Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Classification of Radish and Chinese Cabbage in Autumn Using Hyperspectral Image

하이퍼스펙트럼 영상을 이용한 가을무와 배추의 분류

  • Park, Jin Ki (Dept. of Agricultural & Rural Engineering, Chungbuk National University) ;
  • Park, Jong Hwa (Dept. of Agricultural & Rural Engineering, Chungbuk National University)
  • Received : 2015.07.13
  • Accepted : 2016.01.28
  • Published : 2016.01.30
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Abstract

The objective of this study was to classify between radish and Chinese cabbage in autumn using hyperspectral images. The hyperspectral images were acquired by Compact Airborne Spectrographic Imager (CASI) with 1m spatial resolution and 48 bands covering the visible and near infrared portions of the solar spectrum from 370 to 1044 nm with a bandwidth of 14 nm. An object-based technique is used for classification of radish and Chinese cabbage. It was found that the optimum parameter values for image segmentation were scale 400, shape 0.1, color 0.9, compactness 0.5 and smoothness 0.5. As a result, the overall accuracy of classification was 90.7 % and the kappa coefficient was 0.71. The hyperspectral images can be used to classify other crops with higher accuracy than radish and Chines cabbage because of their similar characteristic and growth time.

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References

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