Method The value of fractional dimension for liver CT image is calculated by differential box counting.
方法以差分盒计算方法计算肝脏CT图像表面灰度的分维数值。
2
The angular response, the radial differential response, the energy response and the distribution of neutron counting rate inside sphere cavity are measured, and the effective centre is estimated.
测量了角响应、径向微分响应、能量响应及球腔内中子计数率分布,并估算了有效中心。
3
The relative efficiency means the ratio of full-energy peak counting efficiency of differential energies to that of 0.8468 MeV.