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Hiroaki Santo
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Hiroaki Santo
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  • Publications
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    • Publications
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Publications

Google Scholar / GitHub / LinkedIn / Researchmap / ORCiD

Journal

  1. Xinpeng Liu, Hiroaki Santo, Yosuke Toda, Fumio Okura: "PlantPose: Universal Plant Skeleton Estimation via Tree-constrained Graph Generation," International Journal of Computer Vision (IJCV), 2026.  [project page]

  2. Ryota Fujii, Akichika Nakashima, Hiroaki Santo, Toshiyasu Kinari, Fumio Okura: "Empirical hyperelastic modeling of textile fabrics for measuring nonlinear bending rigidity," Engineering with Computers, Vol. 42, Article 107, 10.1007/s00366-026-02343-z, May 2026. 

  3. Lilika Makabe, Kohei Ashida, Hiroaki Santo, Fumio Okura, Yasuyuki Matsushita: "DP-SfM: Dual-pixel structure-from-motion without scale ambiguity," IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 10.1109/TPAMI.2026.3690655, May 2026. [arXiv] [project page]

  4. Weng Ian Chan, Hiroaki Santo, Yasuyuki Matsushita, and Fumio Okura: "Instance-wise distribution control of text-to-image diffusion models," Pattern Recognition, Vol. 172, p. 112614, Apr. 2026. [paper]

  5. Yang Yang, Ren Nakagawa, Risa Shinoda, Hiroaki Santo, Kenji Oyama, Takenao Ohkawa, Fumio Okura: "Talking with Actionbits—A Part-Enhanced VLM for Action and Interaction Recognition in Animals," Sensors, Mar. 2026.

  6. Naoki Asada, Xinpeng Liu, Kanyu Xu, Ryohei Miyakawa, Yang Yang, Hiroaki Santo, Yosuke Toda, and Fumio Okura: "LeafGen: Structure-aware Leaf Image Generation for Annotation-free Leaf Instance Segmentation," Plant Phenomics, Vol. 7, No. 4, pp. 100092-100092, Dec. 2025. [paper]

  7. Xinpeng Liu, Kanyu Xu, Risa Shinoda, Hiroaki Santo, Fumio Okura: "Masks-to-Skeleton: Multi-View Mask-Based Tree Skeleton Extraction with 3D Gaussian Splatting," Sensors, July 2025.

  8. Qingwen Chen, Takeshi Yamada, Hiroaki Santo, Eitaro Murakami, Asako Murata, Yasuyuki Matsushita, and Kazuhiko Nakatani: "Clustering on Surface Plasmon Resonance Profiles to Improve Hit Assignment of Small Molecules Targeting CAG Repeat DNA," Advanced Intelligent Discovery, Vol. 1, 1:e2400020, Jan. 2025. [paper]

  9. Hiroaki Santo, Masaki Samejima, Yusuke Sugano, Boxin Shi,  and Yasuyuki Matsushita: "Deep Photometric Stereo Networks for Determining Surface Normal and Reflectances," IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), Vol. 44, No. 1, pp. 114-128, Jun. 2020. [paper]

  10. Hiroaki Santo, Michael Waechter, Wen-Yan Lin, Yusuke Sugano, and Yasuyuki Matsushita: "Light structure from pin motion: Geometric point light source calibration," International Journal of Computer Vision (IJCV), Vol. 128, No. 7, pp. 1889-1912, Feb. 2020. [paper]

  11. Hiroaki Santo, Masaki Samejima, and Yasuyuki Matsushita: "Numerical shape-from-shading revisited," Information Processing Society of Japan (IPSJ) Transactions on Computer Vision and Applications (CVA), Vol. 10, No. 1, pp. 8-20, Jun. 2018. [paper]

  12. 山藤 浩明, 前川 卓也, 松下 康之: "赤外光の再帰性反射を用いたプライバシに配慮したデバイスフリー屋内位置推定," 情報処理学会論文誌ジャーナル, Vol. 59, No. 1, pp. 124-137, 2018年1月. <特選論文> [paper]

International Conference

  1. Risa Shinoda, Kaede Shiohara, Nakamasa Inoue, Kuniaki Saito, Hiroaki Santo, Fumio Okura: "BioVITA: Biological Dataset, Model, and Benchmark for Visual-Textual-Acoustic Alignment," In Proc. of IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (Jun., 2026), Forthcoming. 

  2. Risa Shinoda, Kaede Shiohara, Nakamasa Inoue, Hiroaki Santo, Fumio Okura: "AnimalCLAP: Taxonomy-Aware Language-Audio Pretraining for Species Recognition and Trait Inference," In Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (May, 2026). 

  3. Junhao Xing, Ryohei Miyakawa, Yang Yang, Xinpeng Liu, Risa Shinoda, Hiroaki Santo, Yosuke Toda, Fumio Okura: "Zero-shot Hierarchical Plant Segmentation via Foundation Segmentation Models and Text-to-Image Attention," In Proc. of IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) (Mar., 2026). 

