发明名称 |
Method and apparatus for visualization of 2D/3D fused image data for catheter angiography |
摘要 |
In an image post-processing method and apparatus for 3D visualization of 2D/3D fused image data for use in catheter angiography in an endovascular interventional procedure, upon forward movement of a micro-catheter through blood vessel in the interventional procedure, x-ray images are acquired from different projection directions and are subjected to a pattern recognition algorithm for edge-based segmentation of the image regions filled by the micro-catheter, with all remaining image regions being masked out. The segmented projection exposures are prepared by a 3D reconstruction algorithm to obtain an image data set for (pseudo-) three-dimensional representation of the micro-catheter. This image data set are intraoperatively registered and fused with an image data set acquired from an angiographic pre-examination for three-dimensional visualization of the vessel topography. The reconstructed 3D representation of the catheter is mixed into the three-dimensionally prepared representation of endovascular blood vessel sections to be treated.
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申请公布号 |
US7519414(B2) |
申请公布日期 |
2009.04.14 |
申请号 |
US20040860707 |
申请日期 |
2004.06.03 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
MITSCHKE MATTHIAS;RAHN NORBERT;RITTER DIETER;SCHEUERING MICHAEL |
分类号 |
A61B5/00;A61B6/00;A61B6/12;G06T7/00;G06T11/00 |
主分类号 |
A61B5/00 |
代理机构 |
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