Smart Sensors and Systems

pp 63-84

The Three-Dimensional Evolution of Hyperspectral Imaging

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Hyperspectral imaging has become more accessible nowadays as an image-based acquisition tool for physically-meaningful measurements. This technology is now evolving from classical 2D imaging to 3D imaging, allowing us to measure physically-meaningful reflectance on 3D solid objects. This chapter provides a brief overview on the foundations of hyperspectral imaging and introduces advanced applications of hyperspectral 3D imaging. This chapter first surveys the fundamentals of optics and calibration processes of hyperspectral imaging and then studies two typical designs of hyperspectral imaging. In addition to this introduction, this chapter briefly looks over the state-of-the-art applications of hyperspectral 3D imaging to measure hyperspectral intrinsic properties of surfaces on 3D solid objects.