Basic Information

Professional Memberships

• From 2024, To Present

  Institute of Electrical and Electronics Engineers (IEEE)
• From Jan. 2016, To Present

  The Virtual Reality Society of Japan

Academic Degree

• 修士（情報科学）(大阪大学)
• 博士（情報科学）(大阪大学)

Research History

• From May 2024, To Present

  Kyoto University, Graduate School of Medicine, Program-Specific Senior Lecturer
• From Apr. 2022, To Apr. 2024

  Kyoto University, Hospital, Assistant Professor
• From Jul. 2021, To Mar. 2022

  Kyoto University, Hospital, Program-Specific Assistant Professor
• From Nov. 2020, To Jun. 2021

  Kyoto University, Graduate School of Medicine, Program-Specific Researcher
• From Oct. 2020, To Nov. 2020

  Kyoto University, Graduate School of Medicine, Postdoctoral Fellow

ID,URL

• ORCID ID

  0000-0002-0515-5226

• J-Global ID

  202101016171385706

• External link

  https://szlc15.github.io/

researchmap URL

• https://researchmap.jp/liu-chang

Research

Research Topics, Overview of the research

• Research Topics

  Human-Computer Interaction

Research Interests

• User Interface
• Human-Computer Interaction
• Medical VR/AR
• Virtual Reality
• Augmented Reality

Research Areas

• Informatics, Perceptual information processing
• Informatics, Biological, health, and medical informatics
• Informatics, Human interfaces and interactions

Papers

• The evolution of healthcare digitalisation policies in Malaysia: A four-decade narrative review (1985–2025)

  Nuraini Naim; Yuki Kuroda; Satoshi Yamada; Yukiko Mori; Chang Liu; Roberto Espinoza; Goshiro Yamamoto; Tomohiro Kuroda

  DIGITAL HEALTH, 02 Jul. 2025

  
• Semi-Supervised Role Classification from Operating Room Surveillance Videos for Intraoperative Situation Analysis

  Koji Yokoyama; Goshiro Yamamoto; Chang Liu; Sho Mitarai; Kazumasa Kishimoto; Yukiko Mori; Tomohiro Kuroda

  International Journal of Activity and Behavior Computing, 01 Jul. 2025

  
• Prediction of surgery start for automated anesthesia using draping detection from surveillance videos

  Akihito Ito; Sho Mitarai; Kazumasa Kishimoto; Chang Liu; Goshiro Yamamoto; Yukiko Mori; Moritoki Egi; Tomohiro Kuroda

  Journal of Clinical Monitoring and Computing, 20 Jun. 2025, Peer-reviewed

  
• Climbing Motion Generation for Humanoid Agents through Deep Reinforcement Learning with Optimization Constraints

  Kazuho Onishi; Yuki Uranishi; Masato Kobayashi; Chang Liu; Goshiro Yamamoto; Ratsamee Photchara

  2025 IEEE International Conference on Mechatronics (ICM), 28 Feb. 2025, Peer-reviewed

  
• Leveraging social media for public health: NLP implementations for blood donation data analysis in Japan

  Roberto Espinoza; Kazumasa Kishimoto; Chang Liu; Luciano H.O. Santos; Yukiko Mori; Goshiro Yamamoto; Tomohiro Kuroda

  Social Network Analysis and Mining, 03 Apr. 2025, Peer-reviewed

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• Generating Double Dyno Motion for Humanoid Agents in Simulated Bouldering Environment Through Deep Reinforcement Learning

  Kazuho Onishi; Yuki Uranishi; Masato Kobayashi; Chang Liu; Goshiro Yamamoto; Ratsamee Photchara

  2025 IEEE International Conference on Artificial Intelligence and eXtended and Virtual Reality (AIxVR), 27 Jan. 2025, Peer-reviewed

  
• Assessing the Feasibility of Sequential Voice Input for Nursing Records in Clinical Settings (Preprint)

