Generalized and Separable Sobel Operators

[1]  K. H. Hedengren Decomposition of edge operators , 1988, [1988 Proceedings] 9th International Conference on Pattern Recognition.

[2]  Manfred H. Hueckel An Operator Which Locates Edges in Digitized Pictures , 1971, J. ACM.

[3]  John F. Canny,et al.  A Computational Approach to Edge Detection , 1986, IEEE Transactions on Pattern Analysis and Machine Intelligence.

[4]  Lawrence G. Roberts,et al.  Machine Perception of Three-Dimensional Solids , 1963, Outstanding Dissertations in the Computer Sciences.

[5]  D Marr,et al.  Theory of edge detection , 1979, Proceedings of the Royal Society of London. Series B. Biological Sciences.

[6]  Olle Seger,et al.  Rotation Invariance in Gradient and Higher Order Derivative Detectors , 1990, Computer Vision Graphics and Image Processing.