[1] Y. Xu, H. Ji, and Fermüller “A projective invariant for texture”, IEEE Conference on Computer Vision and Pattern Recognition 2006, pp. 1932- 1939. (pdf)

[2] Y. Xu, H. Ji , and C. Fermüller  "Viewpoint invariant texture description using fractal analysis", " International Journal of Computer Vision, 83 (1), 85 - 100 (2009). (pdf)

[3] Y. Xu, S. Huang, H. Ji, and C.Fermüller  "Combining powerful local and global statistics for texture description, " IEEE Conference on Computer Vision and Pattern Recognition 2009. (pdf)

[4] Y. Xu, S. Huang, H. Ji, and C. Fermüller  "Scale-space texture description on SIFT-like textons", " Computer Vision and Image Understanding, 116 , 99 - 1013 (2012). (pdf)