1) mapping window
变换窗口
2) window transformation
窗口变换
1.
This paper introduces the display approach of DICOM medical images,and presents a fast algorithm of the window transformation of images,which is able to realtimely display DICOM medical images under the condition of continuously adjusting window values of them.
研究DICOM医学图像的显示技术,提出了一种图象窗口变换的加速算法,该算法简洁、实用、加速效果理想,可以在动态连续调节图像窗值的情况下实时地显示DICOM医学图像。
3) windowed Fourier transform
窗口Fourier变换
1.
The windowed Fourier transform is an effective tool of signal analysis in image processing, and it has been widely used in practical applications.
窗口Fourier变换是信号分析、图像处理的有效工具,在实际应用中已经得到了广泛应用。
2.
In this paper,the Hermite function can be got by Gauss wavelet,we use them as the windowed function in windowed Fourier transform,then a family of isomorphic mapping are constructed,such that image spaces are a type of reproducing kernel spaces.
利用高斯小波和由它生成的Hermite函数为窗口函数,进行窗口Fourier变换,由此构造了一类同构映射,并且所得的像空间是一类再生核空间。
4) Windowed Fourier transform
窗口傅里叶变换
1.
Windowed Fourier transform for 3-D shape measurement;
窗口傅里叶变换的三维面形测量
5) windowed Fourier transform
窗口傅立叶变换
1.
For exploring the frequency features of microseismic signals,the frequency spectrum of the signals was obtained with DB5 in 5 levels,and the instantaneous frequency of the signals was achieved with the windowed Fourier transform.
为了研究微地震信号的频率特征,用DB5小波对信号进行5层分解计算显著频率,用窗口傅立叶变换计算瞬时频率,发现频率有衰减趋势。
6) Window geometry transformation
窗口几何变换
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