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Imatest软件检测图像的稳定性和比拟明晰度
ImatestRUANJIANZHONGYOUYIGEMOKUAITEDIYONGYUJIANCETUXIANGDEWENDINGXINGHEBINIMINGXIDU，CIMOKUAISHISFRplusDEHOUCHUZHIMOKUAI。
GUANGXUETUXIANGWENDINGXING（YEJIANCHENGISHUOOIS）NENGGOUJINGGUOBINISANZHANGLEISIDESFRplusTUXIANGZHONGXIANGJINDECHENGDUHECHUIZHIXIEBIANDEMTFZHI HUOXIANGDUIZHANGDULAIPOUXI。
1.DIYIZHANGTUWEIBUFAZUOZHANDONGSHIPAISHEDETUXIANG（Unshaken）.
2.DIERZHANGSHIFAZUOZHANDONGSHI，WEIKAIFANGDOUGONGYONGSHIPAISHEDETUXIANG（Shaken without Image Stabilization）。YOUXIEXIANGJIMEIYOUFANGDOUFANKAIHUOGUANBIDEXUANXIANG，ZHEIZHONGZHUANGKUANGXIAYOUJIZHONGBANFANENGGOUTINGZHIFANGDOUXINGNENGDECESHI。YIZHONGSHIYUNYONGZHUNQUEDEMOFANGZHANDONGDESHEBEI，YIZHIBIANHUADEJIAODU。LINGYIZHONGSHIXUANZEYIGELEISIXIANGSUPEIZHIHEJIAOJUDEBUDAIOISGONGYONGDEXIANGJI。
3.DISANZHANGTUSHIFAZUOZHANDONGSHI，FANKAIFANGDOUGONGYONGTINGZHIPAISHEDETUXIANG。
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BIAOZHUN SFRplus CESHIKA |
TESHUDE SFRplus CESHIKA，SHENHUIKUAIDEJIANJUJIAODA， YONGYUSHUNYINGJIAODAFANWEIDEZHANDONG |
BUZHANDONGDETUXIANGZHIXUQIUYIZHANG，DANSHIZHANDONGSHIWEIKAIFANGDOUGONGYONGHEFANKAIFANGDOUGONGYONGTUXIANGZECHANGYIXUQIUDUOZHANG，RU10ZHANGHUOGENGDUO。
BINILIANGZHANGTUXIANGDEMINGXIDUSHI，SHIJIANSHANGSHIBINILIANGZHANGTUXIANGDANGXUANDINGQUYUDEMTFSHUJU，Image Stabilization/Sharpness Compare GONGYONGNENGGOUSHENGCHENGQUANTUXIANGDEBINIJIEGUO。
Image Stabilization/Sharpness Compare SHURUDESHUJUSHILIANGGEHUOSANGEJSONGESHIDEWENJIAN，GAIWENJIANYOUSFRplusMOKUAISHENGCHENG。
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GONGYONGBINI：YIXIALIANGGEGONGYONGDOUNENGGOUBINIBUTONGTUXIANGDEMINGXIDU |
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MTF Compare |
NENGGOUBINIYOUSFR、SFRplus、eSFR ISOMOKUAISHENGCHENGDECSVJIEGUOWENJIAN。NENGGOUBINIMEIGEXIEBIAN。XIANXIANLIANGZHANGTUXIANGDEMTFBIZHAO，（A/B)HUO(B/A)。 |
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OIS/Image CompareImageStabilization/ Sharpness Compare |
JINYONGYUSFRplusMOKUAI。SHURUSHUJUWEILIANGGEHUOSANGEJasonGESHIDEWENJIAN，YOUSFRplusMOKUAISHENGCHENG。ZAISFRplusMOKUAIZHONGBIXUXUANZEImage StabilizationGONGYONG。BINIDETUXIANGZHIJIANXUANZEDEROIQUYUBIXUXIANGTONG。YUNYONGSANZHANGTUXIANGLAIJISUANOISDEYOUXIAOXING。 |
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Batchview |
BatchviewPICHUZHIGONGYONGNENGGOUYONGYUSFR, SFRplusHE eSFR ISOMOKUAI，NENGGOUYONGYUBINIDUOGETUXIANGZHIJIANDECHABIE，BINGJIANGJIEGUOBAOGUANWEIroot file_sfrbatch.csv。 |
