Nhờ anh down giùm em bài này:
http://ieeexplore.ieee.org/xpl/freea...number=4234429
title: Imperviousness Indexes Performance Evaluation for Mapping Urban Areas Using Remote Sensing Data
Villa, P.
Urban Remote Sensing Joint Event, 2007
IEEE Explorer, Volume , Issue , 11-13 April 2007 Page(s):1 - 6
Digital Object Identifier 10.1109/URS.2007.371830
Chân thành cảm ơn anh.