In this paper, a multi-resolution analysis is proposed for image quality assessment. Structural features are extracted from each level of a pyramid decomposition that accurately represents the multiple scales of processing in the human visual system. To obtain an overall quality measure the individual level metrics are accumulated over the considered pyramid levels. Two different metric design ...

We provide a structured classification of properties to guide the principled design of interactive systems. This classification is motivated by an existing software quality framework, which we extend with respect to the usability of the software product. We distinguish between high-level categories of product usability and criteria within those categories which can be represented and ultimately...

While mobile IPTV services are supported through the mobile WiMAX networks, there must need some guaranteed bandwidth for the IPTV services especially if IPTV and non-IPTV services are simultaneously supported by the mobile WiMAX networks. The quality of an IPTV service definitely depends on the allocated bandwidth for that channel. However, due to the high quality IPTV services and to support ...

With its GoMobile project, the City of Seattle is pioneering the utilization of fully mobile wirelessly connected (FMWC) technology applications in fieldwork operations with the aim of significantly improving its operational effectiveness and efficiency as well as its quality of service. Our study analyzes and assesses the efficacy of this prototypical mobile Government project. Preliminary fin...

Economic perspectives have raised growing attention in recent data quality (DQ) literature, as studies have associated DQ decisions with major cost-benefit tradeoffs. Despite the growing interest, DQ research has not yet developed a robust, agreedupon view for assessing and studying the link between DQ and economic outcome. As a contribution, this study proposes a framework, which links costs t...

Quality variations are introduced in the circular model of differentiated products. Two main game structures are analyzed. The three-stage game has entry in the first stage, location in the second, and quality and price choice in the third. The four-stage game replaces the quality and price subgame of the three-stage game with two stages, quality choice followed by price choice. It is found tha...