Coordinate-descent super-resolution and registration for parametric global motion models

Authors:
Alfonso SáNchez-Beato
Affiliations:
Departamento de Informática y Automática, UNED, C/Juan del Rosal 16, 28040 Madrid, Spain
Venue:
Journal of Visual Communication and Image Representation
Year:
2012

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Abstract

We present a method for simultaneously obtaining registration and super-resolution from a sequence of low resolution images, based on a coordinate-descent approach. The novelty of the algorithm resides on the registration step, which can be applied easily to any parametric global motion model. We prove the validity of the model with synthetic and real data experiments, being of special interest the good performance achieved in the difficult case of images registered under a projective transformation.