نتایج جستجو برای: estimation precision improvement

تعداد نتایج: 666828  

2011
Rajiv K. Srivastava

In spite of advancements in technology, the manufacturing of many small products and components continues to be labor intensive, and their assembly processes still rely on skill and craftsmanship. This paper describes operational problem solving through consultant-led intervention at one such manufacturer of watch dials, involving a combination of incremental and breakthrough improvements leadi...

2014
T. Tony Cai Zhao Ren Harrison H. Zhou

This is an expository paper that reviews recent developments on optimal estimation of structured high-dimensional covariance and precision matrices. Minimax rates of convergence for estimating several classes of structured covariance and precision matrices, including bandable, Toeplitz, and sparse covariance matrices as well as sparse precision matrices, are given under the spectral norm loss. ...

Journal: :گیاه پزشکی 0

the sunn pest, eurygaster integriceps put. is an important pest of wheat in firozabad region of ardabil province, iran. in this study the spatial distribution of overwintered adult was investigated in rainfed wheat fields. then, fixed precision sequential sampling plan was developed and validated for estimating overwintered adult density. iwao's patchiness regression gave a better fit to d...

Journal: :Journal of vision 2009
Pamela E Jeter Barbara Anne Dosher Alexander Petrov Zhong-Lin Lu

Perceptual learning, the improvement in performance with practice, reflects plasticity in the adult visual system. We challenge a standard claim that specificity of perceptual learning depends on task difficulty during training, instead showing that specificity, or conversely transfer, is primarily controlled by the precision demands (i.e., orientation difference) of the transfer task. Thus, fo...

Journal: :acta medica iranica 0
hamid reza aghaei meybodi endocrinology and metabolism research center, endocrinology and metabolism clinical sciences institute, tehran university of medical sciences, tehran, iran. mandana hasanzad endocrinology and metabolism research center, endocrinology and metabolism clinical sciences institute, tehran university of medical sciences, tehran, iran. and department of genetics, tehran medical sciences branch, islamic azad univeristy, tehran, iran. bagher larijani diabetes research center, endocrinology and metabolism clinical sciences institute, tehran university of medical sciences, tehran, iran.

type 2 diabetes mellitus (t2dm) is recognized as a public health problem and increasingly prevalent illness. key elements of the guideline for diabetes care are based on evidence-based medicine approach and apply for population, not individuals. however, individualized care can improve diabetes management. personalized medicine is otherwise called precision medicine tries to find better predict...

2006
Yiton T. Yan Y. Cai W. Colocho F-J. Decker J. Seeman M. Sullivan J. Turner U. Wienands M. Woodley G. Yocky

Through horizontal and vertical excitations, we have been able to make a precison measurement of linear geometric optics parameters with a Model-Independent Analysis (MIA). We have also been able to build up a computer model that matches the real accelerator in linear geometric optics with an SVD-enhanced Least-square fitting process. Recently, with the addition of longitudinal excitation, we a...

2007
Igor Melatti Robert Palmer Ganesh Gopalakrishnan I. Melatti G. Gopalakrishnan

In explicit state (enumerative) model checking, state vectors are often represented in a compressed form in order to reduce storage needs, typically employing fingerprints, bithashes, or state signatures. When using this kind of techniques, it could happen that the compressed image of a nonvisited state s matches that of a visited state s′ 6= s, thus s and potentially many of its descendants ar...

2017
Russell R. Russo Matthew B. Burn Sabir K. Ismaily Brayden J. Gerrie Shuyang Han Jerry Alexander Christopher Lenherr Philip C. Noble Joshua D. Harris Patrick C. McCulloch

BACKGROUND Accurate measurements of knee and hip motion are required for management of musculoskeletal pathology. The purpose of this investigation was to compare three techniques for measuring motion at the hip and knee. The authors hypothesized that digital photography would be equivalent in accuracy and show higher precision compared to the other two techniques. METHODS Using infrared moti...

In this research study, one of the most crucial automotive engineering problems is intended to be solved. The necessity of tire pressure monitoring system is beyond doubt. Such systems are now provided relying on expensive sensors. In this study an indirect tire pressure monitoring system is proposed, utilizing identification techniques, which will reduce the cost of monitoring considerably in ...

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