The quality of agro-products is the foremost current issue for the food
industry and consumers. Healthful agro-products such as fruits and vegetables, meat,
grains, and dairy products are essential for human life, and reliable quality evaluation is
important for product safety and consumer appeal. As a result, rapid and precise
evaluation methods for the quality of agro-products are required. In this regard, optical
sensing techniques such as imaging and spectroscopy are among the most promising
techniques currently investigated for quality assessment purposes in agricultural fields.
This chapter aims to present the basic concepts, components and principles of imaging
and spectroscopy techniques in a comparative manner for agriculture application.
Moreover, this chapter also elaborates upon the partiality of the optical sensing
techniques by highlighting previous studies in agricultural applications. The insights in
this chapter will help a novice to understand and encourage further knowledge about
optical sensing techniques.
Keywords: Agro-product, Hyperspectral imaging, Imaging, Spectroscopy.
