Basic Information

Faculty

• Faculty of Engineering

Email Address

• Email Address

  sakurada.ken.5zkyoto-u.ac.jp

Academic Degree

• 25 Mar. 2015

  東北大学博士（情報科学）
• 25 Mar. 2011

  東北大学修士（情報科学）

Academic Resume (Undergraduate School/Majors)

• 東北大学, 工学部機械知能航空工学科, 卒業

Research History

• From Sep. 2025, To Present

  The University of Osaka, D3 Center, Specially-appointed Associate Professor
• From Apr. 2024, To Present

  Kyoto University, 大学院情報学研究科 知能情報学コース 知能メディア コンピュータビジョン分野, 准教授
• From Apr. 2018, To Mar. 2024

  National Institute of Advanced Industrial Science and Technology, Artificial Intelligence Research Center, Senior researcher
• From Apr. 2016, To Mar. 2018

  Nagoya University, Graduate School of Engineering Information and Communication Engineering, Assistant professor
• From Apr. 2015, To Mar. 2016

  Tokyo Institute of Technology, Graduate School of Science and Engineering, Postdoctoral Researcher
• From Apr. 2013, To Mar. 2014

  Carnegie Mellon University, Robotics Institute, 客員研究員
• From Apr. 2012, To Mar. 2014

  Japan Society for the Promotion of Science, 特別研究員DC2

ID,URL

• J-Global ID

  202001007253553163

• Researcher number

  70773670

researchmap URL

• https://researchmap.jp/kensakurada

Research

Research Interests

• 3D modeling
• Change Detection
• Sensor Data Privacy

Research Areas

• Informatics, Perceptual information processing, Computer Vision
• Informatics, Robotics and intelligent systems
• Informatics, Perceptual information processing, Remote sensing

Papers

• SOIC: Semantic Online Initialization and Calibration for LiDAR and Camera.

  Weimin Wang 0007; Shohei Nobuhara; Ryosuke Nakamura; Ken Sakurada

  CoRR, 2020

  
• SDFT: Structural Discrete Fourier Transform for Place Recognition and Traversability Analysis.

  Ayumi Umemura; Ken Sakurada; Masaki Onishi; Kazuya Yoshida

  IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2024, Peer-reviewed

  
• Wavefront Neural Radiance Fields for Multi-depth Reconstruction.

  Tsubasa Nakamura; Ken Sakurada; Gaku Nakano

  International Conference on Pattern Recognition (ICPR), 2024, Peer-reviewed

  
• Validation of LLM-Generated Object Co-Occurrence Information for Understanding Three-Dimensional Scenes.

  Kenta Gunji; Kazunori Ohno; Shuhei Kurita; Ken Sakurada; Ranulfo Bezerra; Shotaro Kojima; Yoshito Okada; Masashi Konyo; Satoshi Tadokoro

  IEEE Access, 2024, Peer-reviewed

  
• Implicit Neural Fusion of RGB and Far-Infrared 3D Imagery for Invisible Scenes.

  Xiangjie Li; Shuxiang Xie; Ken Sakurada; Ryusuke Sagawa; Takeshi Oishi

  IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2024, Peer-reviewed

  
• Dense Optical Flow based Change Detection Network Robust to Difference of Camera Viewpoints.

  Ken Sakurada; Weimin Wang; Nobuo Kawaguchi; Ryosuke Nakamura

  CoRR, 2017, Lead author, Corresponding author

  
• Event.Locky: System of event-data extraction from webpages based onweb mining

  Chenyi Liao; Kei Hiroi; Katsuhiko Kaji; Ken Sakurada; Nobuo Kawaguchi

  Journal of Information Processing (JIP), 2017, Peer-reviewed

  
• Real-time prediction of fall and collision of tracked vehicle for remote-control support

  Ken Sakurada; Shihoko Suzuki; Kazunori Ohno; Eijiro Takeuchi; Satoshi Tadokoro; Akihiko Hata; Naoki Miyahara; Kazuyuki Higashi

  IEEE/SICE International Symposium on System Integration (SII), 2010, Peer-reviewed, Lead author, Corresponding author

  
• Development of a Laser Scan Method to Decrease Hidden Areas Ca used by Objects Like Pole at Whole 3 - D Shape Measurement

  Akihiko Hata; Kazunori Ohno; Eijiro Takeuchi; Satoshi Tadokoro; Ken Sakurada; Naoki Miyahra; Kazuyuki Higashi

  IEEE/SICE International Symposium on System Integration (SII), 2010, Peer-reviewed

  
• MeshDepth: Disconnected Mesh-based Deep Depth Prediction.

