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- W2022388863 abstract "Conventional vessel tracking and segmentation techniques identify the positions and two- dimensional structure of arteries in each frame of the angiographic sequence, but cannot distinguish the artery and background contributions to the intensity. We report a new technique for motion-compensated estimation of artery and background structures in coronary angiograms. The image within a region of interest is modeled as consisting of a sum of two independently moving layers, one of which contains the artery and one consisting of only background structures. The density of each of these layers is solved under two assumptions: (1) within each layer, the density varies from frame to frame only by rigid translation, and (2) the sum of the densities of the two layers equals the actual image density. This technique can be used to enhance image sequences by subtracting the component of the background whose temporal variation is entirely due to rigid translation. The feasibility of this technique is demonstrated on synthetic and clinical image sequences." @default.
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- W2022388863 date "1995-05-12" @default.
- W2022388863 modified "2023-09-23" @default.
- W2022388863 title "<title>Motion-compensated signal and background estimation from coronary angiograms</title>" @default.
- W2022388863 doi "https://doi.org/10.1117/12.208690" @default.
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