Modified Lawn Weed Detection: Utilization of Edge-Color Based SVM and Grass-Model Based Blob Inspection Filterbank

  • Authors:
  • Ukrit Watchareeruetai;Yoshinori Takeuchi;Tetsuya Matsumoto;Hiroaki Kudo;Noboru Ohnishi

  • Affiliations:
  • Department of Media Science, Graduate School of Information Science, Nagoya University, Nagoya, Japan 464-8603;Department of Media Science, Graduate School of Information Science, Nagoya University, Nagoya, Japan 464-8603;Department of Media Science, Graduate School of Information Science, Nagoya University, Nagoya, Japan 464-8603;Department of Media Science, Graduate School of Information Science, Nagoya University, Nagoya, Japan 464-8603;Department of Media Science, Graduate School of Information Science, Nagoya University, Nagoya, Japan 464-8603

  • Venue:
  • Neural Information Processing
  • Year:
  • 2008

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Abstract

We propose a lawn weed detection method modified from our previous work, i.e., Bayesian classifier based method. The proposed method employs features calculated from not only the edge-strength of weed/lawn textures but also color information of RGB. Instead of using Bayesian classifier, we exploit more sophisticated classifier, i.e., support-vector machine, for detecting weeds. After weed detection, the proposed method uses noise blob inspection for removing misclassified weed areas. The inspection process is based on a bank of directional filters modeled from characteristics of the edge of grass blade. Experimental results show that the performance of the proposed method outperforms the compared methods.