Monica Mitiko Soares Matsumoto

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Ultrasonography has an inherent noise pattern, called speckle, which is known to hamper object recognition for both humans and computers. Speckle noise is produced by the mutual interference of a set of scattered wavefronts. Depending on the phase of the wavefronts, the interference may be constructive or destructive, which results in brighter or darker(More)
A good reliable approach to cardiac triggering is of utmost importance in obtaining accurate quantitative results of atherosclerotic plaque burden from the analysis of IntraVascular UltraSound sequences. Although, in the last years, there has been an increase in research of methods for retrospective gating, there is no general consensus in a validation(More)
Intravascular Ultrasound (IVUS) provides detailed measurements of the arterial wall. However, during its acquisition, the contraction of the cardiac muscle provokes a relative motion of the transducer with respect to the artery. Consequently, the acquired images are disordered in space. Therefore, to enhance visualization of the coronary artery, volumes of(More)
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