Consistent Gradient Operators

  title={Consistent Gradient Operators},
  author={Shigeru Ando},
  journal={IEEE Trans. Pattern Anal. Mach. Intell.},
ÐFine, accurate gradient information is required in many image-processing algorithms and systems including differential geometric methods, orientation analysis, and integrated vision sensors. In this paper, we propose optimal gradient operators based on a newly derived consistency criterion. This criterion is based on an orthogonal decomposition of the difference between a continuous gradient and discrete gradients into the intrinsic smoothing effect and the self-inconsistency involved in the… CONTINUE READING
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