Effect on specific crop mapping using WorldView-2 multispectral add-on bands: soft classification approach

Priyadarshi Upadhyay; Sanjay K. Ghosh; Anil Kumar; Partha S. Roy; Ian Gilbert

doi:10.1117/1.JRS.6.063524

11 April 2012 Effect on specific crop mapping using WorldView-2 multispectral add-on bands: soft classification approach

Priyadarshi Upadhyay, Sanjay K. Ghosh, Anil Kumar, Partha S. Roy, Ian Gilbert

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 6, Issue 1, 063524 (April 2012). https://doi.org/10.1117/1.JRS.6.063524

Abstract

In this study, new add-on bands in a multispectral dataset of WorldView-2, DigitalGlobe's second next-generation satellite, have been evaluated. For extraction of a specific agriculture crop at a time, WorldView-2 multispectral single, as well as two-date data sets, were used. For this purpose, a class-based sensor independent spectral band ratio normalized difference vegetation index (NDVI) (CBSI-NDVI) and its possibilistice fuzzy classification approach was used. Different agriculture crops selected for the study were sugarcane, late wheat, cauliflower, berseem (fodder), early wheat and ratoon. It is found that bands four and eight with temporal data are good for extracting sugarcane, while bands four, eight and five, seven with temporal data are suitable for late wheat and bands four and eight work well for cauliflower. Similarly, bands five, seven and five, eight with temporal data are good for extracting berseem (fodder), bands four, eight work for early wheat with temporal data and for ratoon four, six single date or four, six and four, eight temporal data. This suitability of bands has been observed with respect to a maximum membership value difference, as well as maximum entropy difference, between the two closest agriculture crops. Thus, it can be concluded that existing bands five, seven and new bands four, six, eight in WorldView-2 are important for identifying and mapping crops mentioned in this study. This indicates new bands, especially four, six, eight introduced in WorldView-2, are more effective than existing bands in QuickBird for mapping specific crops.

Citation Download Citation

Priyadarshi Upadhyay, Sanjay K. Ghosh, Anil Kumar, Partha S. Roy, and Ian Gilbert "Effect on specific crop mapping using WorldView-2 multispectral add-on bands: soft classification approach," Journal of Applied Remote Sensing 6(1), 063524 (11 April 2012). https://doi.org/10.1117/1.JRS.6.063524

Published: 11 April 2012

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