Importance

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Abstract

A method for correlating an image to align two sensors comprising the steps of centering an imaging unit on a landmark that provides good contrast and distinct edges so as to provide a scene, taking a snapshot of the scene from both sensors, applying a Sobel edge filter to the image from both sensors to create two strong edge maps, cropping a small block of one image centered about the landmark and cross-correlating it on a larger region centered on an expected position of the landmark in the other image, and from the position of the strongest correlation peak determining the position of the center of the block from the first image, providing the difference in the alignment of the two sensors.

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First Claim