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PRTools User Guide

faces

FACES

Read Olivetti face database

   A = FACES(SUBJECTS,PHOTOS)

This creates a dataset A containing the desired photos (92*112 pixels)  of the desired subjects (1 <= SUBJECTS <= 40). For each subject 10 photos are available (1 <= PHOTOS <= 10). SUBJECTS and PHOTOS may  be vectors.  The size of A is (LENGTH(SUBJECTS)*LENGTH(PHOTOS),92*112).  The stored photos can be displayed by SHOW(A).

FACES first reads a datafile ORL and then converts it to a dataset.  In case ORL is not available, it may be automatically downloaded  and installed. If this fails an error is generated.

When using these images, please give credit to Olivetti Research Laboratory.  A convenient reference is the face recognition work which uses some of  these images

F. Samaria and A. Harter    "Parameterisation of a stochastic model for human face identification",
    2nd IEEE Workshop on Applications of Computer Vision
    December 1994, Sarasota (Florida).

The paper is available via anonymous ftp from quince.cam-orl.co.uk and is  stored in pub/users/fs/IEEE_workshop.ps.Z

If you have any question, please email Ferdinando Samaria: fs@cam-orl.co.uk

See also

datasets, show, orl,

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PRTools User Guide

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