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Cell imaging

Cell image analysis and generation

We study cell location, morphology, and dynamics in microscopy images through segmentation, tracking, and image generation.

Selected Papers

Selected papers

Selected BMVC 2026 · Single-cell image generation

Rethinking Microscopy Generation: Co-Designed Diffusion for Biologically Interpretable Single-Cell Synthesis

ISBI 2026 · Best Paper Runners-Up

Bridging the Density Gap: Diffusion Model for Stepwise Generation of Dense Cell Images from Sparse Data

Fig. 1 · Synapse distribution in a single cell
Fig. 1 · Synapse distribution in a single cell · Source: paper PDF ↗
Selected Nature Comunications, 16, 9705, 2025.

Single-cell synaptome mapping of endogenous protein subpopulations in mammalian brain

Motokazu Uchigashima, Risa Iguchi, Kazuma Fujii, Kaito Shiku, Ryoma Bise, et. al.,

Chemical tags visualize proteins across synapses of an individual neuron.

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Fig. 1 · Multiplexed imaging with erasable fluorescence
Fig. 1 · Multiplexed imaging with erasable fluorescence · Source: paper PDF ↗
Selected Nature communications. 15, 1, 3657, 2024. (IF:17.7)

Precise immunofluorescence canceling for highly multiplexed imaging to capture specific cell states

Kosuke Tomimatsu, Takeru Fujii, Ryoma Bise, Kazufumi Hosoda, Yosuke Taniguchi, Hiroshi Ochiai, Hiroaki Ohishi, Kanta Ando, Ryoma Minami, Kaori Tanaka, Taro Tachibana, Seiichi Mori, Akihito Harada, Kazumitsu Maehara, Masao Nagasaki, Seiichi Uchida, Hiroshi Kimura, Masashi Narita, and Yasuyuki Ohkawa

Sequential fluorescence removal enables repeated staining of the same cells.

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Figs. 1–2 · Partial annotations and reversed frame order
Figs. 1–2 · Partial annotations and reversed frame order · Source: paper PDF ↗
Selected International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2023), 2023,(top

Mitosis Detection from Partial Annotation by Dataset Generation via Frame-Order Flipping

Kazuya Nishimura, Ami Katanaya, Shinichiro Chuma, and Ryoma Bise

Reversing cell image sequences helps detect mitosis from limited annotations.

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Selected Winter Conference on Applications of Computer Vision 2023 (WACV2023),2023. (accepted)

Multi-Frame Attention with Feature-Level Warping for Drone Crowd Tracking

Takanori Asanomi, Kazuya Nishimura, and Ryoma Bise

Selected Winter Conference on Applications of Computer Vision 2023 (WACV2023),2023. (accepted)

Weakly Supervised Cell-Instance Segmentation with Two Types of Weak Labels by Single Instance Pasting

Kazuya Nishimura, and Ryoma Bise

Selected IEEE/CVF Winter Conference on Applications of Computer Vision, pp.1727-1736, 2022

Consistent Cell Tracking in Multi-Frames With Spatio-Temporal Context by Object-Level Warping Loss

J Hayashida, K Nishimura, R Bise

Selected Medical Image Analysis, vol.73, 102182, https://doi.org/10.1016/j.media.2021.102182, 2021, October (top journa

Weakly Supervised Cell Instance Segmentation Under Various Conditions

K Nishimura, C Wang, K Watanabe, R Bise

Fig. 2 · Cell detection using temporal consistency
Fig. 2 · Cell detection using temporal consistency · Source: paper PDF ↗
Selected International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2021), 2021, (ac

Semi-supervised Cell Detection in Time-lapse Images Using Temporal Consistency

Kazuya Nishimura, Hyeonwoo Cho, and Ryoma Bise

Temporal consistency between microscopy frames supports detection with few labels.

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Fig. 1 · Pseudo-label selection from incomplete annotations
Fig. 1 · Pseudo-label selection from incomplete annotations · Source: paper PDF ↗
Selected International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2021), 2021, (ac

Cell Detection from Imperfect Annotation by Pseudo Label Selection Using P-classification

Kazuma Fujii, Daiki Suehiro, Kazuya Nishimura, and Ryoma Bise

Unannotated cells are selected as pseudo-labels to train a detector.

