function?s=csnr（ABrowcol）

[nmch]=size（A）;

if?ch==1
???e=A-B;
???e=e（row+1:n-rowcol+1:m-col）;
???me=mean（mean（e.^2））;
???s=10*log10（255^2/me）;
else
???e=A-B;
???e=e（row+1:n-rowcol+1:m-col:）;
???e1=e（::1）;e2=e（::2）;e3=e（::3）;
???me1=mean（mean（e1.^2））;
???me2=mean（mean（e2.^2））;
???me3=mean（mean（e3.^2））;
???s（1）=10*log10（255^2/me1）;
???s（2）=10*log10（255^2/me2）;
???s（3）=10*log10（255^2/me3）;
end


return;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-11-15?19:03??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\
?????文件????11235317??2011-11-21?09:01??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\CVIU_07_July.pdf
?????目錄???????????0??2011-11-21?08:37??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\dmzoom\
?????文件??????655029??2011-11-15?18:28??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\dmzoom.rar
?????文件?????????440??2006-09-26?13:59??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\dmzoom\csnr.m
?????文件????????3197??2008-01-07?12:34??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\dmzoom\dmsc_b.m
?????文件????????1295??2008-01-07?12:35??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\dmzoom\edintp1.m
?????文件?????1179840??2003-06-08?04:43??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\dmzoom\kodak_fence.tif
?????文件?????????917??2008-01-07?12:36??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\dmzoom\main_dmzoom.m
?????文件???????99434??2008-01-07?12:23??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\dmzoom\s_fence.tif
?????文件?????????596??2006-04-01?23:30??A?joint?demosaicking-zooming?scheme?for?single?chip?digital?color?cameras（2007）\dmzoom\zoomcd3.m