Publication List

Limited to Journal articles and international publications
See the full list of publications and presentations in Japanese page

Journal Article (Peer Reviewed)

  1. Ryo Ishii, Kazuhiro Otsuka, Ryuichiro Higashinaka, Yushi Aono, “Estimation of Personal Empathy Skill Level Using Dialogue Act and Eye-gaze during Turn-keeping/changing,” Transactions on Information Pr0cessing Society of Japan, Vol. 62, No.1, pp. 100-114, January, 2021 (In Japanese)
  2. Kazuhiro Otsuka, Masahiro Tsumori, “Analyzing Multifunctionality of Head Movements in Face-to-Face Conversations Using Deep Convolutional Neural Networks,” IEEE Access, Vol.8, pp. 217169-217195, doi: 10.1109/ACCESS.2020.3041672, 2020
  3. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Ryuichiro Higashinaka, Junji Tomita, “Prediction of Who Will Be Next Speaker and When Using Mouth-Opening Pattern in Multi-Party Conversation,” Multimodal Technologies and Interaction, Vol. 3, No. 4, p. 70, October 2019
  4. Ryo Ishii, Shiro Kumano, and Kazuhiro Otsuka, “Estimating Empathy Skill Level using Gaze behavior depending on participant-role during turn-changing/keeping,” Transaction of Human Interface Society，Vol. 20, No. 4, p. 447-456, November 2018 (In Japanese)
  5. Layla Chadaporn Antaket, Masafumi Matsuda, Kazuhiro Otsuka, and Shiro Kumano, “Analyzing Generation and Cognition of Emotional Congruence using Empathizing-Systemizing Quotient,” International Journal of Affective Engineering, Vol.17 No.3, pages: IJAE-D-18-00001, 2018
  6. Kazuhiro Otsuka, “Behavioral Analysis of Kinetic Telepresence for Small Symmetric Group-to-Group Meetings,” IEEE Transactions on Multimedia, Volume 20, Issue 6, pp. 1432-1447, June 2018
  7. Shiro Kumano, Kazuhiro Otsuka, Ryo Ishii, Junji Yamato, “Collective First-Person Vision for Automatic Gaze Analysis in Multiparty Conversations,” IEEE Transactions on Multimedia, Volume 19, Issue 1, pp. 107-122, January, 2017
  8. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato, “Prediction of “Who Will Be Next Speaker and When” using Gaze Behavior in Multi-Party Meetings,” ACM Transaction on Interactive Intelligent Systems, Volume 6, Issue 1, Article No. 4, May 2016
  9. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato, “Predicting Next Speaker Based on Head Movement in Multi-party Meetings,” IPSJ Journal, Vol. 57, No. 4, pp. 1116-1127, 15 April 2016 (In Japanese)
  10. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato, “Using Respiration to Predict Who Will Speak Next and When in Multiparty Meetings,” ACM Transaction on Interactive Intelligent Systems, Volume 6, Issue 2, Article No. 20, pp. 20:1-20:20, August 2016
  11. Shiro Kumano, Kazuhiro Otsuka, Dan Mikami, Masafumi Matsuda, and Junji Yamato, “Analyzing Interpersonal Empathy via Collective Impressions,” IEEE Transactions on Affective Computing, Vol. 6, Issue 4, pp. 324-336, 27 March 2015
  12. Ryo Ishii, Shiro Ozawa, Akira Kojima, Kazuhiro Otsuka, Yukiko Nakano, Yuuki Hayashi, “Design and Evaluation of Mirror Interface MIOSS to Overlay Remote 3D Spaces,” Transactions of Human Interface Society, Vol.17, No.3, pp. 255-264, 25 August 2015 (In Japanese)
  13. Dairazalia Sanchez-Cortes, Shiro Kumano, Kazuhiro Otsuka, and Daniel Gatica-Perez, “In the Mood for Vlog: Multimodal Inference in Conversational Social Video,” ACM Transactions on Interactive Intelligent Systems (Tiis), Volume 5 Issue 2, Article No. 9, July 2015