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Selected International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2020), 2020, (ac

Imaging Scattering Characteristics of Tissue in Transmitted Microscopy

M. Shimano, Y. Asano, S. Ishihara, R. Bise, and I. Sato

Fig. 1 · Joint representation of cell position and motion
Fig. 1 · Joint representation of cell position and motion · Source: paper PDF ↗
Selected IEEE CVPR, 2020. (oral, Top Conference in Computer Vision, acceptance rate:22%) [pdf]

MPM: Joint Representation of Motion and Position Map for Cell Tracking

J. Hayashida, K. Nishimura and R. Bise

One map jointly represents cell positions and motion between frames.

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Fig. 1 · Cell segmentation from detection responses
Fig. 1 · Cell segmentation from detection responses · Source: paper PDF ↗
Selected International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2019), 2019, (to

Weakly Supervised Cell Segmentation in Dense by Propagating from Detection Map

K. Nishimura, E.D. Ker, and R. Bise

Weak cell-position labels guide instance segmentation in dense images.

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Cell tracking · Figure from original research page
Cell tracking · Figure from original research page · Source: original research page ↗
Selected International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2019), 2019,(top

Cell Tracking with Deep Learning for Cell Detection and Motion Estimation in Low-Frame-Rate

J. Hayashida, and R. Bise

Cell detection and motion estimation are combined to track cells in low frame rate images.

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Selected International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2016), pp.702-71

Separation of Transmitted Light and Scattering Components in Transmitted Microscopy

