function?outval?=?AG_evaluation（img）?
%?OUTVAL?=?AVG_GRADIENT（IMG）?
?
if?nargin?==?1?
????img?=?double（img）;?
????%?Get?the?size?of?img?
????[rcb]?=?size（img）;?
?????
????dx?=?1;?
????dy?=?1;?
????for?k?=?1?:?b?
????????band?=?img（::k）;?
????????[dzdxdzdy]?=?gradient（banddxdy）;?
????????s?=?sqrt（（dzdx?.^?2?+?dzdy?.^2）?./?2）;?
????????g（k）?=?sum（sum（s））?/?（（r?-?1）?*?（c?-?1））;?
????end?
????outval?=?mean（g）;?
else?
????error（‘Wrong?number?of?input!‘）;?
end

end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-06-22?18:21??Evaluation\
?????文件?????????493??2020-04-18?00:09??Evaluation\AG_evaluation.m
?????文件???????19659??2017-06-06?10:39??Evaluation\analysis_fmi.m
?????文件????????4351??2018-01-04?13:36??Evaluation\analysis_ms_ssim.m
?????文件????????4765??2017-06-07?10:06??Evaluation\analysis_nabf.m
?????文件????????2965??2017-03-27?21:10??Evaluation\analysis_Qabf.m
?????文件????????2232??2020-04-18?11:04??Evaluation\analysis_Reference.m
?????文件?????????566??2017-06-06?15:53??Evaluation\analysis_SCD.m
?????文件?????????344??2020-04-18?08:59??Evaluation\CC_evaluation.m
?????文件?????????792??2020-04-17?18:28??Evaluation\entropy_fusion.m
?????文件?????????967??2018-09-29?15:40??Evaluation\Hab.m
?????文件????????6328??2020-06-22?18:20??Evaluation\main.m
?????文件????????2631??2014-11-28?11:28??Evaluation\mef_ssim.m
?????文件?????????900??2020-04-17?22:53??Evaluation\MI_evaluation.m
?????文件?????????153??2020-03-09?16:09??Evaluation\MSE_evaluation.m
?????文件?????????934??2013-01-12?03:08??Evaluation\per_extn_im_fn.m
?????文件?????????187??2020-03-09?16:09??Evaluation\PSNR_evaluation.m
?????文件?????????107??2020-03-09?16:04??Evaluation\SD_evaluation.m
?????文件?????????163??2020-03-09?16:04??Evaluation\SF_evaluation.m
?????文件????????3972??2005-05-15?00:02??Evaluation\vifp_mscale.m