1) connection transformation
关联变换
1.
Compared to traditional extension assessment method,this paper introduces information entropy weight and connection transformation into it and a new extension assessment model is established by combination with fuzzy theory.
相比传统的可拓评价方法,引入了信息熵权和关联变换⑴的概念,结合模糊理论建立了可拓评价模型⑵,从而更好地解决了只能通过不完全的因素来评价岩体质量的矛盾问题,并在某两长大隧道围岩质量的评价中,取得了较好的效果。
2) joint transform correlator
联合变换相关
1.
A photorefractive joint transform correlator for optical pattern recognition is presented.
本文研究了Ce:KNSBN光折变联合变换相关,以Ce:KNSBN光折变晶体作为平方律转换器件,用波长为514。
2.
In this paper, a binary joint transform correlator subtracting a power spectrum baesd on a phase shift technique (DBJTC) is presented.
提出基于相移联合功率谱相减的二元联合变换相关识别的新方法：制作特殊的半波片，采用π相移技术，将零级功率谱从联合功率谱中去掉，并进行二值化。
3.
Computer simulations indicate that the performance of power spectrum differential filter joint transform correlator (JTC) is improved obviously than that of a classical JTC in the areas of peak intensity, Peak-to-sidelobe, half correlation width and so on.
计算机模拟表明，功率谱微分滤波联合变换相关器在相关峰值、旁瓣比、半宽度等方面比一般联合变换相关器有显著的改善，可以大大提高相关图像识别的可靠性。
3) joint transform correlator
联合变换相关器
1.
Relationship between parameters in hybrid optical/electronic joint transform correlator;
光电混合联合变换相关器中各元器件结构参数之间的关系
2.
Hybrid Photoelectric Joint Transform Correlator;
光电混合联合变换相关器
3.
Simulation of image motion measurement based on joint transform correlator;
基于联合变换相关器的像移测量仿真分析
4) Joint transform correlation
联合变换相关
1.
Inaccurate joint transform correlation with changeable focal length and wavelength;
变焦距变波长的非准确联合变换相关
2.
Optic-electronic hybrid joint transform correlation based on computer processing;
基于计算机处理的光电混合联合变换相关
5) JTC
联合变换相关器
1.
The joint transform correlator(JTC) can provide subpixel registration accuracy for the images which were captured at high frame rate with poor SNR.
结果表明,通过对联合变换相关器的输入面采用拉普拉斯卷积核进行边缘提取,对功率谱采用均值进行二值化处理,亚像元像移的测量均方差小于0。
6) Joint Fourier transform correlation
联合变换相关
1.
It transits digital speckle joint Fourier transform correlation (JTC) between the sub-specklegrams from different specklegrams to get the speckle displacement.
提出一种利用联合变换相关法对位移前后的散斑图像实现数字相关运算,通过相关峰的距离与散斑图所携带的位移信息之间的关系,测量物体的面内位移量。
补充资料：Radon变换和逆Radon变换
Radon变换和逆Radon变换
X线物理学术语。CT重建图像成像的主要理论依据之一。1917年澳大利亚数学家Radon首先论证了通过物体某一平面的投影重建物体该平面两维空间分布的公式。他的公式要求获得沿该平面所有可能的直线的全部投影(无限集合)。所获得的投影集称为Radon变换。由Radon变换进行重建图像的操作则称为逆Radon变换。Radon变换和逆Radon变换对CT成像的意义在于，它从数学原理上证实了通过物体某一断层层面“沿直线衰减分布的投影”重建该层面单位体积，即体素的线性衰减系数两维空间分布的可能性。
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