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In order to test the overall credit risk of loans of China's banking system, a macroeconomic credit risk model is designed, including a multiple linear regression model describing default probability, and a set of regression models describing macroeconomic environment. Studies show that bank loan default rates and key macroeconomic factors are related. Then stress tests are implemented one by one...
With the yearly increase of export proportion in China's economy, China's economic growth is relying more and more on export. In the current case of weak external demand, Exports plays an important role in the stability of China's future economic development. Through the State Space Model, the paper has tested the variation tendency of how much China's economy rely on export, which turns out that...
In this paper, a method for modeling the deformation behavior of organs and soft tissue is presented. The purpose is to predict the global deformation effect that arbitrary, time-varying external perturbations have on an organ. The perturbation might be caused by an instrument (e.g., through the surgeonpsilas grasping and pinching actions), or it might be from organ-organ, organ-body-wall collisions...
This paper reports a technique that improves the robustness and accuracy in computing dense optical-flow fields. We propose a global formulation with a regularization term. The regularization expressions are derived based on tensor theory and complex analysis. It is shown that while many regularizers have been proposed (image-driven, flow-driven, homogeneous, inhomogeneous, isotropic, anisotropic),...
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