Lars Hofsoy Breivik

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Frame rate up conversion in a low frame rate cardiac ultrasound scan makes the images run smoother and potentially increases the diagnostic value of the scan. Linear interpolation is one way of increasing frame rate; however, ghosting and blurring are the main drawbacks of this type of interpolation. In low frame rate cardiac ultrasound imaging, motion(More)
Speckle noise is inherent in ultrasound imaging where it causes reduced contrast resolution and degrades the detectability of small structures. In this paper we propose a real-time multiscale despeckling filter based on the recently proposed Nonlocal Means (NL-means) filter. Our proposed despeckling method applies a cascade of NL-means filters from fine to(More)
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