www.gusucode.com > IPCV_Eval_Kit_R2019a_0ce6858工具箱matlab程序源码 > IPCV_Eval_Kit_R2019a_0ce6858/code/demo_files/I2_10_2b_phaseImage.m

    %% 埵憡夋憸偺惗惉
clear;clc;close all;imtool close all

%% 夋憸偺撉崬傒
G = imread('coins.png');
figure;imshow(G);

%% 2師尦偺FFT寁嶼丗嵍忋嬿偑僛儘廃攇悢學悢(DC惉暘)
F = fft2(G);
figure;imshow(log(abs(F)), []);colormap(jet); colorbar;    % DC惉暘偑嵍忋嬿

%% fftshift娭悢傪梡偄丄僛儘廃攇悢學悢(DC惉暘)傪嵍忋嬿偐傜丄拞怱傊堏摦
%     戞堦徾尷偲戞嶰徾尷丄戞擇徾尷偲戞巐徾尷傪擖傟懼偊
Fs = fftshift(F);
figure;imshow(log(abs(Fs)), []);colormap(jet); colorbar;

%% 奺惉暘抣傪怳暆偱惓婯壔 (慡偰偺廃攇悢惉暘偑摨偠怳暆)
Fn = F ./ abs(F);

%% 媡僼乕儕僄曄姺
Gr = ifft2(Fn);
figure; imshow(Gr, []);

%% 廔椆









%%
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