Аннотация:Imaging spectrometers with hundreds of spectral channels in visible and infrared region are designed by various companies to enhance the information content of the relevant hyperspectral imagery processing as compared with the common-used multispectral systems. We review some relevant literature sources on this particular subject. Besides that, we discuss some results of the information products obtained by an imaging spectrometer produced in Russia for a test area, where ground-based forest inventory map is available to compare the traditional approaches and the newly defined ones.