Adaptive smoothing: a general tool for early vision

@article{SaintMarc1989AdaptiveSA,
  title={Adaptive smoothing: a general tool for early vision},
  author={Philippe Saint-Marc and Jer-Sen Chen and G{\'e}rard G. Medioni},
  journal={IEEE Trans. Pattern Anal. Mach. Intell.},
  year={1989},
  volume={13},
  pages={514-529}
}
We present a method to smooth a signal-whether it is an intensity image, a range image or a planar curve-while preserving discontinuities. This is achieved by repeatedly convolving the signal with a very small averaging mask weighted by a measure of the signal continuity at each point. The method is extremely attractive since edge detection can be performed after a few iterations, and features extracted from the smoothed signal are correctly localized. Hence no tracking is needed, as in… CONTINUE READING
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