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BACKGROUND: Existing methods for quantification of lung ventilation require a tracer gas and specialized imaging such as single photon emission computed tomography (SPECT) or magnetic resonance imaging (MRI). Limitations of these methods include slow imaging speed, complex interpretation, and heavy burden on patients. OBJECTIVE: To assess 3D ventilation quantification based on 4D-CT and multi-resolution...
The research of software dynamic trusted measurement is one of the hot spots in trusted computing fields. To the existing problems of methods and theories in the credibility of the dynamic measurement for software, this paper puts forward to use dynamic extracting function return addresses in call stacks for obtaining system call short sequences. On this basis, the short sequences as the basic unit...
Based on the confluences of the different rank streams, a dynamical model of sediment transport in river network is proposed. A river can be divided into segments by the injection of branch streams of higher rank. Since there are no large fluctuations in stream flow and sediment concentration in a lower-water season, the real process in the river network can simulated by our model. With the model,...
The research of software dynamic trusted measurement is one of the hot spots in trusted computing fields. In order to improve current dynamic trusted measurement theories and methods of software. The conceptions of behavior trace are proposed to depict the dynamic characteristics of software behavior. This method uses the chains of function return addresses to derive software normal behavior models...
Prediction of battery's remaining capacity is always a significant issue to which electric vehicle researchers paid close attention. Batteries of different types or the same type batteries of different model varies in prediction model of remaining capacity, the expert's advice obtained from experiment is not so universal that it is significant to build and improve the prediction model of remaining...
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