Baojun Han

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The incidence of osteoporosis continues to increase with progressively aging populations. The purpose of this study was to detect the effects of glucocorticoid (GC) treatment on bone mineral density (BMD), biomechanical strength and micro-architecture in cancellous and cortical bone in ovariectomized (OVX) rabbits. Twenty adult female New Zealand white(More)
The immune algorithm-IA is proposed with analogies to the concept and the theory of immunity in biotic science. It inherits the CA's advantages and avoids the deterioration-phenomenon. The IA needs the feature or knowledge of problem-space as the vaccine. Spatial matrix describes the probabilities that one area is the neighbor of other areas. Different(More)
In the non-contact measurement field, CCD camera is used widely. However, it is restrict in some area, especially in military, for the size of its cells. The paper proposes an algorithm for improving the precision of edge detection and location by arithmetic aspect. This method is based on human visual characteristics, which is convenient for observation by(More)
A novel algorithm for high-precision edge location based on human visual properties is proposed considering characteristics of cannon barrel images, which improves the observation effect of spying bore images and diminishes the target image ambiguity caused by background and noise. The variable gray scale area method is applied according to the image(More)
Among so much embedded image coding algorithms, the SPECK algorithm gains more and more applications for it’s special features. But considering some disadvantages, An improved SPECK algorithm is presented in this dissertation, Besides the high coding efficiency, the improved algorithm preserves the properties of the SPECK. The experimental results(More)
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