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This paper proposes a method to search safe landing site using dual-threshold image segmentation algorithm for Chang'e-3 when the digital elevation map is obtained. Aiming at meeting the need of security, the probe ought to choose a flat ground to land at. Thus an improved dual-threshold image segmentation algorithm is proposed to deal with the shadowed and light split regions of obstacles respectively...
The population distribution of Particle Swarm Optimization (PSO) directly concerns global convergence and searching efficiency of PSO. The reasonable setting of population distribution and operational parameters is an important problems in the application of PSO to perform optimization calculation. Based on the study on how to set the population distribution, such conclusion can be drawn that the...
This paper is committed to solve some key technique of seabed terrain matching. After introduced the specificity of seabed terrain matching, we analyzed the advantage and disadvantage of TERCOM, PDAF (Probabilistic Data Association Filtering) and ICCP (Iterative Closest Contour Point), then a combinational seabed terrain matching algorithm was proposed to improve the accuracy and practicability of...
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