专利名称：System and method for image registration
based on variable region of interest
发明人：Eric P. Lam,Christopher A. Leddy,Harrison A.
Parks,Stephen R. Nash
申请号：US13369914申请日：20120209公开号：US08620086B2公开日：20131231
专利附图：
摘要：An image registration system for aligning first and second images. The novelsystem includes a first system for extracting a region of interest (ROI) from each image
and a second system for coarsely aligning the regions of interest. The first systemdetermines the size and location of the ROI based on the number of features containedwithin the region. The size of the ROI is enlarged until a number of features contained inthe ROI is larger than a predetermined lower bound or until the size is greater than apredetermined upper bound. The second system computes a cross-correlation on theregions of interest using a plurality of transforms to find a coarse alignment transformhaving a highest correlation. The image registration system may also include a thirdsystem for performing sub-pixel alignment on the regions of interest.
申请人：Eric P. Lam,Christopher A. Leddy,Harrison A. Parks,Stephen R. Nash
地址：Diamond Bar CA US,Hunington Beach CA US,Los Angeles CA US,Playa Del RayCA US
国籍：US,US,US,US
代理机构：Pierce Atwood LLP
代理人：Joseph M. Maraia
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