  14. Shiro Kumano, Kazuhiro Otsuka, Masafumi Matsuda, and Junji Yamato, “Analyzing Perceived Empathy based on Reaction Time in Behavioral Mimicry,” IEICE Transactions on Information and Systems, Vol. E97-D, No. 8, pp. 2008-2020, 01 August 2014
  15. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Masafumi Matsuda, Junji Yamato, “Predicting Next Speaker and Timing from Gaze Transition Patterns in Multi-Party Meeting,” IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. J97- A，No.6，pp.453-468, 01 June 2014 (In Japanese)
  16. Masafumi Matsuda, Ikuo Daibo, Shiro Kumano, Kazuhiro Otsuka, Junji Yamato, “An exploratory study of proxemics and impression formation among video communication users,” Transactions of Human Interface Society, Vol. 15, No. 4, pp. 433-442, 25 November 2013 (In Japanese)
  17. Kazuhiro Otsuka, Shiro Kumano, Masafumi Matsuda, Junji Yamato, “MM-Space: Re-creating Multiparty Conversation Space Based on Physically Augmented Head Motion,” IPSJ Journal, Vol. 54, No. 4, pp. 1450-1461, 14 April 2013 (In Japanese)
  18. Takaaki Hori, Shoko Araki, Takuya Yoshioka, Masakiyo Fujimoto, Shinji Watanabe, Takanobu Oba, Atsunori Ogawa, Kazuhiro Otsuka, Dan Mikami, Keisuke Kinoshita, Tomohiro Nakatani, Atsushi Nakamura, Junji Yamato, “Low-Latency Real-Time Meeting Recognition and Understanding Using Distant Microphones and Omni-Directional Camera,” IEEE Transactions on Audio, Speech & Language Processing, Vol. 20, Issue 2, pp. 499-513, February 2012
  19. Dan Mikami, Kazuhiro Otsuka, Shiro Kumano, Junji Yamato, “Enhancing Memory-Based Particle Filter with Detection-Based Memory Acquisition for Robustness under Severe Occlusion,” IEICE Transactions on Information and Systems, Vol. 95-D, No. 11, pp. 2693-2703 01 November 2012
  20. Mayumi Bono, Kouhei Kikuchi, Kazuhiro Otsuka, “An Analysis of the Continuity of Modality in Sign Language Conversation,” (<Special Issue>Multimodal Interaction Analysis」，Japanese Journal of Language in Society, Vol. 14, No. 1, pp. 126-140, 30 September, 2011 (In Japanese)
  21. Dan Mikami, Kazuhiro Otsuka, Junji Yamato, “Memory-Based Particle Filter for Tracking Objects with Large Variation in Pose and Appearance,” IEICE Transactions on Information and Systems, Vol. J94-D, No. 8, pp. 1194-1205, 01 August 2011 (In Japanese)
  22. Dan Mikami, Kazuhiro Otsuka, Junji Yamato, “Memory-Based Particle Filter: Robust Visual Tracking Based on Prior Prediction Using Past State History,” IEICE Transactions on Information and Systems, Vol. J93-D, No. 8, pp. 1313-1328, 01 August, 2010 (In Japanese)
  23. Shiro Kumano, Kazuhiro Otsuka, Junji Yamato, Eisaku Maeda, and Yoichi Sato, “Pose-Invariant Facial Expression Recognition Using Variable-Intensity Templates,” International Journal of Computer Vision, Vol. 83, Issue 2, pp.178-194, June 2009
  24. Shiro Kumano, Kazuhiro Otsuka, Junji Yamato, Eisaku Maeda, Yoichi Sato, “Simultaneous Estimation of Facial Pose and Expression by Combining Particle Filter with Gradient Method,” IEICE Transactions on Information and Systems, Vol. J92-D, No. 8, pp. 1349-1362, 01 August 2009 (In Japanese)
  25. Oscar Mateo Lozano and Kazuhiro Otsuka, “Real-time Visual Tracker by Stream Processing: Simultaneous and Fast 3D Tracking of Multiple Faces in Video Sequences by Using a Particle Filter,” Journal of VLSI Signal Processing Systems, Vol. 57, Issue 2, pp. 285-295, November 2009
