The well-known successive refinement scenario is extended to vector sources where individual distortion constraints are posed on every vector component. This extension is then utilized for the derivation of a necessary and sufficient condition for vector successive refinability. For 2-D vector Gaussian and binary symmetric sources, it turns out that successive refinability is not granted everywhere, unlike in the 1-D case for the same sources. Moreover, the behavior of these sources with respect to successive refinability exhibit remarkable similarity. © 2007 IEEE.
Successive refinement of vector sources under individual distortion criteria / Nayak, J.; Tuncel, E.; Gunduz, D.; Erkip, E.. - (2007), pp. 319-324. (Intervento presentato al convegno 2007 IEEE Information Theory Workshop, ITW 2007 tenutosi a Lake Tahoe, CA, usa nel 2007) [10.1109/ITW.2007.4313094].
Successive refinement of vector sources under individual distortion criteria
D. Gunduz;
2007
Abstract
The well-known successive refinement scenario is extended to vector sources where individual distortion constraints are posed on every vector component. This extension is then utilized for the derivation of a necessary and sufficient condition for vector successive refinability. For 2-D vector Gaussian and binary symmetric sources, it turns out that successive refinability is not granted everywhere, unlike in the 1-D case for the same sources. Moreover, the behavior of these sources with respect to successive refinability exhibit remarkable similarity. © 2007 IEEE.Pubblicazioni consigliate
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