Rchr
J-GLOBAL ID:201801019572140777   Update date: Feb. 10, 2025

Hiroki Kajita

Hiroki Kajita
Affiliation and department:
Job title: Doctor
Other affiliations (2):
Homepage URL  (1): https://www.researchgate.net/profile/Hiroki-Kajita
Research field  (2): Medical systems ,  Plastic and reconstructive surgery
Research keywords  (7): surgical video ,  surgical video camera ,  head deformity ,  3D scanning ,  lymphography ,  photoacoustic imaging ,  photoacoustic imaging
Research theme for competitive and other funds  (10):
  • 2022 - 2025 手術における執刀医視点・助手視点・固定多視点映像の統合解析による行動センシング
  • 2022 - 2025 Verification of Helmet Thearpy for Positional Head Deformity by the Analysis of 3D Scan Images
  • 2020 - 2023 Demonstration of the usefulness of using AI in recording and analyzing surgical videos to ensure medical safety
  • 2020 - 2022 Implementation of a superhuman surgical field monitoring system with multi-view monitoring and AI support for surgery
  • 2021 - 2021 手術動画の自由視点視聴による没入型トレーニングシステムの開発
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Papers (51):
  • Eri Konno Matoba, Masaki Yazawa, Nobuaki Imanishi, Hiroki Kajita, Hisashi Sakuma, Kazuo Kishi. Anatomical analysis of the periosteal blood supply system of the fibula using fresh cadavers. JPRAS open. 2025. 43. 309-316
  • Yushi Suzuki, Hiroki Kajita, Marika Otaki, Shiho Watanabe, Keisuke Okabe, Hisashi Sakuma, Yoshifumi Takatsume, Yuta Asano, Shigeyoshi Soga, Nobuaki Imanishi, et al. Comparison of the Quality of Lymphatic Vessel Images Obtained Using Two Photoacoustic Imaging Systems. Plastic and Reconstructive Surgery - Global Open. 2024. 12. 12. e6388-e6388
  • Yushi Suzuki, Hiroki Kajita, Marika Otaki, Shiho Watanabe, Hayato Nagashima, Keisuke Okabe, Nobuaki Imanishi, Hisashi Sakuma, Kazuo Kishi. Evaluation of Postoperative Anastomotic Patency in Lymphaticovenular Anastomosis Using Photoacoustic Imaging. Journal of surgical oncology. 2024
  • Kazuyo Sujino, Keiji Tanese, Yasuko Saito, Junko Kuramoto, Hideaki Iwazaki, Taiichiro Ida, Sadakazu Aiso, Nobuaki Imanishi, Hiroki Kajita, Keitaro Fukuda, et al. Visualization of intradermal blood vessel structures by dual-wavelength photoacoustic microscopy and characterization of three-dimensional construction of livedo-racemosa in cutaneous polyarteritis nodosa. Journal of Dermatological Science. 2024. 114. 2. 71-78
  • Hisako Tomita, Naoto Ienaga, Hiroki Kajita, Tetsu Hayashida, Maki Sugimoto. An analysis on the effect of body tissues and surgical tools on workflow recognition in first person surgical videos. International Journal of Computer Assisted Radiology and Surgery. 2024. 19. 11. 2195-2202
more...
MISC (85):
  • Ryo Fujii, Masashi Hatano, Hideo Saito, Hiroki Kajita. EgoSurgery-Phase: A Dataset of Surgical Phase Recognition from Egocentric Open Surgery Videos. Medical Image Computing and Computer Assisted Intervention - MICCAI 2024. MICCAI 2024. Lecture Notes in Computer Science. 2024. 15006. 187-196
  • Ryo Fujii, Hideo Saito, Hiroki Kajita. EgoSurgery: A Dataset for Surgical Video Understanding from Egocentric Open Surgery Videos. The 27th Meeting on Image Recognition and Understanding (MIRU2024). 2024
  • 加藤優奈, 五十川麻理子, 森尚平, 斎藤英雄, 梶田大樹, 高詰佳史. マルチカメラ映像の自由視点技術による術野を確認しやすい手術映像生成. The 27th Meeting on Image Recognition and Understanding (MIRU2024). 2024
  • Ryo Fujii, Hideo Saito, Hiroki Kajita. EgoSurgery-Tool: A Dataset of Surgical Tool and Hand Detection from Egocentric Open Surgery Videos. arXiv. 2024. 2406. 03095v4
  • Ryo Fujii, Masashi Hatano, Hideo Saito, Hiroki Kajita. EgoSurgery-Phase: A Dataset of Surgical Phase Recognition from Egocentric Open Surgery Videos. arXiv. 2024. 2405. 19644v3
more...
