THREE DIMENSIONAL VOLUME DATA FIELD RECONSTRUCTION FROM PHYSICS MODEL
从物理模型重构三维体数据场

This paper focuses on the problem of data representation and explanation of three-dimensional volume data field based on the physics model of the data. First the data model is set up by three-dimensional geometry model. Then the surfaces are extracted from the data field and match with the model to reconstructure the data field based on the physics model. This paper also presents a subdivision algorithm to fast trace B-spline curve and the anti-approach is adopted to evaluate the control polygon of the curve in order to extract the geometry feature.