1. SHOUXIANPAISHETUXIANG。GUANGZHAOTIAOJIANSHIFENZHONGYAO，YOUYUTAHUIYINGXIANGKUAIMENSUDU，SUOYIBIXUYAOYOUHENHAODEPINGJUNGUANGZHAO，BINGQIECESHIKASHANGMEIYOUFANGUANG。XIANGJIYINGANFANGYUYIGEMOFANGZHENDONGDEPINGTAI，ZHISHAONENGGOUCHANSHENGCHENGDUHEFUYANGXUANZHUANYUNDONG。ZAIFANKAIHEGUANBIFANGDOUGONGYONGSHIFENBIEPAISHE10DAO20ZHANGTUXIANG。
2. FENBIEXUANZEMINGXIDUZUICHADETUXIANG
ZHAOCHUZUIMINGXIDETUXIANGDEBANFASHIFind Sharpnes FilesGONGYONG，TANENGGOUZAIDUOZHANGTUXIANGZHONGKUAISUZHAODAOMTFZHIZUIDADETUXIANG，BINGPAIXUSUOXUANDETUXIANG。
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LINGWAI，ZAISFRplust MOKUAIZHONGYENENGGOUXUANZECombine files for signal averagingGONGYONGDEDAOJUNYUNZHI。 |
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ZAI SFRplusMOKUAIZHONGBINILIANGZHANGHUOSANZHANGTUXIANGSHI，ROIQUYUXUANZEBIXUFENQI。YOUTUSUOXIANXIANDE5GECHENGDUHE5GECHUIZHIQUYUSHIBINIHAODEXUANZE。XUANZEZHONGJIANYIGEWEIZHI，SIGEBIANJIAOWEIZHI，ZUGOUPOUXIZHONGJIANHEBIANYUANFANGDOUDEXIAOGUO。ZIDINGYIROIQUYUYESHIZHICHIDE |
SFRplus QUYUXUANZE |
ROIFANWEIXUANZEWider (HUO Widest)， Smooth for OISXUANXIANGYINJIANXUANZE，YOUYUFANGDOUSHIBIANYUANKENENGSHIFENHANHUHU。
ZAISFRplusSHEZHIZHONGYIDINGYAOXUANZESHI Image StabilizationXUANXIANG。ZHEIYANGNENGGOUQUEBAOSHENGCHENGJASONGESHIDEWENJIAN，YIYONGYUPOUXIXIFANGDOUXIAOGUO。 JIARUNISHIZAIReschartsZHONGMOKUAIZHONGPOUXI，QUEBAOZAIBAOGUANWENJIANSHIXUANZEJASONGESHI。
3. SHOUJICAIPIAOWANGOIS/Image CompareANNIUYUNZHUANImage Stabilization MOKUAI。JIANGXIANXIANYIXIACHUANGKOU。
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Image Stabilization opening window |
CHUANGKOUDEXIABIANHUIRANGNIXUANZEYOUSFRplusMOKUAISHENGCHENGDESANGEJASONWENJIAN 。
4. RANHOUSHOUJICAIPIAOWANGSHANGTUZHONGDECalulateANNIU，JISUANJIEGUO。
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YONGYUDINGYI Image StabilizationCANSHUDEMINGCI |
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。NoS |
NO ShakeDEJIANXIE，DAIBIAOBUZHANDONGDETUXIANG |
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Shake |
ZHANDONGBINGGUANBIOISSHIPAISHEDETUXIANG |
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OIS |
ZHANDONGBINGFANKAIOISSHIPAISHEDETUXIANG |
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POUXIJIEGUO |
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Average edge |
JUNYUNBIANYUANSANBUHANSHU，JINGGUOISO12233GUIFANYINJIANDECHAOFENBIANLVSUANFAJISUAN。 MTFDEFULIYEBIANHUANDEDAOSHUJUNYUNBIANYUAN（JUEDUIZHI）。SHIJIANGEDEHANSHU。 |
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MTF |
Modulation Transfer Function = Spatial Frequency Response. SHIKONGJIANPINLVDEHANSHU。 |
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CONG MTF HUOZHEJUNYUNBIANYUANYANHUADECANSHU |
