomp 2002, pp.16-32, 2002.
  5. Ryuuki Sakamoto, Itaru Kitahara, Mika Satomi, Kaoru Tanaka and Kiyoshi Kogure, “Cinematized Reality: Cinematographic Camera Control in 3D Videos,” SIGGRAPH2005 Sketches, 2005.
  6. Ryuuki Sakamoto and Kiyoshi Kogure, “Creating Comics as an Interface,” The Sino-Japan Workshop on Meta-synthesis and Creativity Support System, 2005.
  7. Itaru Kitahara, Ryuuki Sakamoto, Mika Satomi, Kaoru Tanaka and Kiyoshi Kogure, “Cinematized Reality: Cinematographic Camera Controlling 3D Free-Viewpoint Video,” 2nd IEE European Conference on Visual Media Production (CVMP2005), pp.154-161, 2005.
  8. Itaru Kitahara, Ryuuki Sakamoto, Megumu Tsuchikawa, Mika Satomi, Kaoru Tanaka and Kiyoshi Kogure, “Cinematized Reality: Displaying Daily Life in Cinematographic 3D Videos,” Workshop on Knowledge Sharing for Everyday Life (KSEL06), pp.67-74, 2006.
  9. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara and Kiyoshi Kogure, “An Immersive Free Viewpoint Video System Using Multiple Outer/Inner Cameras,” 3rd International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT 2006), pp.782 - 789, 2006.
  10. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara and Kiyoshi Kogure, “Cinematographic 3D Video System for Daily Life Using Multiple Outer/Inner Cameras,” IEEE Workshop on Three-Dimensional Cinematography (3DCINE'06), pp.168, 2006.
  11. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara and Kiyoshi Kogure, “From Inside and Outside: Immersive 3D Video Generation,” ACM Siggraph 2006 Research Poster, 2006.
  12. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama and Kiyoshi Kogure, “Robust Foreground Segmentation from Color Video Sequences Using Background Subtraction with Multiple Thresholds,” 1st Korea-Japan workshop on Pattern Recognition(KJPR2006), pp..188-193, 2006.
  13. Yuki Matsuoka, Ryuuki Sakamoto, Sadanori Ito, Hideaki Takeda and Kiyoshi Kogure, “Social tagging using marked strings in web pages,” Proceedings of the 1st Semantic Authoring and Annotation Workshop (SAAW2006) located at the 5th International Semantic Web Conference (ISWC 2006), CEUR Workshop Proceedings Vol-209, 2006.
  14. Yuki Matsuoka, Ryuuki Sakamoto, Sadanori Ito, Hideaki Takeda and Kiyoshi Kogure, “Aikuchi: Marking-based Social Navigation System,” in Proceedings of International Conference on Weblogs and Social Media, pp.289-290, 2007.
  15. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama, Kiyoshi Kogure, “VITUAL CAMERA CONTROL SYSTEM FOR CINEMATOGRAPHIC 3D VIDEO RENDERING,” 3DTV-CONFERENCE, pp.1-4, 2007.
  16. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama and Kiyoshi Kogure, “3D video system for capturing unexpected moments in daily life,” Proc. Optics East, SPIE, 6778, 2007.
  17. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama and Kiyoshi Kogure, “Reliability-Based 3D Reconstruction in Real Environment,” Proc. ACM Multimedia 2007, pp.257-260, 2007.
  18. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama and Kiyoshi Kogure, “Robust Foreground Extraction Technique Using Gaussian Family Model and Multiple Thresholds,” 8th Asian Conference on Computer Vision(ACCV 2007), Springer, vol.4843, pp.758-768, 2007.
  19. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama and Kiyoshi Kogure, “Compensated Visual Hull for Defective Segmentation and Occlusion,” 17th International Conference on Artificial Reality and Telexistence(ICAT 2007), pp.210-217, 2007.
  20. Neal Orman, Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama and Kiyoshi Kogure, “Free-Viewpoint Video System Optimization Using a GPU,” Symposium on Interactive 3D Graphics and Games(i3D 2008), 2008.(Best Student Poster Awards)
  21. Aya Isshiki, Ryuuki Sakamoto, Itaru Kitahara, Kiyoshi Kogure and Kazuki Joe, “A Room Modeling Method for 3D Video,” The 2008 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'08), pp.751-757, 2008.
  22. Makoto Ohashi, Junko Ito, Ryuuki Sakamoto and Jun Munemori, “Proposal of a Creativity Support System Using Direct Manipulation on a Tabletop Interface,” International Conference on Knowledge, Information and Creativity Support Systems (KICSS2008), pp.200-205, 2008.
  23. Hansung Kim, Ryuuki Sakamoto, Itaru Kitahara, Tomoji Toriyama and Kiyoshi Kogure, “Compensated Visual Hull with GPU-Based Optimization,” Pacific-Rim Conference on Multimedia (PCM2008), pp.573-582, 2008.
  24. Kosuke Takeda and Ryuuki Sakamoto, “Diminished Reality for Landscape Video Sequences with Homographies,” Knowledge-Based and Intelligent Information and Engineering Systems Lecture Notes in Computer Science, Volume 6278/2010, pp.501-508, 2010.
  25. Jun Munemori, Takuya Minamoto, Junko Itou and Ryuki Sakamoto, “Pictograph Communication using Tabletop Interface,” IWIN (International Workshop on Informatics) 2010, 2010.
  26. Tsukasa Mizumata and Ryuuki Sakamoto, “A Pinch Up Gesture on Multi-Touch Table with Hover Detection,” ACM SIGGRAPH ASIA 2010 Posters, p.27, 2010.

受賞 Awards

  1. 平成14 第15回人工知能学会全国大会ベストプレゼンテーション賞
  2. 平成17 情報処理推進機構 未踏ソフトウェア創造事業 天才プログラマー/スーパークリエーター

Valid XHTML 1.0 Transitional