Shengli Xie Delu Zeng Zhiheng Zhou Jun Zhang Arranging and Interpolating Sparse Unorganized Feature Points With Geodesic Circular Arc. 582-595 2009 18 IEEE Transactions on Image Processing 3 http://dx.doi.org/10.1109/TIP.2008.2010146 db/journals/tip/tip18.html#XieZZZ09