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In order to reconstruct the all-in-focus image from a conventional camera, a spatially-varying defocus deblurring approach based on blur map and TV/L2 regularization was proposed. Firstly, lenticular defocus model was studied and analyzed, and the principle, characteristic and applicability of disk defocus model and Gaussian defocus model were generalized; Secondly, we modified the local contrast...
A simulation model for joint optimization of GM and spare part inventory control under infinite horizon is presented through analyzing the characteristic of spare part demand of a system under group maintenance (GM) policy. In this model, maintenance activities of GM and spare supply are simulated using Monte Carlo method, by which costs of repair, spare inventory, and loss of system downtime induced...
Dissolved air flotation recovery is one of the feasible microalgae recovery methods. Choose the standard k − ε turbulent calculation model to conduct numerical simulation to the flow field of the dissolved air releaser of the energy microalgae recovery device, and study the structural parameters and power dissipation. The result of the numerical simulation conducted to the value of the velocity, pressure...
This study explores users' continuance intention in online social network by synthesizing Bhattacherjee's IS continuance theory as basis with flow theory, the unified theory of acceptance and use of technology (UTAUT), and social capital theory. The integrated model was empirically tested with 260 online social network users. The results indicate that all hypothesized paths are supported by our data...
Previous studies of government performance have ignored the effects of organizational culture on government performance. Integrated the results of the studies and found that spiritual culture, administration culture and behavior culture are the three common factors among organizational culture factors that effect on government performance. However the research on the relation among the three factors...
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