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A novel approach based on graph matching for myocardial motion estimation using cine MRI is presented in this paper. The dissimilarity measure between nodes and that between edges are defined to construct a cost function to measure the dissimilarity between two graphs. The sparsity constraint and affine constraint are introduced into the cost function. The alternating direction method of multipliers...
In bistatic MIMO radar, conjugate ESPRIT exploiting the noncircularity characteristic achieves a higher estimation accuracy and more detectable number of signals, in which all the received signals are noncircular. But it is more realistic that the received signals are coexistence of circular and noncircular signals. Then the conjugate ESPRIT will fail. Therefore, this paper studies the joint direction...
Landmark matching is widely applied in multimodal medical image registration. In this paper, a novel landmarks corresponding estimation combining robust point matching (RPM) and mean shift algorithm is proposed. At first, corners of images are detected to be the landmarks sets. Robust point matching algorithm is used to estimate the coarse transformation parameters between two landmark sets. Next,...
Estimating landmarks corresponding plays a key role in landmark-based multimodal image registration. In this paper, a novel landmarks corresponding estimation in multimodal image registration using mean shift algorithm is proposed. Edge feature potential is defined to transform images from intensity feature space to edge structure feature space. Image corner points are detected as candidate landmarks...
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