The results of our joint research with NHK on computer-generated holograms (Full-Color Transparent Hologram) will be exhibited at “STRL Open House 2026” (Open House of the NHK Science & Technology Research Laboratories), held from Thursday, May 28 to Sunday, May 31.
https://www.nhk.or.jp/strl/english/open2026/index.html#Frontier%20Science

We will present a mini‑exhibition of holograms and introduce our research on imaging technologies such as hyperspectral imaging at the “Suzukake Science Day,” which will be held on Saturday, May 16 and Sunday, May 17.
16 May (Sat) 10:00-16:00
17 May (Sun) 10:00-16:00
https://www.szc.titech.ac.jp/ssd/openlab/

Access
https://www.oid.ict.e.titech.ac.jp/wp/home_en/access/

Takumi Urata, Saori Takeyama, Fumikazu Kimura, et al., “Predicting DNA replication–related protein expression at the nucleus level from HE: A deep learning study with same-specimen paired data”, Acta Histochemica, Volume 128, Issue 2, 2026, 152334, (https://doi.org/10.1016/j.acthis.2026.152334) has been published.

Fulin Xiang, Kazuya Hashimoto, Ryo Higashida, et al., “Angular-multiplexed animated computer generated holograms calculation method in hardcopy”, Optics Communications, Volume 611, August 2026, 133165, (https://doi.org/10.1016/j.optcom.2026.133165) has been published.

Nanxin Gong, Saori Takeyama, Masahiro Yamaguchi, et al., “Papanicolaou stain unmixing for RGB image using weighted nucleus sparsity and total variation regularization” , Medical & Biological Engineering & Computing (2025), (https://doi.org/10.1007/s11517-025-03490-z) has been published.

Gen Takagi, Saori Takeyama, Tokiya Abe, et al., “Quantification-based explainable artificial intelligence for deep learning decisions: clustering and visualization of quantitative morphometric features in hepatocellular carcinoma discrimination” , Journal of Medical Imaging, Volume 12, Issue 6, 061407 (2025), (https://doi.org/10.1117/1.JMI.12.6.061407) has been published.

LI WENLIN(M2 at the time) received the ICT Outstanding Student Award (Masters) in September 2025.
https://educ.titech.ac.jp/ict/news/2025_10/068338.html

Hologram mini-exhibition and lab open house at “Suzukake Science Day.”
17 May (Sat) 10:00-16:00
18 May (Sun) 10:00-16:00
https://www.szc.titech.ac.jp/ssd/openlab/

Access
https://www.oid.ict.e.titech.ac.jp/wp/home_en/access/

Takumi Urata, Fumikazu Kimura, Kengo Ohshima, et al., “Immunohistochemistry and machine learning study of DNA replication-associated proteins in uterine epithelial tumors and precursor lesions”, Acta Histochemica, Volume 127, Issue 2, June 2025, 1522511 (https://doi.org/10.1016/j.acthis.2025.152251) has been published.

Saori Takeyama, Tomoaki Watanabe, Nanxin Gong, et al., “Dye amount quantification of Papanicolaou-stained cytological images by multispectral unmixing: spectral analysis of cytoplasmic mucin”, Journal of Medical Imaging, Vol. 12, Issue 1, 047501 (https://doi.org/10.1117/1.JMI.12.1.017501) has been published.

A paper co-authored by Yamaguchi; Ryo Higashida, Masato Miura, Teruyoshi Nobukawa, Yuta Yamaguchi, Ken-ichi Aoshima, Nobuhiko Funabashi, and Masahiro Yamaguchi, “High-étendue multilevel surface-relief computer-generated hologram printing”, Optics Express, Vol. 32, Issue 25, 44742-44753 (2024) (https://doi.org/10.1364/OE.542238) has been published.

Cunyuan Ji, Kengo Oshima, Takumi Urata, et al., “Transformation from hematoxylin-and-eosin staining to Ki-67 immunohistochemistry digital staining images using deep learning: experimental validation on the labeling index”, Journal of Medical Imaging, Vol. 11, Issue 4, 047501 (https://doi.org/10.1117/1.JMI.11.4.047501) has been published.

Hologram mini-exhibition and lab open house at “Suzukake Science Day.”
11 May (Sat) 10:00-16:00
12 May (Sun) 10:00-16:00
https://www.szc.titech.ac.jp/ssd/openlab/

Access
https://www.oid.ict.e.titech.ac.jp/wp/home_en/access/

Chie Ohnishi, Takashi Ohnishi,  Kareem Ibrahim et al.,  “Color Standardization and Stain Intensity Calibration for Whole Slide Image-Based Immunohistochemistry Assessment”, Microscopy and Microanalysis, 2023, ozad136  (https://doi.org/10.1093/micmic/ozad136) has been published.

Gong Nanxin, D2 student, received the OSJ/Optica Student Award at Optics & Photonics Japan 2023.
Title: Papanicolaou stain unmixing for RGB image using sparsity and total variation regularized optimization

Chie Ohnishi, Takashi Ohnishi, Peter Ntiamoah et al.,  “Standardizing HER2 immunohistochemistry assessment: calibration of color and intensity variation in whole slide imaging caused by staining and scanning”, Applied Microscopy, Vol. 53, Article number: 8 (2023)  (https://doi.org/10.1186/s42649-023-00091-8) has been published.

May 13, 14
Hologram mini-exhibition and lab open house at “Suzukake Science Day.”
https://www.szc.titech.ac.jp/ssd/openlab/

Tokyo Tech website has published an article introducing our laboratory.
https://www.titech.ac.jp/english/public-relations/prospective-students/first-step/yamaguchi-lab

We will hold a seminar. The topics will include applications of color science and spectral imaging technology. The seminar is open to anyone related to Tokyo Tech; please feel free to attend. No prior registration is required.
→OIDG seminar April 2023

Xiao Chen, Xiuxi Pan, Tomoya Nakamura, et al.,  “Wave-optics-based image synthesis for super resolution reconstruction of a FZA lensless camera”,  Optics Express, Vol. 31, Issue 8, pp. 12739-12755 (2023) (https://doi.org/10.1364/OE.480552) has been published.