  4. Ren Nakagawa, Yang Yang, Risa Shinoda, Hiroaki Santo, Kenji Oyama, Fumio Okura, Takenao Ohkawa: "Interaction-via-Actions: Cattle Interaction Detection with Joint Learning of Action-Interaction Latent Space," In Proc. of IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) (Mar., 2026). 

  5. Lilika Makabe, Hiroaki Santo, Fumio Okura, Michael S. Brown, Yasuyuki Matsushita: "Spectral Sensitivity Estimation with an Uncalibrated Diffraction Grating," In Proc. of IEEE/CVF International Conference on Computer Vision (ICCV) (Oct., 2025).  <Acceptance rate = 2699/11239=24%> [preprint] [project page]

  6. Yang Yang, Mao Dongni, Hiroaki Santo, Yasuyuki Matsushita, Fumio Okura: "NeuraLeaf: Neural Parametric Leaf Models with Shape and Deformation Disentanglement," In Proc. of IEEE/CVF International Conference on Computer Vision (ICCV) (Oct., 2025).  <Acceptance rate = 2699/11239=24%> [preprint] [project page]

  7. Xinpeng Liu, Hiroaki Santo, Yosuke Toda, Fumio Okura: "TreeFormer: Single-view Plant Skeleton Estimation via Tree-constrained Graph Generation," In Proc. of IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) (Feb., 2025).  [preprint] [project page]

  8. Takuto Narumoto, Hiroaki Santo, Fumio Okura: "Synthesizing Time-varying BRDFs via Latent Space," In Proc. of European Conference on Computer Vision (ECCV) (Oct., 2024). <Acceptance rate = 2395/8585=27%> [paper] [project page]

  9. Kohei Ashida, Hiroaki Santo, Fumio Okura, Yasuyuki Matsushita: "Resolving Scale Ambiguity in Multi-view 3D Reconstruction using Dual-pixel Sensors," In Proc. of European Conference on Computer Vision (ECCV) (Oct., 2024). <Acceptance rate = 2395/8585=27%> [paper] [project page]

  10. Siwei Zhou, Youngha Chang, Nobuhiko Mukai, Hiroaki Santo, Fumio Okura, Yasuyuki Matsushita, Shuang Zhao: "Path-Space Differentiable Rendering of Implicit Surfaces," In Proc. of Special Interest Group on Computer Graphics and Interactive Techniques (SIGGRAPH) (July, 2024). <Acceptance rate = 252/844=29%> [paper] 

  11. Hiroaki Santo, Fumio Okura, Yasuyuki Matsushita: "MVCPS-NeuS: Multi-view Constrained Photometric Stereo for Neural Surface Reconstruction," In Proc. of  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (June, 2024). <Acceptance rate = 2716/11532=23%> [paper] [project page]

  12. Yufei Han, Heng Guo, Koki Fukai, Hiroaki Santo, Boxin Shi, Fumio Okura, Zhanyu Ma, Yunpeng Jia "NeRSP: Neural 3D Reconstruction for Reflective Objects with Sparse Polarized Images," In Proc. of  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (June, 2024). <Acceptance rate = 2716/11532=23%> [paper] [project page]

  13. Feiran Li, Heng Guo, Hiroaki Santo, Fumio Okura, Yasuyuki Matsushita: "Learning to Synthesize Photorealistic Dual-pixel Images from RGBD Frames," In Proc. of  IEEE International Conference on Computational Photography (ICCP) (July, 2023). [project page]

  14. Lilika Makabe, Heng Guo, Hiroaki Santo, Fumio Okura, Yasuyuki Matsushita: "Near-light Photometric Stereo with Symmetric Lights," In Proc. of  IEEE International Conference on Computational Photography (ICCP) (July, 2023). [paper]

  15. Xu Cao, Hiroaki Santo, Fumio Okura, Yasuyuki Matsushita: "Multi-View Azimuth Stereo via Tangent Space Consistency,"  In Proc. of  IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (June, 2023). <Acceptance rate = 2357/9155=25%> [project page]

  16. Xu Cao, Hiroaki Santo, Boxin Shi, Fumio Okura, and Yasuyuki Matsushita: "Bilateral Normal Integration," In Proc. of  European Conference on Computer Vision (ECCV), Tel Aviv, Israel (Oct. 2022). <Acceptance rate = 1645/6733=24%> [project page]

  17. Kazuma Minami, Hiroaki Santo, Fumio Okura, and Yasuyuki Matsushita: "Symmetric-light Photometric Stereo," In Proc. of IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) (Jan. 2022). <Acceptance rate = 406/1164=35%>

  18. Lilika Makabe, Hiroaki Santo, Fumio Okura, and Yasuyuki Matsushita: "Shape-coded ArUco: Fiducial marker for bridging 2D and 3D modalities," In Proc. of IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) (Jan. 2022). <Acceptance rate = 406/1164=35%> [project page]

