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                      "value": "Normalized central image moments, where M must be >= 4."
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              "value": "Note that this set of moments is proved to be translation, scale and rotation invariant."
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        "value": "mu = moments_central(image)\nnu = moments_normalized(mu)\nnp.round(moments_hu(nu), 4)  # doctest: +FLOAT_CMP\n",
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  "references": [
    ".. [1] M. K. Hu, \"Visual Pattern Recognition by Moment Invariants\",",
    "       IRE Trans. Info. Theory, vol. IT-8, pp. 179-187, 1962",
    ".. [2] Wilhelm Burger, Mark Burge. Principles of Digital Image Processing:",
    "       Core Algorithms. Springer-Verlag, London, 2009.",
    ".. [3] B. Jähne. Digital Image Processing. Springer-Verlag,",
    "       Berlin-Heidelberg, 6. edition, 2005.",
    ".. [4] T. H. Reiss. Recognizing Planar Objects Using Invariant Image",
    "       Features, from Lecture notes in computer science, p. 676. Springer,",
    "       Berlin, 1993.",
    ".. [5] https://en.wikipedia.org/wiki/Image_moment"
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