M. Shimano, R. Bise, Y. Zheng, and I. Sato

Publications

Related publications

  1. Rethinking Microscopy Generation: Co-Designed Diffusion for Biologically Interpretable Single-Cell Synthesis
    Shumpei Takezaki, Duway Nicolas Lesmes-Leon, Ryoma Bise, Gillian Lovell, Bianca Migliori, Andreas Dengel, and Sheraz Ahmed · British Machine Vision Conference (BMVC), 2026.
  2. Hayato Inoue, Shota Harada, Shumpei Takezaki, and Ryoma Bise · International Joint Conference on Neural Networks (IJCNN), 2026.
  3. Bridging the Density Gap: Diffusion Model for Stepwise Generation of Dense Cell Images from Sparse Data
    Masashi Tahara, Kazuya Nishimura, Shumpei Takezaki, and Ryoma Bise · IEEE 23rd International Symposium on Biomedical Imaging (ISBI), 2026. (Best Paper Runners-Up Award)
  4. Motokazu Uchigashima, Risa Iguchi, Kazuma Fujii, Kaito Shiku, Ryoma Bise, et. al., · Nature Comunications, 16, 9705, 2025.
  5. Shumpei Takezaki, Ryoma Bise, Shinnosuke Matsuo · International Conference on Computer Vision Workshop LIMIT (ICCVW), 2025.
  6. Label-free live cell recognition and tracking for biological discoveries and translational applications
    Biqi Chen, Zi Yin, Billy Wai-Lung Ng, Dan Michelle Wang, Rocky S Tuan, Ryoma Bise, and Dai Fei Elmer Ker · npj Imaging, 2, 41, 2024.
  7. Kosuke Tomimatsu, Takeru Fujii, Ryoma Bise, Kazufumi Hosoda, Yosuke Taniguchi, Hiroshi Ochiai, Hiroaki Ohishi, Kanta Ando, Ryoma Minami, Kaori Tanaka, Taro Tachibana, Seiichi Mori, Akihito Harada, Kazumitsu Maehara, Masao Nagasaki, Seiichi Uchida, Hiroshi Kimura, Masashi Narita, and Yasuyuki Ohkawa · Nature communications. 15, 1, 3657, 2024. (IF:17.7)
  8. Analysis of optical absorption of photoaged human skin using a high-frequency illumination microscopy analysis system
    Yuki Ogura, Mihoko Shimano, Ryoma Bise, Toyonobu Yamashita, Chika Katagiri, and Imari Sato · Experimental Dermatology, 32, 9, pp.1402-1411, 2023. (IF:3.6)
  9. Kazuya Nishimura, Ami Katanaya, Shinichiro Chuma, and Ryoma Bise · International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2023), 2023,(top conference in medial image analysis)
  10. Kaito Shiku, Hiromitsu Shirai, Takeshi Ishihara, and Ryoma Bise · International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC),2023
  11. Multi-Frame Attention with Feature-Level Warping for Drone Crowd Tracking
    Takanori Asanomi, Kazuya Nishimura, and Ryoma Bise · Winter Conference on Applications of Computer Vision 2023 (WACV2023),2023. (accepted)
  12. Weakly Supervised Cell-Instance Segmentation with Two Types of Weak Labels by Single Instance Pasting
    Kazuya Nishimura, and Ryoma Bise · Winter Conference on Applications of Computer Vision 2023 (WACV2023),2023. (accepted)
  13. Multi-Class Cell Detection Using Modified Self-Attention
    T Sugimoto, H Ito, Y Teramoto, A Yoshizawa and R Bise · CVPR Workshop, Computer Vision for Microscopy Image Analysis (CVMI), 2022
  14. Consistent Cell Tracking in Multi-Frames With Spatio-Temporal Context by Object-Level Warping Loss
    J Hayashida, K Nishimura, R Bise · IEEE/CVF Winter Conference on Applications of Computer Vision, pp.1727-1736, 2022
  15. Weakly Supervised Cell Instance Segmentation Under Various Conditions
    K Nishimura, C Wang, K Watanabe, R Bise · Medical Image Analysis, vol.73, 102182, https://doi.org/10.1016/j.media.2021.102182, 2021, October (top journal in medicalImage analysis, IF:11.148)
  16. Kazuya Nishimura, Hyeonwoo Cho, and Ryoma Bise · International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2021), 2021, (accepted, top conference in medial image analysis)
  17. Kazuma Fujii, Daiki Suehiro, Kazuya Nishimura, and Ryoma Bise · International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2021), 2021, (accepted, top conference in medial image analysis)
  18. Light‐sheet microscopy‐based 3D single‐cell tracking reveals a correlation between cell cycle and the start of endoderm cell internalization in early zebrafish development
    Akiko Kondow, Kiyoshi Ohnuma, Yasuhiro Kamei, Atsushi Taniguchi, Ryoma Bise, Yoichi Sato, Hisateru Yamaguchi, Shigenori Nonaka, and Keiichiro Hashimoto · Development, Growth and Differentiation, vol.62(7), pp.495--502, https://doi.org/10.1111/dgd.12695, 2020, November, (IF:1.723)
  19. K. Nishimura, J. Hayashida, C. Wang, D.F.E. Ker, and R. Bise · 16th European Conference on Computer Vision (ECCV2020) 2020, (accepted, Top Conference in Computer Vision, acceptance rate:27%)
