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DPhil Research Student
University of York
Henry A. Rowley, Shumeet Baluja, Takeo Kanade
x1Applying the same principal to faces
However, even tiny changes in lighting, expression or head orientation cause the location in image space to change dramatically. Plus, large amounts of storage is required.
each image in the training set
of this set of difference images
These are the first 4 eigenvectors, from a training set of 23 images….
Hence the name eigenfaces.
1D dataDimensionality Reduction
- Yael Adini, Yael Moses, Shimon Ullman.
- The Weizmann Institute of Science
Intensity: Invariant to light direction
Grey world: Invariant to coloured light
Comprehensive: Invariant to light colour and direction
HSV Hue: ‘Colour’ representation
BGi Hue: brightness and gamma invarient
- Wen Zhao, Sarnoff Corporation, Princeton
- Rama Chellappa, University of Maryland
- Charles Beumier, Mark Acheroy, Royal Military Academy, Belgium
- Chin-Seng Chua, Feng Han, Yeong_Khing Ho.
- Nanyang Technological University, Singapore
- J. Austin, J. Kennedy, K. Lees, University of York