Zoom based super-resolution through SAR model fitting

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Zoom based super-resolution through SAR model fitting

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Title: Zoom based super-resolution through SAR model fitting
Author: JOSHI, MV; CHAUDHURI, SUBHASIS
Abstract: We propose a technique for super-resolution imaging of a scene from observations at different camera zooms. Given a sequence of images with different zoom factors of a static scene, we obtain a picture of the entire scene at a resolution corresponding to the most zoomed observation. We model the high resolution image as a simultaneous autoregressive (SAR) model, the parameters of which are learnt from the most zoomed observation. Assuming that the entire scene can be described by a homogeneous SAR model, the learnt parameters are then used in a suitable regularization technique to estimate the high resolution field.
URI: 10.1109/ICIP.2004.1421418
http://hdl.handle.net/10054/445
http://dspace.library.iitb.ac.in/xmlui/handle/10054/445
Date: 2004


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