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Quaternion-Based Discriminant Analysis Method for Color Face Recognition (Quaternion-Based Discriminant Analysis)

Xu, Yong; Bourdon, Jérémie (Editor)

2012, Vol.7(8), p.e43493 [Tạp chí có phản biện]

E-ISSN: 1932-6203 ; DOI: 10.1371/journal.pone.0043493

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  • Nhan đề:
    Quaternion-Based Discriminant Analysis Method for Color Face Recognition (Quaternion-Based Discriminant Analysis)
  • Tác giả: Xu, Yong
  • Bourdon, Jérémie (Editor)
  • Chủ đề: Research Article ; Computer Science ; Engineering ; Mathematics ; Computer Science ; Mathematics
  • Là 1 phần của: 2012, Vol.7(8), p.e43493
  • Mô tả: Pattern recognition techniques have been used to automatically recognize the objects, personal identities, predict the function of protein, the category of the cancer, identify lesion, perform product inspection, and so on. In this paper we propose a novel quaternion-based discriminant method. This method represents and classifies color images in a simple and mathematically tractable way. The proposed method is suitable for a large variety of real-world applications such as color face recognition and classification of the ground target shown in multispectrum remote images. This method first uses the quaternion number to denote the pixel in the color image and exploits a quaternion vector to represent the color image. This method then uses the linear discriminant analysis algorithm to transform the quaternion vector into a lower-dimensional quaternion vector and classifies it in this space. The experimental results show that the proposed method can obtain a very high accuracy for color face recognition.
  • Ngôn ngữ: English
  • Số nhận dạng: E-ISSN: 1932-6203 ; DOI: 10.1371/journal.pone.0043493

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