Patents (8):
  • MULTIPLE-VIEWPOINT VIDEO IMAGE VIEWING SYSTEM AND CAMERA SYSTEM
  • 手術動画編集システム及び手術動画編集方法
  • camera system
  • 多視点映像視聴システムおよびカメラシステム
  • 手術映像表示装置、手術映像表示装置の制御方法、及びプログラム
more...
Books (6):
  • 超音波テクノ 2023年11-12月号 Vol.35 No.6
    日本工業出版 2023
  • RadFan2022年7月号
    2022
  • 月刊新医療 2022年2月号 49 (2) 先進ITが果たす医療安全実現の可能性
    2022
  • Deep Learning in Medical Image Analysis
    MDPI 2021
  • 超音波テクノ (2020年9-10月号) Vol.32 No.5 圧電材料の研究と応用 非線形超音波技術の最新動向2 医療における超音波の貢献1
    日本工業出版 2020
more...
Lectures and oral presentations  (226):
  • EgoSurgery-Phase: A Dataset of Surgical Phase Recognition from Egocentric Open Surgery Videos
    (MICCAI 2024 2024)
  • 数理シミュレーションで見る位置的頭蓋変形の経時変化およびヘルメット矯正療法の効果
    (第11回日本頭蓋健診治療研究会・学術集会 2024)
  • EgoSurgery: A Dataset for Surgical Video Understanding from Egocentric Open Surgery Videos
    (The 27th Meeting on Image Recognition and Understanding (MIRU2024) 2024)
  • マルチカメラ映像の自由視点技術による術野を確認しやすい手術映像生成
    (第27回 画像の認識・理解シンポジウム (MIRU2024) 2024)
  • Efficiency of photoacoustic lymphangiography for preoperative mapping in patients undergoing lymphaticovenular anastomosis
    (34th EURAPS Annual Meeting 2024)
more...
Education (1):
  • 2005 - 2011 Keio University School of Medicine
Professional career (1):
  • MD, PhD (Keio University School of Medicine)
Work history (11):
  • 2023/04 - 現在 Baby's Head Reshaping Clinic Doctor
  • 2023/04 - 現在 Keio University School of Medicine Department of Plastic and Reconstructive Surgery Part-time Lecturer
  • 2018/06 - 現在 Keio University Faculty of Science and Technology Department of Information and Computer Science Visiting Instructor
  • 2021/11 - 2023/03 Baby's Head Reshaping Clinic Part-time Doctor
  • 2017/04 - 2023/03 Keio University School of Medicine Department of Plastic and Reconstructive Surgery Project Instructor
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Committee career (3):
  • 2023/06 - 現在 日本形成外科学会 動画コンテンツ検討委員会
  • 2019/08 - 2023/03 日本形成外科学会 渉外・広報委員会委員
  • 2022/02 - 2022/06 第31回日本コンピュータ外科学会大会 プログラム委員
Awards (18):
  • 2024/04 - 第67回日本形成外科学会総会・学術集会 最優秀口演賞 Patients like the baby - 頭位性斜頭症の矯正治療における類似症例の検索と治療効果推定
  • 2023/01 - 第46回慶應義塾大学形成外科同門会学術集会 優秀演題賞 拡張現実(AR)を利用して手術を施行した片側ラムダ縫合癒合症の 1 例
  • 2022/11 - Japan Society of Computer Aided Surgery 2021年度 講演論文賞 最優秀講演論文
  • 2022/07 - 第45回慶應義塾大学医学部形成外科同門会学術集会 優秀演題賞 紡錘形の皮膚切除に伴う立体的変化の検討
  • 2022/02 - 第27回日本形成外科手術手技学会 優秀演題賞 手術動画の撮影と編集における基本、工夫、研究開発
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Association Membership(s) (6):
Japan Cranial Medical Examination and Treatment Society (JCMETS) ,  THE JAPAN SOCIETY OF COMPUTER AIDED SURGERY ,  THE JAPANESE SOCIETY OF MEDICAL IMAGING TECHNOLOGY ,  Japanese Association for Medical Artificial Intelligence ,  The Japan Society for Simulation Surgery ,  Japan Society of Plastic and Reconstructive Surgery
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