Date of Original Version

8-2005

Type

Conference Proceeding

Abstract or Description

An application of semi-supervised learning is made to the problem of person identification in low quality webcam images. Using a set of images of ten people collected over a period of four months, the person identification task is posed as a graph-based semi-supervised learning problem, where only a few training images are labeled. The importance of domain knowledge in graph construction is discussed, and experiments are presented that clearly show the advantage of semi-supervised learning over standard supervised learning. The data used in the study is available to the research community to encourage further investigation of this problem.

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