  26. Shiro Kumano, Kazuhiro Otsuka, Junji Yamato, Eisaku Maeda, Yoichi Sato, “Simultaneous Estimation of Facial Pose and Expression Using Variable-intensity Template,” IPSJ Transaction on Computer Vision and Image Media, Vol. 1, No. 2, pp. 50-62, 24 July 2008  (In Japanese)
  27. Kazuhiro Otsuka, Yoshinao Takemae, Junji Yamato, Hiroshi Murase, “A Probabilistic Inference of Multiparty-conversation Structure Based on Markov-switching Models,” IPSJ Journal, Vol. 47, No. 7, pp. 2317-2334, 15 July 2006  (In Japanese)
  28. Yoshinao Takemae, Kazuhiro Otsuka, Junji Yamato, and Shinji Ozawa, “The Subjective Evaluation Experiments of an Automatic Video Editing System Using Vision-based Head Tracking for Multiparty Conversations,” IEEJ Trans. Electronics, Information and Systems, Vol. 126-C, No. 4, pp. 435-442, 01 July 2006
  29. Yoshinao Takemae, Kazuhiro Otsuka, Naoki Mukawa, “Effectiveness of Video Editing Based on Participants’ Gaze for Multiparty Conversation in Face-to-face Situations,” IPSJ Journal, Vol. 46, No. 7, pp. 1752-1767, 15 July, 2005 (In Japanese)
  30. Kazuhiro Otsuka, Naoki Mukawa, “Mutual Occlusion Analysis and Sequential State Estimation of Multiple Objects Based on Multi – View Observation,” IPSJ Transaction on Computer Vision and Image Media, Vol. 44(SIG_17(CVIM_8)), pp.109-125, 15 December 2003 (In Japanese)
  31. Kazuhiro Otsuka, Tsutomu Horikoshi, Haruhiko Kojima, Satoshi Suzuki, “Image Sequence Retrieval for Forecasting Weather Radar Echo Pattern,” IEICE Transactions on Information and Systems, Vol. E83-D, No. 7, pp. 1458-1465, 25 July 2000
  32. Kazuhiro Otsuka, Tsutomu Horikoshi, Fumio Adachi, Noboru Sonehara, Satoshi Suzuki, “Temporal Texture Analysis Based on Motion Trajectory in Spatiotemporal Space,” IPSJ Journal, Vol. 40, No. 8, pp. 3155-3168, 15 August 1999 (In Japanese)
  33. Kazuhiro Otsuka, Keihiro Ochiai, Satoshi Suzuki, Tsutomu Horikoshi, Toshinori Oda, Michihiro Inagaki, “Short – time Local Precipitation Nowcasting System: My Weather,” IPSJ Jounral, Vol. 40, No. 3, pp. 1117-1126, 15 March 1999  (In Japanese)
  34. Kazuhiro Otsuka, Tsutomu Horikoshi, Fumio Adachi, Keihiro Ochiai, Satoshi Suzuki, “Optical Flow Estimation from Image Motion Trajectory in spatiotemporal Space,” IEICE Transactions on Information and Systems, Vol. J81-D-2, No. 9, pp. 2061-2073, 25 September 1998 (In Japanese)
  35. Atsushi Seto, Kazuhiro Otsuka, Rokuya Ishii, “Restoration Method of Degraded Images with Neural Network,” IEICE Transactions on Information and Systems, Vol. J80-D-2, No. 5, pp. 1276-1285, 25 May 1997 (In Japanese)

Conference Paper (Peer Reviewed)

  1. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Ryuichiro Higashinaka, Junji Tomita, “Estimating Interpersonal Reactivity Scores Using Gaze Behavior and Dialogue Act During Turn-Changing,” in Proceedings of Internatioal Conference on Human-Computer Interaction (HCI International 2019), pp. 45-53, July 2019.
  2. Daniel Gatica-Perez, Dairazalia Sanchez-Cortes, Trinh-Minh-Tri Do, Dinesh Babu Jayagopi and Kazuhiro Otsuka, “Vlogging Over Time: Longitudinal Impressions and Behavior in YouTube,” in Proceedings of 17th International Conference on Mobile and Ubiquitous Multimedia (MUM2018), November 2018.
