نتایج جستجو برای: spline with tension swt

تعداد نتایج: 9216921  

In this paper, a new set of spline functions called ``Flat End Fuzzy Spline" is defined to interpolate given fuzzy data. Some important theorems on these splines together with their existence and uniqueness properties are discussed. Then numerical examples are presented to illustrate the differences between of using our spline and other interpolations that have been studied before.

2012
Mohammad H. Kayvanrad Charles A. McKenzie Terry M. Peters

One approach to accelerating data acquisition in magnetic resonance imaging is acquisition of partial k-space data and recovery of missing data based on the sparsity of the image in the wavelet transform domain. We hypothesize that the application of stationary wavelet transform (SWT) thresholding as a sparsity-promoting operation results in improved artifact removal performance in comparison w...

2004
B. J. McCartin A. Jameson

Previous theoretical (McCartin 1989a) and computational (McCartin 1989b) results on exponential splines are herein applied to provide approximate solutions of high order accuracy to nonlinear hyperbolic conservation laws. The automatic selection of certain "tension" parameters associated with the exponential spline allows the sharp resolution of shocks and the suppression of any attendant oscil...

ژورنال: آبخیزداری ایران 2009
احمد آبادی, علی , فتح نیا, امان اله, قدسیانه, مسعود, واقفی, محمد,

  مطالعه­ی تغییرات بسترهای رسوبی در شناخت رفتار رودخانه، از جمله مسایل مورد توجه مهندسان رودخانه می­باشد. با توجه به این که در قوس رودخانه­ها میزان آبشستگی و رسوبگذاری در مقایسه با مسیرهای مستقیم مشهودتر است، شناخت چگونگی تغییرات توپوگرافی بستر قوس­ها و الگوی آبشستگی و رسوبگذاری از نکات جالب توجه مهندسان هیدرولیک می­باشد. در این پژوهش با استفاده از داده­های آزمایشگاهی در قوس90 درجه و همچنین قوس...

Journal: :International Journal for Research in Applied Science and Engineering Technology 2018

Journal: :International Journal of Computer Applications 2014

1999
Mladen Rogina

It is an important fact that general families of Chebyshev and L-splines can be locally represented, i.e. there exists a basis of B-splines which spans the entire space. We develop a special technique to calculate with 4 order Chebyshev splines of minimum deficiency on nonuniform meshes, which leads to a numerically stable algorithm, at least in case one special Hermite interpolant can be const...

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