Bibliography
	H. S. Sawhney and S. Ayer. Compact representation of videos through dominant multiple motion estimation. IEEE Trans. Patt. Anal. Mach. Intel., 18(8):814–830, Aug. 1996. Y. Weiss. Smoothness in layers: Motion segmentation using nonparametric mixture estimation. In CVPR’97, pp. 520–526, June 1997. J. Y. A. Wang and E. H. Adelson.  Representing moving images with layers. IEEE Transactions on Image Processing, 3(5):625--638, September 1994.