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MTF50 |
KONGJIANPINLVJIANGLUODAO50%SHIDEPINLVSHIDEDIPINSHUJU。NENGGOUXUANZEBUTONGDEDANWEI。 Cycles/Pixel SHIZUIGENDIDE，QITADANWEIYEHENCHANGYONG。TONGCHANGMTF50(NoS) > MTF50(Shake) > MTF50(OIS). DANGZHEIGECIDIYOUBIANSHI，XUQIUSISUOZAODIANDEYINGXIANG。 |
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R1090 |
DAIBIAO10-90% JUNYUNBIANYUANSHANGSHENGJIANGE |
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R2080 |
DAIBIAO20-80% JUNYUNBIANYUANSHANGSHENGJIANGE. |
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LMTF |
XIANGGUANYUMTF50DEJIANGEZHANGDU，TONGCHANGSHIFENJIEJINYU R1090 LMTF (pixels) = 1/(2*MTF50 (C/P) ). |
Image Stabilization DEPOUXIJIEGUO
Image Stabilization MOKUAIDEZHUYAOMUDESHIJISUANFANKAIOISGONGYONGSHI，MINGXIDUDEGAILIANG。SUOYIZAIJISUANSHIBIXUSISUOJIGEWENTI
BINIJIEGUOZHIXIANXIANOISDEXIAOGUO，SUOYIWEIZHANDONGTUXIANGDEMOHUBIXUCONGQUCHU。
FANKAIHUOGUANBIOISGONGYONGDETUXIANGDAIBIAOLEZHANDONGDEXIAOGUO，SUOYIXUQIUXUANZEMINGXIDUZUICHADETUXIANG。
Image Stabilization DEPOUXIJIEGUOZHUYAOSHIMTFDEBINI，QITADECANSHUZECONGCIYANHUAERLAI。YIXIASHIPOUXIJIEGUODEJIESHI。
MINGCIDINGYI
LMTF (L_MTF) ZHEIGECANSHUSHIYIGEJIANGEDEHANSHUYUR1090DEXIANGGUANXINGJIAOHAO。HAIJIDEMTFSHIFULIYEBIANHUANDEMOSHUMA（JUEDUIZHI），YIWEIZHEXIANGWEIXINXICENGJINGQUCHULE。GUANYUZHANDONGDETUXIANGLAISHUO，KENENGZAIBIANYUANCHANSHENGXIANZHUDEBUGUILVXIANXIANG（BUDUICHENG，XIETIDENG），KENENGSHIR1090 HUOR2080NIUQU，YUNYONGTAMENLAOKAOXINGJIANGLUO。ZHEIXIEBUGUILVSHIBIANYUANXIANGWEIDEYIJUBU，DUIMTFDEYINGXIANGYOUXIAN。XIATUXIANXIANLEZHEIYANGYIGEBIANYUAN。
LMTF = 1/(2*MTF50) （DANGMTF DEDANWEIWEICycles/PixelSHI). (LMTF = 1/MTF50 DANG MTF DEDANWEIWEI LW/PH.SHI) ，ZAIXIATUZHONG， LMTF = 1/(2*0.0399) = 12.5 pixels, YUR1090DESHUJUSHIFENJIEJIN。DANYOUSHIYEHUIYOULIWAI。
ZONGJIE— LMTF (ERBUSHI R1090 or R1080) CANSHUGENGHESHIYUJISUANFANGDOUXIAOGUO，DANGRANSHANGTUZHONGYEJICHULEYIQIESHUJU。
ZHANDONGHEWEIZHANDONGBIANYUANJIANGE
CONGNoS, Shake, and OIS SANLEITUZHONGDEDAODEBIANYUANZHANGDUJISUAN (R1090, R2080, and L_MTF) SHUJUCENGJINGZUGOUCHANMINGFANGDOUXIAOGUO。DANSHIHAINENGGOUDEDAOYIXIATUBIAO。
YIXIASHI18GEBIANYUANDEBINIJIEGUO。
HONGSEJIALIANGQUYUDEPOUXIJIEGUO
YISHANGBIAOGEBAOKUOLEYIQIEDECONGYIGEBIANYUANDEDAODEOIS GainSHUJU，(YOU L_MTF, R1090, HE R1080YANSUANERLAI。
YIXIATUBIAOBAOKUOLEDUOGEQUYUDEPOUXIJIEGUO。DUOGEBIANYUANDEJUNYUNDEOIS gainSHUJUNENGGOUXIANXIANWEIZAI3DTUBIAOZHONG。NENGGOUQIEHUANXUANZEZHIXIANXIANCHENGDUBIANYUAN，ZHIXIANXIANCHUIZHIBIANYUANHUOTONGSHIXIANXIAN。
YIXIAWEI3DTUBIAODEXIANXIAN.
