Review Article

A Review of Optical Nondestructive Visual and Near-Infrared Methods for Food Quality and Safety

Figure 1

Sample presentation for near-infrared (NIR) spectroscopy. N: NIR light source, D: detector.
341402.fig.001a
(a) Transmission
341402.fig.001b
(b) Reflection
341402.fig.001c
(c) Transflection
341402.fig.001d
(d) Interaction