Edge based alignment algorithm

Details Edge based alignment algorithm Edge based alignment algorithm

2008-03-11

2008-03-11

Wu, Jingge (Department: 2624)

Image analysis

Image enhancement or restoration

Image filter

C382S278000, C382S260000

Reexamination Certificate

active

10666691

ABSTRACT:
A method for aligning images includes (1) selecting a pair of overlapping pixels when two second image are aligned with a camera motion; (2) if both pixels are edge pixels, incrementing a correlation value between the two images for the camera motion; (3) if only one of pixels is an edge pixel, decrementing the correlation value between the two images for the camera motion; (4) repeating steps (1) to (3) for other pairs of overlapping pixels in the two images to determine the correlation value for the camera motion. The method further includes (5) repeating steps (1) to (4) for other camera motions; (6) selecting camera motions having large correlation values; (7) determining matched edge counts for members of the group; (8) selecting the camera motion with the largest matched edge count; and (8) aligning the two images with the selected camera motion.

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patent: 6516087 (2003-02-01), Camus
patent: 2002/0063893 (2002-05-01), Fujieda
patent: 2316255 (1998-02-01), None

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