  Natsuko Nishida; Chang Liu; Goshiro Yamamoto; Tomohiro Kuroda

  21 Jan. 2025

  
• Unified total body CT image with multiple organ specific windowings: validating improved diagnostic accuracy and speed in trauma cases

  Naoki Okada; Shusuke Inoue; Chang Liu; Sho Mitarai; Shinichi Nakagawa; Yohsuke Matsuzawa; Satoshi Fujimi; Goshiro Yamamoto; Tomohiro Kuroda

  Scientific Reports, 15 Feb. 2025, Peer-reviewed

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• Real‐Time Subcutaneous Arterial Navigation for Thinning of an Anterolateral Thigh Flap Using Photoacoustic Imaging and Projection Mapping: A Case Report

  Itaru Tsuge; Susumu Saito; Maria Chiara Munisso; Tomoko Kosaka; Ayako Takaya; Chang Liu; Goshiro Yamamoto; Naoki Morimoto

  Microsurgery, 04 Jan. 2025, Peer-reviewed

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• RehaBricks: An Electronic Modular Pegboard for Improving Upper Limb Exercise Adaptability

  Chang Liu; Sho Mitarai; Luciano H.O. Santos; Sayaka Okahashi; Goshiro Yamamoto

  2024 46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 15 Jul. 2024, Peer-reviewed, Lead author, Corresponding author

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• Facilitative Agents with Deliberate Handicaps in Traditional Competitive Games for Improved Playability

  Sho Mitarai; Chang Liu; Goshiro Yamamoto; Nagisa Munekata

  Companion Proceedings of the 2024 Annual Symposium on Computer-Human Interaction in Play, 14 Oct. 2024, Peer-reviewed

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• Virtual Patientization: A Playable Design for Clinical Ultrasound Training by Embedding Virtual Lesions

  Masaki Goda; Goshiro Yamamoto; Chang Liu; Kazumasa Kishimoto; Sho Mitarai; Yukiko Mori; Tomohiro Kuroda

  Companion Proceedings of the 2024 Annual Symposium on Computer-Human Interaction in Play, 14 Oct. 2024, Peer-reviewed

  
• Noninvasive visualization of the midline-crossing arterial variation in the deep inferior epigastric artery perforator flap using photoacoustic tomography for application in patients with abdominal scars

  Itaru Tsuge; Susumu Saito; Maria Chiara Munisso; Tomoko Kosaka; Ayako Takaya; Chang Liu; Goshiro Yamamoto; Naoki Morimoto

  Journal of Plastic, Reconstructive & Aesthetic Surgery, Dec. 2024, Peer-reviewed

  
• Investigating Decision Factors Affecting Subjective Description Disclosure in Health Information Exchange in Japan

  Saki Hirayama; Yukiko Mori; Chang Liu; Goshiro Yamamoto; Tomohiro Kuroda

  Studies in Health Technology and Informatics, 22 Aug. 2024, Peer-reviewed

  
• Similarity Analysis of Clinical Notes for Revealing Writing Styles in an Electronic Medical Record System

  WATARU MURATA; Chang Liu; Goshiro Yamamoto; Yukiko Mori; Tomohiro Kuroda

  Studies in Health Technology and Informatics, 22 Aug. 2024, Peer-reviewed

  
• Developing a Sustainable Shared Child’s Health Record in Low Resources Setting, Lao PDR

  Thepphouthone Sorsavanh; Yukiko Mori; Goshiro Yamamoto; Chang Liu; Tomohiro Kuroda

  Studies in Health Technology and Informatics, 22 Aug. 2024, Peer-reviewed

  
• Comparing Patient Perception and Physician’s Records: Generative AI Performance Evaluation

  Nattawipa Thawinwisan; Chang Liu; Kazumasa Kishimoto; Goshiro Yamamoto; Yukiko Mori; Tomohiro Kuroda

