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To resolve the problem of large angle and large scale image registration, an improved approach combining log-polar and SIFT is proposed. Firstly, the log-polar technique is implemented in order to achieve the preliminary registration result as well as estimate the arbitrary rotations parameters and large scale changes. Secondly, image is segmented into sub-blocks and six candidates of sub-blocks are...
The enhancement of condensation heat transfer is of practical importance in many industries such as heating, ventilating and air conditioning, power, and aerospace. The present work is concerned with the electrohydrodynamic enhancement of external condensation on single commercial enhanced tubes. Future phases of this work will include applying the technique to practical heat exchangers and developing...
Early warning index system of the risk in logistics operation is the core of the management of early warning for the risks in logistics operation as well as a basis on which overall evaluation model of the logistics operation risk is built. Early warning index system of the risk in logistics operation is made of 6 second-level indexes. They are procurement risk, storage risk, transport risk, loading...
This paper design an integrative ancillary fuzzy logic controller for the Voltage Source Converter based HVDC transmission system, VSC-HVDC, to improve the stability of the AC/ DC system by damping the oscillation effectively after disturbance. The fast control capability of the VSC-HVDC and the process of area mode oscillations are analyzed. No detailed model of the system is required for the design...
In opportunistically connected networks, custody transfer provides a certain degree of reliability as a custodian node cannot discard a message unless its life time expires or the custody is transferred to another node with a commitment. This creates a challenging decision making problem at a node in determining whether to accept a custody transfer: on one hand, it is beneficial to accept a large...
Early warning index system of the risk in enterprise internationalized supply chain is the core of the management of early warning for the risks in enterprise internationalized supply chain as well as a basis on which overall evaluation model of the internationalized supply chain risk is built. Early warning index system of the risk in enterprise internationalized supply chain is made of 6 second-level...
Early warning index system of enterprise international business reputation risk is the core of the management in the early warning of enterprise international reputation risk as well as a basis on which overall evaluation model of the enterprise international reputation is built. The early warning index system of enterprise international reputation risk - first-level indexes - includes seven categories...
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