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서지반출
Facial Recognition Algorithm Based on Edge Detection and Discrete Wavelet Transform
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취소
  • Facial Recognition Algorithm Based on Edge Detection and Discrete Wavelet Transform
  • Facial Recognition Algorithm Based on Edge Detection and Discrete Wavelet Transform
저자명
Chang. Min-Hyuk,Oh. Mi-Suk,Lim. Chun-Hwan,Ahmad. Muhammad-Bilal,Park. Jong-An
간행물명
Transactions on control, automation and systems engineering
권/호정보
2001년|3권 4호|pp.283-288 (6 pages)
발행정보
제어로봇시스템학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

In this paper, we proposed a method for extracting facial characteristics of human being in an image. Given a pair of gray level sample images taken with and without human being, the face of human being is segmented from the image. Noise in the input images is removed with the help of Gaussian filters. Edge maps are found of the two input images. The binary edge differential image is obtained from the difference of the two input edge maps. A mask for face detection is made from the process of erosion followed by dilation on the resulting binary edge differential image. This mask is used to extract the human being from the two input image sequences. Features of face are extracted from the segmented image. An effective recognition system using the discrete wave let transform (DWT) is used for recognition. For extracting the facial features, such as eyebrows, eyes, nose and mouth, edge detector is applied on the segmented face image. The area of eye and the center of face are found from horizontal and vertical components of the edge map of the segmented image. other facial features are obtained from edge information of the image. The characteristic vectors are extrated from DWT of the segmented face image. These characteristic vectors are normalized between +1 and -1, and are used as input vectors for the neural network. Simulation results show recognition rate of 100% on the learned system, and about 92% on the test images.