  19. Hiroaki Santo, Michael Waechter, and Yasuyuki Matsushita: "Deep near-light photometric stereo for spatially varying reflectances," In Proc. of European Conference on Computer Vision (ECCV), Glasgow, Scotland (Aug. 2020). <Acceptance rate = 1360/5150 = 26.4%> [paper][project page]

  20. Hiroaki Santo, Michael Waechter, Masaki Samejima, Yusuke Sugano, and Yasuyuki Matsushita: "Light Structure from Pin Motion: Simple and Accurate Point Light Calibration for Physics-based Modeling", In Proc. of European Conference on Computer Vision (ECCV), Munich, Germany (Sep. 2018). <Oral, Acceptance rate = 59/2439 = 2.4%> [paper] [preprint] [project page]

  21. Hiroaki Santo, Takuya Maekawa, and Yasuyuki Matsushita: Device-free and Privacy Preserving Indoor Positioning using Infrared Retro-reflection Imaging, In Proc. of IEEE International Conference on Pervasive Computing and Communications (PerCom), Kona, HI, USA (Mar. 2017). <Oral, Acceptance rate = 28/194 = 14.4%> [paper]

International Workshop (Peer-reviewed)

  1. Hiroaki Santo, Masaki Samejima, Yusuke Sugano, Boxin Shi, and Yasuyuki Matsushita: Deep photometric stereo network, International Workshop on Physics Based Vision meets Deep Learning (PBDL) in Conjunction with IEEE International Conference on Computer Vision (ICCV), Venice, Italy (Oct. 2017). <Workshop Best Paper> [paper] [project page]

Book

  1. 藤吉 弘亘 編, 延原 章平 編, 千葉 直也 著, 齋藤 隼介 著, 山藤 浩明 著, 菅沼 雅徳 著: "CVIMチュートリアル2," 共立出版 2024年5月 (ISBN: 9784320126022) [Amazon]

  2. 井尻 善久 編, 牛久 祥孝 編, 片岡 裕雄 編, 藤吉 弘亘 編, 山藤 浩明 分担執筆: "コンピュータビジョン最前線 Summer 2023," 共立出版 2023年6月 (ISBN: 9784320125483) [Amazon]

Invited Talk

  1. 山藤 浩明, 大倉 史生, 松下 康之: カメラと光源の相対位置を固定した多視点照度差ステレオによるニューラル3次元形状復元 (トップカンファレンスセッション), 第23回情報科学技術フォーラム (2024年9月)

  2. 山藤 浩明: 高精細3次元計測のためのデータ駆動型「深層照度差ステレオ」入門 (チュートリアル講演), 第232回CVIM研究会 (2023年1月)

  3. 山藤 浩明, Michael Waechter, 鮫島 正樹, 菅野 裕介, 松下 康之: Light Structure from Pin Motion: Simple and Accurate Point Light Calibration for Physics-based Modeling, 第22回画像の認識・理解シンポジウム (2019年8月)

Awards

  1. 山藤 浩明: 嵩賞, 「光を用いた高精細な3次元形状復元」, 大阪大学 情報科学研究科/基礎工学研究科 (2022年3月)

  2. 山藤 浩明: 井上研究奨励賞, 「深層照度差ステレオによる高精細な3次元形状復元」, 井上科学振興財団 (2022年2月)

  3. Hiroaki Santo: Award of Excellence for Stars of Tomorrow Internship Program, Microsoft Research Asia (Mar. 2019)

  4. 山藤 浩明, 鮫島 正樹, 菅野 裕介, Boxin Shi, 松下 康之: MIRUインタラクティブ発表賞 (Best Poster Award), 第21回画像の認識・理解シンポジウム (Meeting on Image Recognition and Understanding; MIRU), 「深層学習を用いた照度差ステレオ法に関する検討」 (2018年8月)

  5. 山藤 浩明: 大阪大学情報科学研究科賞 (Best Master Thesis Award, Graduate School of Information Science and Technology, Osaka University)(2018年3月)

  6. 山藤 浩明, 前川 卓也, 松下 康之: 情報処理学会論文誌ジャーナル特選論文賞 (IPSJ Journal Specially-Selected Paper Award), 「赤外光の再帰性反射を用いたプライバシに配慮したデバイスフリー屋内位置推定 (Device-free and Privacy Preserving Indoor Positioning with Infrared Retro-reflection)」(2018年1月)

  7. Hiroaki Santo, Masaki Samejima, Yusuke Sugano, Boxin Shi, and Yasuyuki Matsushita: Best Paper Award, International Workshop on Physics Based Vision meets Deep Learning (PBDL) in Conjunction with International Conference on Computer Vision (Oct. 2017)

  8.  山藤 浩明, 前川 卓也, 松下 康之: 国際発表奨励賞, 情報処理学会第48回および第50回ユビキタスコンピューティングシステム研究会(2017年5月)

  9. 山藤 浩明: 大阪大学工学賞 (Best Student Award, School of Engineering, Osaka University)(2016年3月)


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