1、電子信息工程系實(shí)驗(yàn)報(bào)告課程名稱：多媒體技術(shù)基礎(chǔ)實(shí)驗(yàn)項(xiàng)目名稱：圖形用戶界面設(shè)計(jì)班級(jí)：電信072姓名：實(shí)驗(yàn)時(shí)間：2010.12.27學(xué)號(hào)：成績(jī)：指導(dǎo)教師(簽名)一、實(shí)驗(yàn)?zāi)康模赫莆誱atlab的GUI程序設(shè)計(jì)基礎(chǔ)知識(shí)掌握matlab中圖形用戶界面設(shè)計(jì)二、實(shí)驗(yàn)環(huán)境：WindowsXP、MATLAB7.1三、實(shí)驗(yàn)內(nèi)容及步驟：設(shè)計(jì)一圖形用戶界面，實(shí)現(xiàn)圖像處理中的圖片顏色空間的變換雙擊matlab軟件快捷圖標(biāo)打開(kāi)該軟件，單擊GUIDE圖標(biāo)，在彈出的對(duì)話框中選擇CreateNewGUI,GUIDEtemplates:BlankGUI(Default)，點(diǎn)擊ok即創(chuàng)建了一GUI界面。在GUI界面的工具欄中點(diǎn)擊M

2、enuEditor圖標(biāo)創(chuàng)建一些菜單如下圖所示，再在界面中加入兩個(gè)Axes。各菜單的代碼編寫(xiě)如下：(1)打開(kāi)的代碼：furjctiiXTizpsiLCaLlbadijitiiacljhmil柜%tn:riIssejGKil1%swiftdartsiessmd-tobr琵finniinafitiiiflsrsicmifSAIL血%rauUKstratni!：withhardlyardugnditi(smGDEAWEl:baliiDEl;baJ】丄咖1fslsnwL)phUium=untfilif*.bq;*ripsm;t.iw,*.化Filmjp,*-jnti*.jpRt*.tif3*.iif)*

3、.L1filn饑*)1?idmiiicfTerm;th;3Fireadjvujthl;時(shí)CPU】聲衍1：冋;眸tQuhiJIe匚rm?/nibl=rJmH;眸tlunifL!.丁電口止叩暫止8曲1聲|snibltanPJ;titlerSE)(2)保存的代碼:functioriisave_CalIbackChObject,eventdaThandles)SfKDbjecInandleosave(see-GC0O)翼eventdatareserved一tobedefinedinafutureversion,ofMATLABSChAndiesstrurtiaFewiTliharidlesandiia

4、erdaa.(aeeGOTIDATA)iffilenaJKOjpatuiajTLel=ij.ipij.tfile(rjpc;*：bjn.pr.tifP:*rs-avtfilft=strcat(patlhrLWjf;a=ge-timase(gca);lwiwriteCij.file),退出的代碼：closeRGB顏色空間轉(zhuǎn)換到CMY顏色空間的代碼：m.3E;搖提取.圏僚的5量a=rKb(:Zj；尚提取圏憐的E：甘呈brsbC：=3;弼提麻.I5HR的b分量：黑計(jì)掃分筆tikp1=min(min(r,),b;.p2=r4-g*b;S1-31ZtimrS.St計(jì)1np105*(te)+(rb).tR

5、p2=sqrt(r-)Tb2+=2*pi-H(bS):|H=H/3;i_Hs-i=ca(3p.T);es(handll0砂宙毎；xnjshow(*_hsi);titledRGBJgSfeSfSl轉(zhuǎn)棧到鋰空間”)；(6)RGB顏色空間轉(zhuǎn)換到HSV顏色空間的代碼：functionreb2hsv_Callback(Wbjec+jewntdata3handles)%hObjecthwdletoxgb2ksv(setCCBO)%ewntdatareserved一tobedefinedinafutureversionof1WA7LAB%handlesstructurewithhandlesanuserda

6、ia.(seeGUIDATA)globalm,ph5T?=rgb2hsv(im);phphsut：,t#1);ps=phsv(；j?,2);pvphrv(:JI3)；pji=cat(3jph,psBpv)2kxes(handlcEaxes-2):ins:hDW(pn),tilleC師h5色空洵轉(zhuǎn)核到苗痢色空藺);(7)RGB顏色空間轉(zhuǎn)換到Y(jié)CbCr顏色空間的代碼:furiGtionreb2ycbcr_Callba.ck(hObjectfleventdat也handle&)%hObjecthatidletorgbZycbcr(seeCSCBO)%evendatareservied-tobedef

7、firtjedinafutureversion,ofMATLAEShaxidleE*strauucrtuxewith.Randles：anduserda.ta(seeGUTEATA.)globalilli；rffb=im2doubletim);斜5E3ift轉(zhuǎn)換展加誠(chéng)訂卒糞型irgbf-j：j1)；魁提収圏懺的廠符蠱g=r?b(:p2)；齡提取國(guó)棣的lg好蠱ErEb匚3).鈾提眠囲修的圖重7=0-20取*r十,5S7.*g+0.114,+b匚：r=(Cbr-Y)-/1.772)*口-5;Cb=(-)口龍)+CL5;ycbcr-cat(3jYjCr*Cb);Chandltf.axecf);infho-w(ycbcr);titleCRGE!色空阿輅庶到Y(jié)CbCi:瀕色空間),運(yùn)行結(jié)果如下：JduaieitiJRGB顏色空間轉(zhuǎn)換到CMY顏色空間：RGB顏色空間轉(zhuǎn)換到HSI顏色空間-/duoEcitiSIffS圖舫觀&空間轉(zhuǎn)毬到H迪色空間