  20. Imaging Scattering Characteristics of Tissue in Transmitted Microscopy
    M. Shimano, Y. Asano, S. Ishihara, R. Bise, and I. Sato · International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2020), 2020, (accepted, top conference in medial image analysis)
  21. Spatial-Temporal Mitosis Detection in Phase-Contrast Microscopy Via Likelihood Map Estimation by 3DCNN
    K. Nishimura and R. Bise · Proceedings of 42st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2020. [pdf]
  22. J. Hayashida, K. Nishimura and R. Bise · IEEE CVPR, 2020. (oral, Top Conference in Computer Vision, acceptance rate:22%) [pdf]
  23. K. Nishimura, E.D. Ker, and R. Bise · International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2019), 2019, (top conference in medial image analysis, early acceptance rate:16%)
  24. J. Hayashida, and R. Bise · International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2019), 2019,(top conference in medial image analysis, early acceptance rate:16%)
  25. Phase Contrast Time-Lapse Microscopy Datasets with Automated and Manual Cell Tracking Annotations
    E. Ker, S. Eom, S. Sanami, R. Bise, et. al. · Scientific Data, doi: 10.1038/sdata.2018.237, 2019. (IF:5.305)
  26. Separation of Transmitted Light and Scattering Components in Transmitted Microscopy
    M. Shimano, R. Bise, Y. Zheng, and I. Sato · International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI2016), pp.702-710, 2017,(top conference in medial image analysis, acceptance rate:33%)
  27. Cell Detection Method from Redundant Candidates under the Non-Overlapping Constraints
    R. Bise and Y. Sato · IEEE Trans. on Medical Imaging, 34(7), pp.1417-1427, 2015. (IF:3.799)
  28. Cell Tracking Under High Confluency Conditions by Candidate Cell Region Detection Based Association Approach
    R. Bise, Y. Maeda, M.H. Kim, and M. Kino-oka · Proceedings of BioMed 2013(oral)
  29. Mechanical characterization of adult stem cells from bone marrow and perivascular niches
    AJS. Ribeiro, S. Tottey, RWE. Taylor, R. Bise, T. Kanade, SF. Badylak, and KN. Dahl, · Journal of biomechanics, 45(7), pp.1280-1287, 2012. (IF:2.496)
  30. Automated Mitosis Detection of Stem Cell Populations in Phase-Contrast Microscopy Images
    S. Huh, E. Ker, R. Bise, M. Chen, and T. Kanade · IEEE Trans. Med. Imaging, 30(3),pp.586-596, 2011 (IF:3.799)
  31. Automatic Cell Tracking Applied to Analysis of Cell Migration in Wound Healing Assay
    R. Bise, T. Kanade, Z. Yin, and S. Huh · Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), pp.6174-6179, 2011(oral)
  32. Reliable Cell Tracking by Global Data Association Proceedings of IEEE International Symposium on Biomedical Imaging (ISBI)
    R. Bise, Z. Yin, and T. Kanade · pp.1004-1010, 2011.(oral,acceptance rate < 18%)
  33. Mitosis Detection for Stem Cell Tracking in Phase-Contrast Microscopy Images Proceedings of the IEEE International Symposium on Biomedical Imaging (ISBI)
    S. Huh, S. Eom, R. Bise, Z. Yin, and T. Kanade · pages 2121-2127, 2011
  34. Cell Image Analysis: Algorithms, System and Applications Proceedings of IEEE Winter Conference on Applications of Computer Vision (WACV)
    T. Kanade, Z. Yin, R. Bise, S. Huh, S. Eom, M. Sandbothe and M. Chen · pp.374-381, 2011
  35. Detection of Hematopoietic Stem Cells in Microscopy Images Using a Bank of Ring Filters Proceedings of the IEEE International Symposium on Biomedical Imaging (ISBI)
    S. Eom, R. Bise, and T. Kanade · pp.137-140, 2010
  36. Cell Segmentation in Microscopy Imagery Using a Bag of Local Bayesian Classifiers Proceedings of the IEEE International Symposium on Biomedical Imaging (ISBI)
    Z. Yin, R. Bise, M. Chen, and T. Kanade · pp.125-128, 2010
  37. Reliably Tracking Partially Overlapping Neural Stem Cells in DIC Microscopy Image Sequences Proceedings of MICCAI Workshop on OPTMHisE
    R. Bise, K. Li, S. Eom, and T. Kanade · pp.67-77, 2009
  38. An engineered approach to stem cell culture: automating the decision process for real-time adaptive subculture of stem cells
    D.F.E. Ker, L.E Weiss, S.N Junkers, M. Chen, Z. Yin, M.F. Sandbothe, S. Huh, S. Eom, R. Bise, E. Osuna-Highley, T. Kanade, and P.G Campbell · PloS one 6 (11), e27672. (IF:3.534)
  39. BTracking of hematopoietic stem cells in microscopy images for lineage determination
    S. Eom, S. Huh, D. F. E. Ker, R. Bise, and T. Kanade · IEEE Trans. Biomedical engineering, (accepted,IF:2.233)

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