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In order to save storage space of a pano-mapping table used in omni-image unwarping, a geometric symmetry method is proposed. First of all, this method partitions a 360° omni-image into eight 45° omni-image sectors. Then, we partition the pano-mapping table into eight regions accordingly, with each pano-mapping table region corresponding to exactly one omni-image sector. We analyze the geometric symmetry...
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