  Studies in Health Technology and Informatics, 22 Aug. 2024, Peer-reviewed

  
• Gamification Approach to Provide Support About the Deferral Experience in Blood Donation: Design and Feasibility Study

  Roberto Espinoza Chamorro; Luciano H O Santos; Yukiko Mori; Chang Liu; Goshiro Yamamoto; Tomohiro Kuroda

  JMIR Human Factors, 14 Jun. 2024, Peer-reviewed

  
• Capture of emotional responses under a simulated earthquake experience using near-infrared spectroscopy and virtual reality

  Hikari Otsuka; Sayaka Okahashi; Hirotake Ishii; Wataru Asaba; Chang Liu; Goshiro Yamamoto; Akitoshi Seiyama

  PLOS ONE, 23 May 2024, Peer-reviewed

  
• EyeShadows: Peripheral Virtual Copies for Rapid Gaze Selection and Interaction

  Jason Orlosky; Chang Liu; Kenya Sakamoto; Ludwig Sidenmark; Adam Mansour

  2024 IEEE Conference Virtual Reality and 3D User Interfaces (VR), 16 Mar. 2024, Peer-reviewed

  
• Individual Activity Anomaly Estimation in Operating Rooms Based on Time-Sequential Prediction

  Koji Yokoyama; Goshiro Yamamoto; Chang Liu; Kazumasa Kishimoto; Yukiko Mori; Tomohiro Kuroda

  Proceedings of the 19th World Congress on Medical and Health Informatics, 25 Jan. 2024, Peer-reviewed

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• Adjusting Twitter Data as a Source for Blood Donation Analysis: BDT-UC Dataset and BERT Implementations

  Roberto Espinoza; Chang Liu; Kazumasa Kishimoto; Goshiro Yamamoto; Yukiko Mori; Luciano Santos; Tomohiro Kuroda

  2023 IEEE EMBS Special Topic Conference on Data Science and Engineering in Healthcare, Medicine and Biology, 07 Dec. 2023, Peer-reviewed

  
• Real-time Alert of Excessive Force Based on Forearm Muscle Activity for Wall Climbing

  Toru Kowada; Photchara Ratsamee; Goshiro Yamamoto; Chang Liu; Yuki Uranishi

  2023 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), 16 Oct. 2023, Peer-reviewed

  
• Operating Room Surveillance Video Analysis for Group Activity Recognition

  Koji Yokoyama; Goshiro Yamamoto; Chang Liu; Kazumasa Kishimoto; Tomohiro Kuroda

  Advanced Biomedical Engineering, 2023, Peer-reviewed

  
• PreFlap: From Photoacoustic Tomography Images to Vascular Mapping Sheets for Improved Preoperative Flap Evaluation

  Maria Chiara Munisso; Chang Liu; Goshiro Yamamoto; Tomoko Kosaka; Itaru Tsuge; Susumu Saito; Naoki Morimoto

  IEEE Transactions on Biomedical Engineering, Jan. 2024, Peer-reviewed

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• SmartVP: Viewpoint Optimization Based on Individual Preference for Watching 3D Boxing Punch Videos

  Tao Tao; Photchara Ratsamee; Chang Liu; Yuki Uranishi; Haruo Takemura

  Proceedings of the 2023 5th International Conference on Image, Video and Signal Processing, 24 Mar. 2023, Peer-reviewed

  
• Preoperative visualization of midline-crossing subcutaneous arteries in transverse abdominal flaps using photoacoustic tomography

  Itaru Tsuge; Maria Chiara Munisso; Tomoko Kosaka; Ayako Takaya; Yoshihiro Sowa; Chang Liu; Goshiro Yamamoto; Susumu Saito; Naoki Morimoto

  Journal of Plastic, Reconstructive & Aesthetic Surgery, Sep. 2023, Peer-reviewed

  
• Exploring Efficacy of Cognitive Tasks Using Immersive Virtual Reality for Executive Function and Attention Rehabilitation