  3. Kazuhiro Otsuka, Keisuke Kasuga, and Martina Köhler, “Estimating Visual Focus of Attention in Multiparty Meetings using Deep Convolutional Neural Networks,” in Proceedings of 20th ACM International Conference on Multimodal Interaction (ICMI2018), pp. 191-199, October 2018【Oral Long Paper: 採択率：15.4%】
  4. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Ryuichiro Higashinaka, and Junji Tomita, “Analyzing Gaze Behavior and Dialogue Act during Turn-taking for Estimating Empathy Skill Level,” in Proceedings of 20th ACM International Conference on Multimodal Interaction (ICMI2018), pp. 31-39, October 2018 【Oral Long Paper: 採択率：15.4%】
  5. Ryo Ishii, Shiro Kumano, and Kazuhiro Otsuka, “Analyzing Gaze Behavior during Turn-taking for Estimating Empathy Skill Level,” in Proceedings of 19th ACM International Conference on Multimodal Interaction (ICMI2017), pp. 365-373, November 2017
  6. Shiro Kumano, Ryo Ishii, and Kazuhiro Otsuka, “Comparing Empathy Perceived by Interlocutors in Multiparty Conversation and External Observers,” in Proceedings of International Conference on Affective Computing and Intelligent Interaction (ACII2017), pp. 50-57, October 2017
  7. Shiro Kumano, Ryo Ishii, and Kazuhiro Otsuka, “Computational Model of Idiosyncratic Perception of Others’ Emotions,” in Proceedings of International Conference on Affective Computing and Intelligent Interaction (ACII2017), pp. 42-49, October 2017
  8. Ryo Ishii, Shiro Kumano, and Kazuhiro Otsuka, “Prediction of Next-Utterance Timing using Head Movement in Multi-Party Meetings,” in Proceedings of 5th International Conference on Human Agent Interaction (HAI2017), pp. 181-187, October 2017
  9. Shogo Okada and Kazuhiro Otsuka, “Recognizing Words from Gestures: Discovering Gesture Descriptors Associated with Spoken Utterances,” in Proceedings of 12th IEEE International Conference on Automatic Face and Gesture Recognition (FG2017), pp. 430-437, May 2017
  10. Kazuhiro Otsuka, “MMSpace: Multimodal Meeting Space Embodied by Kinetic Telepresence,” in Proceedings of the 2017 CHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA 2017), p. 458, May 2017【ビデオセッション】
  11. Ryo Ishii, Shiro Kumano, and Kazuhiro Otsuka, “Analyzing Mouth-opening Transition Pattern for Predicting Next Speaker in Multi-party Meetings,” in Proceedings of International Conference on Multimodal Interaction (ICMI2016), pp. 209-216, November 2016
  12. Kazuhiro Otsuka, “MMSpace: Kinetically-Augmented Telepresence for Small Group-to-Group Conversations,” in Proceedings of IEEE Virtual Reality 2016 (VR2016), pp. 19-28, March 2016【Oral Presentation, Acceptance Ratio=25.9%】
  13. Ryo Ishii, Shiro Kumano, and Kazuhiro Otsuka, “Multimodal Fusion using Respiration and Gaze for Predicting Next Speaker Based in Multi-Party Meetings,” in Proceedings of International Conference on Multimodal Interaction (ICMI2015), pp. 99-106, November 2015
  14. Ryo Ishii, Shiro Ozawa, Akira Kojima, Kazuhiro Otsuka, Yuki Hayashi, and Yukiko Nakano, “Design and Evaluation of Mirror Interface MIOSS to Overlay Remote 3D Spaces,” IFIP TC.13 International Conference on Human-Computer Interaction (INTERACT2015), pp. 319-326, September 2015
  15. Shiro Kumano, Kazuhiro Otsuka, Ryo Ishii, and Junji Yamato, “Automatic Gaze Analysis in Multiparty Conversations based on Collective First-Person Vision,” in Proceedings of International Workshop on Emotion Representation, Analysis and Synthesis in Continuous Time and Space (EmoSPACE2015) in conjunction with 2015 11th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition (FG2015), pp. 1-8, vol. 5, May 2015
  16. Ryo Ishii, Shiro Kumano, and Kazuhiro Otsuka, “Predicting Next Speaker Based on Head Movement in Multi-Party Meetings,” in Proceedings of International Conference on Acoustics, Speech and Signal Processing (ICASSP2015), pp. 2319-2323, April 2015
