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ON THE PERFORMANCE OF SUPERVISED CLASSIFIERS FOR CROP IDENTIFICATION AND ESTIMATION USING MULTI-SPECTRAL IMAGERY

 Asif Ali Khan*, Nasru Minallah*, Shahbaz Khan**

*Department of Computer Systems Engineering University of Engineering & Technology Peshawar, Pakistan
** Department of Telecommunication Engineering. University of Engineering & Technology Peshawar, Pakistan

ABSTRACT

The objective of this research is to investigate crop estimation using SPOT-5 satellite imagery. We specifically considered
tobacco as our pilot crop and compared the obtained results with manually delineated calculations. For
this research SPOT-5 imagery of 2.5m spatial resolution, was provided by Space and Upper Atmosphere Research
Commission (SUPARCO), space agency of Pakistan. After preprocessing, which is a preparatory step in analyzing
and classifying satellite imagery to improve classification results and reduce the efforts and processing time, different
supervised classifiers namely Maximum Likelihood approach, Neural Network and Minimum Distance Classifier have
been used to classify the imagery. Training data for classifiers has been collected through multiple field surveys using
GPS receivers. The results obtained clearly show that the performance of maximum-likelihood classifier is better than
the other considered counterparts. Also it is indicated that the newly developed system offer an efficient, reliable and
faster approach for estimation of tobacco crop.
 

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Journal of Engineering and Applied Sciences

December

Vol. 42, pp. 01-48

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