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Gradient Direction Based Human Face Positioning Algorithm Applied in Complex Background

  • Liang YunjuanEmail author
  • Feng Hongyu
  • Zhang Lijun
  • Miao Qinglin
Part of the Advances in Intelligent and Soft Computing book series (AINSC, volume 165)

Abstract

Face detection in complex background are vulnerable to light or other factors. This paper presents one face positioning algorithm based on the gradient direction. Firstly, smoothly preprocess the original image, then get the enhanced edge of grayscale image using sobel operator, binaries image, and finally set the position at the horizontal and vertical level with the characteristics of gradient direction of the binarized image. Experiments show that the algorithm for face recognition in complex background and positioning is fast and efficient. It also has the same effect on multiple face images of people.

Keywords

gradient direction sobel operator enhanced edge of grayscale image binary face positioning 

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Copyright information

© Springer-Verlag GmbH Berlin Heidelberg 2012

Authors and Affiliations

  • Liang Yunjuan
    • 1
    Email author
  • Feng Hongyu
    • 1
  • Zhang Lijun
    • 1
  • Miao Qinglin
    • 2
  1. 1.School of Information EngineeringHenan Institute of Science and TechnologyXinxiangChina
  2. 2.School of Mechanical and Electronic EngineeringHenan Institute of Science and TechnologyXinxiangChina

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