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According to the study of biological vision, human visual attention is aroused by observer's tasks and it is a top-down control mechanism. A top-down visual attention model based on similarity distance is proposed in this study. Top-down visual attention model is realized by using similarity distance to obtain visual expectation based on improved Itti's model. A task map is selected by using improved...
In this paper, the GVF snake model with the initial contour obtained by interactive method based on the adaptive threshold segmentation is proposed for the medical image segmentation. Firstly, input a line segment intersecting the desired object edge by user interaction. Find the max gradient magnitude where the cross-point is along the line segment. Then calculate the adaptive gray threshold and...
Service innovation management has only recently emerged as an academic discipline. Studies on innovation performance evaluation in the service sector, however, have received little attention from academic researchers. By reviewing relevant literature, this paper defines the service innovation performance and sets up a service innovation performance evaluation (SIPE) index system in service enterprise...
This study aimed to explore the rationality of herbaceous compatibility of peony liquorice decoction by analyzing the pharmacokinetic parameters of peoniflorin and glycyrrhetinic acid in SD rats' plasma. A HPLC/MS/MS method was used to detect the concentrations of peoniflorin and glycyrrhetinic acid in plasma of SD rats which were administrated with peony, liquorice and peony liquorice decoction,...
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