显著性检测GSMRRBDSF算法

运行demo.m以了解如何使用SaliencyOptimization[1]以及SaliencyFilter[2]，GeodesicSaliency[3]ManifoldRanking[4]。[1]WangjiangZhu,ShuangLiang,YichenWei,andJianSun.SaliencyOptimizationfromRobustBackgroundDetection.InCVPR,2014.[2]F.Perazzi,P.Krahenbuhl,Y.Pritch,andA.Hornung.Saliencyfilters:Contrastbasedfilt