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_07_4_2Dfilter_fromSPT.m
clear;clc;close all;imtool close all %% 1師尦Low Pass Filter愝寁 N = 12; % 師悢 Fpass = 0.3; % 捠夁懷堟廃攇悢 Fstop = 0.35; % 幷抐懷堟廃攇悢 Wpass = 1; % 捠夁懷堟廳傒 Wstop = 1; % 幷抐懷堟廳傒 b = firls(N,[0 Fpass Fstop 1],[1 1 0 0],[Wpass Wstop]) %嵟彫擇忔 慄宍埵憡 FIR 僼傿儖僞乕偺愝寁 (棟憐摿惈偐傜偺廳傒晅偒愊暘擇忔岆嵎傪嵟彫偵) %% 1師尦僼傿儖僞廃攇悢墳摎昞帵 freqz(b,1) %% 忋婰偺偙偲傪丄FDATool偵傛傝愝寁偡傞応崌 fdatool % 愝寁偑姰椆屻丄僼傽僀儖 -> 僄僋僗億乕僩 %% 1師尦僼傿儖僞偺2師尦壔 H2 = ftrans2(b); % 1師尦FIR僼傿儖僞偐傜丄墌懳徧2師尦僼傿儖僞愝寁 figure,freqz2(H2) % 2師尦僼傿儖僞廃攇悢墳摎昞帵 %% 夋憸偺撉崬傒 I = imread('cameraman.tif'); figure;imshow(I); %% 僼傿儖僞張棟 If = imfilter(I,H2); imshow([I;If]);shg %% % Copyright 2014 The MathWorks, Inc.