ICP Algorithm With Windows And Mesh Sequence Repairing

With the development of non-contact measurement technology of three-dimensional, particularly the development of laser scanner technique, the ability of collecting3D surface data of actual object is greatly promoted, so a mesh sequence in line with time-varying data of moving object surface emerge. Surface mesh sequence processing has become a research topic that attracts broad attention. During surface mesh sequence processing, registration between frames is a key technology, which has important applications in aspects of mesh sequence reconstruction, segmentation, edit and so on. Mesh sequence generating by actual moving object has more complex structure and exist defects of non-complete sampling, which make it hard to obtain ideal results when use traditional surface registration methods on it. In order to solve the problem, the article do improvement upon classical ICP algorithm and provide ICP algorithm with windows, which is suitable for registration between surface mesh with sample data missing. The method could be used for mesh sequence repairing, which can detect and locate data missing of every frame, so that we can use data offered by other frames of mesh sequence to fill gap and holes in single frame.In the first chapter of the thesis, we explain the backgrounds and significance of the work and recapitulate the basic idea and properties of the classical ICP method as well as a variety of reformative algorithms based on the ICP method. In the next chapter, we introduce and expatiate the principle, the concrete steps, and attributes of the ICP with windows, and give a numerical example. The third chapter is devoted to a discussion on surface mesh sequences, in which we review some basic methods about repairing of surface meshes and surface mesh sequences, and propose a novel approach for surface mesh sequence repairing applying the ICP with windows.