منابع مشابه
On Realistic Line Simplification under Area Measure
In this paper, we consider the well-known 2D line simplification problem under area measure. Primarily, we propose a unified definition for the area measure that can be used on a general path of n vertices. We present an O(n) optimal simplification algorithm on general paths under unified area measure based on Imai and Iri’s approach. Next, to improve the time complexity, we describe a realisti...
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These data present a new small-area deprivation measure, but also include a variety of other indicators, such as the Scottish Index of Multiple Deprivation (SIMD) and the Carstairs score. The data are for Scottish 2001 Datazones and for the years 2001 and 2011. In addition the data provide standardised self-reported measures of general health and limiting long-term illness. The theoretical back...
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A local method for estimating surface area and surface area measure of three-dimensional objects from discrete binary images is presented. A weight is assigned to each 2 × 2 × 2 configuration of voxels and the total surface area of an object is given by summation of the local area contributions. The method is based on an exact asymptotic result that holds for increasing resolution of the digiti...
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We describe a novel approach to the measurement of discounting based on calculating the area under the empirical discounting function. This approach avoids some of the problems associated with measures based on estimates of the parameters of theoretical discounting functions. The area measure may be easily calculated for both individual and group data collected using any of a variety of current...
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Area-based markers of deprivation (e.g., postal codes) are commonly used to identify groups of people with low socioeconomic status (SES); the validity of this approach, however, remains unknown. In this study, we determined the accuracy of using income quintile groups calculated on the basis of the median family income of each forward sortation area (1996 Canadian census) to identify those liv...
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ژورنال
عنوان ژورنال: Bulletin of the American Mathematical Society
سال: 1952
ISSN: 0002-9904
DOI: 10.1090/s0002-9904-1952-09586-0