1. Generalizing the Hough transform to detect arbitrary shapes;Ballard;Pattern Recognit.,1981
2. A sampling theorem for the complex spectrogram, and Gabor's expansion of a signal in Gaussian elementary signals;Bastian;Opt. Engrg.,1981
3. Shape interpolation using Fourier descriptors with application to animation graphics;Bertrand;Signal Process.,1982
4. J. Bigün, G. H. Granlund, 1987, Optimal orientation detection of linear symmetry, First International Conf. on Computer Vision, London, June, 1987, 433, 438