  17. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, and Junji Yamato, “Analysis of Respiration for Prediction of “Who Will Be Next Speaker and When?” in Multi-Party Meetings,” in Proceedings of International Conference on Multimodal Interaction (ICMI2014), pp. 18-25, November 2014 【Outstanding Paper Award受賞】
  18. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, and Junji Yamato, “Analysis of Timing Structure of Eye Contact in Turn-changing,” in Proceedings of Workshop on Eye Gaze in Intelligent Human Machine Interaction: Eye-Gaze and Multimodality (GazeIn2014), pp. 15-20, November 2014
  19. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, and Junji Yamato, “Analysis and Modeling of Next Speaking Start Timing in Multi-party Meetings,” in Proceedings of International Conference on Acoustics, Speech and Signal Processing (ICASSP2014), pp. 694-698, May 2014
  20. Dairazalia Sanchez-Cortes, Joan-Isaac Biel, Shiro Kumano, and Junji Yamato, Kazuhiro Otsuka, Daniel Gatica-Perez, “Inferring Mood in Ubiquitous Conversational Video,” in Proceedings of 12th International Conference on Mobile and Ubiquitous Multimedia (MUM2013), December 2013
  21. Kazuhiro Otsuka, Shiro Kumano, Ryo Ishii, Maja Zbogar, and Junji Yamato, “MM+Space: N×4 Degree-of-Freedom Kinetic Display for Recreating Multiparty Conversation Spaces,” in Proceedings of ACM International Conference on Multimodal Interfaces (ICMI2013), pp. 389-396, December 2013
  22. Ryo Ishii, Kazuhiro Otsuka, Shiro Kumano, Masafumi Matsuda, and Junji Yamato, “Predicting Next Speaker and Timing from Gaze Transition Patterns in Multi-Party Meetings,” in Proceedings of ACM International Conference on Multimodal Interfaces (ICMI2013), pp. 79-86, December 2013
  23. Shiro Kumano, Kazuhiro Otsuka, Masafumi Matsuda, Ryo Ishii, and Junji Yamato, “Using A Probabilistic Topic Model to Link Observers’ Perception Tendency to Personality,” in Proceedings of Humaine Association Conference on Affective Computing and Intelligent Interaction (ACII2013), pp. 588-593, December 2013
  24. Shiro Kumano, Kazuhiro Otsuka, Masafumi Matsuda, and Junji Yamato, “Analyzing Perceived Empathy/Antipathy based on Reaction Time in Behavioral Coordination,” in Proceedings of International Workshop on Emotion Representation, Analysis and Synthesis in Continuous Time and Space (EmoSPACE) In conjunction with the IEEE Conference on Automatic Face and Gesture Recognition (FG2013), April 2013
  25. Dinesh Babu Jayagopi, Dairazalia Sanchez-Cortes, Kazuhiro Otsuka, Junji Yamato, and Daniel Gatica-Perez, “Linking Speaking and Looking Behavior Patterns with Group Composition, Perception, and Performance,” in Proceedings of the 14th ACM international conference on Multimodal interaction (ICMI2012), pp. 433-440, October 2012【Outstanding Paper Award受賞】
  26. Kazuhiro Otsuka, Shiro Kumano, Dan Mikami, Masafumi Matsuda, and Junji Yamato, “Reconstructing Multiparty Conversation Field by Augmenting Human Head Motions via Dynamic Displays,” in Proceedings of the 2012 ACM Annual Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA 2012), pp. 2243-2248, May 2012[
  27. Shiro Kumano, Kazuhiro Otsuka, Dan Mikami, Masafumi Matsuda, and Junji Yamato, “Understanding Communicative Emotions from Collective External Observations,” in Proceedings of the 2012 ACM Annual Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA 2012), pp. 2201-2206, May 2012
  28. Kazuhiro Otsuka, Kamil Sebastian Mucha, Shiro Kumano, Dan Mikami, Masafumi Matsuda, and Junji Yamato, “A System for Reconstructing Multiparty Conversation Field based on Augmented Head Motion by Dynamic Projection,” in Proceedings of the 19th ACM International Conference on Multimedia (MM2011), pp. 763-764, November 2011
  29. Lumei Su, Shiro Kumano, Kazuhiko Otsuka, Dan Mikami, Junji Yamato, and Yoichi Sato, “Early Facial Expression Recognition with High-frame Rate 3D Sensing,” in Proceedings of 2011 IEEE International Conference on Systems, Man, and Cybernetics (SMC2011), pp. 3304-3310, October 2011
