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DEFORMABLE REGISTRATION OF MAGNETIC RESONANCE AND ULTRASOUND IMAGES USING BIOMECHANICAL MODELS
DEFORMABLE REGISTRATION OF MAGNETIC RESONANCE AND ULTRASOUND IMAGES USING BIOMECHANICAL MODELS
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机译:使用生物力学模型的磁共振和超声图像的可变形配准
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摘要
A computer-implemented method for performing deformable registration between Magnetic Resonance (MR) and Ultrasound (US) images include receiving an MR volume depicting an organ and segmenting the organ from the MR volume to yield a first 3D point representation of the organ in MR coordinates. Additionally, a US volume depicting an organ is received and the organ is segmented from the US volume to yield a second 3D point representation of the organ in US coordinates. Next, a plurality of point correspondences between the first 3D point representation and the second 3D point representation are determined. Then, a biomechanical model is applied to register the MR volume to the US volume. The plurality of point correspondences are used as displacement boundary conditions for the biomechanical model.
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