نتایج جستجو برای: descriptive dimension
تعداد نتایج: 233280 فیلتر نتایج به سال:
This paper discusses the descriptional complexity of generalized forbidding grammars in context of degrees, numbers of nonterminals and conditional productions, and a new descriptional complexity measure—an index—of generalized forbidding grammars.
In recent years, several systems have been proposed that learn the rules of a simple card or board game solely from visual demonstration. These systems were constructed for specific games and rely on substantial background knowledge. We introduce a general system for learning board game rules from videos and demonstrate it on several well-known games. The presented algorithm requires only a few...
We investigate the descriptional complexity of limited propagating Lindenmayer systems and their deterministic and tabled variants with respect to the number of rules and the number of symbols. We determine the decrease of complexity when the generative capacity is increased. For incomparable families, we give languages that can be described more efficiently in either of these families than in ...
This paper deals with descriptive complexity of picture languages of any dimension by syntactical fragments of existential second-order logic. • We uniformly generalize to any dimension the characterization by Giammarresi et al. [GRST96] of the class of recognizable picture languages in existential monadic second-order logic. • We state several logical characterizations of the class of picture ...
PURPOSE The objective of this study was to validate the reliability and validity of the safety attitudes questionnaire (SAQ) in Heilongjiang province, northern China. METHODS The SAQ was distributed to 27 public hospitals in five cities across Heilongjiang province. The Cronbach's α, item-dimension and dimension-dimension correlations were calculated. Descriptive analyses and confirmatory fac...
Medical images typically have irregular and fragmented contours. This is a strong motivation to use fractal geometry, rather than Euclidian geometry, for their description and characterization. In this paper we analyse a set of 100 images of melanoma and non-melanoma moles. The moles have their contours extracted with several tools and then the contours have their fractal dimension computed wit...
In this paper we study the properties of systems of bounded arithmetic capturing small complexity classes and state conditions sufficient for such systems to capture the corresponding complexity class tightly. Our class of systems of bounded arithmetic is the class of secondorder systems with comprehension axiom for a syntactically restricted class of formulas Φ ⊂ Σ 1 based on a logic in the de...
this research is a new attempt in order to study the effect of evolution theory in the dimension of empirical ethics. in the contemporary area the evolutionary ethics is in the three branches: descriptive, prescriptive and meta-ethics. the descriptive evolutionary ethics tries to modify human’s ethical believes in the evolutionary aspect and achieves more share from two others part in this grou...
Introduction: The concept which can be deduced from productivity is the proportion of output to input in a system. Productivity and factors affecting it are managers concern in manufacturing and service sectors. Worker status is a great challenge to improve the productivity and efficiency of hospitals. In this study, the proficiency of surgical technologist has been assessed in the Hospital of ...
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