Junxiong Zhang, Fen He, Wei Li. Motion Blurring Direction Identification Based on Second-Order Difference Spectrum. In Daoliang Li, Yande Liu, Yingyi Chen, editors, Computer and Computing Technologies in Agriculture IV - 4th IFIP TC 12 Conference, CCTA 2010, Nanchang, China, October 22-25, 2010, Selected Papers, Part II. Volume 345 of IFIP, pages 102-109, Springer, 2010. [doi]