帮忙下几篇论文1、B.A.Olshausen,“Sparse coding of time-varying natura

帮忙下几篇论文
1、B.A.Olshausen,“Sparse coding of time-varying natural images,”
2、M.Plumbley,S.Abdallah,T.Blumensath,and M.Davies,
“Sparse representations of polyphonic music
3、T.Blumensath and M.Davies,“Sparse and shift-invariant
representations of music.
实在找不全也没关系,有两篇就OK.
请尽快,急用.
大学里都有下论文的权限的啊,