  30. Takaaki Hori, Takuya Yoshioka, Masakiyo Fujimoto, Shinji Watanabe, Takanobu Oba, Atsunori Ogawa, Kazuhiro Otsuka, Dan Mikami, Marc Delcroix,　 Keisuke Kinoshita,　 Tomohiro Nakatani, Atsushi Nakamura, and Junji Yamato, “Low-Latency Meeting Recognition and Understanding using Distant Microphones,” in Proceedings of 2011 Joint Workshop on Hands-free Speech Communication and Microphone Arrays (HSCMA2011), pp. 151-152, May-June 2011 
  31. Shiro Kumano, Kazuhiro Otsuka, Dan Mikami, and Junji Yamato, “Analyzing Empathetic Interactions based on the Probabilistic Modeling of the Co-occurrence Patterns of Facial Expressions in Group Meetings,” in Proceedings of 2011 IEEE International Conference on Automatic Face and Gesture Recognition (FG2011), pp. 43-50, March 2011
  32. Takaaki Hori, Shoko Araki, Takuya Yoshioka, Masakiyo Fujimoto, Shinji Watanabe, Takanobu Oba, Atsunori Ogawa, Kazuhiro Otsuka, Dan Mikami, Keisuke Kinoshita, Tomohiro Nakatani, Atsushi Nakamura, and Junji Yamato, “Real-time Meeting Recognition and Understanding Using Distant Microphones and Omni-directional Camera,” in Proceedings of Spoken Language Technology Workshop (IEEE-SLT2010), pp. 424-429, December 2010
  33. Sebastian Gorga and Kazuhiro Otsuka, “Conversation Scene Analysis based on Dynamic Bayesian Network and Image-based Gaze Detection,” in Proceeding of the 12th International Conference on Multimodal Interfaces and 7th Workshop on Machine Learning for Multimodal Interaction (ICMI-MLMI2010), Article No. 54, pp. 54:1-54:8, November 2010
  34. Shiro Kumano, Kazuhiro Otsuka, Dan Mikami, and Junji Yamato, “Recognizing Communicative Facial Expressions for Discovering Interpersonal Emotions in Group Meetings,” in Proceedings of ACM International Conference on Multimodal Interfaces (ICMI-MLMI2009), pp. 99-106, November 2009
  35. Kentaro Ishizuka, Shoko Araki, Kazuhiro Otsuka, Tomohiro Nakatani, and Masakiyo Fujimoto, “A Speaker Diarization Method based on the Probabilistic Fusion of Audio-Visual Location Information,” in Proceedings of ACM International Conference on Multimodal Interfaces (ICMI-MLMI2009), pp. 55-62, November 2009
  36. Kazuhiro Otsuka, Shoko Araki, Dan Mikami, Kentaro Ishizuka, Masakiyo Fujimoto, and Junji Yamato, “Realtime Meeting Analysis and 3D Meeting Viewer Based on Omnidirectional Multimodal Sensors,” in Proceedings of ACM International Conference on Multimodal Interfaces (ICMI-MLMI2009), pp. 219-220, November 2009
  37. Dan Mikami, Kazuhiro Otsuka, and Junji Yamato, “Memory-based Particle Filter for Face Pose Tracking Robust under Complex Dynamics,” in Proceedings of IEEE Conference on Computer Vision and Pattern Recognition 2009 (CVPR2009), pp. 999-1006, June 2009【Oral Presentation, Acceptance Ratio=4.1%】
  38. Kazuhiro Otsuka, Shoko Araki, Kentaro Ishizuka, Masakiyo Fujimoto, Martin Heinrich, and Junji Yamato, “A Realtime Multimodal System for Analyzing Group Meetings by Combining Face Pose Tracking and Speaker Diarization,” in Proceedings of ACM 10th Int. Conf. Multimodal Interfaces (ICMI2008), pp. 257-264, October 2008
  39. Kazuhiro Otsuka and Junji Yamato, “Fast and Robust Face Tracking for Analyzing Multiparty Face-to-Face Meetings,” in Proceedings of 5th Joint Workshop on Machine Learning and Multimodal Interaction (MLMI2008), Lecture Notes in Computer Science, Vol. 5237, pp. 14-25, September 2008
  40. Shiro Kumano, Kazuhiro Otsuka, Junji Yamato, Eisaku Maeda, and Yoichi Sato, “Combining Stochastic and Deterministic Search for Pose-Invariant Facial Expression Recognition,” in Proceedings of British Machine Vision Conference (BMVC2008), pp. 66.1-66.10, September 2008
  41. Oscar Mateo Lozano and Kazuhiro Otsuka, “Simultaneous and Fast 3D Tracking of Multiple Faces in Video by GPU-based Stream Processing,” in Proceedings of the 33rd International Conference on Acoustics, Speech, and Signal Processing (ICASSP2008), pp.713-716, May 2008
