function?[outmotionInfo]?=?gbvs（imgparamprevMotionInfo）

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%?????????????????????????????????????????????????????????????????????????????????????????????????????%????????????????????????????
%?This?computes?the?GBVS?map?for?an?image?and?puts?it?in?master_map.??????????????????????????????????%
%?????????????????????????????????????????????????????????????????????????????????????????????????????%
%?If?this?image?is?part?of?a?video?sequence?motionInfo?needs?to?be?recycled?in?a?????????????????????%
%?loop?and?information?from?the?previous?frame/image?will?be?used?if?????????????????????????????????%
%?“flicker“?or?“motion“?channels?are?employed.????????????????????????????????????????????????????????%
%?You?need?to?initialize?prevMotionInfo?to?[]?for?the?first?frame??（see?demo/flicker_motion_demo.m）???%
%?????????????????????????????????????????????????????????????????????????????????????????????????????%
%??input??????????????????????????????????????????????????????????????????????????????????????????????%
%????-?img?can?be?a?filename?or?image?array?（double?or?uint8?grayscale?or?rgb）??????????????????????%
%????-?（optional）?param?contains?parameters?for?the?algorithm?（see?makeGBVSParams.m）??????????????????%
%?????????????????????????????????????????????????????????????????????????????????????????????????????%
%??output?structure?‘out‘.?fields:????????????????????????????????????????????????????????????????????%
%????-?master_map?is?the?GBVS?map?for?img.?（.._resized?is?the?same?size?as?img）???????????????????????%
%????-?feat_maps?contains?the?final?individual?feature?maps?normalized???????????????????????????????%
%????-?map_types?contains?a?string?description?of?each?map?in?feat_map?（resp.?for?each?index）?????????%
%????-?intermed_maps?contains?all?the?intermediate?maps?computed?along?the?way?（act.?&?norm.）?????????%
%??????which?are?used?to?compute?feat_maps?which?is?then?combined?into?master_map????????????????????%
%????-?rawfeatmaps?contains?all?the?feature?maps?computed?at?the?various?scales???????????????????????%
%?????????????????????????????????????????????????????????????????????????????????????????????????????%
%??Jonathan?Harel?Last?Revised?Aug?2008.?jonharel@gmail.com??????????????????????????????????????????%
%?????????????????????????????????????????????????????????????????????????????????????????????????????%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

if?（?strcmp（class（img）‘char‘）?==?1?）?img?=?imread（img）;?end
if?（?strcmp（class（img）‘uint8‘）?==?1?）?img?=?double（img）/255;?end
if?（?（size（img1）?????fprintf（2‘GBVS?Error:?gbvs（）?meant?to?be?used?with?images?>=?128x128\n‘）;
????out?=?[];
????return;
end

if?（?（nargin?==?1）?||?（~exist（‘param‘））?||?isempty（param）?）?param?=?makeGBVSParams;?end
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