نتایج جستجو برای: random vortex method rvm

تعداد نتایج: 1877320  

Journal: :ISPRS Int. J. Geo-Information 2017
Xinchang Zhang Guowei Luo Guangjing He Liyan Chen

Multi-scale object matching is the key technology for upgrading feature cascade and integrating multi-source spatial data. Considering the distinctiveness of data at different scales, the present study selects residential areas in a multi-scale database as research objects and focuses on characteristic similarities. This study adopts the method of merging with no simplification, clarifies all t...

Journal: :The Journal of clinical investigation 2015
Yi Zhang Shengli Zhao Erica Rodriguez Jun Takatoh Bao-Xia Han Xiang Zhou Fan Wang

Primary pain and touch sensory neurons not only detect internal and external sensory stimuli, but also receive inputs from other neurons. However, the neuronal derived inputs for primary neurons have not been systematically identified. Using a monosynaptic rabies viruses-based transneuronal tracing method combined with sensory-specific Cre-drivers, we found that sensory neurons receive intragan...

1996
Henri D. Fuhrmann Eric C. Stewart

Results of a numerical simulation are presented to determine the feasibility of estimating the location and strength of a wake vortex from imperfect in-situ measurements. These estimates could be used to provide information to a pilot on how to avoid a hazardous wake vortex encounter. An iterative algorithm based on the method of secants was used to solve the four simultaneous equations describ...

1998
H. H. Lee J. M. F. Gunn

For thin films of superfluid adsorbed on a disordered substrate, we derive within a mean field (Hartree) description of the condensate the equation of motion for a vortex in the presence of a random potential. The compressible nature of the condensate leads to an effective pinning potential experienced by the vortex which is nonlocal, with a long range tail that smoothes out the random potentia...

Journal: :Monthly Notices of the Royal Astronomical Society 2023

In spite of the rich phenomenology polarization properties radio pulsars, rotating vector model (RVM) created 50 years ago remains best method to determine beam geometry a pulsar. We apply RVM sample 854 pulsars observed with MeerKAT telescope in order draw conclusions about population as whole. The main results are that (i) geometrical interpretation position angle traverse is valid majority p...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2002
Silvia Marinelli Christopher W Vaughan Stephen A Schnell Martin W Wessendorf MacDonald J Christie

The rostral ventromedial medulla (RVM) forms part of a descending pathway that modulates nociceptive neurotransmission at the level of the spinal cord dorsal horn. However, the involvement of descending RVM systems in opioid analgesia are a matter of some debate. In the present study, patch-clamp recordings of RVM neurons were made from rats that had received retrograde tracer injections into t...

Journal: :Investigative ophthalmology & visual science 2005
Christopher Bowd Felipe A Medeiros Zuohua Zhang Linda M Zangwill Jiucang Hao Te-Won Lee Terrence J Sejnowski Robert N Weinreb Michael H Goldbaum

PURPOSE To classify healthy and glaucomatous eyes using relevance vector machine (RVM) and support vector machine (SVM) learning classifiers trained on retinal nerve fiber layer (RNFL) thickness measurements obtained by scanning laser polarimetry (SLP). METHODS Seventy-two eyes of 72 healthy control subjects (average age = 64.3 +/- 8.8 years, visual field mean deviation = -0.71 +/- 1.2 dB) an...

2003
Thomas A. Down Tim J. P. Hubbard

The Relevance Vector Machine (RVM) is a recently developed machine learning framework capable of building simple models from large sets of candidate features. Here, we describe a protocol for using the RVM to explore very large numbers of candidate features, and a family of models which apply the power of the RVM to classifying and detecting interesting points and regions in biological sequence...

2002

In this paper, we compare two powerful kernel-based learning machines, support vector machines (SVM) and relevance vector machines (RVM), within the framework of hidden Markov model-based speech recognit ion. Both machines provide nonlinear discriminative classification ability: the SVM by kernelbased margin maximization and the RVM using a Bayesian probabilistic framework. The hybrid systems a...

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