نتایج جستجو برای: spatial quality

تعداد نتایج: 1091137  

2012
Simon Alberti

Evidence is now accumulating that damaged proteins are not randomly distributed but often concentrated in microscopically visible and functionally distinct inclusion bodies. How misfolded proteins are organized into these compartments, however, is still unknown. We have recently begun to investigate stress-inducible protein quality control (PQC) bodies in yeast cells. Surprisingly, we found tha...

2009
Harlan J. Onsrud

Liability in data, products, and services related to geographic information systems, spatial data infrastructure, location based services and web mapping services, is complicated by the complexities and uncertainties in liability for information system products and services generally, as well as by legal theory uncertainties surrounding liability for maps. Each application of geospatial technol...

2002
JAN BERG FRANCIS RUMSEY

Evaluation of the audio quality a listener perceives is an important issue for all those involved in audio recording and reproduction. The variety of tools in audio work facilitates advanced processing of the audio signal. The aims of these processes differ, but they all in some way, sooner or later give rise to the question of in which way the audio quality is influenced by them. The use of mu...

Journal: :Spatial Cognition & Computation 2000
Matt Duckham Jane Drummond David Forrest

The relatively weak uptake of spatial error handling capabilities by commercial GIS companies and users can in part be attributed to the relatively low availability and high costs of spatial data quality information. Based on the well established artificial intelligence technique of induction, this paper charts the development of an automated quality capture tool. By learning from example, the ...

2008

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2009
Peter Claeys Fabio Manca

History tells that institutions evolve gradually over time, pushing new ideas across borders and cultures. Globalisation is argued to accelerate this process. We examine the spatial links of different political institutions across borders. Applying various tests for spatial proximity, we do not find evidence of contemporaneous spatial links. This result is robust to various measures of distance...

2008
ANGUS DEATON

In many household surveys, geographically clustered households report unit values of foods, which when corrected for quality effects and for measurement error, indicate the underlying spatial variation in prices, and can be matched to variation in demand patterns so as to estimate price elasticities. A 1979 household survey from the Cote d'Ivoire is used to estimate price elasticities for beef,...

2000
Lemonia Ragia

This paper presents a concept for analysing the quality of 2 1 2 -D spatial objects. The developed method is based on the evaluation of specific quality parameters. These parameters are determined by a topological and geometrical analysis. The quality parameters are classified into three categories: green=accepted, yellow=uncertain, red=rejected, depending on the specifications. We give confide...

2009
Guangyao Cao Luhong Liang Siwei Ma Debin Zhao

Image quality assessment (IQA) is a crucial technique in perceptual image/video coding, because it is not only a ruler for performance evaluation of coding algorithms but also a metric for ratio-distortion optimization in coding. In this paper, inspired by the fact that distortions of both global and local information influence the perceptual image quality, we propose a novel IQA method that in...

2015
Amy Mizen Sarah Rodgers Richard Fry

The obesity epidemic is understood to be caused and influenced by multiple factors (Jones, 2014; Finegood, 2010). Amongst obesity research, the food environment is increasingly acknowledged as having a significant influence on obesity levels (Papas, 2007). Poor quality food environments, describe areas where there is an abundance of unhealthy food sources and poor availability of fresh and heal...

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