1. Ma, J., Plonka, G.: The curvelet transform. IEEE Sig. Process. Mag. 27, 118–133 (2010)
2. Kumar, H., Kaur, P.: A comparative study of iterative thinning algorithms for BMP images. Int. J. Comput. Sci. Inf. Technol. 2, 2375–2379 (2011)
3. Blum, H.: A transformation for extracting new descriptors of shape. In: Symposium on Models for the Perception of Speech and Visual Form. MIT Press, Cambridge (1964)
4. Palvidis, T.: Structural Pattern Recognition. Springer, Heidelberg (1977). https://doi.org/10.1007/978-3-642-88304-0
5. Hilditch, C.J.: Linear skeletons from square cupboards. In: Machine Intelligence, pp. 403–420. University Press, Edinburgh (1969)