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- W209506902 abstract "The ESA's ERS-1 satellite will carry SARs over the polar regions; an important component in the use of these data is an automated scheme for the extraction of sea ice velocity fields from a sequence of SAR images of the same geographical region. The image pyramid area-correlation hierarchical method is noted to be vulnerable to uncertainties for sea ice rotations greater than 10-15 deg between SAR observations. Rotation-invariant methods can successfully track isolated floes in the marginal ice zone. Hu's (1962) invariant moments are also worth considering as a possible basis for rotation-invariant tracking methods. Feature tracking is inherently robust for tracking rotating sea ice, but is limited when features are floe-lead boundaries. A variety of techniques appears neccessary." @default.
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- W209506902 date "1987-01-01" @default.
- W209506902 modified "2023-10-06" @default.
- W209506902 title "Observing rotation and deformation of sea ice with synthetic aperture radar" @default.
- W209506902 hasPublicationYear "1987" @default.
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