نتایج جستجو برای: mdl
تعداد نتایج: 1822 فیلتر نتایج به سال:
There exists a well known connection between penalized splines and mixed models. This connection makes it possible to exploit certain results derived for mixed models in the estimation of penalized splines. We have derived the Minimum Description Length (MDL) model selection criterion [1] for mixed models (see eg. [2]). In this paper we investigate the performance of the MDL criterion in fittin...
Introduction: Macrodystrophia lipomatosa (MDL) is a non-hereditary congenital developmental anomaly characterized by localized gigantism due to overgrowth of all mesenchymal elements. Case Report: The authors describe a case of macrodystrophia lipomatosa (MDL) with involvement of the median nerve in a 10-year-old girl and review the pathologic, radiographic, ultrasonographic and MR imaging char...
When constructing a Bayesian network classifier from data, the more or less redundant features included in a dataset may bias the classifier and as a consequence may result in a relatively poor classification accuracy. In this paper, we study the problem of selecting appropriate subsets of features for such classifiers. To this end, we propose a new definition of the concept of redundancy in no...
The minimum description length (MDL) principle in supervised learning is studied. One of the most important theories for the MDL principle is Barron and Cover’s theory (BC theory), which gives a mathematical justification of the MDL principle. The original BC theory, however, can be applied to supervised learning only approximately and limitedly. Though Barron et al. recently succeeded in remov...
It is generally assumed that correcting chromatic aberrations in imaging requires optical elements. Here, we show by allowing the phase image plane to be a free parameter, it possible correct variation of focal length over an extremely large bandwidth, from visible (Vis) longwave infrared (LWIR) wavelengths using single diffractive surface, i.e., flat lens. Specifically, designed, fabricated an...
Detecting the number of sources is a well-known and a well-investigated problem. In this problem, the number of sources impinging on an array of sensors is to be estimated. The common approach for solving this problem is to use an information theoretic criterion like the minimum description length (MDL), or the Akaike information criterion (AIC). Although it has been gaining much popularity and...
The Minimum Description Length (MDL) approach to shape modelling seeks a compact description of a set of shapes in terms of the coordinates of marks on the shapes. It has been shown that the mark positions resulting from this optimisation to a large extent solve the so-called point correspondence problem: How to select points on shapes defined as curves so that the points correspond across a da...
In this paper the track initiation problem is formulated as multiple composite hypothesis testing using maximum likelihood estimation with probabilistic data association (ML-PDA), an algorithm known to work under very low SNR conditions. This algorithm does not have to make a decision as to which measurement is target originated. The hypothesis testing is based on the minimum description length...
On modern multi-core processors, the growing gap between memory size, bandwidth and latency compared to computing capability makes the memory hierarchy predominant for performance. The Microkernel-Description-Language based Performance Evaluation Framework, MDL-PEF, accurately predicts optimized inner-loops performance depending on the loop’s data access. The MDL-PEF approach revolves around a ...
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