您要查找的是不是：
- This method include 3D Euclidean distance transform, computer the Hessian matrix in every voxel,and visibility test. 主要步骤包括:三维欧几里德距离变换,求Hessian矩阵,可视化检测几个步骤。
- After that, the visibility test with an adaptive visibility sphere radius, which is determined by the eigenvalues of the Hessian matrix, is carried out to remove the useless voxels in the centerline. 然后进行可视性检测以确定最终的路径点,可视球的半径通过hessian矩阵的特征值自适应地确定;
- Visibility Test in Hierarchical Radiosity with Clustering 层次结构辐射度渲染中的可见性测试
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- The pilot reports bad visibility over the airport. 飞行员向机场报告能见度很低。
- Visibility Testing and Culling to increase speed 可见性测试和速度的提高
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- Black smog reduced visibility to about fifty yards. 黑色的烟雾使能见度降到大约五十码左右。
- Visibility was down to 100 metres in the fog. 大雾中能见距离已降至100米。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- Let us show you to see the engine to test. 让我们指给你看要测试的发动机。
- He is answering the test paper busily. 他正忙着答考试卷。
- Don't tumble down on this easy test. 这次考试不难，你可别考砸了。
- Tomorrow we'll have a history test. 明天我们将进行历史测验。
- That driving test was a real doddle. 那次驾驶执照的考试真是易如反掌。
- The battery is on test at the moment. 此刻正在对这种电池进行测试。
- But for Tim, the whole class passed the test. 除蒂姆之外，全班都通过了这次考试。
- The boys were given an intelligence test. 那些孩子们接受了智力测验。
- Dense fog is covering roads in the north and visibility is very poor. 浓雾笼罩了北部的公路，能见度很低。