  Chang Liu; Yuki Watanabe; Goshiro Yamamoto; Sayaka Okahashi

  ヒューマンインタフェース学会論文誌, 25 Feb. 2023, Peer-reviewed, Lead author, Corresponding author

  
• ホールド難度と配置を考慮したボルダリング課題の自動難度推定

  大西 和歩; 浦西 友樹; 劉 暢; Photchara Ratsamee; 東田 学; 山本 豪志朗; 竹村 治雄

  日本バーチャルリアリティ学会論文誌, Dec. 2022, Peer-reviewed

  
• Recognition of Instrument Passing and Group Attention for Understanding Intraoperative State of Surgical Team

  Koji Yokoyama; Goshiro Yamamoto; Chang Liu; Osamu Sugiyama; Luciano HO Santos; Tomohiro Kuroda

  Advanced Biomedical Engineering, 2022, Peer-reviewed

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• Eye Gaze-based Object Rotation for Head-mounted Displays

  Chang Liu; Jason Orlosky; Alexander Plopski

  Symposium on Spatial User Interaction, 31 Oct. 2020, Peer-reviewed, Lead author, Corresponding author

  
• OrthoGaze: Gaze-based three-dimensional object manipulation using orthogonal planes

  Chang Liu; Alexander Plopski; Jason Orlosky

  Computers & Graphics, Jun. 2020, Peer-reviewed, Lead author, Corresponding author

  
• Visualization-Guided Attention Direction in Dynamic Control Tasks

  Jason Orlosky; Chang Liu; Denis Kalkofen; Kiyoshi Kiyokawa

  2019 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), Oct. 2019, Peer-reviewed

  
• IntelliPupil: Pupillometric Light Modulation for Optical See-Through Head-Mounted Displays

  Chang Liu; Alexander Plopski; Kiyoshi Kiyokawa; Photchara Ratsamee; Jason Orlosky

  2018 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), Oct. 2018, Peer-reviewed, Lead author, Corresponding author

  

Misc.

• Factors and Impacts of Clinical Note Disclosure in Health Information Exchange-Design of an Interview Survey-

  平山紗季; 森由希子; 當山まゆみ; LIU Chang; 山本豪志朗; 黒田知宏

  医療情報学連合大会論文集(CD-ROM), 2024

  
• Understanding Surgical Situation Using Operating Room Surveillance Videos and an Individual Activity Recognition Model

  横山晃士; 山本豪志朗; LIU Chang; 御手洗彰; 岸本和昌; 森由希子; 黒田知宏

  医療情報学連合大会論文集(CD-ROM), 2024

  
• An Attempt to Enhance Understanding of Abdominal Ultrasound Image Interpretation through Three-Dimensional Reconstruction

  竹田一博; 御手洗彰; LIU Chang; 岸本和昌; 森由希子; 江口佳那; 山本豪志朗; 黒田知宏

  医療情報学連合大会論文集(CD-ROM), 2024

  
• A Survey on Nursing Tasks in General Wards towards Automated Task Planning

  岩本幸大; 御手洗彰; 岸本和昌; 森由希子; LIU Chang; 西田菜都子; 疋田智子; 山本豪志朗; 黒田知宏

  医療情報学連合大会論文集(CD-ROM), 2024

  
• Study on Quantification Method of Muscle Strength Evaluation Using Surface Electromyogram

  田中良樹; 御手洗彰; LIU Chang; LIU Chang; 江口佳那; 植嶋大晃; 森由希子; 山本豪志朗; 黒田知宏

  医療情報学連合大会論文集(CD-ROM), 2023

  
• 手術室監視映像を用いたグループ行動認識の有効性調査

  横山 晃士; 山本 豪志朗; 劉 暢; 岸本 和昌; 黒田 知宏

  医療情報学連合大会論文集, Nov. 2022

  
• 看護記録の自動構造化に向けた音声入力インタフェースの提案

  西田 菜都子; Liu Chang; 杉山 治; 山本 豪志朗; 黒田 知宏

  Nov. 2022

  
• 手術室監視映像の分析に基づく医療者の行動と手術開始時刻の関連性調査

  伊藤 彰仁; 森 由希子; 岸本 和昌; Liu Chang; 山本 豪志朗; 黒田 知宏; 江木 盛時

  医療情報学連合大会論文集, Nov. 2022

  
• 超音波画像撮影実習のための拡張現実感を用いた擬似病変表現—Artificial Lesion Representation using Augmented Reality for Ultrasound Imaging Training

