Reflecting the difference of information measure of two 3D surfaces, the volume between two Lorentz Surfaces was used to determinate the comparability of the two 3D surfaces.

• 以两洛伦兹曲面所夹体积来反映两三维曲面高斯曲率和法向量分布的差异，依此构成了三维曲面的相似性判别方法。