  42. Shiro Kumano, Kazuhiro Otsuka, Junji Yamato, Eisaku Maeda, and Yoichi Sato, “Pose-Invariant Facial Expression Recognition Using Variable-Intensity Templates,” in Proceedings of Asian Conference on Computer Vision (ACCV2007), Vol. I, pp. 324-334, Lecture Notes in Computer Science (LNCS) Volume 4843, November 2007 【Honorable Mention】
  43. Kazuhiro Otsuka, Hiroshi Sawada, and Junji Yamato, “Automatic Inference of Cross-modal Nonverbal Interactions in Multiparty Conversations,” in Proceedings of ACM 9th International Conference on Multimodal Interfaces (ICMI2007), pp. 255-262, November 2007 【Outstanding Paper Award】
  44. Kazuhiro Otsuka, Junji Yamato, Yoshinao Takemae, and Hiroshi Murase, “Conversation Scene Analysis with Dynamic Bayesian Network Based on Visual Head Tracking,” in Proceedings of 2006 IEEE International Conference on Multimedia and Expo (ICME2006), pp. 949 -952, July 2006
  45. Kazuhiro Otsuka, Junji Yamato, Yoshinao Takemae, and Hiroshi Murase, “Quantifying Interpersonal Influence in Face-to-face Conversations based on Visual Attention Patterns,” in Proceedings of CHI 2006 Extended Abstracts on Human Factors in Computing Systems, pp.1175-1180, April 2006
  46. Kazuhiro Otsuka, Yoshinao Takemae, Junji Yamato, and Hiroshi Murase, “A Probabilistic Inference of Multiparty-Conversation Structure Based on Markov-Switching Models of Gaze Patterns, Head Directions, and Utterances,” in Proceedings of ACM International Conference on Multimodal Interfaces (ICMI2005), pp.191-198, October 2005
  47. Yoshinao Takemae, Kazuhiro Otsuka, and Junji Yamato, “Effects of Automatic Video Editing System Using Stereo-Based Head Tracking for Archiving Meetings,” in Proceedings of 2005 IEEE International Conference on Multimedia and Expo (ICME2005), pp. 185 -188, July 2005
  48. Yoshinao Takemae, Kazuhiro Otsuka, and Junji Yamato, “Development of Automatic Video Editing System Based on Stereo-Based Head Tracking for Archiving Meetings,” in Proceedings of The Third International Conference on Active Media Technology (AMT2005), p.269, May 2005
  49. Yoshinao Takemae, Kazuhiro Otsuka, and Junji Yamato “Automatic Video Editing System Using Stereo-Based Head Tracking for Multiparty Conversation,” in Proceedings of CHI 2005 Extended Abstracts on Human Factors in Computing Systems, pp.1817-1820, April 2005
  50. Kazuhiro Otsuka, Yoshinao Takemae, Junji Yamato, and Hiroshi Murase, “Probabilistic Inference of Gaze Patterns and Structure of Multiparty Conversations from Head Directions and Utterances,” in Proceedings of First International Workshop on Conversational Informatics, pp.7-12, March 2005
  51. Kazuhiro Otsuka and Naoki Mukawa, “A Particle Filter for Tracking Densely Populated Objects Based on Explicit Multiview Occlusion Analysis,” in Proceedings of International Conference on Pattern Recognition (ICPR2004), Volume 4, pp.23-26, August 2004
  52. Yoshinao Takemae, Kazuhiro Otsuka, and Naoki Mukawa, “An Analysis of Speakers’ Gaze Behavior for Automatic Addressee Identification in Multiparty Conversation and Its Application to Video Editing,” in Proceedings of IEEE International Workshop on Robot and Human Interactive Communication (IEEE/RO-MAN 2004), pp.581-586, September 2004
  53. Kazuhiro Otsuka and Naoki Mukawa, “Multiview Occlusion Analysis for Tracking Densely Populated Objects Based on 2-D Visual Angles,” in Proceedings of the 2004 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR2004), Volume 1, pp.90-97, June 2004
  54. Yoshinao Takemae, Kazuhiro Otsuka, and Naoki Mukawa, “Impact of Video Editing Based on Participants’ Gaze in Multiparty Conversation,” in Proceedings of CHI 2004 Extended Abstracts on Human Factors in Computing Systems, pp.1333-1336, April 2004
  55. Yoshinao Takemae, Kazuhiro Otsuka, and Naoki Mukawa, “Video Cut Editing Rule Based on Participants’ Gaze in Multiparty Conversation,” in Proceedings of ACM Multimedia 2003, pp.303-306, November 2003
