inverse fourier transform

基本解釋

The original image was reconstructed exactly through the inverse Fourier transform to the coded image.
對編碼的實值圖像作逆傅裡葉變換，可以準確地重建原圖像。
opticsjournal.net
Convolutional differentiator (CD) is obtained by inverse Fourier transform of bandlimited Fourier spectra of partial derivative operator. CD is symmetric or antisymmetric and decays rapidly.
褶積微分算子是將偏導數(shù)算子的帶限傅氏譜進行反傅氏變換得到的，具有對稱或反對稱和衰減速度快的特點。
xuebao.jlu.edu.cn
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.
將這種濾波器放置在傅裡葉反變換産生相關(guān)輸出之前的聯(lián)郃功率譜麪上，該技術(shù)可以應用在具有不同灰度圖像的模式識別中。