Computer Science ›› 2014, Vol. 41 ›› Issue (8): 322-326.doi: 10.11896/j.issn.1002-137X.2014.08.068

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Correction of Interpolation Methods in ENVI for Remotely Sensed Imagery

MI Hui-chao,ZHANG Xiao-di and LAI Kai   

  • Online:2018-11-14 Published:2018-11-14

Abstract: ENVI software was developed in IDL (Interactive Data Language) to process remotely sensed imagery,from which it can extract useful information quickly,conveniently and accurately.ENVI software provides a set of image interpolation methods to analyse and process imagery.However,due to the theoretic shortage,a bias exists in the interpolation image obtained by interpolation methods of ENVI software.Moreover,this bias will be transmitted to the subsequent image processing procedure.In this paper,the interpolation model was modified theoretically.And the experimental results indicate that the proposed modified interpolation algorithms outperform the original ones and therefore obtain more accurate results.

Key words: ENVI software,Image interpolation,Double bilinear interpolation,Cubic interpolation

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