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Comparing “face tubes” is a key component of modern systems for face biometrics based video analysis and annotation. We present a novel algorithm to learn a distance metric between such spatio-temporal face tubes in videos. The main novelty in the algorithm is based on incorporation of latent variables in a max-margin metric learning framework. The latent formulation allows us to model, and learn...
We describe an image analysis pipeline for the minimally invasive analysis and characterization of light-induced degradation in daguerreotypes. To our knowledge, this is the first time that quantitative characterization and temporal analysis of the photolytic degradation has been described for daguerreotypes. We measure the impact of degradation using microscopic image capture before and after exposure...
The Cincinnati Waterfront Daguerreotype Panorama, owned by the Public Library of Cincinnati and Hamilton County, was brought to George Eastman House in 2007 for conservation treatment. At George Eastman House the plates were imaged under a microscope to capture details at nearly their full resolution and composited mosaic images comprised of 756 images per plate were created. Although the mosaic yields...
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