Eigenface is one of the most famous classic face recognition methods. If you're talking about a recent popular method, you can check Reliable Face Recognition through a sparse view, John Wright, Allen Jan, Arvind Ganesh, Shankar Sastri and Yee Ma, IEEE Transactions on Sample Analysis and Machine Intelligence (PAMI), 2009.
According to your description of your purpose, you can take a look at the recognition of several images (a set of images). I personally support the publication of a classification based on a set of images. You can also check out my latest article
Face Recognition Using Sparse Approximate Nearby Points Between Image Sets, Yiqun Hu, Ajmal S. Mian and Robyn Owens, IEEE Transactions for Pattern Analysis and Machine Intelligence (p).
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