Singular value decomposition and pyramid wavelet transforms allow two angiographic sequences to be postsynchronized without electrocardiogram signal recording by tracking the heart's cyclic behavior.
SVD and wavelet transforms can be used to analyze digital subtraction angiography images and synchronize sequences without the need for ECG recording.
The authors introduce the singular value decomposition transform and present an application to intraframe, interframe and intersequence analysis for two image sequences resulting from a binocular angiographic system. It is shown that the second singular value follows the heart's cyclic behavior, which allows two angiographic sequences to be postsynchronized without electrocardiogram signal recording. Pyramid wavelet transforms and their application to digital subtraction angiography images are addressed. A novel analyzing wavelet acting like a matched filter is discussed.>
Lecornu et al. (Thu,) conducted a other in Digital subtraction angiography images. Singular value decomposition (SVD) and pyramid wavelet transforms was evaluated on Postsynchronization of angiographic sequences without ECG. Singular value decomposition and pyramid wavelet transforms allow two angiographic sequences to be postsynchronized without electrocardiogram signal recording by tracking the heart's cyclic behavior.
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