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To reduce data fetching latency in multi-core processor, a new on-chip cache model, Percolation Cache Hierarchy(PCH) that is a hybrid combination of convention on-chip caches, and a new data migration schema, called Percolation Data Migration Schema(PDMS), for moving data massively on PCH to enrich hit possibility and reduce data moving latency, are introduced in this paper. Basing on the percolation...
For any data in memory, the neighborhood of data contains the relations(such as order relations) between these data that have some topology patterns. These patterns provide a base for the time or spatial locality that can be used to improve the data access latency. When the data are migrated to cache hierarchy, these topology patterns should be kept well so as to build a just in-time locality environment...
Auto-Measuring via vision is meaningful to the reconstruction of 3D model. There are many problems to be solved in this area. This article presents a complete flow of 3d measuring system with two CCD cameras, which includes camera calibration, rectification of stereo pair, stereo match and disparity optimization. Introduced the parameters in camera pinhole model, the principle of re-projection in...
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