  Masaya Kaneko; Ken Sakurada; Kiyoharu Aizawa

  CoRR, 2019

  
• G2fR: Frequency Regularization in Grid-Based Feature Encoding Neural Radiance Fields.

  Shuxiang Xie; Shuyi Zhou; Ken Sakurada; Ryoichi Ishikawa; Masaki Onishi; Takeshi Oishi

  European Conference on Computer Vision (ECCV), 2024, Peer-reviewed

  
• INF: Implicit Neural Fusion for LiDAR and Camera.

  Shuyi Zhou; Shuxiang Xie; Ryoichi Ishikawa; Ken Sakurada; Masaki Onishi; Takeshi Oishi

  IEEE/RSJ International Conference on Intelligent Robots and Systems(IROS), 2023, Peer-reviewed

  
• Hierarchical Neural Memory Network for Low Latency Event Processing.

  Ryuhei Hamaguchi; Yasutaka Furukawa; Masaki Onishi; Ken Sakurada

  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2023, Peer-reviewed

  
• 3DMovieMap: an Interactive Route Viewer for Multi-Level Buildings.

  Seita Kayukawa; Keita Higuchi; Shigeo Morishima; Ken Sakurada

  Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems, 2023, Peer-reviewed

  
• Fast Structural Representation and Structure-aware Loop Closing for Visual SLAM.

  Shuxiang Xie; Ryoichi Ishikawa; Ken Sakurada; Masaki Onishi; Takeshi Oishi

  IEEE/RSJ International Conference on Intelligent Robots and Systems(IROS), 2022, Peer-reviewed

  
• LB-NERF: Light Bending Neural Radiance Fields for Transparent Medium.

  Taku Fujitomi; Ken Sakurada; Ryuhei Hamaguchi; Hidehiko Shishido; Masaki Onishi; Yoshinari Kameda

  IEEE International Conference on Image Processing(ICIP), 2022, Peer-reviewed

  
• Detecting Object-Level Scene Changes in Images with Viewpoint Differences Using Graph Matching.

  Kento Doi; Ryuhei Hamaguchi; Yusuke Iwasawa; Masaki Onishi; Yutaka Matsuo; Ken Sakurada

  Remote Sensing, 2022, Peer-reviewed

  
• Heterogeneous Grid Convolution for Adaptive, Efficient, and Controllable Computation.

  Ryuhei Hamaguchi; Yasutaka Furukawa; Masaki Onishi; Ken Sakurada

  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2021, Peer-reviewed

  
• Self-supervised Simultaneous Alignment and Change Detection.

  Yukuko Furukawa; Kumiko Suzuki; Ryuhei Hamaguchi; Masaki Onishi; Ken Sakurada

  IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2020, Peer-reviewed

  
• GAN-Based SAR-to-Optical Image Translation with Region Information.

  Kento Doi; Ken Sakurada; Masaki Onishi; Akira Iwasaki

  IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2020, Peer-reviewed

  
• Weakly Supervised Silhouette-based Semantic Scene Change Detection.

  Ken Sakurada; Mikiya Shibuya; Weimin Wang 0007

  IEEE International Conference on Robotics and Automation (ICRA), 2020, Peer-reviewed, Lead author, Corresponding author

  
• Privacy Preserving Visual SLAM.

  Mikiya Shibuya; Shinya Sumikura; Ken Sakurada

  European Conference on Computer Vision (ECCV), 2020, Peer-reviewed

  
• TriDepth: Triangular Patch-Based Deep Depth Prediction.

  Masaya Kaneko; Ken Sakurada; Kiyoharu Aizawa

  IEEE/CVF International Conference on Computer Vision Workshops (CVPRW), 2019, Peer-reviewed

  
• Rare Event Detection Using Disentangled Representation Learning.

  Ryuhei Hamaguchi; Ken Sakurada; Ryosuke Nakamura

  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2019, Peer-reviewed

  
• Image Translation Between Sar and Optical Imagery with Generative Adversarial Nets.

  Kenji Enomoto; Ken Sakurada; Weiming Wang; Nobuo Kawaguchi; Masashi Matsuoka; Ryosuke Nakamura

  IEEE International Geoscience and Remote Sensing Symposium(IGARSS), 2018, Peer-reviewed

  
• Scale Estimation of Monocular SfM for a Multi-modal Stereo Camera.

