Model completion via deformation cloning based on an explicit global deformation model

  • Han Q
  • Strup S
  • Carswell M
 et al. 
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Abstract

Our main focus is the registration and visualization of a pre-built 3D model from preoperative images to the camera view of a minimally invasive surgery (MIS). Accurate estimation of soft-tissue deformations is key to the success of such a registration. This paper proposes an explicit statistical model to represent global non-rigid deformations. The deformation model built from a reference object is cloned to a target object to guide the registration of the pre-built model, which completes the deformed target object when only a part of the object is naturally visible in the camera view. The registered target model is then used to estimate deformations of its substructures. Our method requires a small number of landmarks to be reconstructed from the camera view. The registration is driven by a small set of parameters, making it suitable for real-time visualization.

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Authors

  • Qiong HanUniversity of Kentucky Department of Radiology

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  • Stephen E. Strup

  • Melody C. Carswell

  • Duncan Clarke

  • Williams B. Seales

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