Comparative Evaluation of AVIRIS-NG and Hyperion Hyperspectral Image for Talc Mineral Identification

The advancement and progressive development in hyperspectral remote sensing technology enhance the capability to measure the minor variations in spectral feature on the small and big scale of measurement. The remote sensing images provide information of earth’s features according to the capability of regional coverage and larger synoptic view, but hyperspectral image provides detailed, subtle variation in the spectral resolution. In this study, Hyperion and AVIRIS-NG data were used for identification of talc mineral in and around the Jahazpur city, Chabhadiya village, India. The Hyperion hyperspectral data show absorption features of talc minerals but AVIRIS-NG minerals show the multiple absorption features with iron-bearing talc at the same location. In comparison, observed result shows that AVIRIS-NG has much accurate capability for identification of different minerals in the visible region along with the short-wave infrared portion of the electromagnetic spectrum.