  Shinya Sumikura; Ken Sakurada; Nobuo Kawaguchi; Ryosuke Nakamura

  Asian Conference on Computer Vision (ACCV), 2018, Peer-reviewed

  
• Image-Matching Based Identification of Store Signage Using Web-Crawled Information.

  Chenyi Liao; Weimin Wang 0007; Ken Sakurada; Nobuo Kawaguchi

  IEEE Access, 2018, Peer-reviewed

  
• Damage detection from aerial images via convolutional neural networks.

  Aito Fujita; Ken Sakurada; Tomoyuki Imaizumi; Riho Ito; Shuhei Hikosaka; Ryosuke Nakamura

  IAPR International Conference on Machine Vision Applications (MVA), 2017, Peer-reviewed

  
• Filmy Cloud Removal on Satellite Imagery with Multispectral Conditional Generative Adversarial Nets.

  Kenji Enomoto; Ken Sakurada; Weimin Wang 0007; Hiroshi Fukui; Masashi Matsuoka; Ryosuke Nakamura; Nobuo Kawaguchi

  IEEE/CVF International Conference on Computer Vision Workshops (CVPRW), 2017, Peer-reviewed

  
• Reflectance Intensity Assisted Automatic and Accurate Extrinsic Calibration of 3D LiDAR and Panoramic Camera Using a Printed Chessboard.

  Weimin Wang 0007; Ken Sakurada; Nobuo Kawaguchi

  Remote Sensing, 2017, Peer-reviewed

  
• Temporal city modeling using street level imagery.

  Ken Sakurada; Daiki Tetsuka; Takayuki Okatani

  Computer Vision and Image Understanding (CVIU), 2017, Peer-reviewed, Lead author, Corresponding author

  
• Incremental and Enhanced Scanline-Based Segmentation Method for Surface Reconstruction of Sparse LiDAR Data.

  Weimin Wang 0007; Ken Sakurada; Nobuo Kawaguchi

  Remote Sensing, 2016, Peer-reviewed

  
• Hybrid macro-micro visual analysis for city-scale state estimation.

  Ken Sakurada; Takayuki Okatani; Kris M. Kitani

  Computer Vision and Image Understanding (CVIU), 2016, Peer-reviewed, Lead author, Corresponding author

  
• Change Detection from a Street Image Pair using CNN Features and Superpixel Segmentation.

  Ken Sakurada; Takayuki Okatani

  British Machine Vision Conference (BMVC), 2015, Peer-reviewed, Lead author, Corresponding author

  
• Massive City-Scale Surface Condition Analysis Using Ground and Aerial Imagery.

  Ken Sakurada; Takayuki Okatani; Kris M. Kitani

  Asian Conference on Computer Vision (ACCV), 2014, Peer-reviewed, Lead author, Corresponding author

  
• Detecting Changes in 3D Structure of a Scene from Multi-view Images Captured by a Vehicle-Mounted Camera.

  Ken Sakurada; Takayuki Okatani; Koichiro Deguchi

  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2013, Peer-reviewed, Lead author, Corresponding author

  
• Creating Multi-Viewpoint Panoramas of Streets with Sparsely Located Buildings.

  Takayuki Okatani; Jun Yanagisawa; Daiki Tetsuka; Ken Sakurada; Koichiro Deguchi

  International Conference on Field and Service Robotics (FSR), 2012, Peer-reviewed

  
• Development of motion model and position correction method using terrain information for tracked vehicles with sub-tracks.

  Ken Sakurada; Eijiro Takeuchi; Kazunori Ohno; Satoshi Tadokoro

  IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2010, Peer-reviewed, Lead author, Corresponding author

  

Presentations

• Visual SLAMと深層学習を用いた３Ｄモデリング

  櫻田 健

  第19回情報科学技術フォーラム（FIT2020）, 03 Sep. 2020

  
• 画像を用いた空間モデリングとその応用

  櫻田 健

  日本ロボット学会ロボット工学セミナー 第118回「実践的に学ぶ！深層学習を用いた自動運転・ナビゲーションの最前線」, 22 May 2020, Invited

  
• センシングデバイスの多様化と空間モデリングの未来

  櫻田 健

  SSII2018, 13 Jun. 2018, Invited

  
• センサ融合による広域空間の4Dモデリング

  櫻田 健

  ITSS名古屋チャプタ 2017年度 第1回講演会, 10 Jul. 2017, Invited

  
• 多視点・多時刻の画像を用いた4次元モデリング

  櫻田 健

  産総研 第9回AIセミナー 「コンピュータービジョンとAI」, 25 Oct. 2016, Invited

  
• シーンモデリングにおける畳み込みニューラルネットワークの応用とその課題

  櫻田 健

  確率場と深層学習に関する第1回CRESTシンポジウム, 13 Jan. 2016, Invited

  
• 車載画像を用いた都市の時空間モデリング

  櫻田 健

  時空間情報活用フォーラム in G空間EXPO2015, 27 Nov. 2015, Invited

  
• Detecting Changes in 3D Structure of a Scene from Multi-view Images Captured by a Vehicle-mounted Camera

