Yefeng Zheng Bogdan Georgescu Dorin Comaniciu Marginal Space Learning for Efficient Detection of 2D/3D Anatomical Structures in Medical Images. 411-422 2009 IPMI http://dx.doi.org/10.1007/978-3-642-02498-6_34 conf/ipmi/2009 db/conf/ipmi/ipmi2009.html#ZhengGC09