Fruit classification by biogeography-based optimization and feedforward neural network

Yudong Zhang*, Preetha Phillips, Shuihua Wang, Genlin Ji, Jiquan Yang, Jianguo Wu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

115 Citations (Scopus)

Abstract

Accurate fruit classification is difficult to accomplish because of the similarities among the various categories. In this paper, we proposed a novel fruit-classification system, with the goal of recognizing fruits in a more efficient way. Our methodology included the following steps. First, a four-step pre-processing was employed. Second, the features (colour, shape, and texture) were extracted. Third, we utilized principal component analysis to remove excessive features. Fourth, a novel fruit-classification system based on biogeography-based optimization (BBO) and feedforward neural network (FNN) was proposed, with the short name of BBO-FNN. The experiment employed over 1653 chromatic fruit images (18 categories) by fivefold stratified cross-validation. The results showed that the proposed BBO-FNN yielded an overall accuracy of 89.11%, which was higher than the five state-of-the-art methods: genetic algorithm-FNN, artificial bee colony-FNN, particle swarm optimization-FNN, kernel support vector machine, and ant colony optimization-FNN. Also, the BBO-FNN achieved the same accuracy as fitness-scaling chaotic artificial bee colony-FNN, but it performed much faster than the latter. The proposed BBO-FNN was effective in fruit-classification in terms of classification accuracy and computation time. This indicated that it can be applied in credible use.

Original languageEnglish
Pages (from-to)239-253
Number of pages15
JournalExpert Systems
Volume33
Issue number3
DOIs
Publication statusPublished - 1 Jun 2016
Externally publishedYes

Keywords

  • ant colony optimization
  • artificial bee colony
  • biogeography-based optimization
  • feed-forward neural network
  • fruit classification
  • genetic algorithm
  • particle swarm optimization
  • support vector machine

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