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- W2144996190 abstract "Abstract The optical flow method is an approach to motion analysis in the field of computer vision. This method is implemented here to deal with rotational and deformational ice motion, for which the area correlation method shows deficiencies. The results show that the optical flow method has the capacity to cope with the rotation and deformation of an ice cover, while requiring less computing time than the area correlation method. For better representation of the discontinuities of a motion field, a modified version of the optical flow method is presented with the aid of image segmentation. The paper also includes a technique for detecting mean rotation and translation in terms of FFT transformation. In most cases, this technique can simplify and speed up the process of motion retrieval in the Arctic central pack ice area. The algorithm has been applied to fourteen pairs of images acquired in the Arctic Ocean and the Baltic Sea. Three of them are illustrated here to demonstrate the accuracy and other capacities of the algorithm." @default.
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- W2144996190 date "1996-07-01" @default.
- W2144996190 modified "2023-10-16" @default.
- W2144996190 title "Automatic ice motion retrieval from ERS-1 SAR images using the optical flow method" @default.
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- W2144996190 doi "https://doi.org/10.1080/01431169608948759" @default.
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