Each of its pixels is sensitive to specific incident angles and supplies a component of the mathematical operation called the Fourier Transform to produce an image about 20 pixels across.
它的每一个像素点都对指定的入射角十分敏感，并提供一部分称为“傅里叶变换”的数学运算以产生一张20像素的图像。
A new optical image encryption method using anamorphic fractional Fourier transform and double random phase encoding is proposed.
提出一种利用变形分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical image encryption method using dissymmetrical fractional Fourier transform and double random phase encoding was presented.
提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
By using the fast Fourier transform and optimized filter, the impact of image noise has been reduced, so we can estimate the correlation peak fast and accurate.
通过采取快速傅立叶变换以及优化滤波减弱了图像噪声对相关波峰的影响，能快速、准确、实时的对相关点进行定位。
The imaging quality measuring module includes three sub modules: initial configuration sub module, image data acquisition sub module, fourier transform sub module.
像质测量模块划分为三个子模块：初始化配置子模块、获取图像数据子模块、傅立叶变换子模块。
The edge Fourier transform is an important shape descriptor, but it makes use of only the image edge information ignoring the image region information.
基于边界的傅立叶变换是一种重要的形状描述方法，其只利用了图像的边界信息，而忽略了图像的区域信息。
Both convolution Backprojection (CBP) method and direct-Fourier (DF) reconstruction method are the representative algorithms of transform methods in image reconstruction.
卷积反投影(CBP)与直接傅立叶重建(DF)同是图像重建中变换法的典型算法。
The Fourier transform power spectrum of input object can be obtained when the input image is placed at the front or back of the hololens.
将输入图像置于这种全息透镜的前面或后面，均能得到物体的傅里叶变换功率谱。
Then according to the properties of discrete Fourier transform, it deduces the discrete Fourier invariant features that are employed on facial image recognition.
依据离散傅里叶变换性质，推导出离散傅里叶变换的不变特征，并将其用于人脸图像识别。
Neither the coherent optical input image nor the Fourier transform hologram of the reference image is required by this system.
这个系统既不需要相干光输入图像，也不需要基准图像的付氏变换金息图。
Short time Fourier transform was used to analyze the simulated signal in the time-frequency domain, a micro-Doppler image that can demonstrate the target characteristics was generated.
采用了短时傅里叶变换方法对仿真信号进行了时频分析，得到了能够较好地反映目标特征的微多普勒图像。
The OTF (Optical Transfer Function) of an optical system can be evaluated by the Fourier Transform of the first derivative of the optical image of an knife-edge (object).
对光学系统输出刀口像的一阶导数做傅里叶变换，可以得到该系统的光学传递函数（OTF）。
The special property analysis of Fourier transform on image processing is first given in this paper, and the physical significance of Fourier transform is also given.
针对数字图像处理的特点，对傅立叶变换用于图像处理的特性进行了分析，给出了傅立叶变换用于图像处理时的物理意义。
In this paper we discuss the mechanism of using Fourier transform on texture identification and then suggest a texture image segmentation algorithm based on Fourier transform.
讨论了傅氏变换应用于纹理识别的机理，并基于此提出了一种图象分割算法。
Once the process has converged, taking the Fourier Transform of the PSF gives the estination of the low resolution image MTF.
一旦迭代过程收敛，通过对点扩散函数进行傅立叶变换即可得到待测低分辨率图像的MTF。
The original image was reconstructed exactly through the inverse Fourier transform to the coded image.
对编码的实值图像作逆傅里叶变换，可以准确地重建原图像。
Study two of the most important basic operations in digital image processing: 2-D Discrete Fourier Transform and 2-D Discrete Convolution Transform. Map them on RCA.
研究了数字图像处理中两种最常用的算子——离散二维傅立叶变换和离散二维卷积，并给出了它们在RCA上的映射策略和映射过程。
It presents a blind image watermarking scheme based on fractional Fourier domain by utilizing that the order of fractional Fourier transform is freewill.
利用分数傅立叶变换级次的任意性，提出了一种基于分数傅立叶域图象水印方案。
The filter is put on the power spectrum before applying the inverse Fourier transform to yield the correlation output. This technique can be used in pattern recognition of grey level input image.
将这种滤波器放置在傅里叶反变换产生相关输出之前的联合功率谱面上，该技术可以应用在具有不同灰度图像的模式识别中。
Due to wavelet transforms efficiently overcoming the limitations of Fourier transform in dealing with unstable and complicated signal, they are popular in image compression and signal processing.
由于小波变换有效地克服了傅氏变换在处理非平稳的复杂信号时所存在的局限性，因而在图像与信号处理领域受到了广泛的重视。
In order to increase the security of the image encryption, the weighted fractional Fourier transform with dilation parameter (PWFRFT) is proposed.
为了提高图像加密的安全性，提出了一种多参数加权类分数傅里叶变换。
Each of its pixels is sensitive to specific incident angles and supplies a component of the mathematical operation called the Fourier Transform to produce an image about 20 pixels across.
这款相机的每个点能够感知特定的入射光角度，再通过内置的傅立叶转换数学运算系统，生成一张约20个像素的照片。
The experimental result shows: In the digital Fourier holography, the reconstructed image and the conjugate image can be obtained by use of Fourier inverse transform directly.
结果表明：直接对无透镜傅里叶数字全息图进行傅里叶逆变换可同时得到与物体完全相同的再现像及其共轭像；
The Fourier transform profilometry as an active optical 3d shape measurement technology has been widely concerned because it need only one deformed grating image to make full-field analysis.
而傅里叶变换轮廓术作为一种主动光学三维形貌测量技术，因其只需要一幅变形光栅图样来做全场分析的优点，而受到人们广泛关注。
The spatial spectra of net rift for image processing have been mathematically analysed by means of 2d Fourier transform. Its directional property has been found.
本文利用二维付里叶变换对图象中网络构造的频谱作了数学分析，并指出了它的方向特点。
A cross correlation algorithm based on Fast Fourier Transform (FFT) for Digital Particle Image Velocimetry (DPIV) is discussed thoroughly in this paper.
详细研究了基于快速傅立叶变换(FFT)的数字粒子图象测速技术(DPIV)的互相关算法。
In this paper, the method for carrying out the image reconstruction by means of the 2-dimensional discrete Fourier transform (DFT) is introduced in detail.
本文详细地介绍了利用二维离散付里叶变换(DFT)进行图象复原的方法。
The simulation method of artificial particle image pairs are presented. The results extracted from Fourier transform method, spatial correlation method and probabilistic method of...
本文还采用粒子像模拟技术，用几种图像处理方法：傅里叶变换法、空间自相关法和位移距离概率统计法分别进行处理，得到了相同的结果。
The simulation method of artificial particle image pairs are presented. The results extracted from Fourier transform method, spatial correlation method and probabilistic method of...
本文还采用粒子像模拟技术，用几种图像处理方法：傅里叶变换法、空间自相关法和位移距离概率统计法分别进行处理，得到了相同的结果。
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