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Acoustic lenses, concentrating the acoustic energy into a specific area, have attracted interest due to their broad applications in various domains, such as biomedical imaging, nondestructive testing, etc. For waterborne sound, conventional silicone materials are fabricated with concave shape for focusing wave. However, it is not flexible to design a concave lens than a flat lens to manipulate acoustic...
In X-ray guided bronchoscopy of peripheral pulmonary lesions, airways and nodules are hardly visible in X-ray images. Transbronchial biopsy of peripheral lesions is often carried out blindly, resulting in degraded diagnostic yield. One solution of this problem is to superimpose the lesions and airways segmented from preoperative 3D CT images onto 2D X-ray images. A feature-based 2D/3D registration...
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