Biological and Agricultural Engineering

BAE Departmental Seminar: Reflectance profiling as a tool to study food objects

Tuesday, April 18, 2017
4:10 PM

Reflectance profiling as a tool to study food objects

Christian Nansen, Insect ecology and remote sensing, UC Davis, Department of Entomology and Nematology


The external color display of an object – “the way it looks” – is intricately linked to internal physiological and biological processes. Importantly, the way an object looks is also determined by “who is looking” – that is, what is the radiometric sensitivity of the spectator looking at the given organism? We humans have modest color vision in the visible part of the radiometric spectrum and no vision outside this narrow range… So, how does an object “look” when hyperspectral imaging technology is applied to non-destructive analysis of reflectance profiles from objects, such as coffee beans? In this seminar, I will provide basic insight into some of the main features of hyperspectral reflectance profiling. I will present some recent applications of how this technology can be used to differentiate objects. My hope is to illustrate the broad relevance of hyperspectral reflectance profiling to food science and food safety.


2045 Bainer Hall University of California Davis

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