SHOUJICAIPIAOWANG Save data.BAOGUANSHUJUANNIUNENGGOUJIANGJIEGUOBAOGUANWEICSV SHUJU。YIXIASHISHUTINGSHUOMING
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Input file |
1 |
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Date run |
24-Jan-2013 14:49:02 |
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Image path |
C:ImatestDataSFRplusMiscImage_Stabilizationnovibes.bmp |
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Title |
novibes.bmp |
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Height Pxls |
1200 |
Width Pxls |
1600 |
Regions |
18 |
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(This is repeated for the second and (if included) third files.
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Mean of Vertical edges |
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Shake-only |
OIS-only |
Delta |
Fraction |
% |
dB gain |
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1. L_MTF_div |
14.4877 |
9.8802 |
4.6075 |
0.6812 |
31.8824 |
3.3568 |
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2. L_MTF_S1 |
11.7326 |
7.4965 |
4.2361 |
0.6333 |
36.6706 |
4.0072 |
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3. L_MTF_S2 |
14.8671 |
10.4262 |
4.4409 |
0.7001 |
29.9929 |
3.1116 |
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4. R1090_S1 |
12.4647 |
7.7476 |
4.7171 |
0.6213 |
37.8658 |
4.14 |
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5. R1090_S2 |
15.6516 |
10.7458 |
4.9058 |
0.6875 |
31.2493 |
3.2607 |
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6. R2080_S1 |
8.074 |
5.1292 |
2.9448 |
0.6354 |
36.4551 |
3.9865 |
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7. R2080_S2 |
10.1915 |
7.1259 |
3.0657 |
0.6998 |
30.0222 |
3.1304 |
(This is repeated for Horizontal and H&V edges.)
YIXIANEIRONGYINJIANLEImatestDESUANFAYUCIOA DC-X011-2012DEBUTONG。
CIPA (Japan’s Camera & Imaging Products Association) RIBENZHAOXIANGJIYUTUXIANGCHANPINXIEHUISHOUJICAIPIAOWANGLEYIGECAOANBIAOZHUN。CIPA DC-X011-2012, Measurement and Description Method for Image Stabilization Performance of Digital Cameras (Optical Method)。ImatestRUANJIANZHONGDE Imatest Image Stabilization MOKUAISUANFA，YUCIPA DEBIAOZHUNYOUXIEBUTONG，HOUZHEYOUZHEBINIMINGXIANDEQUEXIAN。
Imatest YUNYONGSFRplusCESHIKA，ER CIPAYUNYONGGAOFANCHADEQIPANTUJIASHANGZHONGJIANHEIKUANGNEIDEJINGTAISHUIGUOTUXIANG，CIPADECESHIKAYUNYONGWANZHENGCHUIZHIHECHENGDUBIANYUAN，FANCHACHAOYUE20：1，RONGYICHANSHENGGUOBAOHEDEZHUANGKUANG，CONGERYINGXIANGZHANGLIANGJINGDU。 ERSFRplusCESHIKAGURANNENGGOUZHIZAOCHENGBUTONGDEFANCHA，DANWOMENDEYINJIANYUNYONG4：1DEFANCHA，ZHEIYESHIISO12233：2014GUIFANDEBIAOZHUN。
DC-X011 GUIFANMEIYOUTIJIMTF。MTFZAITUXIANGSHOUJICAIPIAOWANGZHONGYONGYUZHANGLIANGMINGXIDUCENGJINGYONGLEJISHINIAN，ERDC-X011ZHISHICAIYONGLE10-90% BIANYUANSHANGSHENGJIANGEZHEIGECANSHU,XIANGBINIERYANWENDINGXINGJIAOCHA。 WANZHENGCHUIZHIHUOCHENGDUDEBIANYUANYERONGYICHANSHENGXIANGWEIQUYANGCUOWU，ZHEIYESHIWEISHENME2014BANDEISO12233GUIFANCAIYONGLE5DUXIEBIANZUOWEICESHITUANDEYUANYOU。LINGWAICIPAGUIFANQINGQIUPAISHEDETUXIANGGUOYUDUO，LIRUBUZHANDONGDETUXIANGXUQIUYOU10ZHANG(§4-4-1)，ERBINGMEIYOUCHANMINGQUZUIHAO、ZUIHUAIHAISHIJUNYUNZHI。DUIXIEBIANCESHIKALAISHUO，ZHENGCHANGDEPAISHEZHIXUQIUYIZHANGJIKE。
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