Patent ID: 6512857
Filing Date: 2003-01-28
Classification: G06T

Abstract:
A system for performing geo-spatial registration of an input image and geographically calibrated reference imagery comprising:a reference database module containing geographically calibrated reference imagery, for producing geographically calibrated reference imagery relating to imagery in said input image; and an alignment module, coupled to said reference database module, for aligning said input image to said geographically calibrated reference imagery, where said alignment module comprises: a coarse alignment block, coupled to said reference database module and a sensor attitude source, for aligning said geographically calibrated reference imagery to alignment with said input image by using attitude information generated from said sensor attitude source, where said attitude information pertains to a sensor producing said input image, and a fine alignment block, coupled to said coarse alignment block, for accurately aligning said input image to said geographically calibrated reference imagery to a sub-pixel accuracy.