Outlier detection using optimal B-spline smoothing with application to data compression of digital-ink with pen-slip

2014 ◽  
Author(s):  
Hiroyuki Fujioka ◽  
Hiroyuki Kano
Keyword(s):  
Data Compression ◽  
Outlier Detection ◽  
Spline Smoothing ◽  
B Spline ◽  
Digital Ink

Optimization of regularized B-spline smoothing for turbulent Lagrangian trajectories

2021 ◽  
pp. 110376
Author(s):  
Adam Cheminet ◽  
Yasar Ostovan ◽  
Valentina Valori ◽  
Christophe Cuvier ◽  
Fançois Daviaud ◽  
...  
Keyword(s):  
Spline Smoothing ◽  
B Spline

scholarly journals CONVERGÊNCIA DE RENDA PARA OS MUNICÍPIOS BRASILEIROS: UMA APLICAÇÃO DO MÉTODO CONSTRAINED B-SPLINE SMOOTHING (COBS) – NO PERÍODO DE 2000 A 2010

2013 ◽  
Vol 39 (2) ◽  
Author(s):  
Wilians Santos Silva ◽  
Adriano Nascimento Da Paixão
Keyword(s):  
Spline Smoothing ◽  
B Spline ◽  
B Splines ◽  
Per Capita

P { margin-bottom: 0.21cm; direction: ltr; color: rgb(0, 0, 0); widows: 2; orphans: 2; }A:link { color: rgb(0, 0, 255); } P { margin-bottom: 0.21cm; } P { margin-bottom: 0.21cm; }Este trabalho verifica a formação de clubes de convergência de renda para os municípios brasileiros no período de 2000 a 2010, através dos métodos não paramétricos de: densidade  Kernel, regressão quantílica linear e o doconstrainedsmoothing B-splines (COBS).A análise da densidade Kernel indicou que a distribuição da renda é bimodal. Já o modelo de regressão quantílica linear testou duas hipóteses: P { margin-bottom: 0.21cm; }i) a de β-convergência absoluta, onde somente o quinto e o décimo percentil convergiram; e a ii) a de β-convergência condicional que teve como variáveis explicativas: a renda per capita e os anos de estudos e como resultado, a educação é mais eficiente para mitigar a desigualdade nos municípios mais pobres.Enfim, o método constrained smoothing BsSplines que testou a hipótese de β-convergência e constatou a não linearidade entre os quantis e ratificou a formação de dois polos de convergência.  

scholarly journals Digital Images with 3D Geometry from Data Compression by Multi-scale Representations of B-Spline Surfaces

2011 ◽  
Vol 1 (3) ◽  
pp. 240-250 ◽  
Author(s):  
K. Koch
Keyword(s):  
Data Compression ◽  
Laser Scanning ◽  
3D Model ◽  
Digital Images ◽  
Three Dimensional Model ◽  
B Spline ◽  
Multi Scale ◽  
Spline Surface ◽  
Spline Surfaces ◽  
3D Geometry

Digital Images with 3D Geometry from Data Compression by Multi-scale Representations of B-Spline SurfacesTo build up a 3D (three-dimensional) model of the surface of an object, the heights of points on the surface are measured, for instance, by a laser scanner. The intensities of the reflected laser beam of the points can be used to visualize the 3D model as range image. It is proposed here to fit a two-dimensional B-spline surface to the measured heights and intensities by the lofting method. To fully use the geometric information of the laser scanning, points on the fitted surface with their intensities are computed with a density higher than that of the measurements. This gives a 3D model of high resolution which is visualized by the intensities of the points on the B-spline surface. For a realistic view of the 3D model, the coordinates of a digital photo of the object are transformed to the coordinate system of the 3D model so that the points get the colors of the digital image. To efficiently compute and store the 3D model, data compression is applied. It is derived from the multi-scale representation of the dense grid of points on the B-spline surface. The proposed method is demonstrated for an example.

A B-spline based method for data compression, process monitoring and diagnosis

1998 ◽  
Vol 22 ◽  
pp. S827-S830 ◽  
Author(s):  
Hiranmayee Vedam ◽  
Venkat Venkatasubramanian ◽  
Mohan Bhalodia
Keyword(s):  
Data Compression ◽  
Process Monitoring ◽  
Compression Process ◽  
B Spline ◽  
Monitoring And Diagnosis
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