RankBoost算法实现，有dll文件。代码为matlab.-rankboost algorithm code implementation.

Diff-rankboost算法,代码功能是产生图片美学质量之间相互的排名差距，便于进一步的进行训练和测试-Diff-rankboost algorithm, code function is to produce the ranking of mutual aesthetic gap between picture quality, ease of further training and testing