  櫻田 健

  画像の認識・理解シンポジウム, 30 Jul. 2015, Invited

  
• SLAMのポーズグラフにおけるトポロジー的完全性

  謝舒翔; 櫻田健; 石川涼一; 大西正輝; 大石岳史

  画像の認識・理解シンポジウム, 31 Jul. 2025

  
• 逐次点群入力の時空間対応付による低遅延な3次元物体検出

  辻栄翔; 濱口竜平; 大西正輝; 櫻田健

  画像の認識・理解シンポジウム, 29 Jul. 2025

  
• グリッドベースNeRFにおける周波数正則化

  謝舒翔; 周舒意; 櫻田健; 石川涼一; 大西正輝; 大石岳史

  画像の認識・理解シンポジウム, 07 Aug. 2024

  
• ニューラル場を用いたLiDARカメラシステムのセンサ融合

  周舒意; 謝舒翔; 石川涼一; 櫻田健; 大西正輝; 大石岳史

  画像の認識・理解シンポジウム, 27 Jul. 2023

  
• Pixel vs. Object: 変化キャプショニングにおける最適な画像表現についての研究

  土居健人; 濱口竜平; 岩澤有祐; 大西正輝; 松尾豊; 櫻田健

  画像の認識・理解シンポジウム, 27 Jul. 2022

  
• Visual SLAMのための高速な構造表現手法と自由空間を考慮した頑健なループクロージング

  謝舒翔; 石川 涼一; 櫻田 健; 大西 正輝; 大石 岳史

  画像の認識・理解シンポジウム, 26 Jul. 2022

  
• 非直線光路を表現可能なNeural Radiance Fields

  藤冨 卓; 櫻田 健; 濱口竜平; 宍戸 英彦; 大西 正輝; 亀田 能成

  画像の認識・理解シンポジウム, 26 Jul. 2022

  
• 深層学習を用いたメッシュ表現に基づく単眼奥行き推定

  金子真也; 櫻田健; 相澤清晴

  画像の認識・理解シンポジウム, 04 Aug. 2020

  
• 自己教師あり学習による位置合わせとシーン変化の同時推定

  古川悠久子; 鈴木久美子; 濱口竜平; 大西正輝; 櫻田健

  画像の認識・理解シンポジウム, 04 Aug. 2020

  
• プライバシー保護を考慮したVisual SLAM

  渋谷樹弥; 角倉慎弥; 横田理央; 櫻田健

  画像の認識・理解シンポジウム, 03 Aug. 2020

  
• 三次元構造エッジ推定に基づく深層学習を用いた単眼画像からのシーンメッシュ復元

  金子真也; 櫻田健; 池畑諭; 相澤清晴

  画像の認識・理解シンポジウム, 03 Aug. 2020

  
• Graph Residual Networks for Semantic Segmentation

  Ryuhei Hamaguchi; Yasutaka Furukawa; Masaki Onishi; Ken Sakurada

  画像の認識・理解シンポジウム, 03 Aug. 2020

  
• 変化の属性を考慮した物体レベルのシーン変化検出

  岩瀬駿; 櫻田健

  画像の認識・理解シンポジウム, 01 Aug. 2019

  
• Silhouette-based Semantic Change Detection

  Ken Sakurada

  画像の認識・理解シンポジウム, 07 Aug. 2018

  
• マルチモーダルステレオカメラにおける単眼SfMのスケール推定精度の評価

  角倉慎弥; 櫻田健; 河口信夫; 中村良介

  画像の認識・理解シンポジウム, 06 Aug. 2018

  
• 密なオプティカルフローに基づく畳み込みネットを用いたカメラ視点の違いに頑健なシーン変化の検出

  櫻田健; 榎本憲二; Nevrez Imamoglu; 中村良介; Lin Weisi; 河口 信夫

  画像の認識・理解シンポジウム, 08 Aug. 2017

  
• Scene Change Detection from a Pair of Roughly Registered Images Based on CNN Features and Superpixel Segmentation

