資源簡介
圖像融合中常用的評價(jià)指標(biāo)（非常全面）如：平均梯度、相關(guān)系數(shù)、信息熵、交叉熵、聯(lián)合熵、均方誤差、互信息、信噪比、峰值信噪比、均方根誤差、空間頻率、標(biāo)準(zhǔn)差、均值、扭曲程度、偏差指數(shù)等等。
代碼片段和文件信息
%計(jì)算平均梯度
clear?all
[filenamepathname]=uigetfile（‘*.*‘‘圖像‘）;
A=imread（[pathnamefilename]）;
%s=size（size（A））;
%if?s（2）==3
%????A=rgb2gray（A）;
%end
A=double（A）;
[MNK]=size（A）;
sum=0;
for?i=1:M-1
????for?j=1:N-1
????????diffX（ij）=A（ij）-A（i+1j）;
????????diffY（ij）=A（ij）-A（ij+1）;
????????w=sqrt（（（diffX（ij））^2+（diffY（ij））^2）/2）;
????????sum=sum+w;
????end
end
AVEGRAD=sum/（（M-1）*（N-1））?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????422??2011-05-23?11:14??評價(jià)指標(biāo)\AverageGradent.m
?????文件????????620??2011-05-23?15:22??評價(jià)指標(biāo)\Corr.m
?????文件????????688??2008-08-14?11:31??評價(jià)指標(biāo)\cross_entropy.m
?????文件????????491??2008-08-14?11:01??評價(jià)指標(biāo)\entropy_.m
?????文件????????697??2008-08-14?11:08??評價(jià)指標(biāo)\joint_entropy.m
?????文件????????388??2011-05-23?14:55??評價(jià)指標(biāo)\MSE.m
?????文件???????1143??2011-05-03?11:15??評價(jià)指標(biāo)\mutual_information.m
?????文件???????1939??2011-05-23?10:34??評價(jià)指標(biāo)\MyEvaluate.m
?????文件????????466??2011-05-23?11:39??評價(jià)指標(biāo)\PSNR.m
?????文件????????592??2011-05-23?11:24??評價(jià)指標(biāo)\RMSE.m
?????文件????????638??2011-05-23?11:24??評價(jià)指標(biāo)\SNR.m
?????文件????????636??2011-05-23?11:34??評價(jià)指標(biāo)\SpaceFrequency.m
?????文件????????490??2011-05-23?11:26??評價(jià)指標(biāo)\StandardDeviation.m
????..A.SH.??????5632??2011-10-22?12:35??評價(jià)指標(biāo)\Thumbs.db
?????目錄??????????0??2012-03-23?14:51??評價(jià)指標(biāo)
-----------?---------??----------?-----??----
????????????????14842????????????????????15
評論
共有 條評論