  合田 真規; 山本 豪志朗; LIU CHANG; 岸本 和昌; 黒田 知宏

  システム制御情報学会研究発表講演会講演論文集, May 2023

  
• 複数人動作解析に基づく手術室の状況理解の試み—Understanding an operating room situation based on multi-person motion analysis

  横山 晃士; 山本 豪志朗; 佐々木 博史; 杉山 治; サントス ルシアーノ; 劉 暢; 平木 秀輔; 岡本 和也; 黒田 知宏

  システム制御情報学会研究発表講演会講演論文集, May 2021

  
• Evaluating upper limb functions based on motion analysis

  Suzuki Kento; Santos Luciano; Liu Chang; Ueshima Hiroaki; Yamamoto Goshiro; Okahashi Sayaka; Hiragi Shusuke; Sugiyama Osamu; Okamoto Kazuya; Kuroda Tomohiro

  Transactions of Japanese Society for Medical and Biological Engineering, 2021

  
• ボルダリングにおける登攀上達を支援する投影情報の検討

  浜本多聞; 浦西友樹; 浦西友樹; RATSAMEE Photchara; RATSAMEE Photchara; 東田学; 東田学; 劉暢; 山本豪志朗

  情報処理学会研究報告(Web), 2022

  
• ホールド形状を考慮したボルダリング課題の難度推定

  大西和歩; 浦西友樹; 浦西友樹; RATSAMEE Photchara; RATSAMEE Photchara; 東田学; 東田学; 劉暢; 山本豪志朗

  情報処理学会研究報告(Web), 2022

  
• リハビリテーション支援のための動作推定を用いた上肢機能評価及び可視化

  鈴木賢人; SANTOS Luciano H O; 劉暢; 植嶋大晃; 杉山治; 山本豪志朗; 岡橋さやか; 岡橋さやか; 黒田知宏

  情報処理学会研究報告(Web), 2022

  

Academic, Social Contribution

Academic Contribution

• The 23nd IEEE International Symposium on Mixed and Augmented Reality (ISMAR 2024)

  Peer review

  From 2024

  
• IEEE Transactions on Visualization and Computer Graphics

  Peer review

  From 2020, To Present

  
• The 11th International Conference on Human-Agent Interaction (HAI 2023)

  Peer review

  From 2023

  
• The 30th IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR 2023)

  Peer review

  From 2023

  
• The 22nd IEEE International Symposium on Mixed and Augmented Reality (ISMAR 2023)

  Peer review

  From 2023

  
• The 21st IEEE International Symposium on Mixed and Augmented Reality (ISMAR 2022)

  Peer review

  From 2022

  
• ヒューマンインターフェース学会論文誌

  Peer review

  From 2022

  
• International Conference on Artificial Reality and Telexistence & Eurographics Symposium on Virtual Environments (ICAT-EGVE) 2022

  Peer review

  From 2022

  
• The 27th ACM Symposium on Virtual Reality Software and Technology (VRST 2021)

  Peer review

  From 2021

  
• International Conference on Artificial Reality and Telexistence & Eurographics Symposium on Virtual Environments (ICAT-EGVE) 2021

  Peer review

  From 2021

  
• ACM Spatial User Interaction (SUI) 2020

  Panel moderator

  From 2020

  
• The 26th IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR 2019)

  Planning, management, etc., Panel moderator, Other

  From 2019