Image analysis – Image transformation or preprocessing
Reexamination Certificate
2007-10-22
2011-11-22
Vanore, David A (Department: 2881)
Image analysis
Image transformation or preprocessing
C382S278000, C382S282000, C382S285000, C382S299000, C382S308000
Reexamination Certificate
active
08064723
ABSTRACT:
The invention provides a method and apparatus for fast volume rendering of 3D ultrasound image, comprising a dividing step, a calculating step, a determining step, a morphological closing operation step and a filling step, wherein each flat grid can be entirely filled by obtaining gray-scale values for all pixels inside the grid through interpolating; for the non-flat grid, the steps of dividing, calculating, determining and filling are performed repeatedly until the non-flat grid is subdivided into atomic grids to calculate gray-scale values for remaining pixels by projection. As the method can be finished in the rear end, no difficulty occurs in the implementation, and no process for being adapted to previous frames is required. Therefore, the method can improve the rendering speed effectively without degrading the quality of image to put 3D ultrasound imaging to the best use.
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Tian Yong
Yao Bin
Christensen Kory D.
Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
Stoel Rives LLP
Vanore David A
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