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Tissue texture reflects the spatial distribution of contrasts of image voxel gray levels, i.e., the tissue heterogeneity, and has been recognized as important biomarkers in various clinical tasks. Spectral computed tomography (CT) is believed to be able to enrich tissue texture by providing different voxel contrast images using different X-ray energies. Therefore, this paper aims to address two related...
Existing intelligent theoretical line losses calculation methods that prevalent on worse line calculation error, are all based on single learning algorithm. In order to overcome this defect, a novel intelligent calculation method based on boosting algorithm is proposed. In this calculation method, the theoretical line losses calculation is abstracted into function fitting problem, in addition, the...
This study aims at predicting accidents for freeways in mountainous and rolling areas in China. The accident prediction model is established in line with the idea of IHSDM accident prediction model, and the geometric alignments are the main considerations during the modeling. Based on the horizontal and longitudinal alignments, the segments were firstly divided into subsections. For the subsections...
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