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Perception lab
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Collaborators
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Hannah Smithson
Professor of Experimental Psychology
Takuma Morimoto
BEng, MEng, DPhil
Sir Henry Wellcome Postdoctoral Fellow, Junior Research Fellow at Pembroke College
Research Interest
In daily life, we encounter materials with a range of visual properties such as metal, cloth, or plastic. Through sight alone, we are skilled at judging their colour, glossiness, lightness, shape, and translucency; at inferring their associated physical properties, such as light/heavy, soft/hard, rough/smooth; and even their states, such as wet/dry, clean/dirty, solid/melted. Humans use these visually-collected information to guide our behaviour in everyday life (e.g, we can carefully step on the slippery pavement).
My research is inspired by a fundamental question in neuroscience: How do we achieve stable perception of "stuff" based on sensor inputs that are highly variable across contexts? We aim to understand the mechanisms underlying this perceptual stability using psychophysics and recently developed machine learning algorithms.
Recent publications
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Journal article
Shiwen L. et al, (2023), Journal of the Optical Society of America A, 40, A160 - A160
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Journal article
Ponting S. et al, (2023), J Opt Soc Am A Opt Image Sci Vis, 40, A149 - A159
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Invariant categorical color regions across illuminant change coincide with focal colors
Journal article
MORIMOTO T. et al, (2023), Journal of Vision
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Modelling surface color discrimination under different lighting environments using image chromatic statistics and convolutional neural networks
Journal article
Ponting S. et al, (2023), Journal of the Optical Society of America A: Optics, Image Science and Vision
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Journal article
Morimoto T. et al, (2021), Optics Express