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Gradient direction similarity measure

Gradient direction similarity measure

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A new and fast similarity measure for feature point block matching is presented. It is based on the estimation of the gradient direction along which the intensity levels are changing. The algorithm has been evaluated with different types of distortion on real images to demonstrate its robustness.

References

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      • E. Vincent , R. Laganiere . Matching feature points in stereo pairs: a comparative study of some matching strategies. Int. J. Mach. Graph. Vis. , 3 , 237 - 259
    2. 2)
      • A.M. Tekalp . (1995) Digital video processing.
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      • S. Ullman . (1996) High-level vision: object recognition and visual cognition.
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