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fixed formula in matchShapes, method=CV_CONTOUR_MATCH_I3 (ticket #1801)

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Vadim Pisarevsky 2012-04-24 14:56:56 +00:00
parent bf8c4a27be
commit 47ee844df6
1 changed files with 4 additions and 4 deletions
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8
modules/imgproc/doc/structural_analysis_and_shape_descriptors.rst
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@ -641,23 +641,23 @@ The function compares two shapes. All three implemented methods use the Hu invar
:ocv:func:`HuMoments` ) as follows ( :ocv:func:`HuMoments` ) as follows (
:math:`A` denotes ``object1``,:math:`B` denotes ``object2`` ): :math:`A` denotes ``object1``,:math:`B` denotes ``object2`` ):
* method=CV\_CONTOURS\_MATCH\_I1 * method=CV_CONTOURS_MATCH_I1
.. math:: .. math::
I_1(A,B) = \sum _{i=1...7} \left | \frac{1}{m^A_i} - \frac{1}{m^B_i} \right | I_1(A,B) = \sum _{i=1...7} \left | \frac{1}{m^A_i} - \frac{1}{m^B_i} \right |
* method=CV\_CONTOURS\_MATCH\_I2 * method=CV_CONTOURS_MATCH_I2
.. math:: .. math::
I_2(A,B) = \sum _{i=1...7} \left | m^A_i - m^B_i \right | I_2(A,B) = \sum _{i=1...7} \left | m^A_i - m^B_i \right |
* method=CV\_CONTOURS\_MATCH\_I3 * method=CV_CONTOURS_MATCH_I3
.. math:: .. math::
I_3(A,B) = \sum _{i=1...7} \frac{ \left| m^A_i - m^B_i \right| }{ \left| m^A_i \right| } I_3(A,B) = \max _{i=1...7} \frac{ \left| m^A_i - m^B_i \right| }{ \left| m^A_i \right| }
where where