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METHOD AND APPARATUS FOR ESTIMATING ROTATION, FOCAL LENGTHS AND RADIAL DISTORTION IN PANORAMIC IMAGE STITCHING
METHOD AND APPARATUS FOR ESTIMATING ROTATION, FOCAL LENGTHS AND RADIAL DISTORTION IN PANORAMIC IMAGE STITCHING
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机译:全景图像拼接中旋转,焦距和径向变形的估计方法和装置
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摘要
Method and apparatus for estimating relative three-dimensional (3D) camera rotations, focal lengths, and radial (lens) distortions from point-correspondences in pairwise (two image) image alignment. A core estimator takes a minimal (three) number of point-correspondences and returns a rotation, lens (radial) distortion and two focal lengths. The core estimator solves relative 3D camera rotations, and lens distortions from 3-point-correspondences in two images in the presence of noise in point-correspondences. A robust estimator may be based on or may be “wrapped around” the core estimator to handle noise and errors in point-correspondences. The robust estimator may determine an alignment model for a pair of images from the rotation, distortion, and focal lengths.
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