1) the red-free fundu photography
无赤光照相
2) illumination invariant
光照无关
1.
Experiment shows that the new algorithm is illumination invariant,which can achieve better preprocess result and can increase recognition .
实验表明该算法具有光照无关性,能取得良好的光照纠正效果,并可大幅度提高复杂光照环境下的人脸识别率。
3) X-ray radiography
X光照相
1.
A point spread function and a cost function are obtained with a physical analysis of the high-energy x-ray radiography.
通过对高能X光照相过程的物理分析,得到了辐射照相的点扩展函数,给出了估价函数的表达式。
5) flash radiography
闪光照相
1.
The influence of high-energy X-ray flash radiography surroundings and capability parameters of CCD instruments to the MTF of CCD was simulated.
模拟了高能X光闪光照相环境及CCD器件性能参数对CCD的MTF的影响。
2.
Thus,the GV regularized algorithm is an efficient image reconstruction algorithm for flash radiography with better performance of noise smoothing and edge preserving.
针对闪光照相图像信噪比低的特点,提出了一种基于广义变分正则化的图像重建算法,该方法采用p-范数取代目前广泛采用的全变分范数作为正则项,构造了用于图像重建的展平泛函,将图像重建问题转化为目标泛函最优化问题,采用固定点迭代法求解图像重建的最优解。
6) flash X-ray radiography
闪光照相
1.
In order to improve CCD images received from the flash X-ray radiography,a new method called intelligent median-nonlinear diffusion filtering(IMNDF) were proposed based on nonlinear Partial Differential Equation(PDE).
对闪光照相CCD图像取得了很好的消噪声结果。
2.
Z-pinch and flash X-ray radiography have an important application in inertial confine fusion(ICF)and nuclear radiation effects simulation and high performance hydrodynamic test,etc.
Z箍缩和闪光照相在惯性约束聚变(ICF)、核辐射效应和高性能爆轰流体动力学等研究中具有重要应用,Z箍缩ICF和多脉冲多角度高能脉冲X射线闪光照相对脉冲功率源提出了巨大挑战,国际上正在积极发展和探索可实现直接驱动Z箍缩和闪光照相二极管的快脉冲功率源新技术。
3.
Application of LTD in such fields as Z-pinch and flash X-ray radiography are reviewed.
概述了近年来国际上快脉冲LTD技术的研究现状,介绍了快脉冲LTD在Z箍缩和闪光照相两个应用领域的发展,重点介绍了具有代表性的装置的概念设计及研究进展;对快脉冲LTD技术所涉及的开关、触发系统等关键技术进行评述,并在此基础上提出了进行快脉冲LTD技术研究需关注的重点问题及研究途径。
补充资料：必赤赤
1.见"必阇赤"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条