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A new construction for sector-disk codes and partial MDS codes up to three sector erasures are proposed. In contrast to existing codes, which are based on the design of parity check matrix, our new code is based on the design of generator matrix. This new approach allows us to construct a code that requires a small field size. In particular, for the case when there is only one sector erasure, our...
Locally repairable (LR) codes are used in distributed storage systems to minimize the number of storage nodes involved in node repair. While existing constructions of LR codes do not take the topology of the storage network into account, this work focuses on designing LR codes over a network. A new concept called node locality is introduced. It is shown that the decision problem of determining whether...
In this paper, we propose a fast mode decision algorithm for color plus depth-map 3D videos. By utilizing the relationship of coding modes between color frame and associated depth frame, an early SKIP mode decision scheme and a mode selection mechanism have been developed to speed up the encoding process of color videos. Experimental results show that the proposed algorithm is faster than other existing...
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