Method and apparatus for performing local to global multiframe alignment to construct mosaic images
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United States of America Patent
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Jun 20, 2000
Grant Date -
N/A
app pub date -
May 29, 1998
filing date -
Aug 1, 1997
priority date (Note) -
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Abstract
A method and apparatus that determines the topology of a sequence of images and then globally aligns the images with respect to each image's neighboring images. The apparatus includes a topology determination module, a local coarse registration module, a local fine registration module, a global consistency module, and a color matching/blending module. To accurately render a mosaic image from a sequence of images the topology determination and global alignment processes are iterated to progressively produce accurately aligned images. The apparatus efficiently and accurately combines a plurality of source images into a seamless panoramic mosaic representation of a scene, of arbitrarily wide spatial and angular extent, regardless of the order of image acquisition.
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