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According to non-rigid medical image registration, new method of classification registration is proposed. First, Feature points are extracted based on SIFT (Scale Invariant Feature Transform) from reference images and floating images to match feature points. And the coarse registration is performed using the least square method. Then the precise registration is achieved using the optical flow model...
At present, the registration algorithms based on the rigidity medical image are developed and also used well in actual clinical. But the non-rigid medical image registration algorithms are still developing, therefore domestic and foreign researchers put forward various non-rigid registration algorithms. Firstly, this paper analyses the necessity of non-rigid registration. Secondly, specifies the recent...
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