Admissible Measurements and Robust Algorithms for Ptychography

2021 ◽  
Vol 27 (2) ◽  
Author(s):  
Brian Preskitt ◽  
Rayan Saab
Keyword(s):  
Robust Algorithms

Robust algorithms for relative orientation

2001 ◽  
Vol 36 (1) ◽  
pp. 35-38 ◽  
Author(s):  
Judit Somogyi ◽  
L. Battha
Keyword(s):  
Relative Orientation ◽  
Robust Algorithms

Centered error entropy Kalman filter with application to satellite attitude determination

2021 ◽  
pp. 014233122110198
Author(s):  
Baojian Yang ◽  
Lu Cao ◽  
Dechao Ran ◽  
Bing Xiao
Keyword(s):  
Kalman Filter ◽  
Gaussian Noise ◽  
Attitude Determination ◽  
Complexity Analysis ◽  
Iteration Algorithm ◽  
Robust Algorithms ◽  
Convergence Conditions ◽  
Satellite Attitude ◽  
Heavy Tailed ◽  
Non Gaussian

Due to unavoidable factors, heavy-tailed noise appears in satellite attitude estimation. Traditional Kalman filter is prone to performance degradation and even filtering divergence when facing non-Gaussian noise. The existing robust algorithms have limited accuracy. To improve the attitude determination accuracy under non-Gaussian noise, we use the centered error entropy (CEE) criterion to derive a new filter named centered error entropy Kalman filter (CEEKF). CEEKF is formed by maximizing the CEE cost function. In the CEEKF algorithm, the prior state values are transmitted the same as the classical Kalman filter, and the posterior states are calculated by the fixed-point iteration method. The CEE EKF (CEE-EKF) algorithm is also derived to improve filtering accuracy in the case of the nonlinear system. We also give the convergence conditions of the iteration algorithm and the computational complexity analysis of CEEKF. The results of the two simulation examples validate the robustness of the algorithm we presented.

scholarly journals Robust algorithms with polynomial loss for near-unanimity CSPs

2017 ◽  
Author(s):  
Víctor Dalmau ◽  
Marcin Kozik ◽  
Andrei Krokhin ◽  
Konstantin Makarychev ◽  
Yury Makarychev ◽  
...  
Keyword(s):  
Robust Algorithms ◽  
Near Unanimity

scholarly journals Behcet’s Disease: An In-depth Review About Pathogenesis, Gastrointestinal Manifestations And Management

2021 ◽  
Author(s):  
Anthony Nguyen ◽  
Shubhra Upadhyay ◽  
Muhammad Ali Javaid ◽  
Abdul Moiz Qureshi ◽  
Shahan Haseeb ◽  
...  
Keyword(s):  
Behçet’S Disease ◽  
Behcet’S Disease ◽  
Behçet's Disease ◽  
Age Groups ◽  
Clinical Manifestations ◽  
Signs And Symptoms ◽  
Vascular Disorder ◽  
Robust Algorithms ◽  
Behcet's Disease ◽  
Relapsing Remitting

Background: Behcet’s Disease (BD) is a complex inflammatory vascular disorder that follows a relapsing-remitting course with diverse clinical manifestations. The prevalence of the disease varies throughout the globe and targets different age groups. There are many variations of BD, however, intestinal BD is not only more common but has many signs and symptoms. Summary: BD is a relapsing-remitting inflammatory vascular disorder with multiple system involvement, affecting vessels of all types and sizes that targets young adults. The etiology of BD is unknown but many factors including genetic mechanisms, vascular changes, hypercoagulability and dysregulation of immune function are believed to be responsible. BD usually presents with signs and symptoms of ulcerative disease of the small intestine; endoscopy being consistent with the clinical manifestations. The mainstay of treatment depends upon the severity of the disease. Corticosteroids are recommended for severe forms of the disease and aminosalicylic acids are used in maintaining remission in mild to moderate forms of the disease. Key messages: In this review, we have tried to summarize in the present review the clinical manifestations, differential diagnoses and management of intestinal BD. Hopefully, this review will enable health policymakers to ponder over establishing clear endpoints for treatment, surveillance investigations and creating robust algorithms.

scholarly journals Robust algorithms for the solution of the ideal adsorbed solution theory equations

AIChE Journal ◽  
2014 ◽  
Vol 61 (3) ◽  
pp. 981-991 ◽  
Author(s):  
Enzo Mangano ◽  
Daniel Friedrich ◽  
Stefano Brandani
Keyword(s):  
Solution Theory ◽  
Robust Algorithms ◽  
Ideal Adsorbed Solution Theory ◽  
Adsorbed Solution ◽  
The Ideal ◽  
Adsorbed Solution Theory
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