1. Rosin, P.L, Ellis, T.: Image difference threshold strategies and shadow detection. Institute of remote sensing applications, Joint Research Center, Italy
2. Yao, J., Zhang, Z.: Systematic static shadow detection. In: Proceedings of the 17th International Conference on pattern Recognition, 1051–4651. IEEE, Computer Society (2004)
3. Stauder, J., Mech, R., Ostermann, R.: Detection of moving cast shadows for object segmentation. IEEE, Trans. Multimed. 1(1), 65–76 (1999)
4. Madsen, C.B, Moeslund, B.T, Pal, A, Balasubramanian, S.: Shadow detection in dynamic scenes using dense stereo information and an outdoor illumination model. In: Computer Vision and Media Technology Lab, Aalborg university Denmark, pp. 110–125 (2009)
5. Ullah, H., Ullah, M., Uzair, M., Rehmn, F.: Comparative study: The evaluation of shadow detection methods. Int. J. Video Image Process. Netw. Secur. 2(10):1–7