发明名称 |
Method and apparatus for non-shrinking mesh smoothing using local fitting |
摘要 |
A method and apparatus for the smoothing of a mesh surface is disclosed whereby neighboring vertices of a target vertex are identified, for example, by identifying the neighboring vertices within a desired distance from the target vertex. A normal of the target vertex is determined as a function of, for example, the features of a set of neighbor triangles corresponding to the set of neighboring vertices. A local coordinate system is then established. Unknowns in a quadratic surface function are then solved as a function of the position of the neighboring vertices with respect to the local coordinate system and new x and y coordinates in the local coordinate system are determined for the target vertex. These new x and y coordinates are entered into the quadratic surface function to obtain a new smoothed z coordinate for the target vertex. |
申请公布号 |
EP1791091(A2) |
申请公布日期 |
2007.05.30 |
申请号 |
EP20060124856 |
申请日期 |
2006.11.27 |
申请人 |
SIEMENS MEDICAL SOLUTIONS USA, INC. |
发明人 |
FANG, TONG;XIE, HUI;ZHOU, JIN |
分类号 |
G06T17/20 |
主分类号 |
G06T17/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|