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Shear Wave Imaging (SWI) is an ultrasound based technique for elasticity imaging that has been successfully tested on several organs in the framework of cancer diagnosis. In this work, the potential of this technique to map brain elasticity in vivo on trepanned small animals is investigated. From a SWI scan of the rat brain, 3D elasticity maps are reconstructed reaching a spatial resolution of 800...
The shape of the mitral valve annulus is used in diagnostic and modeling applications, yet methods to accurately and reproducibly delineate the annulus are limited. This paper presents a mitral annulus segmentation algorithm designed for closed mitral valves which locates the annulus in three-dimensional ultrasound using only a single user-specified point near the center of the valve. The algorithm...
The requirements for better resolution in all medical imaging modalities currently represent a very important and open challenge. Accurate measurement and visualization of structure in living tissues is intrinsically limited by the imaging system features. Imaging beyond these limits in medical imaging is referred to as super-resolution. We provide first a brief overview of super-resolution imaging...
Research using small animals continues to play a key role in biological, biomedical and veterinary science. In particular both mouse and rat models have become increasingly popular as research tools due to the fact that 90% of the genomic sequences in these rodents are identical to those found in humans. The versatility of employing a high resolution ultrasound scanner to perform small animal microimaging...
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