SAR full-image deformation field estimation method based on multi-scale residual image regularization
A multi-scale, deformation field technology, applied in computing, scene recognition, computer components, etc.
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[0055] The technical scheme of the present invention will be further described below in conjunction with the accompanying drawings.
[0056] Such as figure 1 Shown, the technical scheme that the present invention adopts comprises following several key parts and technology:
[0057] The first part: Dense and evenly distributed control point pair generation and high-precision matching strategy.
[0058] The present invention designs a new method on the generation and matching of dense control point pairs. First, we use a large number of SIFT points as candidate control point pairs, so we use the SIFT operator to extract a large number of candidate point pairs. These feature points are relatively dense and relatively evenly distributed, and these points have the characteristics of rich local features.
[0059] The feature point extraction based on SIFT can be summarized as:
[0060] (1) Construction of scale space (2) Extreme point detection (3) Key point location (4) Main di...
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