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Accurate volume estimation of left atrial aneurysm plays an essential role in the early diagnosis and therapy planning. However, it is a challenging task due to huge shape variabilities of aneurysms and great appearance variations of images, which tends to be intractable for segmentation methods. In this paper, we propose a novel estimation method for direct estimation of atrial aneurysm volumes without...
Whether shocks to macroeconomic time series should be regarded as permanent or temporary has been an ongoing debate. Under the unit root hypothesis random shocks have a permanent effect on the system, and the alternative is that fluctuations are transitory. We apply the ADF test on the real GDP series of China from 1952 to 2006 by allowing for the possibility of two exogenous break points happened...
An usual problem in multicast is feedback implosion [Dan89] when a large number of receivers synchronously send feedbacks to the sender. For avoiding it, this paper provides a distributed mechanism to build a representatives set in the group according to the network traffic and group member distribution. They may be used to reflect the situation of entire group. This mechanism has several major...
Inertially stabilized platforms (ISPs) are used to stabilize and maintain the line-of-sight (LOS) of a real-time motion imaging payload in high resolution airborne earth observation system in inertial space. The most critical performance for an ISP is the capability to reject disturbances such as friction and mass imbalance. These disturbances usually can not be suppressed precisely in a typical control...
This paper investigates the relationship between the development of tourism and economy growth. Both two time series are non-stationary, meaning there are unit root in both series and their 1st difference series are stationary. From 1994 to 2007, there is stable relationship between these two series and the number of inbound visitors is the granger reason of the change of foreign exchange income on...
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