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40 lines
1.5 KiB
Plaintext
40 lines
1.5 KiB
Plaintext
The ORL face database
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This directory contains a set of faces taken between April 1992 and
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April 1994 at the Olivetti Research Laboratory in Cambridge, UK.
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There are 10 different images of 40 distinct subjects. For some of the
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subjects, the images were taken at different times, varying lighting
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slightly, facial expressions (open/closed eyes, smiling/non-smiling)
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and facial details (glasses/no-glasses). All the images are taken
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against a dark homogeneous background and the subjects are in
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up-right, frontal position (with tolerance for some side movement).
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The files are in PGM format and can be conveniently viewed using the 'xv'
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program. The size of each image is 92x112, 8-bit grey levels. The images
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are organised in 40 directories (one for each subject) named as:
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sX
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where X indicates the subject number (between 1 and 40). In each directory
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there are 10 different images of the selected subject named as:
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Y.pgm
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where Y indicates which image for the specific subject (between 1 and 10).
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When using these images, please give credit to Olivetti Research Laboratory.
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A convenient reference is the face recognition work which uses some of
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these images:
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F. Samaria and A. Harter
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"Parameterisation of a stochastic model for human face identification"
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2nd IEEE Workshop on Applications of Computer Vision
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December 1994, Sarasota (Florida).
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The paper is available via anonymous ftp from quince.cam-orl.co.uk and is
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stored in pub/users/fs/IEEE_workshop.ps.Z
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If you have any question, please email Ferdinando Samaria: fs@cam-orl.co.uk
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