  56. Kazuhiro Otsuka, Tsutomu Horikoshi, Satoshi Suzuki, and Haruhiko Kojima, “Memory-based Forecasting for Weather Image Patterns,” in Proceedings of 17th AAAI Conference on Artificial Intelligence (AAAI2000) (Austin), pp.330-336, July 2000
  57. Kazuhiro Otsuka, Tsutomu Horikoshi, Satoshi Suzuki, and Haruhiko Kojima, “Memory-based Forecasting of Complex Natural Patterns by Retrieving Similar Image Sequences,” in Proceedings of IAPR 10th. Int. Conf. Image Analysis and Processing (ICIAP1999), pp. 874-879, September 1999 【Best Paper Award受賞】
  58. Kazuhiro Otsuka, Tsutomu Horikoshi, Satoshi Suzuki, and Masaharu Fujii, “Local Precipitation Forecast based on Retrieval of Similar Echo Pattern in Radar Image Sequences,” in Proceedings of American Meteorological Society 15th Int. Conf. Interactive Information and Processing Systems for Meteorology, Oceanography, and Hydrology, pp.99-102, January 1999
  59. Kazuhiro Otsuka, Tsutomu Horikoshi, and Satoshi Suzuki, “Image Sequence Retrieval for Forecasting Weather Radar Echo Pattern,” in Proceedings of Machine Vision and Application (MVA1998), pp.238-241, November 1998
  60. Kazuhiro Otsuka, Tsutomu Horikoshi, Satoshi Suzuki, and Masaharu Fujii, “Feature Extraction of Temporal Texture Based on Spatiotemporal Motion Trajectory,” in Proceedings of IAPR 14th International Conference on Pattern Recognition (ICPR1998), pp.1047-1051, August 1998
  61. Kazuhiro Otsuka, Tsutomu Horikoshi, Keihiro Ochiai, Satoshi Suzuki, Fumio Adachi, and Masaharu Fujii, “Precipitation Forecast Based on Segmentation of Radar Echo Motion Field,” in Proceedings of American Meteorological Society 25th Conference on Radar Meteorology, pp. 218-219, September 1997
  62. Kazuhiro Otsuka, Tsutomu Horikoshi, and Satoshi Suzuki, “Image Velocity Estimation From Trajectory Surfaces in Spatiotemporal Space,” in Proceedings of 1997 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR1997), pp.200-205, June 1997【Oral Presentation, Acceptance Ratio=11%】

Book chapter

  1. Ryo Ishii, Shiro Ozawa, Akira Kojima, Kazuhiro Otsuka, Yuki Hayashi, Yukiko Nakano, “Design and Evaluation of Mirror Interface MIOSS to Overlay Remote 3D Spaces,” In Proceedings of IFIP TC.13 International Conference on Human-Computer Interaction (INTERACT 2015), Lecture Notes in Computer Science Volume 9299, pp. 319-326, 30 August 2015 [LNCS]
  2. Kazuhiro Otsuka, “Multimodal Conversation Scene Analysis for Understanding People’s Communicative Behaviors in Face-to-face Meetings,” Human Interface and the Management of Information. Interacting with Information: Symposium on Human Interface 2011, Held as Part of HCI International 2011, Lecture Notes in Computer Science Volume 6772, pp 171-179, July 2011 [LNCS]
  3. Dan Mikami, Kazuhiro Otsuka, and Junji Yamato, “Memory-based Particle Filter for Tracking Objects with Large Variation in Pose and Appearance,” in Proceedings of The 11th European Conference on Computer Vision (ECCV 2010), Lecture Notes in Computer Science Volume 6313, pp 215-228, 2010 [LNCS]
  4. Shiro Kumano, Kazuhiro Otsuka, Junji Yamato, Eisaku Maeda, Yoichi Sato, “Pose-Invariant Facial Expression Recognition Using Variable-Intensity Templates,” in Computer Vision – ACCV 2007, Lecture Notes in Computer Science (LNCS) Volume 4843, page 324334, November 2007. [LNCS]
  5. Kazuhiro Otsuka, Yoshinao Takemae, Junji Yamato, and Hiroshi Murase, “Probabilistic Inference of Gaze Patterns and Structure of Multiparty Conversations from Head Directions and Utterances,” New Frontiers in Artificial Intelligence: Joint JSAI 2005 Workshop Post-Proceedings, Lecture Notes in Computer Science Volume 4012, pp. 353-364, 2006 [LNAI]

Registered Patent (US)

  1. [US 6263089] Kazuhiro Otsuka, Tsutomu Horikoshi, Satoshi Suzuki, “Method and equipment for extracting image features from image sequence” 
  2. [US 5974360] Kazuhiro Otsuka, Tsutomu Horikoshi, Satoshi Suzuki, Hidetomo Sakaino, “Method and equipment for weather image prediction”

Multimodal Communications and Informatics Lab. / マルチモーダル情報処理研究室（大塚研究室）