نتایج جستجو برای: local phase quantization

تعداد نتایج: 1125209  

1997
C. Emmrich H. Römer

It is known that in the WKB approximation of multicomponent systems like Dirac equation or Born-Oppenheimer approximation, an additional phase appears apart from the Berry phase. So far, this phase was only examined in special cases, or under certain restrictive assumptions, namely that the eigenspaces of the matrix or endomorphism valued symbol of the Hamiltonian form trivial bundles. We give ...

2015
Saurabh Agarwal Satish Chand

Performing digital image forgery is very easy due to highly precise image editing tools. There is a concomitant need to have some mechanism to differentiate between a forged image and the original image. In this paper, we propose a passive image forgery detection method that uses entropy filter and local phase quantization (LPQ) texture operator. The entropy filter generally highlights the boun...

2016
R. Kavitha B. Chanda D. D. Majumder

The low and high arrhythmic risk of myocardial infarction is classified based on size, location, and textural information of scarred myocardium. These features are extracted from late gadolinium (LG) enhanced cardiac magnetic resonance images (MRI) of post-MI patients. The risk level caused by features are evaluated by using various classifiers including k-nearest neighbor (k-NN), support vecto...

Journal: :Publications of the Research Institute for Mathematical Sciences 1994

Journal: :International Journal of Modern Physics A 1999

2015
Leon Wong Zhu-Hong You Zhong Ming Jianqiang Li Xing Chen Yu-An Huang Qiang "Shawn" Chen

Protein-Protein Interactions (PPIs) play a vital role in most cellular processes. Although many efforts have been devoted to detecting protein interactions by high-throughput experiments, these methods are obviously expensive and tedious. Targeting these inevitable disadvantages, this study develops a novel computational method to predict PPIs using information on protein sequences, which is hi...

Journal: :International Journal of Geometric Methods in Modern Physics 2010

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