نتایج جستجو برای: coherency analysis

تعداد نتایج: 2825357  

2011
Yoshio Yamaguchi

Since the successful launch of ALOS in 2006, we have seen significant advances in the utilization of fully polarimetric SAR (PolSAR) data. We are now in the phase of PolSAR applications for sensing and monitoring the Earth’s environment. Specific application areas include natural and man-made disaster monitoring, forest monitoring, crop assessment, oceanography, etc. In this report, a method of...

Journal: :Vietnam Journal of Mathematics 2017

2015
Zhenfeng Shao Congmin Li Nan Yang

One of the main challenges confronting high-resolution remote sensing image matching is how to address the issue of geometric deformation between images, especially when the images are obtained from different viewpoints. In this paper, a robust matching method for Unmanned Aerial Vehicle images of different viewpoint angles based on regional coherency is proposed. The literature on the geometri...

2012
S. Ge T. Wu X. Xiao K. Iramina W. Wu

It is crucial to quantitatively evaluate the treatment of epilepsy patients. This study was undertaken to test the hypothesis that compared to the healthy control subjects, the epilepsy patients have abnormal resting-state connectivity. In this study, we used the imaginary part of coherency to measure the resting-state connectivity. The analysis results shown that compared to the healthy contro...

1994
Christian Queinnec

This paper presents: (i) an operational semantics, based on a functional framework, for a concurrent and distributed extension of the Scheme programming language, (ii) a coherency protocol taking care of shared mutable objects, (iii) a new coherency protocol to imperatively control hierarchical groups of cooperating tasks. These two protocols do not require broadcast, nor FIFO communications, n...

2018
Yuxin Ren Guyue Liu Gabriel Parmer

A core challenge in best utilizing an increasing number of cores in real-time systems is addressing the problem of efficient and predictable resource sharing. Traditional mechanisms for mutual exclusion, such as locks, limit parallelism due to serialized resource access. Relaxing mutual exclusion, readerwriter locks enable selective parallelism for a subset of accesses, but can suffer from incr...

2007
Latif AL-HAKIM

The paper employs a case study methodology and uses performance-importance analysis to determine the information quality dimensions that affect the einnovation process. The selected case is a high technology organisation dealing with the design and manufacturing electronic equipments and tools used for medical test. The equipments designed by the organisation comprise components designed by oth...

1998
S. Ji Heung-Won Park

Two-step image segmentation algorithm is proposed, which is based on region coherency for the segmentation of color image. The first step is the watershed segmentation, and the next one is the region merging using artificial neural networks. Spatially homogeneous regions are obtained by the first step, but the regions are oversegmented. The second step merges the oversegmented regions. The prop...

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