  Ken Sakurada; Takayuki Okatani

  画像の認識・理解シンポジウム, 30 Jul. 2015

  
• Spatial AIの発展とシーンプライバシーの意義

  櫻田 健

  第40回 ファジィシステムシンポジウム（FSS2024）, 02 Sep. 2024, Invited

  
• Spatial AIが切り開く、新たな産業進化の方向性

  櫻田 健

  科学技術と経済の会 [JATES] 技経会, 18 Mar. 2024, Invited

  
• Spatial AIとシーンプライバシー

  2023年度 知能情報学コースコロキウム, 12 May 2023, Invited

  
• Visual SLAM入門 〜発展の歴史と基礎の習得〜

  櫻田 健

  CVIM/CGVI/DCC合同研究会, 06 Nov. 2021, Invited

  
• マルチモーダル４Ｄセンシング〜 リアルワールドのデジタル化 〜

  櫻田 健

  SSII2019, 12 Jun. 2019, Invited

  

Books and Other Publications

• CVIMチュートリアル : Vision and Language, Visual SLAM, CMOSイメージセンサ, 微分可能レンダリング

  藤吉, 弘亘; 品川, 政太朗; 櫻田, 健; 香川, 景一郎; 寺西, 信一; 加藤, 大晴, Joint work, Visual SLAM

  共立出版, May 2023

  Find Kyoto University's collection of books :

  
• コンピュータビジョン最前線 Spring 2022

  Joint work, ニュウモンVisual SLAM―CV界の総合格闘技に挑戦！

  共立出版, 10 Mar. 2022

  Find Kyoto University's collection of books :

  
• コンピュータビジョン : 広がる要素技術と応用

  米谷, 竜; 斎藤, 英雄; 池畑, 諭; 牛久, 祥孝; 内山, 英昭; 内海, ゆづ子; 小野, 峻佑; 片岡, 裕雄; 金崎, 朝子; 川西, 康友; 齋藤, 真樹; 櫻田, 健; 高橋, 康輔; 松井, 勇佑, Joint work, 多視点画像を用いた3 次元復元

  共立出版, Jun. 2018

  Find Kyoto University's collection of books :

  

Awards

• 25 Mar. 2009

  2008年度 武藤栄次賞優秀学生賞
• 16 Mar. 2016

  2016年度山下記念研究賞
• 12 Dec. 2017

  2017年度第34回井上研究奨励賞
• 08 Aug. 2018

  MIRUインタラクティブ発表賞
• 28 Jul. 2022

  MIRU優秀賞
• 30 Jul. 2015

  MIRUフロンティア賞
• 05 Nov. 2014

  Best Application Paper Honorable Mention Award
• 22 Dec. 2010

  Best Paper Award Finalist
• 25 Mar. 2011

  2010年度 東北大学大学院 情報科学研究科機械系優秀学生賞

External funds: Kakenhi

• 4D Earth Captioning

  Grant-in-Aid for Scientific Research (B)

  Basic Section 61010:Perceptual information processing-related

  National Institute of Advanced Industrial Science and Technology

  Ken Sakurada

  From 01 Apr. 2020, To 31 Mar. 2023, Project Closed

  画像説明文生成;変化検出;空間モデリング;変化説明文生成;視点;3Dキャプショニング;シーン変化;多視点;説明文生成;シーン認識;3Dモデリング;Visual SLAM;シーングラフ;プライバシー

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20H04217/
• 4D Visual SLAM

  Grant-in-Aid for Early-Career Scientists

  Basic Section 61010:Perceptual information processing-related

  National Institute of Advanced Industrial Science and Technology

  Ken Sakurada

  From 01 Apr. 2018, To 31 Mar. 2020, Project Closed

  SLAM;変化検出;深層学習;3Dモデリング;Visual SLAM;4D Visual SLAM

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18K18071/

Education

Teaching subject(s)

• From 01 Apr. 2025, To 31 Mar. 2026

  Algorithms and Data Structures

  6206, Spring, Faculty of Engineering, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Exercise of Computer Programming in Electrical and Electronic Engineering

  6062, Spring, Faculty of Engineering, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Computer Vision

  3175, Spring, Graduate School of Informatics, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Pattern Recognition, Adv.

  3165, Spring, Graduate School of Informatics, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Statistics and Artificial Intelligence

  N817, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Exercise of Computer Programming in Electrical and Electronic Engineering

  6062, Spring, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Algorithms and Data Structures

  6206, Spring, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Computer Vision

  3175, Spring, Graduate School of Informatics, 2