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  • 标题:Feature Extraction using Histogram of Oriented Gradients for Image Classification in Maize Leaf Disease
  • 本地全文:下载
  • 作者:Vincent Mbandu Ochango ; Geoffrey Mariga Wambugu ; John Gichuki Ndia
  • 期刊名称:International Journal of Computer and Information Technology
  • 印刷版ISSN:2279-0764
  • 出版年度:2022
  • 卷号:11
  • 期号:2
  • 页码:1-10
  • 语种:English
  • 出版社:International Journal of Computer and Information Technology
  • 摘要:The paper presents feature extraction methods and classification algorithms used to classify maize leaf disease images. From maize disease images, features are extracted and passed to the machine learning classification algorithm to identify the possible disease based on the features detected using the feature extraction method. The maize disease images used include images of common rust, leaf spot, and northern leaf blight and healthy images. An evaluation was done for the feature extraction method to see which feature extraction method performs best with image classification algorithms. Based on the evaluation, the outcomes revealed Histogram of Oriented Gradients performed best with classifiers compared to KAZE and Oriented FAST and rotated BRIEF. The random forest classifier emerged the best in terms of image classification, based on four performance metrics which are accuracy, precision, recall, and F1-score. The experimental outcome indicated that the random forest had 0.74 accuracy, 0.77 precision, 0.77 recall, and 0.75 F1-score.
  • 关键词:Feature extraction;ORB;HOG;KAZE;Image classification;machine learning;classi
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