Publications

[18] Takuma Morimoto, “Mechnaisms of human color constancy underpinning stable visual perception”, Oyo Butsuri, (in press) [Invited]

[17] Takuma Morimoto, Arash Akbarinia, Katherine Storrs, Jacob R. Cheeseman, Hannah E. Smithson, Karl R. Gegenfurtner and Roland W. Fleming, “Color and gloss constancy under diverse lighting environments”. Journal of Vision, 23(7):8, (2023). https://doi.org/10.1167/jov.23.7.8

[16] Li Shiwen, Takuma Morimoto, Julie M. Harris, and Hannah E. Smithson, “Task-dependent extraction of information from videos of iridescent and glossy samples”. Journal of the Optical Society of America A, 40, A160-A168 (2023). https://doi.org/10.1364/JOSAA.479795

[15] Samuel Ponting*, Takuma Morimoto*, Hannah E. Smithson, “Modelling surface color discrimination under different lighting environments using image chromatic statistics and convolutional neural networks”, Journal of the Optical Society of America A, 40, A149-A159 (2023) https://doi.org/10.1364/JOSAA.479986 *co-first author

[14] Takuma Morimoto, Yasuki Yamauchi, and Keiji Uchikawa, “Invariant categorical color regions across illuminant change coincide with focal colors”, Journal of Vision, 23(2):7, 1–19. (2023) https://doi.org/10.1167/jov.23.2.7 

[13] Takuma Morimoto, Cong Zhang, Kazuho Fukuda, and Keiji Uchikawa, “Spectral measurement of daylights and surface properties of natural objects in Japan”, Optics Express, 30, 3183-3204 (2022). https://doi.org/10.1364/OE.441063, associated dataset: https://doi.org/10.5281/zenodo.5189606

[12] Takuma Morimoto, Ai Numata, Kazuho Fukuda and Keiji Uchikawa, “Luminosity thresholds of colored surfaces are determined by their upper-limit luminances empirically internalized in the visual system,” Journal of Vision, 21(13), 3, 1-23 (2021). https://doi.org/10.1167/jov.21.13.3

[11] Takuma Morimoto, Takahiro Kusuyama, Kazuho Fukuda, and Keiji Uchikawa, “Human color constancy based on the geometry of color distributions,” Journal of Vision, 21(3), 7, 1-28 (2021). https://doi.org/10.1167/jov.21.3.7

[10] Takuma Morimoto, Kazuho Fukuda, and Keiji Uchikawa, “Explaining #theShoe based on the optimal color hypothesis: The role of chromaticity vs. luminance distribution in an ambiguous image,” Vision Research, 178, 117-123 (2021). https://doi.org/10.1016/j.visres.2020.10.007

[9] Takuma Morimoto, Sho Kishigami, João M.M. Linhares, Sérgio M.C. Nascimento, and Hannah E. Smithson, “Hyperspectral environmental illumination maps: characterizing directional spectral variation in natural environments," Optics Express, 27, 22, 32277 - 32293. (2019). https://doi.org/10.1364/OE.27.032277  *Editor's pick

[8] Joshua Harvey, Takuma Morimoto, and Manuel Spitschan, “The neon fruit illusion: a fresh recipe for colour science demonstrations”, Perception,1-6. (2019). https://doi.org/10.1177/0301006618824484

[7] Takuma Morimoto, and Hannah E. Smithson, “Discrimination of spectral reflectance under complex environmental illumination,” Journal of the Optical Society of America A, 35, 4, B244-B255 (2018). https://doi.org/10.1364/JOSAA.35.00B244

[6] Takuma Morimoto, Yoko Mizokami, Hirohisa Yaguchi, and Steven L. Buck, “Color constancy in 2-D and 3-D scenes: Effects of viewing methods and surface texture,” i-Perception, 8, 6, 1-20 (2017). https://doi.org/10.1177/2041669517743522

[5] Keiji Uchikawa, Takuma Morimoto, and Tomohisa Matsumoto, “Understanding individual differences in color appearance of “#TheDress” by the optimal color hypothesis,” Journal of Vision, 17(8), 1-14 (2017). https://doi.org/10.1167/17.8.10

[4] Tanner DeLawyer, Takuma Morimoto, and Steven L. Buck, “Dichoptic perception of brown,” Journal of the Optical Society of America A, 33, 3, 123-128 (2016). https://doi.org/10.1364/JOSAA.33.00A123

[3] Takuma Morimoto, Kazuho Fukuda, and Keiji Uchikawa, “Effects of surrounding stimulus properties on color constancy based on luminance balance,” Journal of the Optical Society of America A, 33, 214-227 (2016). https://doi.org/10.1364/JOSAA.33.00A214

[2] Takuma Morimoto, Emily Slezak, and Steven L. Buck, “No effects of surround complexity on brown induction,” Journal of the Optical Society of America A, 33, 45-52 (2016). https://doi.org/10.1364/JOSAA.33.000A45

[1] Steven L. Buck, Andrew Shelton, Brooke Stoehr, Vina Hadyanto, Miaolu Tang, Takuma Morimoto, and Tanner DeLawyer, “Influence of surround proximity on induction of brown and darkness,” Journal of the Optical Society of America A, 33, 12-21 (2016). https://doi.org/10.1364/JOSAA.33.000A12


Conference proceedings

[2] Shiwen Li, Laura Steel, Cecilia Dahlsjö, Stuart Peirson, Alexander Shenkin, Takuma Morimoto*, Hannah E. Smithson*, and Manuel Spitschan*, “Hyperspectral characterisation of natural illumination in woodland and forest environments”, Proceedings Volume 11815, Novel Optical Systems, Methods, and Applications XXIV; 1181506 (2021) https://doi.org/10.1117/12.2595301. *Joint senior authors

[1] Hannah E. Smithson, and Takuma Morimoto, “Surface colour under environmental illumination”, London Imaging Meeting 2020: Future Colour Imaging, p. 33-38 (6), https://doi.org/10.2352/issn.2694-118X.2020.LIM-44


Preprints

[4] Jacob R. Cheeseman, James Ferwerda, Takuma Morimoto, and Roland Fleming, "Gloss discrimination: Towards an image-based perceptual model". PsyArXiv, https://doi.org/10.31234/osf.io/anx4q

[3] Takuma Morimoto, João M. M. Linhares, Sérgio M. C. Nascimento, and Hannah E. Smithson, “How many colours can you see? Real environmental lighting increases discriminability of surface colours”, bioRxiv. https://www.biorxiv.org/content/10.1101/2024.04.23.590719v1

[2] Takuma Morimoto, Masayuki Sato, Shoji Sunaga, and Keiji Uchikawa, “Human color constancy in cast shadows”, bioRxiv. https://doi.org/10.1101/2024.02.10.579744

[1] Allie C. Hexley, Takuma Morimoto, Hannah E. Smithson, and Manuel Spitschan, “Beyond colour gamuts: Novel metrics for the reproduction of photoreceptor signals”, bioRxiv. https://doi.org/10.1101/2021.02.27.433203