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In this paper, we propose a new statistical objective perceptual video quality measure PSNRr,f-MOSr. PSNRr,f is defined as the PSNR achieved by f% of the frames in each one of the r% of the transmissions over a network. This quantity has the potential to capture the performance loss due to damaged frames in a particular video sequence (f%), as well asto indicate the probablity of a user experiencing...
The conceptual level design for a complex Web based real life application demands high degree of simplicity and adaptability. In this paper an attempt has been made to propose a graph based data model for web application that can model the existing complex relations through a hierarchical layered structure in a simpler way. It ensures the high understandability from the designer's point of view. This...
This paper proposes a new token-based mutual exclusion algorithm for directed graph topology, with or without cycles. In one of our earlier works, we have introduced a token based algorithm assuming an inverted tree topology. Such a stable, hierarchical topology is quite unrealistic for mobile networks due to frequent link failures and node mobility. The proposed solution overcomes this. Besides maintaining...
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